[PDF] Top 20 Survey on Multiple Shadow Detection and Removal Techniques

... Shadow is a dark area created when a source of light is ...of shadow: Umbra and Penumbra. Umbra is a part of shadow surface in which the direct light source is completely obscured by occluding ... See full document

... The main reason for introducing median filter [10] is to run through the signal entry by entry by replacing each entry with the median of neighboring entries. Median filter is an image enhancement technique and is less ... See full document

... sometimes undesirable as they can deteriorate results of computer vision algorithms. Also, in some cases shadows can yield additional information regarding the scene and lighting conditions and hence can be considered ... See full document

... remove shadow from a moving object which is itself a great ...procedure, shadow is recognized and after that removed from the Image, it is so in light of the fact that here at first the video test is ... See full document

... the shadow removal are two main challenges of background ...objects detection by eliminating the shadows from ...for multiple tracking to handle occlusion ... See full document

... K. Deepa et al. [10] proposed a heuristic global optimization method called Particle Swarm Optimization algorithm for record deduplication. The essential target behind the PSO algorithm is swarm. It includes two ... See full document

... and shadow segmentation in the RGB space. This method clearly detects shadow but the drawback is instability for certain color values which lead to the misclassification of the non shadow as ... See full document

... are multiple previous research works on Crack detection on digitized paintings as well as concrete structure images and crack ...crack detection method for large-size concrete surface images using ... See full document

... develop multiple human object tracking approach based on motion estimation and detection, background subtraction, shadow removal and occlusion ...the shadow of the background ... See full document

... two techniques to detect the shadows of outdoor ...the shadow area is obtained from the gradient map drawn using Global Image ...get shadow area of the ... See full document

... for shadow detection consid- ered it to be a pixel-labeling or edge-classification ...region-based techniques evolved in which the segmented regions in an image were la- beled as shadows or ... See full document

... improved multiple human object tracking method is used based on motion estimation and detection, background subtraction, shadow removal and occlusion ...subtraction techniques for ... See full document

... tumor detection method that uses T1, T2 weighted and PD, MR images to determine any abnormality in the brain ...the detection of brain tumor tissue in magnetic resonance image based on genetic algorithm and ... See full document

... case of the dynamic scenes, which include repetitive motions like moving car, people walking etc. Several block- based methods were developed to overcome such problems, which usually divide an image into blocks and ... See full document

... in shadow are ...the shadow that is cast by topographic features onto the surrounding ...detecting shadow regions, for example, the automatic cloud/shadow detection method, the ... See full document

... Satellite) satellite imagery. The land cover opens a new application, such as REDD. Remote sensing is a main information basis for land cover and forest assessment, and it provides image as wider area like faster and ... See full document

... extraction processes, and the moving object with its min- imum bounding rectangle as the output of the algorithm. We would incorporate Gaussian Mixture Model (GMM) into our mechanism functioning as the development of ... See full document

... the image division process, a multi-gradient (horizontal, The algorithm explained in [7] is almost similar to [6] vertical and diagonal edges) operation is performed on the and it is als[r] ... See full document

... Rajabi and Nahvi [16] proposed a modified contour-based multiple object tracking algorithm using point processing. This approach has the advantage of multiple objects tracking. Their system can detect and ... See full document

... recovered shadow regions ...for shadow segmentation and compensation in colour satellite ...for detection and removal of shadow based on Hue-saturation-value (HSV) color ...the ... See full document