DCT-Based Compressed Image with Reversibility Using Modified Quantization.
Chi-Yao WengCheng-Ta HuangHung-Wei KaoPublished in: IIH-MSP (1) (2017)
Keyphrases
- compressed images
- image compression
- discrete cosine transform
- blocking artifacts
- quantization noise
- dct domain
- reconstructed image
- dct coefficients
- jpeg compressed images
- image coder
- transform coefficients
- compression ratio
- visual quality
- jpeg images
- compression algorithm
- post processing
- transform domain
- image resizing
- image quality
- bitstream
- image processing
- higher quality
- wavelet transform
- motion compensated
- lossless compression
- compressed domain
- filter bank
- subband
- peak signal to noise ratio
- spatial domain
- image reconstruction
- high frequency
- bit rate
- ground truth