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Depth estimation is critical for any robotic system. In the past years estimation of depth from monocular images have shown great improvement, however, in the underwater environment results are still lagging behind due to appearance changes…

计算机视觉与模式识别 · 计算机科学 2022-10-10 Shlomi Amitai , Itzik Klein , Tali Treibitz

Underwater images are often affected by complex degradations such as light absorption, scattering, color casts, and artifacts, making enhancement critical for effective object detection, recognition, and scene understanding in aquatic…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Afrah Shaahid , Muzammil Behzad

We formulate monocular depth estimation using denoising diffusion models, inspired by their recent successes in high fidelity image generation. To that end, we introduce innovations to address problems arising due to noisy, incomplete depth…

计算机视觉与模式识别 · 计算机科学 2023-03-01 Saurabh Saxena , Abhishek Kar , Mohammad Norouzi , David J. Fleet

Recently, learning-based algorithms have shown impressive performance in underwater image enhancement. Most of them resort to training on synthetic data and achieve outstanding performance. However, these methods ignore the significant…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Zhengyong Wang , Liquan Shen , Mei Yu , Kun Wang , Yufei Lin , Mai Xu

Due to the high potential for abuse of GenAI systems, the task of detecting synthetic images has recently become of great interest to the research community. Unfortunately, existing image-space detectors quickly become obsolete as new…

计算机视觉与模式识别 · 计算机科学 2024-06-14 George Cazenavette , Avneesh Sud , Thomas Leung , Ben Usman

Monocular depth estimation is critical for applications such as autonomous driving and scene reconstruction. While existing methods perform well under normal scenarios, their performance declines in adverse weather, due to challenging…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Kui Jiang , Jing Cao , Zhaocheng Yu , Junjun Jiang , Jingchun Zhou

Monocular depth estimation is a fundamental computer vision task. Recovering 3D depth from a single image is geometrically ill-posed and requires scene understanding, so it is not surprising that the rise of deep learning has led to a…

计算机视觉与模式识别 · 计算机科学 2024-04-04 Bingxin Ke , Anton Obukhov , Shengyu Huang , Nando Metzger , Rodrigo Caye Daudt , Konrad Schindler

Diffusion-based approaches have recently demonstrated strong performance for single-image novel view synthesis by conditioning generative models on geometry inferred from monocular depth estimation. However, in practice, the quality and…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Amirhosein Javadi , Chi-Shiang Gau , Konstantinos D. Polyzos , Tara Javidi

Learning based methods have shown very promising results for the task of depth estimation in single images. However, most existing approaches treat depth prediction as a supervised regression problem and as a result, require vast quantities…

计算机视觉与模式识别 · 计算机科学 2017-04-14 Clément Godard , Oisin Mac Aodha , Gabriel J. Brostow

Recent work showed that large diffusion models can be reused as highly precise monocular depth estimators by casting depth estimation as an image-conditional image generation task. While the proposed model achieved state-of-the-art results,…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Gonzalo Martin Garcia , Karim Knaebel , Christian Schmidt , Daan de Geus , Alexander Hermans , Bastian Leibe

This work addresses the task of zero-shot monocular depth estimation. A recent advance in this field has been the idea of utilising Text-to-Image foundation models, such as Stable Diffusion. Foundation models provide a rich and generic…

计算机视觉与模式识别 · 计算机科学 2024-09-17 Denis Zavadski , Damjan Kalšan , Carsten Rother

While perspective is a well-studied topic in art, it is generally taken for granted in images. However, for the recent wave of high-quality image synthesis methods such as latent diffusion models, perspective accuracy is not an explicit…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Rishi Upadhyay , Howard Zhang , Yunhao Ba , Ethan Yang , Blake Gella , Sicheng Jiang , Alex Wong , Achuta Kadambi

Over the past few years, self-supervised monocular depth estimation that does not depend on ground-truth during the training phase has received widespread attention. Most efforts focus on designing different types of network architectures…

计算机视觉与模式识别 · 计算机科学 2023-11-14 Shuwei Shao , Zhongcai Pei , Weihai Chen , Dingchi Sun , Peter C. Y. Chen , Zhengguo Li

Activities in underwater environments are paramount in several scenarios, which drives the continuous development of underwater image enhancement techniques. A major challenge in this domain is the depth at which images are captured, with…

This work addresses the challenge of high-quality surface normal estimation from monocular colored inputs (i.e., images and videos), a field which has recently been revolutionized by repurposing diffusion priors. However, previous attempts…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Chongjie Ye , Lingteng Qiu , Xiaodong Gu , Qi Zuo , Yushuang Wu , Zilong Dong , Liefeng Bo , Yuliang Xiu , Xiaoguang Han

Despite recent advances in stereo matching, the extension to intricate underwater settings remains unexplored, primarily owing to: 1) the reduced visibility, low contrast, and other adverse effects of underwater images; 2) the difficulty in…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Qingxuan Lv , Junyu Dong , Yuezun Li , Sheng Chen , Hui Yu , Shu Zhang , Wenhan Wang

Background: Underwater images, in general, suffer from low contrast and high color distortions due to the non-uniform attenuation of the light as it propagates through the water. In addition, the degree of attenuation varies with the…

图像与视频处理 · 电气工程与系统科学 2022-01-20 Prasen Kumar Sharma , Ira Bisht , Arijit Sur

Underwater environments pose significant challenges due to the selective absorption and scattering of light by water, which affects image clarity, contrast, and color fidelity. To overcome these, we introduce OceanLens, a method that models…

图像与视频处理 · 电气工程与系统科学 2024-11-21 Rajini Makam , Dhatri Shankari T M , Sharanya Patil , Suresh Sundram

Underwater images typically suffer from severe colour distortions, low visibility, and reduced structural clarity due to complex optical effects such as scattering and absorption, which greatly degrade their visual quality and limit the…

计算机视觉与模式识别 · 计算机科学 2025-07-31 Chang Huang , Jiahang Cao , Jun Ma , Kieren Yu , Cong Li , Huayong Yang , Kaishun Wu

Unsupervised monocular depth estimation has received widespread attention because of its capability to train without ground truth. In real-world scenarios, the images may be blurry or noisy due to the influence of weather conditions and…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Runze Liu , Dongchen Zhu , Guanghui Zhang , Yue Xu , Wenjun Shi , Xiaolin Zhang , Lei Wang , Jiamao Li