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Underwater Image Rendering aims to generate a true-tolife underwater image from a given clean one, which could be applied to various practical applications such as underwater image enhancement, camera filter, and virtual gaming. We explore…

计算机视觉与模式识别 · 计算机科学 2022-04-26 Tian Ye , Sixiang Chen , Yun Liu , Yi Ye , Erkang Chen , Yuche Li

Over the past few decades, underwater image enhancement has attracted increasing amount of research effort due to its significance in underwater robotics and ocean engineering. Research has evolved from implementing physics-based solutions…

计算机视觉与模式识别 · 计算机科学 2021-01-07 Ankita Naik , Apurva Swarnakar , Kartik Mittal

The experimental results of improved underwater image enhancement algorithms based on partial differential equations (PDEs) are presented in this report. This second work extends the study of previous work and incorporating several…

计算机视觉与模式识别 · 计算机科学 2017-05-12 U. A. Nnolim

Image fusion aims to generate a high-quality image from multiple images captured under varying conditions. The key problem of this task is to preserve complementary information while filtering out irrelevant information for the fused…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Yuanshen Guan , Ruikang Xu , Mingde Yao , Lizhi Wang , Zhiwei Xiong

Seismic imaging from sparsely acquired data faces challenges such as low image quality, discontinuities, and migration swing artifacts. Existing convolutional neural network (CNN)-based methods struggle with complex feature distributions…

地球物理 · 物理学 2024-08-01 Xingchen Shi , Shijun Cheng , Weijian Mao , Wei Ouyang

Images captured underwater often suffer from suboptimal illumination settings that can hide important visual features, reducing their quality. We present a novel single-image low-light underwater image enhancer, L^2UWE, that builds on our…

计算机视觉与模式识别 · 计算机科学 2020-11-09 Tunai Porto Marques , Alexandra Branzan Albu

We propose a method that combines sparse depth (LiDAR) measurements with an intensity image and to produce a dense high-resolution depth image. As there are few, but accurate, depth measurements from the scene, our method infers the…

图像与视频处理 · 电气工程与系统科学 2019-11-01 Alireza Ahrabian , Joao F. C. Mota , Andrew M. Wallace

Depth acquisition, based on active illumination, is essential for autonomous and robotic navigation. LiDARs (Light Detection And Ranging) with mechanical, fixed, sampling templates are commonly used in today's autonomous vehicles. An…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Adam Wolff , Shachar Praisler , Ilya Tcenov , Guy Gilboa

Underwater image enhancement is an important low-level computer vision task for autonomous underwater vehicles and remotely operated vehicles to explore and understand the underwater environments. Recently, deep convolutional neural…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Hao-Hsiang Yang , Kuan-Chih Huang , Wei-Ting Chen

Recently, stereo vision based on lightweight RGBD cameras has been widely used in various fields. However, limited by the imaging principles, the commonly used RGB-D cameras based on TOF, structured light, or binocular vision acquire some…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Dongyue Chen , Tingxuan Huang , Zhimin Song , Shizhuo Deng , Tong Jia

Although low-light image enhancement has achieved great stride based on deep enhancement models, most of them mainly stress on enhancement performance via an elaborated black-box network and rarely explore the physical significance of…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Huake Wang , Xingsong Hou , Chengcu Liu , Kaibing Zhang , Xiangyong Cao , Xueming Qian

Images captured in challenging environments--such as nighttime, smoke, rainy weather, and underwater--often suffer from significant degradation, resulting in a substantial loss of visual quality. The effective restoration of these degraded…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Wenfeng Huang , Guoan Xu , Wenjing Jia , Stuart Perry , Guangwei Gao

Robust vision restoration of underwater images remains a challenge. Owing to the lack of well-matched underwater and in-air images, unsupervised methods based on the cyclic generative adversarial framework have been widely investigated in…

计算机视觉与模式识别 · 计算机科学 2023-10-10 Shuaizheng Yan , Xingyu Chen , Zhengxing Wu , Min Tan , Junzhi Yu

Underwater image enhancement (UIE) is a challenging task due to the complex degradation caused by underwater environments. To solve this issue, previous methods often idealize the degradation process, and neglect the impact of medium noise…

计算机视觉与模式识别 · 计算机科学 2024-02-09 Jingchun Zhou , Zongxin He , Qiuping Jiang , Kui Jiang , Xianping Fu , Xuelong Li

Underwater object detection is a crucial and challenging problem in marine engineering and aquatic robot. The difficulty is partly because of the degradation of underwater images caused by light selective absorption and scattering.…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Yudong Wang , Jichang Guo , Wanru He , Huan Gao , Huihui Yue , Zenan Zhang , Chongyi Li

Autonomous underwater navigation remains a challenging problem due to limited sensing capabilities and the difficulty of constructing accurate maps in underwater environments. In this paper, we propose a Diffusion-based Underwater Visual…

机器人学 · 计算机科学 2025-09-04 Jinghe Yang , Minh-Quan Le , Mingming Gong , Ye Pu

Object detection in urban scenarios is crucial for autonomous driving in intelligent traffic systems. However, unlike conventional object detection tasks, urban-scene images vary greatly in style. For example, images taken on sunny days…

计算机视觉与模式识别 · 计算机科学 2023-11-23 Lei Qi , Peng Dong , Tan Xiong , Hui Xue , Xin Geng

Underwater images play a crucial role in ocean research and marine environmental monitoring since they provide quality information about the ecosystem. However, the complex and remote nature of the environment results in poor image quality…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Nilesh Jain , Elie Alhajjar

Underwater object detection suffers from low detection performance because the distance and wavelength dependent imaging process yield evident image quality degradations such as haze-like effects, low visibility, and color distortions.…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Chenping Fu , Xin Fan , Jiewen Xiao , Wanqi Yuan , Risheng Liu , Zhongxuan Luo

Underwater images are often affected by light refraction and absorption, reducing visibility and interfering with subsequent applications. Existing underwater image enhancement methods primarily focus on improving visual quality while…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Zengxi Zhang , Zhiying Jiang , Long Ma , Jinyuan Liu , Xin Fan , Risheng Liu