/JPG

The Case For JPEG XL

- Jon Sneyers tl;dr: The authors looked at six aspects of JPEG XL where it brings "significant benefits over existing image formats:" (1) Lossless JPEG recompression. (2) Progressive decoding. (3) Lossless compression performance. (4) Lossy compression performance. (5) Deployable encoder. (6) Works across the workflow.

featured in #366

How JPEG Compression Works

- Bilal Himite tl;dr: "Quantization reduces the number of bits required to store a number. In other words, it reduces the precision of the number. The basis behind it is to divide our number by a quantum and then round to the nearest integer." Bilal talks us through each step taken for JPEG compression to happen.

featured in #280

Is WebP Really Better Than JPEG?

- Johannes Siipola tl;dr: "Google claims that their WebP format is 25 – 34% smaller than JPEG at equivalent quality." Here the two codecs are compared against each other on three different image sizes.

featured in #189

Reducing JPG File Size

- Colt McNalis

featured in #82.1