Keyphrases
- jpeg compression
- peak signal to noise ratio
- quantization step
- visual quality
- image quality
- digital images
- image authentication
- jpeg compressed images
- image watermarking
- jpeg images
- watermarking algorithm
- discrete wavelet transform
- dct coefficients
- watermarking scheme
- reconstructed image
- gaussian noise
- compressed images
- compression ratio
- bit rate
- video quality
- additive noise
- digital watermarking
- image data
- pattern recognition
- quality assessment
- maximum likelihood
- image compression