Printout verification using a new image hash algorithm based on Radon, Wavelet, and Fast Fourier transforms.
Paradorn AthichitsakulSuphakant PhimoltaresAtchara MahaweerawatPublished in: ICCSCE (2015)
Keyphrases
- fourier transform
- distance transform
- discrete fourier transform
- test images
- fast fourier transform
- lifting wavelet
- multiscale
- fourier analysis
- fourier domain
- signal processing
- image matching
- input image
- image segmentation
- edge detection
- correlation function
- similarity measure
- matching algorithm
- image features
- pattern recognition
- multiresolution
- computational complexity
- computer vision
- denoising methods
- radon transform
- high resolution
- image data
- hough transform
- neural network
- denoising