Hello, Very sorry for disturbing you again, but I wanted to let you know that I have really improved very high compression of the NHW Project from -l8 to -l13 quality settings, and we can still save 2.5KB per .nhw compressed file.
Actually I am new to very high compression, it is just 3 months that I am working on it (I put on pause the NHW Project from August 2013 to February 2018)... And I realize that very high compression is quite difficult because all the noticeable artifacts appear there... With this update, my new -l13 very high compression quality setting is really better, and can compete with x265 (HEVC) on rather good quality images, because it has more neatness, but that's right that on "degraded" images (compressed, with artifacts), HEVC starts to excel and be very impressive. I find that -l13 very high compression setting is the limit where the other codecs (WebP, x264, Rududu,...) start to perform less efficiently and have noticeable quality drop, whereas HEVC stays excellent... I will try to improve the NHW Project so that it stays competitive with HEVC on all type of images, and not good quality only... but it is not that easy as I want the NHW Project to be very fast, and stay at least 50x faster to encode and at least 15x faster to decode than x265 (optimized HEVC), and also stay royalty-free! More at: http://nhwcodec.blogspot.com/ Any opinion on the NHW Project is very welcome! Many thanks for your time. Cheers, Raphael Canut
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