A Supervised Building Detection Based on Shadow using Segmentation and Texture in High-Resolution Images
Volume 7, Issue 3, Page No 166–173, 2022
Adv. Sci. Technol. Eng. Syst. J. 7(3), 166–173 (2022);
DOI: 10.25046/aj070319
Keywords: Building detection, Superpixel, Texture, Colors features, Machine Learning, Shadows, Regional growth
Building detection in aerial or satellite imagery is one of the most challenging tasks due to the variety of shapes, sizes, colors, and textures of man-made objects. To this end, in this paper, we propose a novel approach to extracting buildings in high-resolution images based on prior knowledge of the shadow position. Firstly, the image is split into superpixel patches; the colors and texture features are extracted for those patches. Then using the machine learning method (SVM), four classes are made: buildings, roads, trees, and shadows. According to the prior knowledge of shadows position, a seed point initial has been defined along with an adaptive regional growth method to determine the approximate building location. Finally, applying a contouring process included an open morphological operation to extract the final shape of buildings. The performance is tested on aerial images from New Zealand area. The proposed approach demonstrated higher detection rate precision than other related works, exceeding 97% despite the complexity of scenes.
1. Introduction
Detecting and Identifying building locations is vital for varieties of applications such as mapping, military situations (active engagement of forces, counter-terrorism and peacekeeping measures), natural disaster management (flooding, earthquakes, and landslides), environmental preparation, and urban planning [1–6]. It is feasible to distinguish buildings from the images; however, this can be a time-consuming or difficult operation. Therefore, Automatic building extraction from aerial or satellite images is a highly needed and challenging problem due to its complexity. Moreover, with the advanced technology of capturing very high spatial resolution imagery and the increasing need for map revision without the high cost and time-consuming as a consequence of the rapidly growing urbanization. Automatic building detection becomes possible as the ground resolution size of the pixels is much smaller than the average size of objects in those images. During the past decade, many studies have been carried out on building extraction [7–9]. However, it is still difficult to detect buildings in urban areas because of their variety of shapes, sizes, colors, textures, and the similarity between building and non-building objects.
In the field of building detection, most methods have been based on artificial features; like in work [10], due to low-quality RGB geophotos and to reduce the problem of characteristics extracted from those images, they used the Haar feature method to be able to apply machine learning techniques on it. As for work [11], it integrates a set of algorithms inspired by the human visual system with a combination of classical and modern approaches for extracting image descriptors. Then, the feature descriptors are processed with machine learning to identify buildings.
Moreover, Deep learning-based approaches have been proposed recently. Including, In [12] focused on three different ways to use convolutional neural networks for remote sensing imagery. The authors suggested [13]a set of convolutional neural networks for township building identification that can be applied to a pixel-level classification framework. In [14] proposed a general framework for convolutional neural network-based classification. In [15], a building extraction framework is proposed based on a convolutional neural network (CNN), edge detection algorithm, and building structure. The masked R-CNN Fusion Sobe framework was used to extract the building from high-resolution remote sensing images. But the results showed that it works poorly to extract edges and preserve the building instances’ integrity.
However, These studies are not without their limitations, especially since CNN cannot successfully learn the features of the hierarchical contextual image due to the lack of data sets, and increasing the number of layers in the deep model leads to more significant training mistakes. CNNs’ prediction abilities with less computation come at the cost of reduced output accuracy.
This paper focuses on building detection from 2D aerial (or satellite) imagery. Therefore a novel approach addresses two main issues: (a) the problem with the particular colors for some buildings with a similar color to other objects in urban images, and (b) the difference in color shades on building’s rooftops. The paper is organized in the following way: The related work section categorizes and presents works that tackle the issue of building detection. Section 3, details the steps that have been applied to classify the image into four classes. Then in section 4, we describe how to accurate buildings positions. And section 5, shows the results provided by our experiments and a comparison with some other works. Finally, conclusions and perspectives for future work are in section 6.
2. Related Work
As we said before, building detection is one of the most difficult challenges to solve since they have so many different properties. Numerous building detection techniques have been presented throughout the years, having their efficacy measured in various ways. In this section, we review works that attempt to solve those challenges. Most of those researches can be classified according to whether they are supervised or automatic, extract geometric features, or are area-based [16]. Another classification is based on the use of the height data, the simple 2D imagery, or a hybrid [17].
