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http://dx.doi.org/10.13067/JKIECS.2018.13.3.525

Contrast Enhancement Method for Images from Visual Sensors  

Park, Sang-Hyun (Dept. of Multimedia Engineering, Sunchon National University)
Publication Information
The Journal of the Korea institute of electronic communication sciences / v.13, no.3, 2018 , pp. 525-532 More about this Journal
Abstract
Recently, due to the advancements of sensor network technologies and camera technologies, there are increasing needs to effectively monitor the environment in a region that is difficult to access by using the visual sensor network that combines these two technologies. Since the image captured by the visual sensor reflects the natural phenomenon as it is, the quality of the image may deteriorate depending on the weather or time. In this paper, we propose an algorithm to improve the contrast of images using the characteristics of images obtained from visual sensors. In the proposed method, we first set the region of interest and then analyzes the change of the color value of the region of interest according to the brightness value of the image. The contrast of an image is improved by using the high contrast image of the same object and the analysis information. It is shown by experimental results that the proposed method improves the contrast of an image by restoring the color components of the low contrast image simply and accurately.
Keywords
Color Analysis; Contrast Enhancement; Image Processing; Visual Sensor Network;
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Times Cited By KSCI : 4  (Citation Analysis)
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