Detection of double compression in HEVC videos based on TU size and quantised DCT coefficients.
Qian LiRangding WangDawen XuPublished in: IET Inf. Secur. (2019)
Keyphrases
- dct coefficients
- jpeg images
- discrete cosine transform
- jpeg compressed images
- image compression
- dct domain
- discrete cosine transformation
- transform domain
- jpeg compression
- compressed domain
- image quality
- video sequences
- video frames
- block dct
- compression algorithm
- compression ratio
- image processing
- video coding standard
- image data
- feature vectors
- human visual system
- video data
- digital images
- lossy compression