In [8], the authors proposed an automatic approach using level set segmentation constrained by priors known shape models of buildings. In [18], the authors presented a supervised model using the active contour method combined with local texture and edge information by initial seed points on one of the buildings. The authors [16] have developed an automatic tertiary classifier to identify vegetation, buildings, and non-buildings objects using Nadir Aerial Image with one condition that the building has a convex rooftop. They reduce the colors from 255 for each RGB channel to 17. Then, using segmentation and thresholding on the green color channel to identify the vegetation regions and on the difference between the blue and green color channels to identify shadows. Finally, buildings and non-building are detected by measuring the solidity of their regions using the entropy filtering and watershed segmentation. In [19], the authors present an automatic technique using LIDAR data and multispectral imagery. Buildings and trees are separated from other low objects using thresholding for height. After that, they eliminate the trees with the normalized difference vegetation index method from an orthorectified multispectral image. The authors proposed [20] an automatic approach using a digital surface model and multispectral orthophoto. Initially, they created a building mask from the normalized digital surface model that included only areas where the possible locations for buildings. Then, the vegetation was separated from the building mask using a modified vegetation index based on the use of the near-infrared orthophoto and the correction of the vegetation index using the shadow index and the texture analysis. Finally, using Radon transform, they extract the building position. In [21], the authors implement an object-based classification for urban areas using spot height vector data. After the segmentation of the image, they had classifier the obtained result into five class vegetation, shadows, parking lots, roads, and buildings based on the analysis of the combined spectral, textural, morphological, contextual, and class-related features to assign a class membership degree to each segment (object) based on membership functions or the thresholds. In [22], the authors implemented an automatic method based on the similarity between building roofs using a previously defined reference set to generate a grayscale image with an enhanced potential for building location. Then, they assign pixels to possible buildings or nonbuilding locations using the hit-or-miss transform morphology. Finally, after defining the shadow areas, they verified the final location of the buildings. In [23], the authors developed a supervised approach based on shadow position using segmentation and classification of color features. First, they split the image into superpixel patches with the segmentation algorithm. After that, using Linear discriminate analysis (LDA) color features and support vector machines (SVM) with a previous set of chosen patches for three classes: buildings, non-buildings, and shadow. Finally, from the prior knowledge of the shadows’ position, they define a seed point location, and with the regional growth method, they determine the positions of the buildings. In [24], the authors proposed an automatic approach based on the rectangle form of the buildings. They enhance the edge contrast using a developed bilateral filter. Then, they apply a line segment detector to extract lines. Finally, a perceptual grouping approach groups previously detected lines into candidate rectangular buildings. In 2016 [25], the authors provided an ontology-based system for slum identification based on the built environment’s morphology. In this technique, a segmentation is followed by hierarchical classification utilizing object-oriented image analysis. For each object, spectral values, form, texture, size, and contextual connections are all computed based on the purpose of the classification. In [26] adopt a new object-based filter consisting at first of splitting the image into homogeneous objects using multi-scale segmentation and at the same time extracting their features vector. Considering that each splitter object is in the center of his surrounding adjacent objects and a part of a fully real existing object in the image. Then, there are two possibilities of his location, either in the interior or in the real object. Hence, it has similar features to its surrounding adjacent objects or in the boundary with no similarity between them. Therefore, topology and feature constraints are proposed to select the considered adjacent objects. Finally, the feature of the central object is smoothed by calculating the average of the selected object’s feature. In [27], detecting buildings by determining them using a one-class SVM, They proceed with the texture segmentation technique using a conditional threshold value to extract buildings of different colors and shapes. Buildings are identified from the rest of the roads and vegetation regarding the angle of shadows. In [28], the Building Detection with Shadow Verification (BDSV) approach was introduced, integrating multiple features such as color, shape, and shadow to detect buildings. Because some roofs can be extracted with color features only, such as for buildings with sloped roof tiles, while Non-tile flat roofs depend on the shape features. The shadow properties were also incorporated, (Candidate buildings with close shadows will be considered as actual buildings).
Nonetheless, many challenges remain to be overcome in building extraction. To begin with, some of the buildings have a particular color (green, red…), so the approaches based on color classification can’t separate buildings from trees or lawns [16,17,19,20,23]. Rather than assume that buildings have a standard form like rectangles or use a predefined shape database to bring the results closer to a particular format [8,24], we can’t cover all those possibilities of their forms. Furthermore, others use texture to solve the color problem. Yet, they only use it to calculate the entropy or the homogeneity of a single-pixel combined with the high data of objects or to detect the whole area of buildings without separating one from another [21,25]. Therefore, those methods can’t give us the results we request without the high data or in a complex scene. That being the case, can we benefit from segmentation to a superpixel size unity by applying the texture methods on the entire superpixel, assuming that they are small-sized objects rather than on a single pixel?.

Figure 1. Diagram flow of the proposed algorithm.
3. Classification of image data
Most urban images have six kinds of land covers: trees, grass, shadows, roads, parking lots, and buildings. Trees and grass are usually green, but this depends on the type and the season the image was taken (they may be in red or yellow). Roads and parking lots have, in general, a gray color; unlike the shadows, areas are darker or completely black. And finally, buildings have different color rooftops based on the image’s location (the diversity of culture, climatic nature…). In Figure 2, various structures, building patterns, lighting conditions, landscape characteristics, and complex buildings are located within the study area. Visual inspection can quickly discover complicated patterns in buildings, but machine learning cannot.
Consequently, buildings may have a color similar to trees or roads and parking lots. Therefore, we relied on two things to solve this problem: (a) the shadow factor to separate buildings from roads and parking lots, and (b) for trees, the texture features can do the trick. As a result, according to color and texture, four classes pop up: the first one contains buildings, the second is trees and grass, the third are roads and parking lots, and finally shadows. So, to obtain those classes, three steps have been taken into account, We’ll walk through them in detail:

Figure 2: Aerial images of buildings in the study area New Zealand from various perspectives
3.1. Superpixel Segmentation Using SLIC
Superpixel segmentation divides an image into a group of connected pixels with similar colors. Instead of working with pixels in a big-sized image, we can reduce it into superpixel patches without losing too much information. The Simple Linear Iterative Clustering (SLIC) algorithm for superpixel segmentation proposed in [29] is a k-means-based local clustering of pixels in the 5-D space [l, a, b, x, y], where (l; a; b) is the CIELAB color space and (x; y) is pixel coordinates. SLIC adapts the k-means clustering approach to efficiently generate superpixels introducing a new distance measure Ds as described in Eq. [1].

where k and i are respectively the indices of the superpixels center and their surrounding pixels, m is a variable that allows controlling the compactness of superpixels, and S is the grid interval between them.
In consideration of the foregoing, this step aims to have homogenous superpixels as much as possible with a sufficient size that allows us to extract texture features disregarding the shape of each one of the superpixels. Therefore, a high value of m makes the spatial distances outweigh the color factors giving more compacted set-sized superpixels that lead to disrespecting the boundaries of the objects in the image. The other way around for a lower value, this will produce small sizes superpixels. So, To get effective results, we chose a low-value number. Then, merge each superpixel with a smaller size than a given thresholding number of pixels to the nearest similar neighbor. It will turn them into one larger superpixel without losing the adherence to object boundaries.
