COMBINED SOURCE-CHANNEL CODING OF IMAGES USING THE BLOCK COSINE TRANSFORM.

J. W. Modestino, D. G. Daut, A. L. Vickers. A. L.

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

An approach is described for exploiting the tradeoffs between source and channel coding in the context of image transmission. The source encoder employs two-dimensional (2-D) block transform coding using the discrete cosine transform (DCT). This technique has proven an efficient and readily implementable source coding technique in the absence of channel errors. In the presence of channel errors, however, the performance degrades rapidly requiring some form of error control protection if reasonable quality image reconstruction is to be achieved. This channel coding can be extremely wasteful of channel bandwidth if not applied judiciously. The approach described here provides a rationale for combined source-channel coding which provides improved quality image reconstruction without sacrificing transmission bandwidth.

Original languageEnglish
Title of host publicationNTC Conference Record - National Telecommunications Conference
Place of PublicationPiscataway, NJ
PublisherIEEE
Volume3
StatePublished - 1800
EventUnknown conference - Houston, TX, USA
Duration: Nov 30 1980Dec 4 1980

Other

OtherUnknown conference
CityHouston, TX, USA
Period11/30/8012/4/80

Fingerprint

Cosine transforms
Channel coding
Image reconstruction
Bandwidth
Image communication systems
Discrete cosine transforms

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Modestino, J. W., Daut, D. G., & Vickers. A. L., A. L. (1800). COMBINED SOURCE-CHANNEL CODING OF IMAGES USING THE BLOCK COSINE TRANSFORM. In NTC Conference Record - National Telecommunications Conference (Vol. 3). Piscataway, NJ: IEEE.

COMBINED SOURCE-CHANNEL CODING OF IMAGES USING THE BLOCK COSINE TRANSFORM. / Modestino, J. W.; Daut, D. G.; Vickers. A. L., A. L.

NTC Conference Record - National Telecommunications Conference. Vol. 3 Piscataway, NJ : IEEE, 1800.

Research output: Chapter in Book/Report/Conference proceedingChapter

Modestino, JW, Daut, DG & Vickers. A. L., AL 1800, COMBINED SOURCE-CHANNEL CODING OF IMAGES USING THE BLOCK COSINE TRANSFORM. in NTC Conference Record - National Telecommunications Conference. vol. 3, IEEE, Piscataway, NJ, Unknown conference, Houston, TX, USA, 11/30/80.
Modestino JW, Daut DG, Vickers. A. L. AL. COMBINED SOURCE-CHANNEL CODING OF IMAGES USING THE BLOCK COSINE TRANSFORM. In NTC Conference Record - National Telecommunications Conference. Vol. 3. Piscataway, NJ: IEEE. 1800
Modestino, J. W. ; Daut, D. G. ; Vickers. A. L., A. L. / COMBINED SOURCE-CHANNEL CODING OF IMAGES USING THE BLOCK COSINE TRANSFORM. NTC Conference Record - National Telecommunications Conference. Vol. 3 Piscataway, NJ : IEEE, 1800.
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