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Image representation through local descriptors is a research hotspot in computer vision. In this letter, we propose a novel local image descriptor based on intensity permutation and zone division. The oFAST detector is first employed to detect keypoints with orientations, and then steered patterns are applied to sample rotation-invariant points within the local keypoint patch. In the step of local...
The social relief system is an important part of the social security system. There have been dual economic and social structure in the current management system, function process and so on. Some social relief forms have not linked up effectively or convergence degree has not tighted enough so that it has not play the whole integrated strength, like the minimum standard of living for urban residents...
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