Robust Image Hashing for Detecting Small Tampering Using a Hyperrectangular Region.
Toshiki ItagakiYuki FunabikiToru AkishitaPublished in: WIFS (2021)
Keyphrases
- input image
- image data
- region of interest
- image noise
- image regions
- robust watermarking scheme
- image content
- grey level
- image pixels
- tamper detection
- adjacent regions
- image features
- image representation
- homogeneous regions
- multiscale
- image structure
- image collections
- region segmentation
- single image
- segmentation algorithm
- feature points
- segmented images
- image classification
- boundary information
- region detection
- image retrieval
- geometric distortions
- reverse engineering
- edge map
- partial occlusion
- foreground and background
- segmentation method
- test images
- tampering detection
- image authentication
- face recognition
- forgery detection
- semi fragile
- gradient information
- jpeg images
- binary codes
- watermarking technique
- feature descriptors
- pixel values
- image matching
- edge detection
- digital images
- high resolution