CoenM.ImageSharp.ImageHash 1.2.30

ImageHash

Perceptual image hashing using the ImageSharp library. Includes three hashing algorithms (AverageHash, DifferenceHash, and PerceptualHash). See github for more information.

Calculate image hash

var hashAlgorithm = new AverageHash();
// or one of the other available algorithms:
// var hashAlgorithm = new DifferenceHash();
// var hashAlgorithm = new PerceptualHash();

string filename = "your filename";
using var stream = File.OpenRead(filename);

ulong imageHash = hashAlgorithm.Hash(stream);

Calculate image similarity

Note that to calculate the image similarity, both image hashes should have been calculated using the same hash algorihm.

// calculate the two image hashes
ulong hash1 = hashAlgorithm.Hash(imageStream1);
ulong hash2 = hashAlgorithm.Hash(imageStream2);

double percentageImageSimilarity = CompareHash.Similarity(hash1, hash2);

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https://github.com/coenm/ImageHash/releases/tag/v1.2.30

.NET Framework 4.6.1

.NET Framework 4.7.2

.NET Core 2.1

.NET Core 3.1

.NET 5.0

.NET 6.0

.NET Standard 2.0

Version Downloads Last updated
1.3.6 130 06/23/2024
1.2.30 1 06/30/2024
1.1.5 1 06/30/2024
1.0.0 1 06/30/2024
1.0.0-beta0004 1 06/30/2024
1.0.0-beta0003 1 06/30/2024
1.0.0-beta0002 1 06/30/2024
1.0.0-beta.5 1 06/30/2024