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Seven challenges in image quality assessment: past, present, and future research
Image quality assessment (IQA) has been a topic of intense research over the last several
decades. With each year comes an increasing number of new IQA algorithms, extensions of …
decades. With each year comes an increasing number of new IQA algorithms, extensions of …
Analysis of public image and video databases for quality assessment
Databases of images or videos annotated with subjective ratings constitute essential ground
truth for training, testing, and benchmarking algorithms for objective quality assessment …
truth for training, testing, and benchmarking algorithms for objective quality assessment …
CID: IQ–a new image quality database
A large number of Image Quality (IQ) metrics have been developed over the last decades
and the number continues to grow. For development and evaluation of such metrics, IQ …
and the number continues to grow. For development and evaluation of such metrics, IQ …
Non-blind structure-preserving substitution watermarking of H. 264/CAVLC inter-frames
In this work we propose a novel non-blind H. 264/CAVLC structure-preserving substitution
watermarking algorithm. The proposed watermarking algorithm enables extremely efficient …
watermarking algorithm. The proposed watermarking algorithm enables extremely efficient …
[HTML][HTML] Identifying deficits of visual security metrics for images
H Hofbauer, A Uhl - Signal Processing: Image Communication, 2016 - Elsevier
Visual security metrics are deterministic measures with the (claimed) ability to assess
whether an encryption method for visual data does achieve its defined goal. These metrics …
whether an encryption method for visual data does achieve its defined goal. These metrics …
Low quality and recognition of image content
Assessment of visual encryption of video and image content requires a reliable estimation of
content recognizability and low quality. As pointed out in the literature, current methods are …
content recognizability and low quality. As pointed out in the literature, current methods are …
Spread spectrum image watermarking based on perceptual quality metric
Efficient image watermarking calls for full exploitation of the perceptual distortion constraint.
Second-order statistics of visual stimuli are regarded as critical features for perception. This …
Second-order statistics of visual stimuli are regarded as critical features for perception. This …
A bi-directional associative memory based multiple image watermarking on cover video
Telemedicine is a rapidly develo** application of clinical medicine where medical
information is transferred through the internet and other networks for the purpose of …
information is transferred through the internet and other networks for the purpose of …
[HTML][HTML] Quality and recognizability estimation video encryption database
In literature about selective encryption of image and video content, image quality indices are
usually used to gauge the degree of encryption. These methods have frequently been …
usually used to gauge the degree of encryption. These methods have frequently been …
An effective and efficient visual quality index based on local edge gradients
H Hofbauer, A Uhl - 3rd European Workshop on Visual …, 2011 - ieeexplore.ieee.org
The structural similarity index measure is a well known and widely used full reference visual
quality index. In this paper we introduce a new full reference visual quality index based on …
quality index. In this paper we introduce a new full reference visual quality index based on …