Q-matrix Unaware Double JPEG Detection using DCT-Domain Deep BiLSTM Network.
Vinay VermaDeepak SinghNitin KhannaPublished in: CoRR (2021)
Keyphrases
- dct domain
- dct coefficients
- compressed domain
- watermark detection
- discrete cosine transform
- spatial domain
- transform domain
- post processing
- quantization step
- compressed images
- digital video
- human visual system
- low frequency
- jpeg images
- image resizing
- jpeg compressed images
- blocking artifacts
- video transcoding
- image blocks
- high frequency
- image quality
- jpeg compression
- video analysis
- motion vectors
- low bit rate
- watermarking algorithm
- wavelet domain
- preprocessing
- high quality