NDLI: Non-square quadtree transform structure for HEVC

Content Provider	IEEE Xplore Digital Library
Author	Yuan Yuan Xiaozhen Zheng Lingzhi Liu Xiaoran Cao Yun He
Copyright Year	2012
Description	Author affiliation: Tsinghua National Laboratory for Information Science and Technology, Department of Electronic Engineering, Tsinghua University, Beijing, China (Yuan Yuan; Xiaoran Cao; Yun He) \|\| Research Department, HiSilicon Technologies, Shenzhen, China (Xiaozhen Zheng; Lingzhi Liu)
Abstract	A new non-square quadtree transform structure is proposed to improve the coding efficiency of the HEVC video coding algorithm. The proposed method, designed for non-square inter prediction blocks, incorporates non-square transforms with the residual quadtree transform (RQT) structure. It improves the transform structure adaptation to complex image contents through exploiting the directional features and contours, breaking the limitation of the RQT structure when meeting with the directional scenarios. Through the test, both of satisfied subjective and objective performance improvement can be achieved and there is nearly no implementation cost and no encoding time increase of the proposed method.
Starting Page	505
Ending Page	508
File Size	388360
Page Count	4
File Format	PDF
ISBN	9781457720475
e-ISBN	9781457720499
e-ISBN	9781457720482
DOI	10.1109/PCS.2012.6213265
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-05-07
Publisher Place	Poland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Video coding Image coding non-square transform Shape Transforms Encoding Decoding HEVC Image reconstruction quadtree structure
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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