3.2. Texture Features Extraction Using (ICICM)
Color co-occurrence matrix (CCM) is one of the most efficient yet straightforward texture descriptors. It consists of extracting statistical measurements about the co-existence of different colors from the image. Integrative Color Intensity Co-occurrence Matrix (ICICM) has been introduced in [30] as an extension of CCM to simulate the human perception of textures. They argued that each pixel might be regarded as color or gray-level depending on its intensity level. Thus, two measures, namely Wcol and Wgray, which determine the extents of color and gray, have been extracted from each pixel within the image. After that, these measures have been used to extract four co-occurrence matrices that represent the co-existence of Wcol / Wcol, Wcol = Wgray, Wgray=Wcol, and Wgray = Wgray. Finally, a set of third-order statistical moments have been drawn and used as image descriptors. An improvement of ICICM has been proposed in [31], in which a smooth approach of color/gray-level space quantization has been adopted. Ultimately, ICICM has been used to extract texture features for each final form superpixel.
3.3. Identifying Classes Using SVM
A Support Vector Machine (SVM) is a supervised discriminative classifier formally defined by a separating hyperplane. Given a set of training examples with which class they belong, the SVM training algorithms create a model that can assign the new data to one of those classes. Therefore, the SVM classifier can be trained with the combination vectors between the LAB color features and the texture features of the training superpixel samples to obtain our final class results. The samples are taken from each of the four classes, a simple linear kernel type of SVM was applied, and the results are shown in figure 3(d).
4. Accurate Building Position
From the previous results in figure 3(d), we can see that buildings and trees are entirely separated, unlike some similarities with the roads and the parking lots. As we mentioned before, the prior knowledge of the direction of the shadows lets us distinguish between elevated objects and the ones at ground level. Still, the problem is how to detect the exact shape of the buildings.
Usually, the rooftop of the building has the same color; therefore, a seed point location with the regional growth method may do the trick. However, in many areas around the world and depending on the designs of the buildings, it can cause to show darker sides than the others on the rooftop of the buildings, so we adept our new implementation of the regional growth to resolve this problem.
4.1. Seed Point Location and Regional Growth
At first, an initial superpixels seed points location is defined based on three conditions:
- the superpixels in the shadows class and have a neighbor from the trees class are eliminated;
- the superpixels that have been considered as seed points must be in buildings class that is a neighbor to the one in shadows class after the elimination according to their respective direction (in this case, the up and right sides);
- The superpixels with more neighbors from road class than building class are eliminated.
Next, to make sure that the seed points are located all over the region of the building and resolve the darker side problem, we applied the regional growth method using the [a, b, ep, h, c, en] vector with the earlier initial superpixels seed points where a and b are the green–red and blue-yellow color components from the Lab color space; ep, h, c, and en are respectively the entropy, homogeneity, correlation, and energy from the texture features. Assuming that is the vector of the initial superpixel seed points and is for the other neighbors’ superpixel , so the following logical conditions have been applied, and the results will be our final superpixels seed points

In the end, we used another regional growth to get the whole shape of buildings, and this time used the lightness value (L) from the Lab color space for all the pixels of the image starting as an initial with the centers of each superpixel from the final superpixels seed points result take into consideration one condition:

4.2. Accurate The Final Shape of The Buildings
We can see from the last step that neither the boundaries nor the inside of the building are precisely shaped and filled in figure 3(f); there are still some noises and gaps in it. Therefore, some complementary steps are in need. Firstly, an open morphological operation has been applied to remove the noise and fill the gaps. Then, the buildings’ boundaries were extracted using a simple contour method. The final results are shown in figure 3.
5. Experimental Results
This section includes three subsections: first, the suitable selection of algorithm parameters has been defined. The second subsection presents the classification results with and without texture. And finally, we analyze the results and compare them with other methods. The entire experiment was applied to a dataset from Land Information New Zealand urban aerial image for Auckland with a size of 6400×9600 for each image and 7.5cm ground resolution. The experiment is implemented in Intel 3.2 GHz CPU with 16G memory

Figure 3. Experimental result of different stages of the algorithm. (a) The original image; (b) Superpixels ; (c) Aggregation Superpixels, (d) classification results, (e) Seed Point Location, (f) after growth (e) Final Shape of The Buildings and (h) The building extraction.
5.1. Parameters Selection
Three values must be determined ( , , ) where n is the initialized number of the superpixels in the SLIC algorithm, and are the thresholding of the regional growth in Eqs (4) and (6), respectively. To initial a suitable number n of the superpixels is a two-sided problem. A smaller n leads to fewer calculations and a shorter time in execution. On the other hand, the bigger it is, the better homogeneity we get. That being said, what it depends on is the size and resolution of the image that has been studied. In our test, we use different values of n on a cut from Land Information New Zealand urban aerial image for Auckland with the size of 1286×1249 and 7.5cm ground resolution, and the results reveal that the best value of n is 2500. Therefore, we can define an equation for any image with the exact ground resolution based on that result.

In the same way, for the two thresholding, and . We can define their values using a sample test and apply the exact values to the rest of the other images.
5.2. Classification Results
For acceptable outcome classification results, we have to keep an eye on two things. First, as we said before, a proper choice of the initial number of superpixels prevents overlapping groups due to the leak of homogeneity. Second is the selection of training sets for the SVM methods. The more we cover all the possibilities, the better results we get. Under those considerations, figure 4 illustrates the comparison results of the classification with and without adding the texture features. The improvement is much more noticeable when buildings have similar colors to the other classes.

