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Blocksize-QP dependent intra interpolation filters

Abstract: 

Intra interpolation filters for intra angular prediction play an important role in the coding performance. In the intra angular prediction of VVC, which is being standardized by the joint video coding expert team (JVET), block-size based switchable interpolation filters between 4-tap cubic and Gaussian interpolation filters is being studied. Although the two filters have different frequency characteristics, block size-based criteria are insufficient to represent the reference sample characteristics. In this manuscript, switching criteria based on both the block-size and QP value are proposed to improve the coding performance. The experimental results show a -0.45% BD-rate gain compared with that by the VVC test model 2 for all intra conditions under the common test condition (CTC) in JVET.

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Paper Details

Authors:
Yoshitaka Kidani, Kei Kawamura, Kyohei Unno, Sei Naito
Submitted On:
20 September 2019 - 5:12am
Short Link:
Type:
Poster
Event:
Presenter's Name:
Yoshitaka Kidani
Paper Code:
2450
Document Year:
2019
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Document Files

ICIP2019_P2450.pdf

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[1] Yoshitaka Kidani, Kei Kawamura, Kyohei Unno, Sei Naito, "Blocksize-QP dependent intra interpolation filters", IEEE SigPort, 2019. [Online]. Available: http://sigport.org/4770. Accessed: Oct. 18, 2019.
@article{4770-19,
url = {http://sigport.org/4770},
author = {Yoshitaka Kidani; Kei Kawamura; Kyohei Unno; Sei Naito },
publisher = {IEEE SigPort},
title = {Blocksize-QP dependent intra interpolation filters},
year = {2019} }
TY - EJOUR
T1 - Blocksize-QP dependent intra interpolation filters
AU - Yoshitaka Kidani; Kei Kawamura; Kyohei Unno; Sei Naito
PY - 2019
PB - IEEE SigPort
UR - http://sigport.org/4770
ER -
Yoshitaka Kidani, Kei Kawamura, Kyohei Unno, Sei Naito. (2019). Blocksize-QP dependent intra interpolation filters. IEEE SigPort. http://sigport.org/4770
Yoshitaka Kidani, Kei Kawamura, Kyohei Unno, Sei Naito, 2019. Blocksize-QP dependent intra interpolation filters. Available at: http://sigport.org/4770.
Yoshitaka Kidani, Kei Kawamura, Kyohei Unno, Sei Naito. (2019). "Blocksize-QP dependent intra interpolation filters." Web.
1. Yoshitaka Kidani, Kei Kawamura, Kyohei Unno, Sei Naito. Blocksize-QP dependent intra interpolation filters [Internet]. IEEE SigPort; 2019. Available from : http://sigport.org/4770