In-camera JPEG compression detection for doubly compressed images.
Rong ZhangRangding WangPublished in: Multim. Tools Appl. (2015)
Keyphrases
- compressed images
- jpeg compression
- jpeg images
- peak signal to noise ratio
- dct coefficients
- visual quality
- discrete cosine transform
- image compression
- dct domain
- watermarking algorithm
- image quality
- compression ratio
- watermarking scheme
- discrete wavelet transform
- digital images
- gaussian noise
- compressed domain
- reconstructed image
- additive noise
- video quality
- video camera
- bitstream
- bit rate