Figure 4. the comparison results of the classification, (a) the classification with the texture features, (b) without adding the texture features, Where the blue represents the buildings, the green the grass and the trees, and the red the road and the sidewalk
5.3. Building Detection Comparison
In this section, the images selected represent diverse building characteristics such as size, the shape of buildings, and different color combinations of their roofs. Our proposed method has been compared to algorithms presented by method [23], a method [26], and method [15] to give a qualitative comparison with our algorithm. As shown in Figure 5, the images on the first row indicate the original input images where we chose three different images, and the second row illustrates the final building extraction results.
Firstly, the following quantities were defined: TP (true positive), the number of correctly detected buildings, FP (false positive), the number of incorrectly detected buildings, and FN (false negative), the number of undetected buildings. To quantify the accuracy of the building extraction results, we used the detection rate (DR or precision) to measure the degree to which detected buildings indeed are actual buildings. Furthermore, the false-negative rate (FNR) measures the degree of missed detections to the total actual buildings. Meanwhile, the completeness of detection (COMP) is the number of correctly detected buildings without decreasing or increasing their boundaries.

Figure 5: Comparison of building detection results obtained by three different algorithms where (row a) Test images, (row b) The results of the proposed method, (row c) The results of the method [15], (row d) The results of the method [23] and (row e) The results of the method [26]. (Red represents building results).
Table 1: Comparison of the building extraction accuracy of the four algorithms (quantitative analysis of Figure 5).
| Our method | method [23] | method [26] | method [15] | |
| TP | 3719 | 3799 | 3806 | 3802 |
| FP | 110 | 749 | 1083 | 324 |
| FN | 83 | 56 | 23 | 27 |
| DR (%) | 97.13 | 83.53 | 77.85 | 92.14 |
| FNR (%) | 2.18 | 1.45 | 0.6 | 0.7 |
| COMP | 3570 | 2966 | 2323 | 3445 |
| COMP (%) | 95.99 | 78.07 | 61.03 | 90.61 |

Table 1. shows the comparison results of our approach with existing methods; 50 different sizes of images (3883 buildings) have been taken for testing. Our method has a greater missed detection rate than previous strategies (2.18%). However, it has a more efficient detection rate and completeness (97.13%, 95.99%). That is since those algorithms detected elements other than buildings, such as crossroads, lawns, and parking lots, as a building explaining the high detection rate. Furthermore, because of the background interference and other visual objects, 164 buildings were missed by the proposed method from the total number of buildings. Moreover, the small buildings that were tight distributed may have been excised and integrated as a single building. It might also be that small buildings are harder to detect.
5.4. Computation Time
Finally, another important consideration for this method is computing time. The proposed methods were implemented in a MATLAB environment; Table 2 contains further information about computation times. Our suggested approach was applied to 50 test images (3,883 buildings); each line in the table represents the elapsed time for every section. The total time is 2146.18 seconds, and the average time is approximately 42.92 seconds.
Furthermore, segmentation takes only 0.34 seconds on average, which is the quickest of all steps. Conversely, the SVM classification takes substantial time, accounting for 92.1 percent of the overall time. Nevertheless, the average time needed to process an image is 42 seconds, much shorter than the approaches presented in [23] and [26].
Through figure 6, We can see that the segmentation images evaluation took 0.06 seconds longer than the feature extraction time of 0.03 seconds in figure 6a and that the time for zoning is less than feature extraction in figure 6b. This is because the regions in the 50 images that were processed had completely different dimensions (2537*3665, 2961*1761, 3465*5601,…etc.) than the area in the tested image (figure. 6B), which has Dimensions (1286*1249).
6. Conclusion
Almost every building detection method has some limitations due to the restrictions that have been applied. This paper presents a pipeline for building detection in 2D urban images by considering two main problems: the color similarity in urban objects and the difference of color shades in building rooftops. The proposed algorithm combines color and texture features to classify the urban image into four classes to solve the first issue. And the reason this is achievable is due to the advantages of using superpixels instead of single normal pixels.
Table 2: The amount of time each section of the proposed building detection
| Section | Total Time (s) | Average time (s) | Percentage (%) |
| Image segmentation | 17.02 | 0.3404 | 0.8% |
| Feature extraction | 65.83 | 1.3166 | 3.1% |
| Object classification (shadow detection ) | 1975.58 | 39.5116 | 92.1% |
| The final shape of the building | 87.75 | 1.755 | 4.1% |
| Total | 2146.18 | 42.92.36 | 100% |

Figure 6. Building detection computational time in sec. Where (a) Total Time of building detection in 50 images and (b) Total Time of building detection in one image.
As for the second one, we use an adaptive regional growth method using only the a and b vectors from the Lab color space with the texture features. After conducting careful analysis, the experimental results revealed a remarkable improvement. Compared to the existing algorithm, the range detection procedure was quick and accurate, and the computing time required to detect the region was also reduced. The automatic detection method used in this work is a reliable methodology that may be used during a catastrophe event. However, some failures are detected in particular cases, like building with different rooftop color parts at once. Therefore, we will target more particular situations to improve detection accuracy in future work.
