A Visual Cryptographic Technicque for Chromatic Images Using Multi-Pixel Encoding Method.
Young-Chang HouShu-Fen TuPublished in: J. Res. Pract. Inf. Technol. (2005)
Keyphrases
- test images
- input image
- image database
- segmentation method
- pixel values
- gray value
- gray level images
- similarity measure
- region of interest
- three dimensional
- image set
- segmentation algorithm
- web images
- image pixels
- synthetic and real images
- visual information
- intensity values
- ccd camera
- preprocessing stage
- image classification
- edge detection
- image features
- object recognition
- image regions
- image quality
- image compression
- medical images
- pixel level
- pixel wise
- visual appearance
- image data
- image retrieval
- edge pixels
- binary patterns
- image sequences