Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1978-05-15
1980-03-04
Griffin, Robert L.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358136, 358141, 3401461AL, H04N 521, H04N 712, H04N 704, H04L 110
Patent
active
041919700
ABSTRACT:
Error-correcting code theory is utilized in a video signal interframe coding system which requires no transmitter frame memory. In the transmitter, each of a plurality of n-bit words representing respective portions of the current frame is transformed into the corresponding k-bit syndrome of a selected (n,k) error-correcting code. As the syndrome of each word is received at the receiver, the corresponding word from the previous frame is read out of a receiver frame memory and its syndrome is formed. The received and formed syndromes are subtracted from one another and passed through an error-correcting code decoder. The previous-frame word is added to the decoder output, yielding the current-frame n-bit word.
REFERENCES:
patent: 3254325 (1966-05-01), Dollard
patent: 3840698 (1974-10-01), Hinoshita et al.
patent: 3887763 (1975-06-01), Hinoshita et al.
patent: 3940736 (1976-02-01), Inabe et al.
patent: 3944973 (1976-03-01), Masson
patent: 3983536 (1976-09-01), Tefler
patent: 4077028 (1978-02-01), Lui et al.
"Conditional Replenishment: A Promising Technique for Video Transmission", Mounts: Bell Laboratories Record: vol. 48, No. 4, Apr. 1970.
"Interframe Coding of Video Telephone Pictures", Haskell et al.: Proceedings of the IEEE, vol. 60, No. 7, Jul. 1972.
"A Data Compression System for the Transmission of Digitized Video Signals"; H. Ohnsorge, pp. 48.5-48.11; IEEE Int'l Conf. on Comm., vol. II, 1973.
"Noiseless Coding of Correlated Information Sources", Slepian et al., pp. 471-480, IEEE Transaction of Info. Theory, Jul. 1973.
"An Introduction to Error-Correcting Codes", Prentice-Hall, .COPYRGT.1970, S. Lin, pp. 33-57.
"Syndrome-Source-Coding and its Universal Generalization", IEEE Transactions of Info. Theory, vol. IT-22, No. 4, Jul. 1976, Ancheta, Jr.
Witsenhausen Hans S.
Wyner Aaron D.
Bell Telephone Laboratories Incorporated
Griffin Robert L.
Psitos Aristotelis M.
Slusky Ronald D.
LandOfFree
Interframe coder for video signals does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Interframe coder for video signals, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Interframe coder for video signals will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2042408