So the deringing filter is also used as a post-filter, i.e. not in the prediction loop?
Regards, Minhua -----Original Message----- From: video-codec [mailto:[email protected]] On Behalf Of Jean-Marc Valin Sent: Monday, November 02, 2015 5:55 AM To: Dake He; Jean-Marc Valin; [email protected] Subject: Re: [video-codec] Daala deringing filter vs Thor constrained low pass filter -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Daala does not have a deblcking filter, but rather a lapping post-filter. Deringing is applied after the lapping post-filter. Cheers, Jean-Marc On 11/02/2015 05:35 AM, Dake He wrote: > In the results reported in the document, does the reference codec > have deblocking enabled? Maybe this was addressed before. But I cannot > seem to locate it. > > Best, Dake Original Message From: Jean-Marc Valin Sent: Thursday, > October 29, 2015 1:39 PM To: Mohammad AlSaleh; [email protected] > Subject: Re: [video-codec] Daala deringing filter vs Thor constrained > low pass filter > > > On 10/29/2015 12:41 PM, Mohammad AlSaleh wrote: >> Looking at chapel subjectively, I think an option to use a weaker >> filter would be helpful. >> >> Generally, the filter gives good subjective results. But some of the >> details might get lost (e.g. the last steps leading to the chapel). > > It isn't really a matter of stronger vs weaker filter. The encoder can > turn the deringing filter on/off for every superblock, so any issue > would come down to how the encoder made the decision to keep the > filtered superblock. For example, the distortion function could be > missing something, or the encoder could be deciding to "sacrifice" > some region of the superblock to make another region better. > > Cheers, > > Jean-Marc > > _______________________________________________ video-codec mailing > list [email protected] > https://www.ietf.org/mailman/listinfo/video-codec > > _______________________________________________ video-codec mailing > list [email protected] > https://www.ietf.org/mailman/listinfo/video-codec > -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAEBCAAGBQJWN2siAAoJEJ6/8sItn9q98sMH/jLVsQLU2wIVuwk9J/a/Ip+4 VqdRcCw0bAN16+6DN6mKhU7ofkXjO8sxGN1dApMgsZ1Kbm0J3x6YGgNl441K+7EU r99xjrGlYTJYYzcKo9WwjxBmZOHzP9YNM+b/LtDfTXVL8+JvC3C2DRD5pzNTFhO3 494ol8Ufd9FFL55cljTSsTUGSmHrQJ4a/uraFlMFMMHk+9scSjuC+GTOUqWMZgr/ VbP9GtriPPuOfrK/RHpDvGKbo4hECcZxNe708qXazVinF3xdbzd9Vkf8uOpKuCI/ F6CXGPyxJN82XJH8QMcXOqGhkaOQ8ec+Eq/RE0T3H1BsM4qJyJa0ljLJjK8dW6c= =fbVG -----END PGP SIGNATURE----- _______________________________________________ video-codec mailing list [email protected] https://www.ietf.org/mailman/listinfo/video-codec _______________________________________________ video-codec mailing list [email protected] https://www.ietf.org/mailman/listinfo/video-codec
