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　　这是 iPhone 上一个简单的图像处理库。支持的图像操作包括：

　　Canny edge detection - http://en.wikipedia.org/wiki/Canny_edge_detection

　　Histogram equalisation - http://en.wikipedia.org/wiki/Histogram_equalisation

　　Skeletonisation - http://en.wikipedia.org/wiki/Topological_skeleton

　　Thresholding, adaptive and global - http://en.wikipedia.org/wiki/Thresholding_(image_processing)

　　Gaussian blur (used as a preprocessing step for canny edge detection) - http://en.wikipedia.org/wiki/Gaussian_blur

　　Brightness normalisation - http://en.wikipedia.org/wiki/Normalization_(image_processing)

　　Connected region extraction - http://en.wikipedia.org/wiki/Blob_extraction

　　Resizing - uses interpolation

　　示例代码：

　　// convert to grey scale and shrink the image by 4 - this makes processing a lot faster!ImageWrapper *greyScale=Image::createImage(srcImage, srcImage.size.width/4, srcImage.size.height/4);// do a gaussian blur and then extract edges using the canny edge detector// you can play around with the numbers to see how it effects the edge extraction// typical numbers are  tlow 0.20-0.50, thigh 0.60-0.90ImageWrapper *edges=greyScale.image->gaussianBlur().image->cannyEdgeExtract(0.3,0.7);// show the resultsresultImage.image=edges.image->toUIImage()