Efficient copyright protection for three CT images based on quaternion polar harmonic Fourier moments.
Zhiqiu XiaXingyuan WangXiaoxiao LiChunpeng WangSalahuddin UnarMingxu WangTingting ZhaoPublished in: Signal Process. (2019)
Keyphrases
- ct images
- copyright protection
- fourier transform
- computed tomography
- medical images
- ct scans
- image reconstruction
- region of interest
- digital watermarking
- lung nodules
- medical imaging
- frequency domain
- multimedia data
- multimedia content
- watermarking scheme
- zernike moments
- treatment planning
- pet ct
- data analysis
- signal processing
- pattern recognition
- radon transform
- pulmonary nodules
- fracture detection