Image quality assessment of fast fourier transform domain watermarked images
Digital watermarking is the processing of embedding digital signature into the host media such as image, video, text, audio etc. During the watermarking process, images are subjected to variety of attacks such as noise in transmission channel, geometric attacks,compression, processing like filtering...
| Main Authors: | , , , |
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| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
2009
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| Subjects: | |
| Online Access: | http://irep.iium.edu.my/18464/ http://irep.iium.edu.my/18464/ http://irep.iium.edu.my/18464/4/Image_Quality_Assessment_of_Fast_Fourier_Transform.pdf |
| Summary: | Digital watermarking is the processing of embedding digital signature into the host media such as image, video, text, audio etc. During the watermarking process, images are subjected to variety of attacks such as noise in transmission channel, geometric attacks,compression, processing like filtering, etc, all this affect the
visual quality of watermarked image. Thus, there is a need
for image quality assessment of watermarked images in
relation to the original images. Several measures of image
metrics are available in the field of image processing
however they are application based. This paper discusses
watermarking in FFT domain and some of the image quality
metric that can be applied. Experiments are conducted using
the Full Reference (FR) images. We used Mean Square
Error (MSE), Root Mean Square (RMS), Structural
Similarity (SSIM), Image Fidelity Measure (IFM),
Correlation Coefficient Index (CCI) and Peak Signal to
Noise Ratio (PSNR) as our quality assessment. Result shows
that CCI, SSIM, and IFM are most appropriate for
measuring quality of watermarking system. |
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