
J PEG and motion-J PEG
(AA-J PEG) compression 38
ISO/IEC 10918,
Information Tech-
nology- Digital compression and
coding of continuous-tone still images.
This chapter describes
JPEG,
a standard for Iossy
compression of still images based upon the discrete
cosine transform (DCT). JPEG is rarely used directly in
video, but it forms the basis of AA-JPEG (used in
desktop video editing) and DV compression. Also, JPEG
techniques form the core of AAPEG.
A4otion-JPEG
(AA-JPEG) refers to the use of a JPEG-like
algorithm to compress each field or frame in a sequence
of video fields or frames. AA-JPEG systems ...