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Detecting pedestrians' spatial locations is a key, yet challenging task in video surveillance. From video sequences, we can apply motion detection algorithm to detect the whole pedestrians, and recognize pedestrians' foot-point locations with foot-point recognition method. While we propose a solution to recognize pedestrians' head-point locations for partially occluded pedestrians in complex scenes...
Having analyzed the drawbacks of image retrieval methods based on content, a novel region-based image retrieval algorithm using hybrid feature is proposed in this paper. The algorithm involves three steps: First, an image is segmented several regions by this algorithm. Second, spatial color distribution entropy is designed for each region, which takes not only the local color feature of the region...
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