Multi-scale segmentation strategies in PRNU-based image tampering localization.
Weiwei ZhangXinhua TangZhenghong YangShaozhang NiuPublished in: Multim. Tools Appl. (2019)
Keyphrases
- multiscale
- image segmentation
- edge detection
- multiple scales
- segmentation method
- image representation
- segmentation algorithm
- image analysis
- image regions
- intrinsic characteristics
- tampering detection
- test images
- natural images
- input image
- image processing
- image data
- image features
- wavelet coefficients
- gray level images
- level set
- wavelet transform
- digital images
- medical images
- scale space
- image fusion
- pixel values
- low frequency
- frequency domain
- spread spectrum
- segmentation scheme
- accurate localization
- tamper detection