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We introduce a curve process framework to solve the challenging problem of curve extraction from “non-traceable” curve groups. We propose a comprehensive curve model, which consists of the geometric, photometric and topological sub-models. Two typical categories of the non-traceable curve groups are considered. First, for the interlaced curves with complex structures, we show how to use the proposed...
This paper presents a depth estimation method which converts two-dimensional images into three-dimensional data. Based on two-dimensional wavelet analysis of Lipschitz regularity for defocus estimation on edges, this method can effectively eliminate the horizontal stripes in the depth map resulted from traditional one-dimensional wavelet based approaches. Besides, we also propose several techniques...
Text in videos contains much semantic information that can be used for video indexing and summarization. In this paper, we design an integrated algorithm of locating horizontal text based on corner point detection and color clustering. First, we get candidate text regions by using the method based on corner point detection, and then identify candidate text regions and refine the bounding boxes by...
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