基于马尔可夫链模型的图像拼接篡改盲取证算法 (Forensic Method Based on Markov Chain Model for Splicing Images).
Jiang BuBin ZhengHaiyang ChenPublished in: 计算机科学 (2015)
Keyphrases
- markov chain
- markov model
- monte carlo simulation
- monte carlo method
- transition matrix
- statistical model
- mathematical model
- markov process
- segmentation method
- probabilistic model
- prior information
- parameter estimation
- steady state
- monte carlo
- gibbs sampling
- random fields
- objective function
- pairwise
- gaussian distribution
- genetic algorithm
- multispectral images
- markov chain monte carlo
- transition probabilities
- closed form
- em algorithm
- maximum likelihood estimation
- prior knowledge
- maximum likelihood
- bayesian inference
- machine learning
- gaussian model
- markov decision process
- stochastic process
- random walk
- gibbs sampler
- energy function