A Quality Improving Scheme for VQ Decompressed Image Based on DCT.
Yung-Chen ChouShu-Huan ChenMin-Rui HouPublished in: ICGEC (2014)
Keyphrases
- image compression
- compressed images
- high image quality
- vector quantization
- compression rate
- high quality
- compression ratio
- file size
- compression algorithm
- reconstructed image
- dct coefficients
- reduced complexity
- transform domain
- dct domain
- index table
- image coding
- discrete cosine transform
- image quality
- vector quantized
- higher quality
- transform coefficients
- reversible data embedding
- vector quantizer
- discrete cosine transformation
- data compression
- jpeg images
- spatial domain
- low bit rate
- image blocks
- lossless compression