js图像对比可用的一些资源

最新推荐文章于 2025-11-14 15:50:42 发布

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最新推荐文章于 2025-11-14 15:50:42 发布 · 1.1k 阅读

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#javascript #前端 #开发语言

本文介绍了JavaScript中用于图像对比的几个库，如pngjs、LooksSame、pixelmatch、Resemble.js和blink-diff，重点讲解了在UI测试中如何优化图像对比，包括使用SSIM、形态学处理和感知哈希算法。还提到了图片对比在自动化测试中的实践以及面临的问题，如页面轻微位移和异常阈值设定。

pngjs
Simple PNG encoder/decoder for Node.js with no dependencies.

LooksSame
Node.js library for comparing PNG-images, taking into account human color perception. It is created specially for the needs of visual regression testing for gemini utility, but can be used for other purposes.

pixelmatch
The smallest, simplest and fastest JavaScript pixel-level image comparison library, originally created to compare screenshots in tests.
Features accurate anti-aliased pixels detection and perceptual color difference metrics.
Inspired by Resemble.js and Blink-diff. Unlike these libraries, pixelmatch is around 150 lines of code, has no dependencies, and works on raw typed a