Feature Extraction Suitable for Double JPEG Compression Analysis Based on Statistical Bias Observation of DCT Coefficients.
Daichi TakeshitaMinoru KuribayashiNobuo FunabikiPublished in: APSIPA ASC (2021)
Keyphrases
- jpeg compression
- dct coefficients
- feature extraction
- discrete cosine transform
- jpeg images
- feature vectors
- dct domain
- discrete wavelet transform
- watermarking algorithm
- image authentication
- pattern recognition
- watermarking scheme
- transform domain
- digital watermark
- compressed domain
- peak signal to noise ratio
- frequency domain
- image quality
- feature space
- preprocessing
- image sequences
- image processing