2021 IEEE International Conference on Image Processing

19-22 September 2021 • Anchorage, Alaska, USA

Imaging Without Borders

2021 IEEE International Conference on Image Processing

19-22 September 2021 • Anchorage, Alaska, USA

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Paper Detail

Paper IDTEC-1.10
Paper Title A SINGLE BACKLIT IMAGE ENHANCEMENT METHOD FOR IMPROVEMENT OF VISIBILITY OF DARK PART
Authors Masato Akai, Yamaguchi University, Japan; Yoshiaki Ueda, Fukuoka University, Japan; Takanori Koga, Kindai University, Japan; Noriaki Suetake, Yamaguchi University, Japan
SessionTEC-1: Restoration and Enhancement 1
LocationArea G
Session Time:Tuesday, 21 September, 13:30 - 15:00
Presentation Time:Tuesday, 21 September, 13:30 - 15:00
Presentation Poster
Topic Image and Video Processing: Restoration and enhancement
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Abstract This study proposes a simple and fast backlit image enhancement method that improves the visibility of dark parts. The proposed method uses gamma correction and histogram equalization to make an intensity-adjusted image and a contrast-enhanced image, respectively. Then, an alpha-blended image of the two images is obtained. Finally, an output image is obtained by fusing the original image and the blended image using alpha blending to avoid causing artifacts in bright parts. The weight for fusion is calculated by using Otsu's method and the guided filter. We verify the effectiveness of the proposed method through comparative experiments.