Optimising the Choice of Colours of an Image Database for Dichromats

  title={Optimising the Choice of Colours of an Image Database for Dichromats},
  author={Vassili A. Kovalev and Maria Petrou},
Colour appears to gradually play more and more significant role in the modern digital world. However, about eight percent of the population are protanopic and deuteranopic viewers who have difficulties in seeing red and green respectively. In this paper, we identify a correspondence between the 256 standard colours and their dichromatic versions so that the perceived difference between any pair of colours seen by people with normal vision and dichromats is minimised. Colour dissimilarity is… 
Mining Dichromatic Colours from Video
A comparative study of colour contrast and characteristics of colour change between successive video frames for normal vision and two most common types of colour blindness: the protanopia and deuteranopia is presented.
A Hybrid Clustering-Based Approach to Color Modification of Art Paintings for Protanopes and Deuteranopes
The normal human color vision is trichromatic, and it originates from the comparison of the rates at which photons are absorbed by three types of photoreceptor cone-cells contained in the eye's
Individualized Models of Colour Differentiation through Situation-Specific Modelling
By modelling the colour differentiation abilities of a particular user in a particular environment, the ICD enables the extension of recolouring tools to helping most people with CVD, thereby reducing the difficulties that people withCVD experience when using colour in digital environments.
Recoloring Algorithms for Colorblind People
This survey mainly addresses recoloring algorithms toward still images for colorblind people, including the current trends in the field of color adaptation.
Image recoloring for color vision deficiency compensation: a survey
The evaluation metrics, both subjective and quantitative, introduced in the existing studies are summarized and compared and the state-of-the-art studies using the experimental evaluation results with the quantitative metrics are compared.
An embedded image processing device for color vision deficiency
  • Yu Ma, E. Wang, Yuanyuan Wang
  • Computer Science
    2011 4th International Conference on Biomedical Engineering and Informatics (BMEI)
  • 2011
To help people with color vision deficiency, an embedded color image processing device is proposed and designed and a prototype of portable instruments that help improve the color discrimination of color-deficient people are proposed.


Computerized simulation of color appearance for dichromats.
We propose an algorithm that transforms a digitized color image so as to simulate for normal observers the appearance of the image for people who have dichromatic forms of color blindness. The
Towards image retrieval for eight percent of color-blind men
  • V. Kovalev
  • Computer Science
    Proceedings of the 17th International Conference on Pattern Recognition, 2004. ICPR 2004.
  • 2004
The objective of this work was to investigate the problem of image retrieval based on color cooccurrence features when comparing normal vision and three kinds of color blindness (dichromasia): protanopia, deuterAnopia, and tritanopia.
Digital video colourmaps for checking the legibility of displays by dichromats
Replacement colourmaps that allow a designer to check the colours seen by protanopes and deu- teranopes are proposed, based on the LMS specification of the primaries of a standard video monitor.
Color-defective vision and computer graphics displays
A color space defined by the fundamental spectral sensitivity functions of the human visual system is used and specific guidelines are offered for the design of computer graphics displays that will accommodate almost all color-deficient users.
Color co-occurrence descriptors for querying-by-example
A novel method for image retrieval from large collections based on color co-occurrence descriptors that utilize compact representations of essential information of the visual image content that allows the combination of several images or subimages into a single query.
Content-Based Image Retrieval at the End of the Early Years
The working conditions of content-based retrieval: patterns of use, types of pictures, the role of semantics, and the sensory gap are discussed, as well as aspects of system engineering: databases, system architecture, and evaluation.
Temporal color correlograms for video retrieval
The efficiency of the temporal color correlogram and HSV color correlograms are evaluated against other retrieval systems participating the TREC video track evaluation and against color histograms used commonly in content-based retrieval.
Data Analysis and Graphics Using R: An Example-Based Approach
The book provides a clear and succinct explanation of the reasoning used to compute the number of simulation cycles required to estimate 1⁄2z, and examines a strategy of an estimator that is the sum of a function of the powers of the inclusion probabilities and uncorrelated residuals.
The New S Language
The eye of the beholder' -Designing for colour-blind users