Matrix of the diagonal sobel operator of size 3x3
- by erjik
What is the matrix of sobel operator of size 3x3 if the operator is said to be diagonal
(Left or right diagonal)?
EDIT: or may be with more bigger size
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What is a good way of Enhancing contrast of color images?
- by erjik
I split color image for 3 channels and made a contrast enhancement of each channel. Then merged them together, I like the image at the result, but it has different colors. Black objects became yellow and so on... EDIT: The algorithm I used is to calculate the 5th percentile and the 95th percentile as min and max values, and then expand the values of image so that it will have min and max values as 0 and 255. If there is a better approach please tell me.Read the article
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Please suggest some good books about image analysis or image processing
- by erjik
I wish to become a good specialist in image processing, for example I want to know how to find barcodes or car plates and so on, anything that i think about, an apple on image. And then to do something more, for example decode the barcode or just write - this is an apple. So do you know a good book or online course?Read the article
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Using opencv in Win32 application for image show
- by erjik
Is it possible to output images so that they all will be inside a single window? Before, I used to output data using only opencv functions: cvNamedWindow("Image 1"); cvShowImage("Image 1", img); So I change image, then call: cvShowImage function and so on. But If I want to look at more than one image, then every new image needs its own window to be shown there And what I want is to put every such an output opencv's window inside one big main window. Is it possible to do it? And how?Read the article
