Encryption and decryption of informative image by key image using modified Hill cipher technique based on non-invertible matrices.
Bibhudendra AcharyaNikhil ThomasD. R. Kavin ArasuN. Vishnu PrasadPublished in: ICCCS (2011)
Keyphrases
- image features
- image analysis
- image data
- single image
- input image
- multiscale
- image retrieval
- low level
- template matching
- image representation
- segmentation method
- hough transform
- image classification
- image content
- test images
- lighting conditions
- image segmentation
- keypoints
- edge detection
- computer vision
- segmentation algorithm
- feature points
- image pixels
- image regions
- spatial information
- natural images
- image collections