Deblocking filter for encoder/decoder arrangement and method wit

Details Deblocking filter for encoder/decoder arrangement and method wit Deblocking filter for encoder/decoder arrangement and method wit

1998-07-09

2000-12-12

Young, Brian

Coded data generation or conversion

Digital code to digital code converters

With error detection or correction

H03M 1300

Patent

active

061605034

ABSTRACT:
According to one aspect of the disclosure, the present invention provides methods and arrangements for the removal or reduction of divergence artifacts between a transmitting codec and a receiving codec. One of a number of implementations includes using a deblocking filter in an inverse transformer loop and selectively disabling the filter upon certain conditions.

REFERENCES:
patent: 5604502 (1997-02-01), Haskell et al.
patent: 5635938 (1997-06-01), Komoto
patent: 5715004 (1998-02-01), Chun et al.
patent: 5736944 (1998-04-01), Kurihara
patent: 5872866 (1999-02-01), Strongin et al.
ITU-T H.263 Annex J. and full "Draft Text of Recommendation H-263 Version 2 ("H.263+") For Decision".
Document Q15-D-61 from ITU-Study Group 16: "Solution Proposals for the H.263 IDCT Mis-Match Problem with Deblocking Filter Mode (Annex J) Described in Q15-D-41" (Proposal).

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