Hier finden Sie wissenschaftliche Publikationen aus den Fraunhofer-Instituten.

Architecture and circuit technology of a two-dimensional DCT for video signal coding

: Liebsch, W.

Goser, K. ; Informationstechnische Gesellschaft -ITG-:
Mikroelektronik für die Informationstechnik. Vorträge der ITG-Fachtagung 1988
Berlin/West: VDE-Verlag; VDI-Verlag, 1988 (ITG-Fachbericht 103)
ISBN: 3-8007-1591-0
Informationstechnische Gesellschaft (Fachtagung) <1988, Berlin/West>
Fraunhofer HHI ()
cmos integrated circuits; digital signal processing chips; encoding; high definition television; parallel architectures; picture processing; real-time systems; transforms; video signals; vlsi; data volume reduction; transform coding architecture; interprocessor connections; coefficient calculations; two-dimensional discrete cosine transform; video signal coding; parallel architectural concepts; circuit structures; regularity; real time; HDTV systems; cmos technology

Suitable parallel architectural concepts for reducing data volume for video signals in orthogonal functional space (transform coding) are presented. This is followed by their translations into circuit structures as regular as possible for VLSI implementation. The proposed structure is characterized by optimal regularity with short connections between the individual processor units and enables calculations of the Discrete Cosine Transform coefficients in real time for use in HDTV systems with pixel frequencies up to 70 MHz. The device can be implemented in 1.5 mu m CMOS technology.