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 |
 |
 |
QF = 37 |
H.264 vs. Proposed DF+DB |
DB only vs. Proposed DF+DB |
|
|
QF = 42 |
H.264 vs. Proposed DF+DB |
DB only vs. Proposed DF+DB |
|
|
2. City
QF = 32 |
H.264 vs. Proposed DF+DB |
DB only vs. Proposed DF+DB |
 |
 |
QF = 37 |
H.264 vs. Proposed DF+DB |
DB only vs. Proposed DF+DB |
|
|
QF = 42 |
H.264 vs. Proposed DF+DB |
DB only vs. Proposed DF+DB |
|
|
3. Foreman
QF = 32 |
H.264 vs. Proposed DF+DB |
DB only vs. Proposed DF+DB |
 |
 |
QF = 37 |
H.264 vs. Proposed DF+DB |
DB only vs. Proposed DF+DB |
|
|
QF = 42 |
H.264 vs. Proposed DF+DB |
DB only vs. Proposed DF+DB |
|
|
4. Stefan
QF = 32 |
H.264 vs. Proposed DF+DB |
DB only vs. Proposed DF+DB |
 |
 |
QF = 37 |
H.264 vs. Proposed DF+DB |
DB only vs. Proposed DF+DB |
|
|
QF = 42 |
H.264 vs. Proposed DF+DB |
DB only vs. Proposed DF+DB |
|
|
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.