A Robust Image Hashing with Enhanced Randomness by Using Random Walk on Zigzag Blocking.
Xi HuangXiaoguang LiuGang WangMing SuPublished in: Trustcom/BigDataSE/ISPA (2016)
Keyphrases
- random walk
- image features
- image content
- multiscale
- image classification
- image retrieval
- image segmentation
- markov random walk
- spectral methods
- markov chain
- energy function
- directed graph
- transition probabilities
- spatial information
- image collections
- graph laplacian
- constraint satisfaction problems
- transition probability matrix