Third time’s a harm? Microsoft tries to get twice-rejected compression patent past skeptical examiners

Boffin who invented ANS encoding and made it public domain worries Microsoft will come rent-seekingAnalysis In June, 2019, Microsoft applied for a US patent covering enhancements to a data encoding method known as rANS, one of several variants in the Asymmetric Numeral System (ANS) family that form the foundation of data compression schemes used by Apple, Facebook, Google, various other companies, and open source projects.…