https://scholars.lib.ntu.edu.tw/handle/123456789/314770
標題: | Low-bitrate video quality enhancement by frame rate up-conversion and adaptive frame encoding | 作者: | Yang, Y.-T. Tung, Y.-S. Weng, C.-Y. JA-LING WU |
關鍵字: | Adaptive Frame Skip; Frame Rate Up-Conversion; Motion Compensated Frame Interpolation | 公開日期: | 2005 | 卷: | 3768 LNCS | 起(迄)頁: | 841-853 | 來源出版物: | Lecture Notes in Computer Science | 摘要: | Frame rate up-conversion (FRUC) is a useful technique for a lot of practical applications, such as display format conversion, low bitrate video coding and slow motion playback. Unlike traditional approaches, such as frame repetition or linear frame interpolation, motion-compensated frame interpolation (MCFI) technique which takes block motion into account is regarded as a more efficient scheme. By considering the deficiencies in previous works, new criteria and coding schemes for enhancing motion derivation and interpolation processes are suggested. We then integrate the proposed MCFI scheme into the decoding process of the latest coding standard, H.264/AVC. In addition, adaptive frame skip is fulfilled at the encoder side to maximize the power of MCFI in video coding applications. As a result, the encoder can adopt the MCFI dynamically and can decide whether the input frame should be coded or dropped then interpolated. Experimental results show that our proposal indeed enhances the overall quality, both subjectively and objectively, especially for the low bitrate video coding. © Springer-Verlag Berlin Heidelberg 2005. |
URI: | http://www.scopus.com/inward/record.url?eid=2-s2.0-33646685751&partnerID=MN8TOARS http://scholars.lib.ntu.edu.tw/handle/123456789/314770 |
DOI: | 10.1007/11582267_73 |
顯示於: | 資訊工程學系 |
在 IR 系統中的文件,除了特別指名其著作權條款之外,均受到著作權保護,並且保留所有的權利。