Title:
SYSTEMS AND METHODS FOR TRANSFORM COEFFICIENT CODING
Document Type and Number:
WIPO Patent Application WO/2017/138352
Kind Code:
A1
Abstract:
A video coding device may be configured to receive a level value, estimate a characteristic of a reconstructed video block associated with the level value, adjust a quantization scale factor based on the estimated characteristic, and perform a quantization process on the level value based on the adjusted quantization scale factor.
Inventors:
ZHAO JIE
SEGALL CHRISTOPHER ANDREW
KIM SEUNG-HWAN
MISRA KIRAN MUKESH
SEGALL CHRISTOPHER ANDREW
KIM SEUNG-HWAN
MISRA KIRAN MUKESH
Application Number:
PCT/JP2017/002475
Publication Date:
August 17, 2017
Filing Date:
January 25, 2017
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
H04N19/126; H04N19/136; H04N19/176; H04N19/196
Foreign References:
| US20120093427A1 | 2012-04-19 | |||
| US20130170545A1 | 2013-07-04 | |||
| US20140161184A1 | 2014-06-12 | |||
| EP2317769A1 | 2011-05-04 | |||
| US20120093427A1 | 2012-04-19 |
Other References:
JIE ZHAO ET AL.: "De-quantization and scaling for next generation containers , Joint Video Exploration Team (JVET) of ITU-T SG 16 WP 3 and ISO/IEC JTC 1/SC 29/WG 11 2nd Meeting", JVET-B0054.DOCX, 20 February 2016 (2016-02-20), San Diego, USA, pages 1 - 5, XP030150059
See also references of EP 3414901A4
See also references of EP 3414901A4
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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