gamma correction


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gamma correction

n.
A correction to the contrast of images and displays, performed by either software or hardware, and designed to correct for the fact that the intensity displayed on a cathode-ray tube is not linearly related to the input voltage.
References in periodicals archive ?
The Hyperion has a proven track record for OLED white-point adjustment, gamma correction, flicker analysis and contrast measurements at major display and electronics manufacturers.
Gamma correction is an operator that controls the brightness of the entire scene and it is defined by the following expression:
A comprehensive settings menu allows for dynamic controls for gamma correction, edge enhancement, a 12-color matrix adjustment and other camera parameters to optimize the video display under a wide range of lighting conditions and target samples.
To address these problems, we propose a novel Gamma correction conditional space FCM(GcsFCM) algorithm in this paper.
After image loading, the mean intensity values of the original image have to be enhanced to the range of intensity from 0 to 1 based on gamma correction to provide useful image intensity details through adjustment of the gamma value [11].
"Image Quality Enhancement Using Pixel-wise Gamma Correction via SVM Classifier", International Journal of Engineering, Transaction B:Applications, 24(4): 301-312.
Therefore, we consider adding a Gamma correction operation on the reconstructed illumination back to the reconstructed reflectance image.
Among the topics are an analysis of operating characteristics of seven kinds of alternative refrigerants to R22 under low-temperature conditions, effects of solution treatment on the microstructure and properties of an aluminum alloy electrical round rod, some strategies and technologies applied in the competition of solar building design for rural housing in the Qinghai province of China, and hybrid gamma correction methods for flat panel display with fractal scan strategy.
Display functions include multiple windows, alpha blending, transparency, gamma correction, pseudo color expansion, mirror, and 180-degree rotation functions.
Gamma correction is performed to adjust the brightness of image.
ITU recommendation 709 [11] uses a linear slope below the level 8.1 % for gamma correction curve and can be used to relax the dimming resolution requirements down to 14 bits.
sandstorms and fog with custom filters including gamma correction and noise