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Stereo video object segmentation is a critical technology of the new generation of video coding, video retrieval, Internet and other emerging interactive multimedia field. This paper puts forward a redundant wavelet transform based stereo video object segmentation algorithm. First, the algorithm obtains the disparity map by redundant wavelet transform and then uses the disparity map to do video object...
Image thresholding is a useful method in many image processing and computer vision applications. Otsu method is one of popular thresholding methods and has been frequently used as a classical technique in various applications. A premise of this method is that the probability of edge region is supposed to be zero. However, the premise is not proper in some situations such as the images are corrupted...
Image segmentation plays an important role in image analysis and computer vision system. Among all segmentation techniques, the automatic thresholding methods are widely used because of their advantages of simple implement and time saving. Otsu method is one of thresholding methods and frequently used in various fields. Two-dimensional (2D) Otsu method behaves well in segmenting images of low signal-to-noise...
Image segmentation, which is the first essential and fundamental issue in the image analysis and pattern recognition, is a classical difficult problem in the image processing. The color images, which possess more visual information than the gray images do, have aroused more and more attentions. In the medical imaging system, according to the different absorbency of different tissues, the staining...
The automation edge extraction of glomerulus is an important step for analyzing kidney-tissue image in the computer aided diagnosis system of kidney disease. According to the characteristic of these medical images, this paper proposes a glomerulus extraction method based on wavelet transformation and watershed algorithm. First, a LOG filter is applied to the low-resolution image, which corresponds...
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