An objective visual security assessment for cipher-images based on local entropy.
Jing SunZhengquan XuJin LiuYe YaoPublished in: Multim. Tools Appl. (2011)
Keyphrases
- visual appearance
- human visual
- image data
- image database
- visual data
- image features
- image registration
- three dimensional
- image retrieval
- image analysis
- ground truth
- visually similar
- edge detection
- image classification
- visual tasks
- visual environment
- input image
- observed scene
- low level
- image set
- web images
- human observers
- intrusion detection
- segmentation algorithm
- feature points
- network security
- image matching
- segmentation method
- object recognition
- similarity measure