Seven challenges in image quality assessment: past, present, and future research

DM Chandler - International Scholarly Research Notices, 2013‏ - Wiley Online Library
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 …

Analysis of public image and video databases for quality assessment

S Winkler - IEEE Journal of Selected Topics in Signal …, 2012‏ - ieeexplore.ieee.org
Databases of images or videos annotated with subjective ratings constitute essential ground
truth for training, testing, and benchmarking algorithms for objective quality assessment …

CID: IQ–a new image quality database

X Liu, M Pedersen, JY Hardeberg - … , Cherbourg, France, June 30–July 2 …, 2014‏ - Springer
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 …

Non-blind structure-preserving substitution watermarking of H. 264/CAVLC inter-frames

T Stütz, F Autrusseau, A Uhl - IEEE Transactions on Multimedia, 2014‏ - ieeexplore.ieee.org
In this work we propose a novel non-blind H. 264/CAVLC structure-preserving substitution
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 …

Low quality and recognition of image content

H Hofbauer, F Autrusseau, A Uhl - IEEE Transactions on …, 2021‏ - ieeexplore.ieee.org
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 …

Spread spectrum image watermarking based on perceptual quality metric

F Zhang, W Liu, W Lin, KN Ngan - IEEE transactions on image …, 2011‏ - ieeexplore.ieee.org
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 …

A bi-directional associative memory based multiple image watermarking on cover video

L Agilandeeswari, K Ganesan - Multimedia Tools and Applications, 2016‏ - Springer
Telemedicine is a rapidly develo** application of clinical medicine where medical
information is transferred through the internet and other networks for the purpose of …

[HTML][HTML] Quality and recognizability estimation video encryption database

H Hofbauer, F Autrusseau, A Uhl - Information Sciences, 2024‏ - Elsevier
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 …

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 …