Postprocessing of Block-Coded Videos for Deflicker and Deblocking

Jie Ren, Jiaying Liu, Mading Li and Zongming Guo

Published on DCC, March 2013 and ICASSP, May 2013.

Experimental Results

1. Akiyo

QF = 32
H.264 vs. Proposed DF+DB DB only vs. Proposed DF+DB
Akiyo-32-h264vsDFDB_First_Frame Akiyo-32-DBOnlyvsDFDB
QF = 37
H.264 vs. Proposed DF+DB DB only vs. Proposed DF+DB
Akiyo-37-h264vsDFDB_First_Frame Akiyo-37-DBOnlyvsDFDB
QF = 42
H.264 vs. Proposed DF+DB DB only vs. Proposed DF+DB
Akiyo-42-h264vsDFDB_First_Frame Akiyo-42-DBOnlyvsDFDB

2. City

QF = 32
H.264 vs. Proposed DF+DB DB only vs. Proposed DF+DB
City-32-h264vsDFDB_First_Frame City-32-DBOnlyvsDFDB
QF = 37
H.264 vs. Proposed DF+DB DB only vs. Proposed DF+DB
City-37-h264vsDFDB_First_Frame City-37-DBOnlyvsDFDB
QF = 42
H.264 vs. Proposed DF+DB DB only vs. Proposed DF+DB
City-42-h264vsDFDB_First_Frame City-42-DBOnlyvsDFDB

3. Foreman

QF = 32
H.264 vs. Proposed DF+DB DB only vs. Proposed DF+DB
Foreman-32-h264vsDFDB_First_Frame Foreman-32-DBOnlyvsDFDB
QF = 37
H.264 vs. Proposed DF+DB DB only vs. Proposed DF+DB
Foreman-37-h264vsDFDB_First_Frame Foreman-37-DBOnlyvsDFDB
QF = 42
H.264 vs. Proposed DF+DB DB only vs. Proposed DF+DB
Foreman-42-h264vsDFDB_First_Frame Foreman-42-DBOnlyvsDFDB

4. Stefan

QF = 32
H.264 vs. Proposed DF+DB DB only vs. Proposed DF+DB
Stefan-32-h264vsDFDB_First_Frame Stefan-32-DBOnlyvsDFDB
QF = 37
H.264 vs. Proposed DF+DB DB only vs. Proposed DF+DB
Stefan-37-h264vsDFDB_First_Frame Stefan-37-DBOnlyvsDFDB
QF = 42
H.264 vs. Proposed DF+DB DB only vs. Proposed DF+DB
Stefan-42-h264vsDFDB_First_Frame Stefan-42-DBOnlyvsDFDB

Reference

[1] A.W.-C. Liew and Hong Yan, “Blocking artifacts suppression in block-coded images using overcomplete wavelet representation,” IEEE Trans. Circuits Syst. Video Technol., vol. 14, no. 4, pp. 450–461, Apr. 2004.

[6] X. Li, W. Dong, and G. Shi, “Nonlocal image restoration with bilateral variance estimation: a low-rank approach,” IEEE Trans. Image Processing, vol. PP, no. 99, pp. 1, 2012.

[10] A. Foi, V. Katkovnik, and K. Egiazarian, “Pointwise shape-adaptive dct for high-quality denoising and deblocking of grayscale and color images,” IEEE Trans. Image Processing, vol. 16, no. 5, pp. 1395–1411, May 2007.