Error concealment control method and device of digital video sig

Details Error concealment control method and device of digital video sig Error concealment control method and device of digital video sig

1992-07-24

1995-04-25

Envall, Jr., Roy N.

Excavating

382 56, 348409, 348415, H04N 713

Patent

active

054105536

ABSTRACT:
This invention relates to an error concealment system of digital video signal for concealing an error in the digital video signal of block coding system such as Moving Picture Experts Group(MPEG) system which is a standard for a video signal decoder. A method for concealing an error in a digital video signal of block coding system comprising the steps of judging whether or not an error is present in mode data, judging whether or not the mode is an intra mode in case when an error is not present in the mode data, checking the number of motion vectors having no error in case that said mode is a non-intra mode, and concealing the error by interpolating the blocks of past and future intra frame and predictive frame residing at the same position as the block with an error in case an error is present in the mode data or in case of error in the data in intra mode and in case where errors are present in all the motion vectors.

REFERENCES:
patent: 5146325 (1992-09-01), Ng
patent: 5185819 (1993-02-01), Ng et al.
patent: 5212549 (1993-05-01), Ng et al.
Zhu, "Coding and Cell-Loss Recovery in DCT-Based Pocket Video", IEEE Transactions on Circuits and Systems for Video Tech, vol. 3, No. 3, Jun. 1993.
Samt Girons, "MPEGtt A Robust Compression and Transport System for Digital HDTV", (IEEE 0-7803-0593-0/92).
Gupta, "Joint Motion Compensated Prediction and Interpolation of Video Sequences," (IEEE 0-7803-0532-Sep. 1992).

Affiliated with

Also associated with

Rating

Error concealment control method and device of digital video sig does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Error concealment control method and device of digital video sig, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Error concealment control method and device of digital video sig will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1573020