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Photometric stereo (PS) is commonly used in examination of ballistic marks and this study investigated the effects of noises present in images on the reconstructed depth map based on PS and the sensitivity of different error measures to different kinds of noises. The images of 3D synthetic objects with known light conditions and Lambert reflection model were calculated first. Thermal noise, Schottky...
In this paper, a graph-based method for video content analysis is proposed. The characteristics of the detected shots are investigated for news, commercial, animated cartoon, basketball and documentary videos and experimental studies are realized on these videos. The maximum clique on the weighted and undirected graph, which is constructed according to visual content, is tried being detected. It is...
In this paper, we propose a weighted undirected graph-based video scene detection method. The method is based on the idea of using the complete information of the graph. For this aim, each shot is represented by a vertex on the graph. Edge weights among vertices are evaluated by using spatial and temporal similarities of shots. Only a single video scene boundary which has the highest probability to...
In this paper, a graph-based method for video scene detection is proposed. The method is based on a weighted undirected graph. Each shot is a vertex on the graph. Edge weights among the vertices are evaluated by using spatial and temporal similarities of shots. By using the complete information of the graph, a set of the vertices mostly similar to each other and dissimilar to the others is detected...
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