Markov Process Based Retrieval for Encrypted JPEG Images.
Hang ChengXinpeng ZhangJiang YuFengyong LiPublished in: ARES (2015)
Keyphrases
- markov process
- jpeg images
- markov chain
- stochastic process
- stationary distribution
- compressed images
- compression algorithm
- discrete cosine transform
- compressed domain
- jpeg compression
- dct coefficients
- transition probabilities
- spatial domain
- bayesian networks
- stochastic processes
- lossy compression
- random walk
- image quality
- edge detection