Frequency domain digital watermark recognition using image code sequences with a back-propagation neural network.
Chih-Ta YenYi-Jie HuangPublished in: Multim. Tools Appl. (2016)
Keyphrases
- frequency domain
- digital watermark
- discrete cosine transformation
- back propagation neural network
- spatial domain
- low frequency
- watermarked image
- image processing operations
- image data
- image classification
- geometric distortions
- feature extraction
- multiscale
- input image
- image processing
- denoising
- image segmentation
- watermark detection
- pixel values
- transform domain
- image compression
- similarity measure
- image watermarking
- jpeg compression
- edge detection
- gaussian noise
- principal component analysis
- digital watermarking
- high resolution
- wavelet domain
- high quality
- test images
- subband
- neural network