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This paper presents a position correcting method concerning the existing problem in the forward approach to establish component-level parametric scattering center models for known complex radar targets. The forward approach decomposes the target-model of radar into some parts and then extracts the scattering centers and their parameters through radar simulation. In the actual utilization of the forward...
From a single low resolution image, a real-time document image super-resolution algorithm is proposed to obtain high resolution document image with sharp text boundaries. First, a highly efficient document image matting algorithm based on local linear modeling is designed to decompose the input image into text, foreground and background layers, which contain the text edge information, the color information...
Non-contact imaging devices such as digital cameras and overhead scanners can convert hardcopy books to digital images without cutting them to individual pages. However, the captured images have distinct distortions. A book dewarping system is proposed to remove the perspective and geometric distortions automatically from single images. A book boundary model is extracted, and a 3D book surface is...
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