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- Ng Kah Kit, Hafeez Ullah Amin, Kher Hui Ng, Jessica Price, Ahmad Rauf Subhani, "EEG Feature Extraction based on Fast Fourier Transform and Wavelet Analysis for Classification of Mental Stress Levels using Machine Learning", Advances in Science, Technology and Engineering Systems Journal, vol. 8, no. 6, pp. 46–56, 2023. doi: 10.25046/aj080606
- Kitipoth Wasayangkool, Kanabadee Srisomboon, Chatree Mahatthanajatuphat, Wilaiporn Lee, "Accuracy Improvement-Based Wireless Sensor Estimation Technique with Machine Learning Algorithms for Volume Estimation on the Sealed Box", Advances in Science, Technology and Engineering Systems Journal, vol. 8, no. 3, pp. 108–117, 2023. doi: 10.25046/aj080313
- Chaiyaporn Khemapatapan, Thammanoon Thepsena, "Forecasting the Weather behind Pa Sak Jolasid Dam using Quantum Machine Learning", Advances in Science, Technology and Engineering Systems Journal, vol. 8, no. 3, pp. 54–62, 2023. doi: 10.25046/aj080307
- Der-Jiun Pang, "Hybrid Machine Learning Model Performance in IT Project Cost and Duration Prediction", Advances in Science, Technology and Engineering Systems Journal, vol. 8, no. 2, pp. 108–115, 2023. doi: 10.25046/aj080212
- Paulo Gustavo Quinan, Issa Traoré, Isaac Woungang, Ujwal Reddy Gondhi, Chenyang Nie, "Hybrid Intrusion Detection Using the AEN Graph Model", Advances in Science, Technology and Engineering Systems Journal, vol. 8, no. 2, pp. 44–63, 2023. doi: 10.25046/aj080206
- Ossama Embarak, "Multi-Layered Machine Learning Model For Mining Learners Academic Performance", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 1, pp. 850–861, 2021. doi: 10.25046/aj060194
- Roy D Gregori Ayon, Md. Sanaullah Rabbi, Umme Habiba, Maoyejatun Hasana, "Bangla Speech Emotion Detection using Machine Learning Ensemble Methods", Advances in Science, Technology and Engineering Systems Journal, vol. 7, no. 6, pp. 70–76, 2022. doi: 10.25046/aj070608
- Deeptaanshu Kumar, Ajmal Thanikkal, Prithvi Krishnamurthy, Xinlei Chen, Pei Zhang, "Analysis of Different Supervised Machine Learning Methods for Accelerometer-Based Alcohol Consumption Detection from Physical Activity", Advances in Science, Technology and Engineering Systems Journal, vol. 7, no. 4, pp. 147–154, 2022. doi: 10.25046/aj070419
- Zhumakhan Nazir, Temirlan Zarymkanov, Jurn-Guy Park, "A Machine Learning Model Selection Considering Tradeoffs between Accuracy and Interpretability", Advances in Science, Technology and Engineering Systems Journal, vol. 7, no. 4, pp. 72–78, 2022. doi: 10.25046/aj070410
- Osaretin Eboya, Julia Binti Juremi, "iDRP Framework: An Intelligent Malware Exploration Framework for Big Data and Internet of Things (IoT) Ecosystem", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 5, pp. 185–202, 2021. doi: 10.25046/aj060521
- Arwa Alghamdi, Graham Healy, Hoda Abdelhafez, "Machine Learning Algorithms for Real Time Blind Audio Source Separation with Natural Language Detection", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 5, pp. 125–140, 2021. doi: 10.25046/aj060515
- Baida Ouafae, Louzar Oumaima, Ramdi Mariam, Lyhyaoui Abdelouahid, "Survey on Novelty Detection using Machine Learning Techniques", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 5, pp. 73–82, 2021. doi: 10.25046/aj060510
- Radwan Qasrawi, Stephanny VicunaPolo, Diala Abu Al-Halawa, Sameh Hallaq, Ziad Abdeen, "Predicting School Children Academic Performance Using Machine Learning Techniques", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 5, pp. 08–15, 2021. doi: 10.25046/aj060502
- Zhiyuan Chen, Howe Seng Goh, Kai Ling Sin, Kelly Lim, Nicole Ka Hei Chung, Xin Yu Liew, "Automated Agriculture Commodity Price Prediction System with Machine Learning Techniques", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 4, pp. 376–384, 2021. doi: 10.25046/aj060442
- Hathairat Ketmaneechairat, Maleerat Maliyaem, Chalermpong Intarat, "Kamphaeng Saen Beef Cattle Identification Approach using Muzzle Print Image", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 4, pp. 110–122, 2021. doi: 10.25046/aj060413
- Md Mahmudul Hasan, Nafiul Hasan, Dil Afroz, Ferdaus Anam Jibon, Md. Arman Hossen, Md. Shahrier Parvage, Jakaria Sulaiman Aongkon, "Electroencephalogram Based Medical Biometrics using Machine Learning: Assessment of Different Color Stimuli", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 3, pp. 27–34, 2021. doi: 10.25046/aj060304
- Dominik Štursa, Daniel Honc, Petr Doležel, "Efficient 2D Detection and Positioning of Complex Objects for Robotic Manipulation Using Fully Convolutional Neural Network", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 2, pp. 915–920, 2021. doi: 10.25046/aj0602104
- Md Mahmudul Hasan, Nafiul Hasan, Mohammed Saud A Alsubaie, "Development of an EEG Controlled Wheelchair Using Color Stimuli: A Machine Learning Based Approach", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 2, pp. 754–762, 2021. doi: 10.25046/aj060287
- Antoni Wibowo, Inten Yasmina, Antoni Wibowo, "Food Price Prediction Using Time Series Linear Ridge Regression with The Best Damping Factor", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 2, pp. 694–698, 2021. doi: 10.25046/aj060280
