I am doing project based on image comparison. I need to compare two images. I use basic pixel by pixel comparison . If the images are of different size the comparison can not be done. So i was planning to compress the image to make them of same size(Resolution). But while compressing the image the pixel value might change (i am not sure about whether they will change or not ? correct me if im wrong) So in that circumstances pixel by pixel comparison may not be an efficient method. Can any one please help me with this. Please.
MATLAB: Image comparison and compression
image compressionimage processing
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