Katsuji Igarashi

Video signal transmitting system

Efficient coding apparatus for picture signal and decoding apparatus therefor

High efficiency encoding and decoding of picture signals and recording medium containing same

Variable length coding/decoding method for motion vectors

Video coding selectable between intra-frame prediction/field-based orthogonal transformation and inter-frame prediction/frame-based orthogonal transformation

Motion detecting apparatus

Recording and/or reproduction apparatus and method for optical record medium

Video coding method and apparatus which select between frame-based and field-based predictive modes

Recording/reproducing apparatus and method for determining and generating a focus offset valve to focus at an optical storage medium

Method and apparatus for calibrating optical disc systems