blockhash

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    "imagemagick"
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  "desc": "Perceptual image hash calculation tool",
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  "enrichment_fetched_at": "2026-06-20T23:35:55+00:00",
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  "full_name": "blockhash",
  "github_default_branch": "master",
  "github_last_commit_at": "2024-01-04T14:15:44Z",
  "github_readme_excerpt": "![Tests](https://github.com/commonsmachinery/blockhash/actions/workflows/test.yml/badge.svg)\n\nblockhash\n=========\n\nThis is a perceptual image hash calculation tool based on algorithm descibed in\nBlock Mean Value Based Image Perceptual Hashing by Bian Yang, Fan Gu and Xiamu Niu.\n\nBuild and install\n-----------------\n\nBlockhash requires libmagickwand. On Debian/Ubuntu it can be installed using\nthe following command:\n\n    sudo apt-get install libmagickwand-dev\n\nOn Fedora and friends:\n\n    sudo dnf install ImageMagick-devel\n\nTo build blockhash cd to the source directory and type:\n\n    ./waf configure\n    ./waf\n\nThe program binary will land in `./build`. To install it to `/usr/local/bin/` type:\n\n    ./waf install\n\nUsage\n-----\n\nRun `blockhash [list of images]` for calculating hashes.\n\nRun `blockhash --help` for the list of options.\n\nLicense\n-------\n\nCopyright 2014 Commons Machinery http://commonsmachinery.se/\n\nDistributed under an MIT license, please see LICENSE in the top dir.\n\nContact: dev@commonsmachinery.se\n",
  "github_repo": "commonsmachinery/blockhash",
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  "github_topics": [],
  "homepage": "https://github.com/commonsmachinery/blockhash",
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  "license": "MIT",
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}