Find_Similar_Images
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dlaperriere
Reverse image search utility based on perceptual hash algorithms
Find similar images
Reverse image search utility based on perceptual hash algorithms
Perceptual hash algorithms
The perceptual hashes are calculated from reduced 8x8 grayscale images:
| Algorithm | Description |
|---|---|
| Average | Use the pixel's value and the average color |
| Block | Divide image in blocks and use their mean value |
| Difference | Use the difference between adjacent pixels |
| Perceptive | Use a discrete cosine transform (DCT) and compare frequencies rather than color values |
Compilation
Find similar images can be built from source with the 'SimilarImages.sln' Visual Studio 2013 solution.
Install the NuGet package 'OpenCvSharp3-AnyCPU' https://github.com/shimat/opencvsharp
PM> Install-Package OpenCvSharp3-AnyCPU
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David Laperriere [email protected]
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Reverse image search utility based on perceptual hash algorithms