Partial Encryption on SPIHT Compressed Images.
Nidhi TanejaBalasubramanian RamanIndra GuptaPublished in: PReMI (2009)
Keyphrases
- compressed images
- image compression
- artifact reduction
- visual quality
- compression ratio
- bitstream
- discrete cosine transform
- dct domain
- compressed domain
- reconstructed image
- jpeg images
- compression algorithm
- subband
- image reconstruction
- bit rate
- multimedia
- lossless compression
- secret key
- preprocessing
- turbo codes
- high quality