image-processing

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How to mix OpenCV 1.0 and OpenCV 2.0

I want to do a polar transform. But in OpenCV 2.0 there doesn\'t appear to be a C++ version of the cvLogPolar function. How do I use it with cv::Mat?[详细]

2023-04-08 05:35 分类：问答
Combining Two Images with OpenCV

I\'m trying to use OpenCV 2.1 to combine two images into one, with the two images placed adjacent to each other. In Python, I\'m doing:[详细]

2023-04-08 05:22 分类：问答
How to recognize objects or patterns in one image?

suppose I have two images one contains circle and other contains square,I just want to give inpu开发者_JS百科t as this images. program should recognize which one is circle and which one is square. how[详细]

2023-04-08 01:10 分类：问答
Caching ASHX Image Response

I have created an ashx file to generate image thumbnails on the fly. I would like to cache these images client side after they are called the first time.[详细]

2023-04-08 00:30 分类：问答
Improving Image compositing Algorithm c# .NET

I was wondering if anyone could shed some light on improvements I can do in making this compositing algorithm faster. What is does is takes 3 images splits them up to get the 1st Images Red Channel, 2[详细]

2023-04-07 20:23 分类：问答
libmagick equivalent of TIFFReadRGBAImage

High. I was trying to find a well written API documentation for libmagick[++] to get a raster memory block for RGB[A] image data. Something 开发者_JAVA百科equivalent to this guide or at least well doc[详细]

2023-04-07 16:49 分类：问答
Image equalisation

I have an image. I would like to equalize histogram using histeq. But, I want only certain portion of the image be equalized and the rest part be displayed as it is. I could display the whole 开发者_运[详细]

2023-04-07 16:26 分类：问答
Trim scanned images with PIL?

What would be the approach to trim an image that\'s been开发者_StackOverflow input using a scanner and therefore has a large white/black area?the entropy solution seems problematic and overly intensiv[详细]

2023-04-07 15:56 分类：问答
Changes in CvRect values not being reflected in image

The minimum bounding rectangle of a contour is returned by OpenCv as a CvRect structure. I\'m trying to have an m pixel thick margin/border around the sub-image that corresponds to this CvRect on the[详细]

2023-04-07 14:38 分类：问答
Deforming an image so that curved lines become straight lines

I have an image with free-form curved lines (actually lists of small line-segments) overlayed onto it, and I want to generate some kind of image-warp that will deform the image in such a way that thes[详细]

2023-04-07 10:47 分类：问答