Laboratory Approbation of a New Approach for Contrast Enhancement of Human Face Thermal Image Based on Selective Multifunction Pixel Brightness Conversion Function

The paper suggests a new approach to improving the contrast of the thermal image of a person’s face in the deep infrared region. The approach involves the analysis and modification of the image histogram and is based on the use of a selective multivalued function for encoding the brightness of image...

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Bibliographic Details
Published in:Procedia computer science 2018, Vol.123, p.1-6
Main Authors: Alyushin, M.V., Alyushin, A.M., Kolobashkina, L.V.
Format: Article
Language:English
Subjects:
Histogram Modification
Improvement of Contrast
Informative Areas
Thermal image
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Summary:The paper suggests a new approach to improving the contrast of the thermal image of a person’s face in the deep infrared region. The approach involves the analysis and modification of the image histogram and is based on the use of a selective multivalued function for encoding the brightness of image pixels. The approach is focused on processing first of all thermal images of the person face, containing areas with various informativeness. The implementation of the approach in practice makes it possible to improve the contrast of the face image with preservation of all informative features regardless of the level of brightness of the corresponding pixels of the image.
ISSN:1877-0509
1877-0509
DOI:10.1016/j.procs.2018.01.001