2011
DOI: 10.2352/j.imagingsci.technol.2011.55.4.040502
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Local Contrast Enhancement Based on Adaptive Multiscale Retinex Using Intensity Distribution of Input Image

Abstract: As the dynamic range of a digital camera is narrower than that of a real scene, the captured image requires a tone curve or contrast correction to reproduce the information in dark regions. Yet, when using a global correction method, such as histogrambased methods and gamma correction, an unintended contrast enhancement in bright regions can result. Thus, a multiscale retinex algorithm using Gaussian filters was already proposed to enhance the local contrast of a captured image using the ratio between the inte… Show more

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Cited by 17 publications
(5 citation statements)
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“…The used metrics are visual contrast measure (VCM) (Jang et al, 2011), blind pseudoreference image (BPRI) (Min et al, 2017), and blind reference-less image spatial quality evaluator (BRISQUE) (Mittal, Moorthy & Bovik, 2012). The VCM is a metric that utilizes local statistical methods to measure the visual contrast in an image.…”
Section: Resultsmentioning
confidence: 99%
“…The used metrics are visual contrast measure (VCM) (Jang et al, 2011), blind pseudoreference image (BPRI) (Min et al, 2017), and blind reference-less image spatial quality evaluator (BRISQUE) (Mittal, Moorthy & Bovik, 2012). The VCM is a metric that utilizes local statistical methods to measure the visual contrast in an image.…”
Section: Resultsmentioning
confidence: 99%
“…Thus, for local color matching, the local illuminants in the reference image and degraded image are estimated using the multi-scale retinex algorithm. [15][16][17][18] The estimated local illuminant in the degraded image is then compensated to match the estimated local illuminant in the reference image.…”
Section: Concept Of the Proposed Methodsmentioning
confidence: 99%
“…Jang et al [35] proposed a method to automatically adjust the parameters of the multi-scale retinex algorithm, so as to optimize the perceptual quality of the contrast-enhanced image. A measure of the contrast was obtained using local standarddeviations.…”
Section: A Existing Description and Measures Of Artifactsmentioning
confidence: 99%