Use of Gap-Filling Operation to Enhance Image Quality of Binary Image Watermarking.
Ryu EbisawaYasuhiro FujiiTakaaki YamadaSatoru TezukaIsao EchizenPublished in: IIH-MSP (2007)
Keyphrases
- image watermarking
- image quality
- lossy compression
- spread spectrum
- visual quality
- high quality
- compression ratio
- image data
- bit rate
- human visual system
- jpeg compression
- watermarking algorithm
- reconstructed image
- discrete wavelet transform
- quality assessment
- peak signal to noise ratio
- copyright protection
- digital watermarking
- image compression
- additive noise
- lossless compression
- natural images
- geometric distortions
- signal processing
- digital images
- watermark embedding