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中文摘要：
图像分割是图像处理和计算机视觉中的重要技术，并且已在工业、军事、医学图像以及机器人视觉领域有着广泛的应用。在此采用了基于小波变换边缘检测算法和阈值分割算法。小波变换边缘检测，即设置分解级数进行多次分解，并依次榆出结果图像。阈值分割采用全局与局部阈值分割图像，但是局部闲值更能突出图像的信息点。
英文摘要：
Image segmentation is a very important technology in the fields of image processing and computer vision, and also plays a very important role in the fields of industry, military, medical image and robot vision. The edge detection and threshold segmentation algorithms based on wavelet transform are used to preprocess the images. The wavelet transform edge detection is to set the dissociation progression to analyze time after time, and output images in proper order. The globle threshold segmentation and local threshold segmentation are adopted in threshold segmentation. However, the local threshold segmentation can protrude information in images.
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