A new image enhancement method considering both dynamic range and color constancy

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HASSANPOUR H.; SAMADIANI N.

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Journal Paper

Paper Information

Journal: Scientia Iranica Year:2019 | Volume:26 | Issue:3 (Transactions D: Computer Science and Engineering and Electrical Engineering) Page(s): 1589-1600

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Information Journal Paper

Title

A new image enhancement method considering both dynamic range and color constancy

Author(s)

HASSANPOUR H. | SAMADIANI N. | Issue Writer Certificate

Keywords

Image enhancement

Histogram matching

Similarity measure

Histogram stretching

Abstract

This paper proposes an approach to improving color images su ering from low dynamic range by employing both Histogram matching and Histogram stretching techniques. In the rst stage, the color image was transformed from RGB into HSV color space, in which the color information was separated from intensity. Then, an appropriate reference image was selected by comparing component V of the enhanced image with component V of the database images using a Similarity measure. The selected image was used as the target image in Histogram matching algorithm for enhancement. In the second stage, components V and S were linearly stretched in order to recover the image color information. Finally, using the treated V and S components and untreated component of H, the enhanced image was obtained in RGB color space by inverse transform. The qualitative and quantitative results showed that the contrast and color of the resultant image were greatly improved using the proposed method, which outperformed the current state-of-the-art methods.

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APA: Copy

HASSANPOUR, H., & SAMADIANI, N.. (2019). A new image enhancement method considering both dynamic range and color constancy. SCIENTIA IRANICA, 26(3 (Transactions D: Computer Science and Engineering and Electrical Engineering)), 1589-1600. SID. https://sid.ir/paper/290646/en

Vancouver: Copy

HASSANPOUR H., SAMADIANI N.. A new image enhancement method considering both dynamic range and color constancy. SCIENTIA IRANICA[Internet]. 2019;26(3 (Transactions D: Computer Science and Engineering and Electrical Engineering)):1589-1600. Available from: https://sid.ir/paper/290646/en

IEEE: Copy

H. HASSANPOUR, and N. SAMADIANI, “A new image enhancement method considering both dynamic range and color constancy,” SCIENTIA IRANICA, vol. 26, no. 3 (Transactions D: Computer Science and Engineering and Electrical Engineering), pp. 1589–1600, 2019, [Online]. Available: https://sid.ir/paper/290646/en

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