- Javier E. Sánchez-Galán, Fatima Rangel Barranco, Jorge Serrano Reyes, Evelyn I. Quirós-McIntire, José Ulises Jiménez, José R. Fábrega, "Using Supervised Classification Methods for the Analysis of Multi-spectral Signatures of Rice Varieties in Panama", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 2, pp. 552–558, 2021. doi: 10.25046/aj060262
- Phillip Blunt, Bertram Haskins, "A Model for the Application of Automatic Speech Recognition for Generating Lesson Summaries", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 2, pp. 526–540, 2021. doi: 10.25046/aj060260
- Sebastianus Bara Primananda, Sani Muhamad Isa, "Forecasting Gold Price in Rupiah using Multivariate Analysis with LSTM and GRU Neural Networks", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 2, pp. 245–253, 2021. doi: 10.25046/aj060227
- Rajani Narayan, Anjanappa Sreenivasa Murthy, "Texture Based Image Retrieval Using Semivariogram and Various Distance Measures", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 1, pp. 1369–1377, 2021. doi: 10.25046/aj0601156
- Byeongwoo Kim, Jongkyu Lee, "Fault Diagnosis and Noise Robustness Comparison of Rotating Machinery using CWT and CNN", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 1, pp. 1279–1285, 2021. doi: 10.25046/aj0601146
- Md Mahmudul Hasan, Nafiul Hasan, Mohammed Saud A Alsubaie, Md Mostafizur Rahman Komol, "Diagnosis of Tobacco Addiction using Medical Signal: An EEG-based Time-Frequency Domain Analysis Using Machine Learning", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 1, pp. 842–849, 2021. doi: 10.25046/aj060193
- Reem Bayari, Ameur Bensefia, "Text Mining Techniques for Cyberbullying Detection: State of the Art", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 1, pp. 783–790, 2021. doi: 10.25046/aj060187
- Inna Valieva, Iurii Voitenko, Mats Björkman, Johan Åkerberg, Mikael Ekström, "Multiple Machine Learning Algorithms Comparison for Modulation Type Classification Based on Instantaneous Values of the Time Domain Signal and Time Series Statistics Derived from Wavelet Transform", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 1, pp. 658–671, 2021. doi: 10.25046/aj060172
- Carlos López-Bermeo, Mauricio González-Palacio, Lina Sepúlveda-Cano, Rubén Montoya-Ramírez, César Hidalgo-Montoya, "Comparison of Machine Learning Parametric and Non-Parametric Techniques for Determining Soil Moisture: Case Study at Las Palmas Andean Basin", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 1, pp. 636–650, 2021. doi: 10.25046/aj060170
- Ndiatenda Ndou, Ritesh Ajoodha, Ashwini Jadhav, "A Case Study to Enhance Student Support Initiatives Through Forecasting Student Success in Higher-Education", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 1, pp. 230–241, 2021. doi: 10.25046/aj060126
- Lonia Masangu, Ashwini Jadhav, Ritesh Ajoodha, "Predicting Student Academic Performance Using Data Mining Techniques", Advances in Science, Technology and Engineering Systems Journal, vol. 6, no. 1, pp. 153–163, 2021. doi: 10.25046/aj060117
- Sara Ftaimi, Tomader Mazri, "Handling Priority Data in Smart Transportation System by using Support Vector Machine Algorithm", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 6, pp. 1422–1427, 2020. doi: 10.25046/aj0506172
- Othmane Rahmaoui, Kamal Souali, Mohammed Ouzzif, "Towards a Documents Processing Tool using Traceability Information Retrieval and Content Recognition Through Machine Learning in a Big Data Context", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 6, pp. 1267–1277, 2020. doi: 10.25046/aj0506151
- Puttakul Sakul-Ung, Amornvit Vatcharaphrueksadee, Pitiporn Ruchanawet, Kanin Kearpimy, Hathairat Ketmaneechairat, Maleerat Maliyaem, "Overmind: A Collaborative Decentralized Machine Learning Framework", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 6, pp. 280–289, 2020. doi: 10.25046/aj050634
- Pamela Zontone, Antonio Affanni, Riccardo Bernardini, Leonida Del Linz, Alessandro Piras, Roberto Rinaldo, "Supervised Learning Techniques for Stress Detection in Car Drivers", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 6, pp. 22–29, 2020. doi: 10.25046/aj050603
- Kodai Kitagawa, Koji Matsumoto, Kensuke Iwanaga, Siti Anom Ahmad, Takayuki Nagasaki, Sota Nakano, Mitsumasa Hida, Shogo Okamatsu, Chikamune Wada, "Posture Recognition Method for Caregivers during Postural Change of a Patient on a Bed using Wearable Sensors", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 5, pp. 1093–1098, 2020. doi: 10.25046/aj0505133
- Khalid A. AlAfandy, Hicham Omara, Mohamed Lazaar, Mohammed Al Achhab, "Using Classic Networks for Classifying Remote Sensing Images: Comparative Study", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 5, pp. 770–780, 2020. doi: 10.25046/aj050594
- Khalid A. AlAfandy, Hicham, Mohamed Lazaar, Mohammed Al Achhab, "Investment of Classic Deep CNNs and SVM for Classifying Remote Sensing Images", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 5, pp. 652–659, 2020. doi: 10.25046/aj050580
- Rajesh Kumar, Geetha S, "Malware Classification Using XGboost-Gradient Boosted Decision Tree", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 5, pp. 536–549, 2020. doi: 10.25046/aj050566
- Nghia Duong-Trung, Nga Quynh Thi Tang, Xuan Son Ha, "Interpretation of Machine Learning Models for Medical Diagnosis", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 5, pp. 469–477, 2020. doi: 10.25046/aj050558
