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Alternative TitleUnderwater Robot Visual Enhancements Based on the Improved DCP Algorithm
汤忠强; 周波; 戴先中; 谷海涛
Source Publication机器人
Indexed ByEI ; CSCD
EI Accession number20183005583487
Contribution Rank2
Funding Organization国家自然科学基金(61673254,61573100,61573101)
Keyword水下机器人 视觉增强 图像恢复 暗通道优先 颜色校正


Other Abstract

The visual enhancement problem of underwater robots is studied, and an image enhancement algorithm based on the improved dark channel prior (IDCP) algorithm is proposed to preprocess monocular vision images. Firstly, a degradation model of underwater image color slants and atomization phenomenon is developed. Then, the image of depth information is obtained through calculating the parallax between the brightness channel and the darkness channel to estimate the background color of the water accurately, and the corresponding transmission diagram is computed meanwhile. On this basis, the adaptive scaling factor selection strategy is adopted to postprocess the transmission diagram for the higher contrast image restoration effect. In addition, the color correction method is taken to remove residual color slants and enhance the overall brightness of the image. The experiment results in multiple underwater scenes show that the IDCP method can remove color slants and achieve visual enhancement with better resolution and brightness than the conventional ones.

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Document Type期刊论文
Corresponding Author周波
Recommended Citation
GB/T 7714
汤忠强,周波,戴先中,等. 基于改进DCP算法的水下机器人视觉增强[J]. 机器人,2018,40(2):222-230.
APA 汤忠强,周波,戴先中,&谷海涛.(2018).基于改进DCP算法的水下机器人视觉增强.机器人,40(2),222-230.
MLA 汤忠强,et al."基于改进DCP算法的水下机器人视觉增强".机器人 40.2(2018):222-230.
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