Title :
Blockiness detection for MPEG2-coded video
Author :
Tan, K.T. ; Ghanbari, Mohammed
Author_Institution :
Dept. of Electron. Syst. Eng., Essex Univ., Colchester, UK
Abstract :
Using both the amplitude and phase information of the harmonics generated by block artefacts in MPEG2 coded video, it is possible to estimate the blockiness in MPEG2 coded video accurately without the reference signal, achieving correlation of 0.88.
Keywords :
harmonic analysis; video coding; MPEG2-coded video; amplitude information; block artefacts; blockiness detection; correlation; harmonics; phase information; Amplitude estimation; Context modeling; Discrete cosine transforms; Distortion measurement; Feedback; Frequency domain analysis; Harmonic analysis; Harmonic distortion; Phase estimation; Signal generators;
Journal_Title :
Signal Processing Letters, IEEE
