Title :
Motion re-estimation for HDTV to SDTV transcoding
Author :
Xin, Jun ; Sun, Ming-Ting ; Chun, Kangwook ; Choi, Byung Sun
Author_Institution :
Dept. of Electr. Eng., Washington Univ., Seattle, WA, USA
Abstract :
Both High-Definition Television (HDTV) and Standard-Definition Television (SDTV) use the MPEG-2 video coding standard, but they have different spatial resolutions. In order to support interlaced video coding, MPEG-2 incorporates various macroblock coding modes. Thus the HDTV to SDTV transcoding needs to handle non-integer factor spatial resolution down-scaling and various MPEG-2 macroblock coding modes. Taking into consideration the details of MPEG-2 macroblock coding modes, we propose motion re-estimation algorithms specially tailored for HDTV to SDTV transcoding.
Keywords :
block codes; high definition television; motion estimation; video coding; HDTV to SDTV transcoding; MPEG-2 video coding standard; high-definition television; interlaced video coding; macroblock coding modes; motion re-estimation algorithms; noninteger factor spatial resolution down-scaling; spatial resolutions; standard-definition television; Decoding; Discrete cosine transforms; HDTV; Motion estimation; Spatial resolution; Streaming media; Sun; TV broadcasting; Transcoding; Video coding;
Conference_Titel :
Circuits and Systems, 2002. ISCAS 2002. IEEE International Symposium on
Print_ISBN :
0-7803-7448-7
DOI :
10.1109/ISCAS.2002.1010557
