2110 search results - page 77 / 422 » DCT-based motion estimation |
ICIP
2004
IEEE
14 years 10 months ago
2004
IEEE
In this paper we propose a fast motion estimation technique that works in the wavelet domain. The computational cost of the algorithm turns out to be proportional to the linear si...
JRTIP
2008
13 years 8 months ago
2008
Abstract The multiple reference frames motion estimation approach used in H.264 is computationally intensive. This paper presents a fast or computationally efficient feature-assist...
ICASSP
2007
IEEE
14 years 22 days ago
2007
IEEE
Motion estimation is the most time-consuming subsystem in a video codec. Thus, more efficient methods of motion estimation should be investigated. Real video sequences usually exh...
ICIP
2006
IEEE
14 years 10 months ago
2006
IEEE
Sub-pixel motion compensation plays an important role in compression efficiency within modern video codecs such as MPEG2, MPEG4 and H.264. Sub-pixel motion compensa tion is implem...
BILDMED
2009
13 years 10 months ago
2009
Abstract. Detailed analysis of breathing dynamics, as motivated by radiotherapy of lung tumors, requires accurate estimates of inner lung motion fields. We present an evaluation an...