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Images captured underwater are often characterized by low contrast, color distortion, and noise. To address these visual degradations, we propose a novel scheme by constructing an adaptive color and contrast enhancement, and denoising…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Xinjie Li , Guojia Hou , Kunqian Li , Zhenkuan Pan

Underwater imaging is essential for marine exploration, environmental monitoring, and infrastructure inspection. However, water causes severe image degradation through wavelength-dependent absorption and scattering, resulting in color…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Md. Mahbub Hasan Akash , Aria Tasnim Mridula , Sheekar Banerjee , Ishtiak Al Mamoon

Underwater object detection (UOD) plays a significant role in aquaculture and marine environmental protection. Considering the challenges posed by low contrast and low-light conditions in underwater environments, several underwater image…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Linhui Dai , Hong Liu , Pinhao Song , Mengyuan Liu

Underwater image enhancement has become an attractive topic as a significant technology in marine engineering and aquatic robotics. However, the limited number of datasets and imperfect hand-crafted ground truth weaken its robustness to…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Di Wang , Long Ma , Risheng Liu , Xin Fan

Accurate image-based bathymetric mapping in shallow waters remains challenging due to the complex optical distortions such as wave induced patterns, scattering and sunglint, introduced by the dynamic water surface, the water column…

图像与视频处理 · 电气工程与系统科学 2025-11-12 Maximilian Kromer , Panagiotis Agrafiotis , Begüm Demir

Underwater image enhancement is such an important low-level vision task with many applications that numerous algorithms have been proposed in recent years. These algorithms developed upon various assumptions demonstrate successes from…

计算机视觉与模式识别 · 计算机科学 2019-03-07 Risheng Liu , Xin Fan , Ming Zhu , Minjun Hou , Zhongxuan Luo

Real-world text can be damaged by corrosion issues caused by environmental or human factors, which hinder the preservation of the complete styles of texts, e.g., texture and structure. These corrosion issues, such as graffiti signs and…

计算机视觉与模式识别 · 计算机科学 2024-08-02 Shipeng Zhu , Pengfei Fang , Chenjie Zhu , Zuoyan Zhao , Qiang Xu , Hui Xue

The underwater images usually suffers from non-uniform lighting, low contrast, blur and diminished colors. In this paper, we proposed an image based preprocessing technique to enhance the quality of the underwater images. The proposed…

计算机视觉与模式识别 · 计算机科学 2012-12-04 C. J. Prabhakar , P. U. Praveen Kumar

Accurate 3D reconstruction in degraded imaging conditions remains a key challenge in photogrammetry and neural rendering. In underwater environments, spatially varying visibility caused by scattering, attenuation, and sparse observations…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Zhuodong Jiang , Haoran Wang , Guoxi Huang , Brett Seymour , Nantheera Anantrasirichai

Underwater image restoration has been a challenging problem for decades since the advent of underwater photography. Most solutions focus on shallow water scenarios, where the scene is uniformly illuminated by the sunlight. However, the vast…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Yifan Song , Mengkun She , Kevin Köser

Underwater image quality is affected by fluorescence, low illumination, absorption, and scattering. Recent works in underwater image enhancement have proposed different deep network architectures to handle these problems. Most of these…

计算机视觉与模式识别 · 计算机科学 2024-06-28 Pranjali Singh , Prithwijit Guha

Underwater image restoration attracts significant attention due to its importance in unveiling the underwater world. This paper elaborates on a novel method that achieves state-of-the-art results for underwater image restoration based on…

计算机视觉与模式识别 · 计算机科学 2021-04-16 Junlin Han , Mehrdad Shoeiby , Tim Malthus , Elizabeth Botha , Janet Anstee , Saeed Anwar , Ran Wei , Lars Petersson , Mohammad Ali Armin

Despite their tremendous successes, convolutional neural networks (CNNs) incur high computational/storage costs and are vulnerable to adversarial perturbations. Recent works on robust model compression address these challenges by combining…

机器学习 · 计算机科学 2021-11-09 Hassan Dbouk , Naresh R. Shanbhag

Reconstructing high-fidelity underwater scenes remains a challenging task due to light absorption, scattering, and limited visibility inherent in aquatic environments. This paper presents an enhanced Gaussian Splatting-based framework that…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Zhuodong Jiang , Haoran Wang , Guoxi Huang , Brett Seymour , Nantheera Anantrasirichai

Representing underwater 3D scenes is a valuable yet complex task, as attenuation and scattering effects during underwater imaging significantly couple the information of the objects and the water. This coupling presents a significant…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Shaohua Liu , Junzhe Lu , Zuoya Gu , Jiajun Li , Yue Deng

Underwater pipelines are highly susceptible to corrosion, which not only shorten their service life but also pose significant safety risks. Compared with manual inspection, the intelligent real-time imaging system for underwater pipeline…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Qinghan Hu , Haijiang Zhu , Na Sun , Lei Chen , Zhengqiang Fan , Zhiqing Li

Underwater visual imaging is crucial for marine engineering, but it suffers from low contrast, blurriness, and color degradation, which hinders downstream analysis. Existing underwater image enhancement methods often treat the haze and…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Chengqin Wu , Shuai Yu , Tuyan Luo , Qiuhua Rao , Qingson Hu , Jingxiang Xu , Lijun Zhang

Diffusion Probabilistic Models (DPMs) have recently been employed for image deblurring, formulated as an image-conditioned generation process that maps Gaussian noise to the high-quality image, conditioned on the blurry input.…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Mengwei Ren , Mauricio Delbracio , Hossein Talebi , Guido Gerig , Peyman Milanfar

Depth estimation from a single underwater image is one of the most challenging problems and is highly ill-posed. Due to the absence of large generalized underwater depth datasets and the difficulty in obtaining ground truth depth-maps,…

计算机视觉与模式识别 · 计算机科学 2019-05-29 Honey Gupta , Kaushik Mitra

We present a novel framework for enhancing the visual fidelity and consistency of text-guided 3D Gaussian Splatting (3DGS) editing. Existing editing approaches face two critical challenges: inconsistent geometric reconstructions across…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Xuanqi Zhang , Jieun Lee , Chris Joslin , Wonsook Lee