Detecting Resized JPEG Images by Analyzing High Frequency Elements in DCT Coefficients.
Toshihiko YamasakiTomoaki MatsunamiKiyoharu AizawaPublished in: IIH-MSP (2010)
Keyphrases
- high frequency
- dct coefficients
- jpeg images
- low frequency
- compressed images
- visual quality
- dct domain
- jpeg compression
- discrete cosine transform
- wavelet transform
- high resolution
- subband
- discrete wavelet transform
- frequency domain
- wavelet coefficients
- compression algorithm
- wavelet domain
- image compression
- blocking artifacts
- compressed domain
- feature vectors
- human visual system
- transform domain
- digital images