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Bibliographic record number: 643780


Authors: Strgar Kurečić, Maja; Antonić, Davor; Vranjković, Ivana
Title: Custom colour reference target for chronic wound photography
Source: AIC Colour 2013 conference proceedings / MacDonald, Lindsay ; Westland, Stephen ; Wuerger, Sophie (ed). - Newcastle Upon Tyne : The Colour Group , 2013. 1353-1356 (ISBN: 978-0901623027).
Meeting: 12th Congress of the International Colour Association
Location and date: Newcastle Upon Tyne, Engleska, 08-12.07.2013.
Keywords: Medical photography; wound photography; wound care; colour tissue classification; custom colour reference target; colour reproduction; digital imaging
This paper addresses the problem of colour constancy in chronic wound photography. It investigates the possibilities of colour accurate digital imaging of chronic wounds and discussing the practical considerations for using digital images as reliable photo documentation and source for automated wound image analysis. The problem is how to achieve a consistent and accurate colour reproduction of wounds captured under realistic conditions with different digital cameras and various lighting conditions. In order for a wound images to be useful for clinical evaluation, they need to be colour calibrated and independent of camera settings and illumination. This device-independent colour reproduction can be achieved by means of a calibrated colour reference target. For this purpose a custom colour target was developed, used and tested. To evaluate the colour correction in real conditions, the custom target was captured together with the standard Macbeth ColorChecker during a patient examination in three different clinics. Validation of color correction by custom target was carried out by calculating the colour errors and comparing against the standard target. Another validation was performed by analyzing original wound images and images corrected using custom and standard colour reference target using application for wound image analysis and consulting clinician to compare results.
Type of meeting: Poster
Type of presentation in a journal: Full-text (1500 words and more)
Type of peer-review: International peer-review
Project / theme: 128-1281957-1958
Original language: ENG
Category: Znanstveni
Research fields:
Graphic technology
Contrib. to CROSBI by: Maja Strgar Kurečić (, 26. Ruj. 2013. u 13:55 sati

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