x265 wins MSU HEVC codec contest

According to x265 facebook post: https://www.facebook.com/x265project/posts/1636775903206155 The results can be seen from below figures Not sure about how accurate the results are. But the reported figures suggest HEVC is far from saving 50% bitrate compared with x264. Also, there are 265 codecs that are even significantly worse than x264, which is quite surprising. Seems long… Continue reading x265 wins MSU HEVC codec contest

Things need to be improved for Structural SIMilarity (SSIM) image quality index

For image quality assessment, Structural SIMilarity (SSIM) index can be considered as a breakthrough technology that change both academia and industry players. 10K+ citations and lots of moves in many public image/video projects had evident that, especially in video compression community. x264, one of the most popular H.264 video encoder, seems optimize SSIM during the… Continue reading Things need to be improved for Structural SIMilarity (SSIM) image quality index