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Most existing algorithms for depth estimation from single monocular images need large quantities of metric groundtruth depths for supervised learning. We show that relative depth can be an informative cue for metric depth estimation and can…

计算机视觉与模式识别 · 计算机科学 2019-07-12 Yuanzhouhan Cao , Tianqi Zhao , Ke Xian , Chunhua Shen , Zhiguo Cao , Shugong Xu

Multimodal synthetic data generation is crucial in domains such as autonomous driving, robotics, augmented/virtual reality, and retail. We propose a novel approach, GenMM, for jointly editing RGB videos and LiDAR scans by inserting…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Bharat Singh , Viveka Kulharia , Luyu Yang , Avinash Ravichandran , Ambrish Tyagi , Ashish Shrivastava

Estimating precise metric depth and scene reconstruction from monocular endoscopy is a fundamental task for surgical navigation in robotic surgery. However, traditional stereo matching adopts binocular images to perceive the depth…

机器人学 · 计算机科学 2022-11-29 Ruofeng Wei , Bin Li , Hangjie Mo , Fangxun Zhong , Yonghao Long , Qi Dou , Yun-Hui Liu , Dong Sun

Research on diffusion model-based video generation has advanced rapidly. However, limitations in object fidelity and generation length hinder its practical applications. Additionally, specific domains like animated wallpapers require…

计算机视觉与模式识别 · 计算机科学 2024-04-17 Fanyi Wang , Peng Liu , Haotian Hu , Dan Meng , Jingwen Su , Jinjin Xu , Yanhao Zhang , Xiaoming Ren , Zhiwang Zhang

Although both self-supervised single-frame and multi-frame depth estimation methods only require unlabeled monocular videos for training, the information they leverage varies because single-frame methods mainly rely on appearance-based…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Jie Xiang , Yun Wang , Lifeng An , Haiyang Liu , Jian Liu

Bokeh rendering and depth estimation share a fundamental optical connection, yet existing methods fail to fully exploit this reciprocity. Conventional bokeh pipelines rely heavily on noisy depth maps that inevitably introduce visual…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Hangwei Zhang , Armando Fortes , Tianyi Wei , Xingang Pan

Recent developments in generative diffusion models have turned many dreams into realities. For video object insertion, existing methods typically require additional information, such as a reference video or a 3D asset of the object, to…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Qi Zhao , Zhan Ma , Pan Zhou

Tracking dense 3D motion from monocular videos remains challenging, particularly when aiming for pixel-level precision over long sequences. We introduce DELTA, a novel method that efficiently tracks every pixel in 3D space, enabling…

计算机视觉与模式识别 · 计算机科学 2025-03-03 Tuan Duc Ngo , Peiye Zhuang , Chuang Gan , Evangelos Kalogerakis , Sergey Tulyakov , Hsin-Ying Lee , Chaoyang Wang

The ability to accurately estimate depth information is crucial for many autonomous applications to recognize the surrounded environment and predict the depth of important objects. One of the most recently used techniques is monocular depth…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Ahmed Zaitoon , Hossam El Din Abd El Munim , Hazem Abbas

Monocular depth estimation from RGB images plays a pivotal role in 3D vision. However, its accuracy can deteriorate in challenging environments such as nighttime or adverse weather conditions. While long-wave infrared cameras offer stable…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Jialei Xu , Xianming Liu , Junjun Jiang , Kui Jiang , Rui Li , Kai Cheng , Xiangyang Ji

Generating high-quality videos that synthesize desired realistic content is a challenging task due to their intricate high-dimensionality and complexity of videos. Several recent diffusion-based methods have shown comparable performance by…

计算机视觉与模式识别 · 计算机科学 2024-04-05 Kihong Kim , Haneol Lee , Jihye Park , Seyeon Kim , Kwanghee Lee , Seungryong Kim , Jaejun Yoo

Multi-frame depth estimation improves over single-frame approaches by also leveraging geometric relationships between images via feature matching, in addition to learning appearance-based features. In this paper we revisit feature matching…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Vitor Guizilini , Rares Ambrus , Dian Chen , Sergey Zakharov , Adrien Gaidon

Perceiving 3D information is of paramount importance in many applications of computer vision. Recent advances in monocular depth estimation have shown that gaining such knowledge from a single camera input is possible by training deep…

计算机视觉与模式识别 · 计算机科学 2021-10-28 Sai Shyam Chanduri , Zeeshan Khan Suri , Igor Vozniak , Christian Müller

Depth estimation is a fundamental task in computer vision with diverse applications. Recent advancements in deep learning have led to powerful depth foundation models (DFMs), yet their evaluation remains challenging due to inconsistencies…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Zhenyu Li , Haotong Lin , Jiashi Feng , Peter Wonka , Bingyi Kang

3D scene reconstruction is a long-standing vision task. Existing approaches can be categorized into geometry-based and learning-based methods. The former leverages multi-view geometry but can face catastrophic failures due to the reliance…

计算机视觉与模式识别 · 计算机科学 2023-08-11 Guangkai Xu , Wei Yin , Hao Chen , Chunhua Shen , Kai Cheng , Feng Zhao

Reconstructing 3D scenes from monocular surgical videos can enhance surgeon's perception and therefore plays a vital role in various computer-assisted surgery tasks. However, achieving scale-consistent reconstruction remains an open…

计算机视觉与模式识别 · 计算机科学 2025-04-07 Jiaxin Guo , Wenzhen Dong , Tianyu Huang , Hao Ding , Ziyi Wang , Haomin Kuang , Qi Dou , Yun-Hui Liu

A deep learning-based monocular depth estimation (MDE) technique is proposed for selection of most informative frames (key frames) of an endoscopic video. In most of the cases, ground truth depth maps of polyps are not readily available and…

计算机视觉与模式识别 · 计算机科学 2021-07-12 Pradipta Sasmal , Avinash Paul , M. K. Bhuyan , Yuji Iwahori

Reconstructing high-quality 3D models from sparse 2D images has garnered significant attention in computer vision. Recently, 3D Gaussian Splatting (3DGS) has gained prominence due to its explicit representation with efficient training speed…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Keng-Wei Chang , Zi-Ming Wang , Shang-Hong Lai

Predicting depth from a single image is an attractive research topic since it provides one more dimension of information to enable machines to better perceive the world. Recently, deep learning has emerged as an effective approach to…

计算机视觉与模式识别 · 计算机科学 2020-06-30 Jun Liu , Qing Li , Rui Cao , Wenming Tang , Guoping Qiu

Despite the advances in the field of generative models in computer vision, video stabilization still lacks a pure regressive deep-learning-based formulation. Deep video stabilization is generally formulated with the help of explicit motion…

计算机视觉与模式识别 · 计算机科学 2021-10-25 Muhammad Kashif Ali , Sangjoon Yu , Tae Hyun Kim