A visible watermarking algorithm based on the content and contrast aware (COCOA) technique
Journal of Visual Communication and Image Representation
Subjective evaluation of spatial resolution and quantization noise tradeoffs
IEEE Transactions on Image Processing
Quality assessment of digital television picture based on local feature matching
DSP'09 Proceedings of the 16th international conference on Digital Signal Processing
Analysis on the perceptual impact of bit errors in practical video streaming applications
IMSAA'09 Proceedings of the 3rd IEEE international conference on Internet multimedia services architecture and applications
Content-partitioned structural similarity index for image quality assessment
Image Communication
Evolutionary clustering based vector quantization and SPIHT coding for image compression
Pattern Recognition Letters
Video quality prediction using a 3D dual-tree complex wavelet structural similarity index
ICISP'10 Proceedings of the 4th international conference on Image and signal processing
Structural similarity image quality reliability
Signal Processing
High resolution 3-D MR image reconstruction from multiple views
Proceedings of the Eighth Indian Conference on Computer Vision, Graphics and Image Processing
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Perceptual image quality metrics have explicitly accounted for human visual system (HVS) sensitivity to subband noise by estimating just noticeable distortion (JND) thresholds. A recently proposed class of quality metrics, known as structural similarity metrics (SSIM), models perception implicitly by taking into account the fact that the HVS is adapted for extracting structural information from images. We evaluate SSIM metrics and compare their performance to traditional approaches in the context of realistic distortions that arise from compression and error concealment in video compression/transmission applications. In order to better explore this space of distortions, we propose models for simulating typical distortions encountered in such applications. We compare specific SSIM implementations both in the image space and the wavelet domain; these include the complex wavelet SSIM (CWSSIM), a translation-insensitive SSIM implementation. We also propose a perceptually weighted multiscale variant of CWSSIM, which introduces a viewing distance dependence and provides a natural way to unify the structural similarity approach with the traditional JND-based perceptual approaches.