- Oumaima Terrada, Soufiane Hamida, Bouchaib Cherradi, Abdelhadi Raihani, Omar Bouattane, "Supervised Machine Learning Based Medical Diagnosis Support System for Prediction of Patients with Heart Disease", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 5, pp. 269–277, 2020. doi: 10.25046/aj050533
- Haytham Azmi, "FPGA Acceleration of Tree-based Learning Algorithms", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 5, pp. 237–244, 2020. doi: 10.25046/aj050529
- Hicham Moujahid, Bouchaib Cherradi, Oussama El Gannour, Lhoussain Bahatti, Oumaima Terrada, Soufiane Hamida, "Convolutional Neural Network Based Classification of Patients with Pneumonia using X-ray Lung Images", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 5, pp. 167–175, 2020. doi: 10.25046/aj050522
- Young-Jin Park, Hui-Sup Cho, "A Method for Detecting Human Presence and Movement Using Impulse Radar", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 4, pp. 770–775, 2020. doi: 10.25046/aj050491
- Anouar Bachar, Noureddine El Makhfi, Omar EL Bannay, "Machine Learning for Network Intrusion Detection Based on SVM Binary Classification Model", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 4, pp. 638–644, 2020. doi: 10.25046/aj050476
- Adonis Santos, Patricia Angela Abu, Carlos Oppus, Rosula Reyes, "Real-Time Traffic Sign Detection and Recognition System for Assistive Driving", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 4, pp. 600–611, 2020. doi: 10.25046/aj050471
- Amar Choudhary, Deependra Pandey, Saurabh Bhardwaj, "Overview of Solar Radiation Estimation Techniques with Development of Solar Radiation Model Using Artificial Neural Network", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 4, pp. 589–593, 2020. doi: 10.25046/aj050469
- Maroua Abdellaoui, Dounia Daghouj, Mohammed Fattah, Younes Balboul, Said Mazer, Moulhime El Bekkali, "Artificial Intelligence Approach for Target Classification: A State of the Art", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 4, pp. 445–456, 2020. doi: 10.25046/aj050453
- Shahab Pasha, Jan Lundgren, Christian Ritz, Yuexian Zou, "Distributed Microphone Arrays, Emerging Speech and Audio Signal Processing Platforms: A Review", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 4, pp. 331–343, 2020. doi: 10.25046/aj050439
- Ilias Kalathas, Michail Papoutsidakis, Chistos Drosos, "Optimization of the Procedures for Checking the Functionality of the Greek Railways: Data Mining and Machine Learning Approach to Predict Passenger Train Immobilization", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 4, pp. 287–295, 2020. doi: 10.25046/aj050435
- Yosaphat Catur Widiyono, Sani Muhamad Isa, "Utilization of Data Mining to Predict Non-Performing Loan", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 4, pp. 252–256, 2020. doi: 10.25046/aj050431
- Hai Thanh Nguyen, Nhi Yen Kim Phan, Huong Hoang Luong, Trung Phuoc Le, Nghi Cong Tran, "Efficient Discretization Approaches for Machine Learning Techniques to Improve Disease Classification on Gut Microbiome Composition Data", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 3, pp. 547–556, 2020. doi: 10.25046/aj050368
- Ruba Obiedat, "Risk Management: The Case of Intrusion Detection using Data Mining Techniques", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 3, pp. 529–535, 2020. doi: 10.25046/aj050365
- Krina B. Gabani, Mayuri A. Mehta, Stephanie Noronha, "Racial Categorization Methods: A Survey", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 3, pp. 388–401, 2020. doi: 10.25046/aj050350
- Dennis Luqman, Sani Muhamad Isa, "Machine Learning Model to Identify the Optimum Database Query Execution Platform on GPU Assisted Database", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 3, pp. 214–225, 2020. doi: 10.25046/aj050328
- Gillala Rekha, Shaveta Malik, Amit Kumar Tyagi, Meghna Manoj Nair, "Intrusion Detection in Cyber Security: Role of Machine Learning and Data Mining in Cyber Security", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 3, pp. 72–81, 2020. doi: 10.25046/aj050310
- Ahmed EL Orche, Mohamed Bahaj, "Approach to Combine an Ontology-Based on Payment System with Neural Network for Transaction Fraud Detection", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 2, pp. 551–560, 2020. doi: 10.25046/aj050269
- Bokyoon Na, Geoffrey C Fox, "Object Classifications by Image Super-Resolution Preprocessing for Convolutional Neural Networks", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 2, pp. 476–483, 2020. doi: 10.25046/aj050261
- Johannes Linden, Xutao Wang, Stefan Forsstrom, Tingting Zhang, "Productify News Article Classification Model with Sagemaker", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 2, pp. 13–18, 2020. doi: 10.25046/aj050202
- Michael Wenceslaus Putong, Suharjito, "Classification Model of Contact Center Customers Emails Using Machine Learning", Advances in Science, Technology and Engineering Systems Journal, vol. 5, no. 1, pp. 174–182, 2020. doi: 10.25046/aj050123
- Devulapalli Sudheer, Rajakumar Krishnan, "Multiscale Texture Analysis and Color Coherence Vector Based Feature Descriptor for Multispectral Image Retrieval", Advances in Science, Technology and Engineering Systems Journal, vol. 4, no. 6, pp. 270–279, 2019. doi: 10.25046/aj040634
