|
|
|
|
|
Fengxu Guan, Siqi Lu, Haitao Lai and Xue Du
Underwater optical imaging devices are often affected by the complex underwater environment and the characteristics of the water column, which leads to serious degradation and distortion of the images they capture. Deep learning-based underwater image en...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jarina Raihan A, Pg Emeroylariffion Abas and Liyanage C. De Silva
Underwater images are extremely sensitive to distortion occurring in an aquatic underwater environment, with absorption, scattering, polarization, diffraction and low natural light penetration representing common problems caused by sea water. Because of ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yu Ning, Yong-Ping Jin, You-Duo Peng and Jian Yan
Efficient underwater visual environment perception is the key to realizing the autonomous operation of underwater robots. Because of the complex and diverse underwater environment, the underwater images not only have different degrees of color cast but a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Rong Du, Weiwei Li, Shudong Chen, Congying Li and Yong Zhang
Underwater image enhancement recovers degraded underwater images to produce corresponding clear images. Image enhancement methods based on deep learning usually use paired data to train the model, while such paired data, e.g., the degraded images and the...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tianchi Zhang, Yong Gao, Zhiyong Wang and Mingjun Zhang
This paper studies the underwater image restoration problem in autonomous operation of AUV guided by underwater visual. An improved underwater image restoration method is developed based on multi-frame neighboring images under artificial light source. At...
ver más
|
|
|
|
|
|
|
|
|
|
|
Boyang Sun, Yupeng Mei, Ni Yan and Yingyi Chen
Due to light absorption and scattering underwater images suffer from low contrast, color distortion, blurred details, and uneven illumination, which affect underwater vision tasks and research. Therefore, underwater image enhancement is of great signific...
ver más
|
|
|
|
|
|
|
|
|
|
|
Pengfei Tang, Liangliang Li, Yuan Xue, Ming Lv, Zhenhong Jia and Hongbing Ma
In recent years, with the increasingly serious problems of resource shortage and environmental pollution, the exploration and development of underwater clean energy were particularly important. At the same time, abundant underwater resources and species ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Gaosheng Luo, Gang He, Zhe Jiang and Chuankun Luo
To address the phenomenon of color shift and low contrast in underwater images caused by wavelength- and distance-related attenuation and scattering when light propagates in water, we propose a method based on an attention mechanism and adversarial autoe...
ver más
|
|
|
|
|
|
|
|
|
|
|
Matej Fabijanic, Nadir Kapetanovic and Nikola Mi?kovic
The process of fish cage inspections, which is a necessary maintenance task at any fish farm, be it small-scale or industrial, is a task that has the potential to be fully automated. Replacing trained divers who perform regular inspections with autonomou...
ver más
|
|
|
|
|
|
|
|
|
|
|
Zeju Wu, Yang Ji, Lijun Song and Jianyuan Sun
To solve the problems of underwater image color deviation, low contrast, and blurred details, an algorithm based on color correction and detail enhancement is proposed. First, the improved nonlocal means denoising algorithm is used to denoise the underwa...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jarina Raihan Ahamed, Pg Emeroylariffion Abas, Liyanage Chandratilak De Silva
Pág. 195 - 205
The objective of this study is to convert normal aerial images into underwater images based on attenuation values for different water types by utilizing the image formation model (IFM) with Jerlov water types. Firstly, the depth values are derived from R...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yuanming Chen, Xiaobin Hong, Weiguo Chen, Huifang Wang and Tianhui Fan
The new way of offshore operation and maintenance based on unmanned ships has outstanding advantages. Aiming at the problem of lack of overall understanding of the complex environment above and under the water surface during the operation and maintenance...
ver más
|
|
|
|
|
|
|
|
|
|
|
Farong Gao, Kai Wang, Zhangyi Yang, Yejian Wang and Qizhong Zhang
In this study, an underwater image enhancement method based on local contrast correction (LCC) and multi-scale fusion is proposed to resolve low contrast and color distortion of underwater images. First, the original image is compensated using the red ch...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tao Sun, Yugui Tang and Zhen Zhang
The proposed method can be applied to the restoration for turbulence degraded video in nuclear power plant reactors, underwater target or aerial target monitoring, and surveillance of shallow riverbeds to observe vegetation.
|
|
|
|
|
|
|
|
|
|
|
Iman Abaspur Kazerouni, Gerard Dooly and Daniel Toal
Feature extraction and matching is a key component in image stitching and a critical step in advancing image reconstructions, machine vision and robotic perception algorithms. This paper presents a fast and robust underwater image mosaicking system based...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wenliang Qiu, Vikram Pakrashi and Bidisha Ghosh
Fishing net cleanliness plays a critical role for aquaculture industry as bio-fouled nets restrict the flow of water through the net leading to a build-up of toxins and reduced oxygen levels within the pen, thereby putting the fish under increased stress...
ver más
|
|
|
|
|
|
|
|
|
|
|
Teng Xue, Tianchi Zhang and Jing Zhang
Underwater images are crucial in various underwater applications, including marine engineering, underwater robotics, and subsea coral farming. However, obtaining paired data for these images is challenging due to factors such as light absorption and scat...
ver más
|
|
|
|
|
|
|
|
|
|
|
Changhong Liu, Jiawen Wen, Jinshan Huang, Weiren Lin, Bochun Wu, Ning Xie and Tao Zou
Underwater object detection is crucial in marine exploration, presenting a challenging problem in computer vision due to factors like light attenuation, scattering, and background interference. Existing underwater object detection models face challenges ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Rong Wang, Yonghui Zhang and Yulu Zhang
The absorption and scattering of light in water usually result in the degradation of underwater image quality, such as color distortion and low contrast. Additionally, the performance of acquisition devices may limit the spatial resolution of underwater ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jiawei Zhang, Fenglei Han, Duanfeng Han, Jianfeng Yang, Wangyuan Zhao and Hansheng Li
In the realm of ocean engineering and maintenance of subsea structures, accurate underwater distance quantification plays a crucial role. However, the precision of such measurements is often compromised in underwater environments due to backward scatteri...
ver más
|
|
|
|
|
|