This disclosure describes techniques for calculating values of sub-integer pixels applied by
an encoder and a decoder to encode blocks of video data. In one example, a video encoder …

Techniques to perform fast motion estimation are described. An apparatus may comprise a
motion estimator operative to receive as input a current frame and a reference frame from a …

US20040146108A1 - MPEG-II video encoder chip design - Google Patents
US20040146108A1 - MPEG-II video encoder chip design - Google Patents MPEG-II video …

A method includes determining a lowest-score interpolation direction among a plurality of
interpolation directions. The method further includes calculating a candidate pixel value by …

US PATENT DOCUMENTS 6,842,538 B2 1/2005 Lee et al. 7,085,418 B2 8/2006 Kaneko et
al. 7,139,432 B2 11/2006 Wenzel et al. 7,235,782 B2 6, 2007 Takane et al. 7,492,929 B2 …

BACKGROUND 0003 Digital video capabilities can be incorporated into a wide range of
video devices, including digital televisions, digital direct broadcast systems, wireless …

WEIGHT CALCULAION UNIT using motion vectors of neighboring image blocks are pro
vided. The method includes dividing a current image block into a plurality of Sub-blocks; and …

The motion of image content such as a point of interest in a video frames sequence is
tracked using sub-pixel resolution motion estimation in forward and/or backward direction …

An image sequence comprises at least a first image and a second image. A motion vector
(MV (1)) is associated to these first and second images and is defined in a coordinate …

BACKGROUND For a variety of applications, it is necessary to convert conventional
interlaced video signal frames into a progressive scan format. For example, it may be …