- Rehan Ullah Khan, Ali Mustafa Qamar, Mohammed Hadwan, "Quranic Reciter Recognition: A Machine Learning Approach", Advances in Science, Technology and Engineering Systems Journal, vol. 4, no. 6, pp. 173–176, 2019. doi: 10.25046/aj040621
- Mehdi Guessous, Lahbib Zenkouar, "An ML-optimized dRRM Solution for IEEE 802.11 Enterprise Wlan Networks", Advances in Science, Technology and Engineering Systems Journal, vol. 4, no. 6, pp. 19–31, 2019. doi: 10.25046/aj040603
- Toshiyasu Kato, Yuki Terawaki, Yasushi Kodama, Teruhiko Unoki, Yasushi Kambayashi, "Estimating Academic results from Trainees’ Activities in Programming Exercises Using Four Types of Machine Learning", Advances in Science, Technology and Engineering Systems Journal, vol. 4, no. 5, pp. 321–326, 2019. doi: 10.25046/aj040541
- Nindhia Hutagaol, Suharjito, "Predictive Modelling of Student Dropout Using Ensemble Classifier Method in Higher Education", Advances in Science, Technology and Engineering Systems Journal, vol. 4, no. 4, pp. 206–211, 2019. doi: 10.25046/aj040425
- Fernando Hernández, Roberto Vega, Freddy Tapia, Derlin Morocho, Walter Fuertes, "Early Detection of Alzheimer’s Using Digital Image Processing Through Iridology, An Alternative Method", Advances in Science, Technology and Engineering Systems Journal, vol. 4, no. 3, pp. 126–137, 2019. doi: 10.25046/aj040317
- Abba Suganda Girsang, Andi Setiadi Manalu, Ko-Wei Huang, "Feature Selection for Musical Genre Classification Using a Genetic Algorithm", Advances in Science, Technology and Engineering Systems Journal, vol. 4, no. 2, pp. 162–169, 2019. doi: 10.25046/aj040221
- Konstantin Mironov, Ruslan Gayanov, Dmiriy Kurennov, "Observing and Forecasting the Trajectory of the Thrown Body with use of Genetic Programming", Advances in Science, Technology and Engineering Systems Journal, vol. 4, no. 1, pp. 248–257, 2019. doi: 10.25046/aj040124
- Bok Gyu Han, Hyeon Seok Yang, Ho Gyeong Lee, Young Shik Moon, "Low Contrast Image Enhancement Using Convolutional Neural Network with Simple Reflection Model", Advances in Science, Technology and Engineering Systems Journal, vol. 4, no. 1, pp. 159–164, 2019. doi: 10.25046/aj040115
- Zheng Xie, Chaitanya Gadepalli, Farideh Jalalinajafabadi, Barry M.G. Cheetham, Jarrod J. Homer, "Machine Learning Applied to GRBAS Voice Quality Assessment", Advances in Science, Technology and Engineering Systems Journal, vol. 3, no. 6, pp. 329–338, 2018. doi: 10.25046/aj030641
- Richard Osei Agjei, Emmanuel Awuni Kolog, Daniel Dei, Juliet Yayra Tengey, "Emotional Impact of Suicide on Active Witnesses: Predicting with Machine Learning", Advances in Science, Technology and Engineering Systems Journal, vol. 3, no. 5, pp. 501–509, 2018. doi: 10.25046/aj030557
- Sudipta Saha, Aninda Saha, Zubayr Khalid, Pritam Paul, Shuvam Biswas, "A Machine Learning Framework Using Distinctive Feature Extraction for Hand Gesture Recognition", Advances in Science, Technology and Engineering Systems Journal, vol. 3, no. 5, pp. 72–81, 2018. doi: 10.25046/aj030510
- Charles Frank, Asmail Habach, Raed Seetan, Abdullah Wahbeh, "Predicting Smoking Status Using Machine Learning Algorithms and Statistical Analysis", Advances in Science, Technology and Engineering Systems Journal, vol. 3, no. 2, pp. 184–189, 2018. doi: 10.25046/aj030221
- Sehla Loussaief, Afef Abdelkrim, "Machine Learning framework for image classification", Advances in Science, Technology and Engineering Systems Journal, vol. 3, no. 1, pp. 1–10, 2018. doi: 10.25046/aj030101
- Ruijian Zhang, Deren Li, "Applying Machine Learning and High Performance Computing to Water Quality Assessment and Prediction", Advances in Science, Technology and Engineering Systems Journal, vol. 2, no. 6, pp. 285–289, 2017. doi: 10.25046/aj020635
- Batoul Haidar, Maroun Chamoun, Ahmed Serhrouchni, "A Multilingual System for Cyberbullying Detection: Arabic Content Detection using Machine Learning", Advances in Science, Technology and Engineering Systems Journal, vol. 2, no. 6, pp. 275–284, 2017. doi: 10.25046/aj020634
- Yuksel Arslan, Abdussamet Tanıs, Huseyin Canbolat, "A Relational Database Model and Tools for Environmental Sound Recognition", Advances in Science, Technology and Engineering Systems Journal, vol. 2, no. 6, pp. 145–150, 2017. doi: 10.25046/aj020618
- Loretta Henderson Cheeks, Ashraf Gaffar, Mable Johnson Moore, "Modeling Double Subjectivity for Gaining Programmable Insights: Framing the Case of Uber", Advances in Science, Technology and Engineering Systems Journal, vol. 2, no. 3, pp. 1677–1692, 2017. doi: 10.25046/aj0203209
- Moses Ekpenyong, Daniel Asuquo, Samuel Robinson, Imeh Umoren, Etebong Isong, "Soft Handoff Evaluation and Efficient Access Network Selection in Next Generation Cellular Systems", Advances in Science, Technology and Engineering Systems Journal, vol. 2, no. 3, pp. 1616–1625, 2017. doi: 10.25046/aj0203201
- Rogerio Gomes Lopes, Marcelo Ladeira, Rommel Novaes Carvalho, "Use of machine learning techniques in the prediction of credit recovery", Advances in Science, Technology and Engineering Systems Journal, vol. 2, no. 3, pp. 1432–1442, 2017. doi: 10.25046/aj0203179
- Daniel Fraunholz, Marc Zimmermann, Hans Dieter Schotten, "Towards Deployment Strategies for Deception Systems", Advances in Science, Technology and Engineering Systems Journal, vol. 2, no. 3, pp. 1272–1279, 2017. doi: 10.25046/aj0203161
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