COLOUR CONTRAST ENHANCEMENT OF IMAGES BY NON-LINEAR COLOUR MAPPING

An image enhancement system and method for enhancing medical images from a surgical imaging system. Each image pixel has a value in a first three-dimensional colour space. A mapping of values in a subset of the first colour space is calculated to map each colour point in the subset to an enhanced va...

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Bibliographic Details
Main Authors Kuchnio Piotr, Sela Gal
Format Patent
LanguageEnglish
Published 15.02.2018
Subjects
CALCULATING
COMPUTING
COUNTING
IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
PHYSICS
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Summary:An image enhancement system and method for enhancing medical images from a surgical imaging system. Each image pixel has a value in a first three-dimensional colour space. A mapping of values in a subset of the first colour space is calculated to map each colour point in the subset to an enhanced value. The mapping is calculated by selecting a reference point in the subset and, for each colour point in the subset, mapping the colour point to a modified colour value offset from the reference point by the modified colour point vector that has the same direction as the colour point vector extending from the reference point to the colour point, but a greater magnitude. The mapping is applied to the pixel values in the medical image falling in the subset to produce an enhanced image.
Bibliography:Application Number: US201715797399