Evaluation of color differences in natural scene color images

B Ortiz-Jaramillo, A Kumcu, L Platisa… - Signal Processing: Image …, 2019 - Elsevier
Since there is a wide range of applications requiring image color difference (CD)
assessment (eg color quantization, color map**), a number of CD measures for images …

Content-aware contrast ratio measure for images

B Ortiz-Jaramillo, A Kumcu, L Platisa… - Signal Processing: Image …, 2018 - Elsevier
In image fidelity assessment it is often necessary to quantify the level of visibility between a
structure of interest or foreground and its surrounding background, ie, the contrast ratio …

Computing contrast ratio in images using local content information

B Ortiz-Jaramillo, A Kumcu, L Platisa… - 2015 20th Symposium …, 2015 - ieeexplore.ieee.org
It is well know that a measure of contrast in images is not yet fully defined. The conventional
measures of contrast consist of global computations and therefore they have a poor …

ifas: Image fidelity assessment

B Ortiz-Jaramillo, L Platisa, W Philips - … , CCIW 2017, Milan, Italy, March 29 …, 2017 - Springer
Abstract image Fidelity Assessment (iFAS) is a software tool designed to assist image quality
researchers providing easy access to a range of state-of-the-art measures which can be …

Interventional X-ray quality measure based on a psychovisual detectability model

A Kumcu, B Ortiz Jaramillo, L Platisa… - Medical Image …, 2015 - biblio.ugent.be
Methods The quality measure was built from two components:(1) a detectability function
which models the clinical task of target detection, consisting of a set of psychometric …