Noise estimation for blocking artifacts reduction in DCT coded images.
Jeonghun YangHyuk ChoiTaejeong KimPublished in: IEEE Trans. Circuits Syst. Video Technol. (2000)
Keyphrases
- blocking artifacts
- coded images
- discrete cosine transform
- image quality
- low bit rate
- post processing
- higher quality
- high frequency
- compressed images
- dct coefficients
- reconstructed image
- dct domain
- image compression
- block matching
- image quality assessment
- bit rate
- visual quality
- transform domain
- low frequency
- image reconstruction
- filter bank
- error concealment
- pixel values
- image segmentation
- human visual system
- denoising
- optical flow
- computational complexity