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- W2370767594 abstract "Underwater video imaging is the key technology of ocean exploration, but the special circumstance of the seabed causes to some problems on image such as fuzzy details, and uneven illumination and other issues. An undersea video image enhancement algorithm based on dynamic range expansion was proposed in this paper, which can handle image over /under-exposed phenomenon caused by uneven illumination. Firstly, The algorithm constructed a mapping function to determine the over/under-exposed region of the input image. Then, calculated the dynamic range of the image and used the idle spaceto dynamic expanding for over/under-exposed region simultaneously. Finally, The processed image was converted to YCb Cr space to separate luminance channel for histogram equalization. The experiment results illustrate that the new method not only avoids unnatural results of image caused by traditional histogram equalization, but repairs missing pixel information, improves the clarity and details of image significantly." @default.
- W2370767594 created "2016-06-24" @default.
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- W2370767594 date "2015-01-01" @default.
- W2370767594 modified "2023-09-28" @default.
- W2370767594 title "Undersea video image enhancement algorithm based on dynamic range expansion" @default.
- W2370767594 hasPublicationYear "2015" @default.
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