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Vision-based driver assistance requires basic vision modules for stereo analysis or optic flow calculation. Driving situations change frequently, and methods need to be evaluated in the real world. The paper proposes ways for evaluating optic flow techniques by using estimated geometries for surrounding buildings or 'road furniture'. It demonstrates the value of such an evaluation by discussing four...
Motion analysis is of basic importance for vision-based driver assistance systems. Optical flow is a common image motion representation. This paper provides comparative evaluations of four different optical flow algorithms (called Horn-Schunck, CLG, BBPW, and TV-L1 in the paper). The algorithms are tested for synthetic and recorded sequences on original image data, on edge maps, and on residual images...
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