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The use of gradients in text images is nowadays quite frequent. Existing segmentation methods encounter serious problems when it comes to modern text images where gradients might appear in the background or the foreground or both at the same time. This paper presents an approach for lightness gradient areas detection based on the Hough Transform. The issues arising are discussed, and results are presented...
In recent decades, Computer aided retrieval, analysis of text, image data and graphical data technology are developing rapidly. However, the development in the field of 3D model retrieval is still in its infant stage. Thus, the related technologies, such as preprocess, normalization, extracting descriptor, index, and similarity measure still get a long way to explore. In this paper, we review recent...
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