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This paper describes a real-time stereo vision sensor based on the Field Programmable Gate Array (FPGA). It was developed using an image matching algorithm called Orientation Code Matching (OCM). Our implementation, using OCM, provides not only high performance, but also flexibility and a greater robustness, all of which are necessary to embed vision sensors in mobile robots and vehicles. The prototype...
Matching is a central problem in pattern recognition and computer vision, its applications includes object detection and tracking. HCMA (hierarchical chamfer matching) is a classical image matching algorithm, which utilizes the edge information to match the images robustly and the multi-resolution pyramid to accelerate the matching process. However, for images with cluttered background and high resolution,...
In this paper, the importance of the tree feature recognition in the distant view is first pointed out based on the analyzing of frame and background difference method which are two practical methods in vision systems, By analyzing data and image features of distantly-viewed trees, and the matrix of 5times5 pixels is chosen as the basic operator of tree features, and the feature model and matching...
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