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Ziwei Yang, Chuanliang Wu, Junying Zhu, Xinxing Geng, Yaxing Liu, Yufang Zhang and Weiyan Duan
Coral reefs in Sanya Bay have been degrading in recent decades under climate change and human activities. To identify physiological changes of scleractinian corals and corresponding influencing factors, aquatic environmental factors and physiological par...
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Yufang Zhang, Changde Liu, Nan Zhang, Qian Ye and Weifeng Su
Focusing on dynamic positioning (DP) systems for ships, which are subject to environmental disturbances and actuator constraints, this paper presents a finite-time controller that uses a disturbance observer with the aid of a backstepping technique. Firs...
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Kun Yu, Yufeng Cheng, Longfei Li, Kaihua Zhang, Yanlei Liu and Yufang Liu
Underwater image restoration is a challenging problem because light is attenuated by absorption and scattering in water, which can degrade the underwater image. To restore the underwater image and improve its contrast and color saturation, a novel algori...
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Yufang Min and Yaonan Zhang
We propose a fast document image thresholding method (FADIT) and evaluations of the two classic methods for demonstrating the effectiveness of FADIT. We put forward two assumptions: (1) the probability of the occurrence of grayscale text and background i...
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Xiaobin Dong, Yufang Zhang, Weijia Cui, Bin Xun, Baohua Yu, Sergio Ulgiati and Xinshi Zhang
The emergy concept, integrated with a multi-objective linear programming method, was used to model the agricultural structure of Xinjiang Uygur Autonomous Region under the consideration of the need to develop a low-carbon economy. The em...
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