Mozilla 推出 mozjpeg 2.0

othree 前天已經寫過:「mozjpeg 2.0」,不過因為這類性的研究其實對全世界幫助頗大,所以就再提一次...

原文在「Mozilla Advances JPEG Encoding with mozjpeg 2.0」這邊,主要的成果:

With today’s release, mozjpeg 2.0 can reduce file sizes for both baseline and progressive JPEGs by 5% on average compared to those produced by libjpeg-turbo, the standard JPEG library upon which mozjpeg is based [1]. Many images will see further reductions.

文章內也出現了一些關鍵字:

We’ve added options to specifically tune for PSNR, PSNR-HVS-M, SSIM, and MS-SSIM metrics.

PSNR 是最常聽到的,其他幾個 keyword 剛好可以拿來當 entry point。在「Video quality」這邊的 See also 部份也有不少 keyword 可以查...

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