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This paper deals with the dependence of Constant Rate Factor (CRF) on the bitrate for most commercial used compression standards H.264 and H.265. The measurements were done for eight different video sequences with high resolutions (HD, Full HD, Ultra HD) depending on content. The results indicated biggest differences in the coding efficiency in CRF range from 10 to 20 and from 40 to 51 by both mentioned...
Recently multimedia services increase, especially in video domain, leads to requirements of quality assessment. The main factors effected that quality are compression technology and transmission link. This paper presents a coding efficiency comparison of the well-known video compression standards Advanced Video Coding (H.264/AVC), High-Efficiency Video Coding (H.265/HEVC), VP8 and VP9 using objective...
In the last years the interest on multimedia services has rapidly increased which leads to requirements of quality assessment, especially in video domain. Compression together with transmission link imperfection are two main factors that influence the quality. This paper deals with the video quality assessment of the impact of VP9 compression standard using both objective and subjective methods for...
Last few years the interest of multimedia services has rapidly increased. This leads to requirements of quality assessment, especially in video domain. Compression together with transmission link imperfection are two main factors that influence the quality. This paper deals with assessment of impact of VP8 and VP9 compression standards on the video quality using objective metrics and defining theirs...
In the last years the interest of multimedia services has markedly increased. This leads to requirements of quality assessment, especially in video domain. Compression together with transmission link imperfection can be considered as two main factors that influence the quality. This paper deals with assessment of impact of HEVC/H.265 and VP9 compression standards on the video quality for high resolutions...
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