DCT Based Approach for Tampered Image Detection and Recovery Using Block Wise Fragile Watermarking Scheme.
Shivendra ShivaniDurgesh SinghSuneeta AgarwalPublished in: IbPRIA (2013)
Keyphrases
- block wise
- image blocks
- fragile watermarking
- image data
- image authentication
- input image
- fragile watermarking scheme
- digital images
- multiscale
- image features
- image representation
- image segmentation
- jpeg images
- image regions
- pixel values
- discrete cosine transform
- edge detection
- clustering algorithm
- frequency domain
- transform domain
- high resolution
- similarity measure
- image sequences