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The hue component of face area in coal mine surveillance images is not true of normal school because of nonlinear characteristic of image sample device in dim-lightening surroundings, and its contrast is clearer than that of non-face area. The skin-color of miner's faces surveillance images of multi angles can be segmented fleetly with the segmentation parameter of hue component which is initialized...
Facial images with low resolution in surveillance sequences are hard to detect with traditional approaches. An efficient face detection and face scoring technique in surveillance systems is proposed. It combines spirits of image-based face detection and essences of video object segmentation to filter out high-quality faces. The proposed face scoring technique, which is useful for surveillance video...
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