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相关论文: Bimodal Camera Pose Prediction for Endoscopy

200 篇论文

The 2D heatmap-based approaches have dominated Human Pose Estimation (HPE) for years due to high performance. However, the long-standing quantization error problem in the 2D heatmap-based methods leads to several well-known drawbacks: 1)…

计算机视觉与模式识别 · 计算机科学 2022-07-06 Yanjie Li , Sen Yang , Peidong Liu , Shoukui Zhang , Yunxiao Wang , Zhicheng Wang , Wankou Yang , Shu-Tao Xia

Deep learning based camera pose estimation from monocular camera images has seen a recent uptake in Visual SLAM research. Even though such pose estimation approaches have excellent results in small confined areas like offices and apartment…

机器人学 · 计算机科学 2021-05-17 Alphonsus Adu-Bredu , Noah Del Coro , Tianyi Liu

We propose SGLoc, a novel localization system that directly regresses camera poses from 3D Gaussian Splatting (3DGS) representation by leveraging semantic information. Our method utilizes the semantic relationship between 2D image and 3D…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Beining Xu , Siting Zhu , Hesheng Wang

Optical colonoscopy (OC), the most prevalent colon cancer screening tool, has a high miss rate due to a number of factors, including the geometry of the colon (haustral fold and sharp bends occlusions), endoscopist inexperience or fatigue,…

图像与视频处理 · 电气工程与系统科学 2021-06-24 Shawn Mathew , Saad Nadeem , Arie Kaufman

We propose Co-op, a novel method for accurately and robustly estimating the 6DoF pose of objects unseen during training from a single RGB image. Our method requires only the CAD model of the target object and can precisely estimate its pose…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Sungphill Moon , Hyeontae Son , Dongcheol Hur , Sangwook Kim

In this work we present a novel approach to joint semantic localisation and scene understanding. Our work is motivated by the need for localisation algorithms which not only predict 6-DoF camera pose but also simultaneously recognise…

计算机视觉与模式识别 · 计算机科学 2019-09-24 Ignas Budvytis , Marvin Teichmann , Tomas Vojir , Roberto Cipolla

Freehand 3D ultrasound (US) imaging using conventional 2D probes offers flexibility and accessibility for diverse clinical applications but faces challenges in accurate probe pose estimation. Traditional methods depend on costly tracking…

机器人学 · 计算机科学 2025-10-20 Yameng Zhang , Dianye Huang , Max Q. -H. Meng , Nassir Navab , Zhongliang Jiang

Our work addresses the problem of egocentric human pose estimation from downwards-facing cameras on head-mounted devices (HMD). This presents a challenging scenario, as parts of the body often fall outside of the image or are occluded.…

计算机视觉与模式识别 · 计算机科学 2024-01-29 Hanz Cuevas-Velasquez , Charlie Hewitt , Sadegh Aliakbarian , Tadas Baltrušaitis

Occlusions remain one of the key challenges in 3D body pose estimation from single-camera video sequences. Temporal consistency has been extensively used to mitigate their impact but the existing algorithms in the literature do not…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Soumava Kumar Roy , Ilia Badanin , Sina Honari , Pascal Fua

Multi-image spatial reasoning remains challenging for current multimodal large language models (MLLMs). While single-view perception is inherently 2D, reasoning over multiple views requires building a coherent scene understanding across…

计算机视觉与模式识别 · 计算机科学 2026-02-09 Xuejun Zhang , Aditi Tiwari , Zhenhailong Wang , Heng Ji

Accurate camera pose estimation is a fundamental requirement for numerous applications, such as autonomous driving, mobile robotics, and augmented reality. In this work, we address the problem of estimating the global 6 DoF camera pose from…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Mohammad Altillawi

While a great variety of 3D cameras have been introduced in recent years, most publicly available datasets for object recognition and pose estimation focus on one single camera. In this work, we present a dataset of 32 scenes that have been…

机器人学 · 计算机科学 2020-09-30 Till Grenzdörffer , Martin Günther , Joachim Hertzberg

We address the challenges in estimating 3D human poses from multiple views under occlusion and with limited overlapping views. We approach multi-view, single-person 3D human pose reconstruction as a regression problem and propose a novel…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Olivier Moliner , Sangxia Huang , Kalle Åström

Automated patient positioning can improve radiology workflow efficiency by reducing the time required for manual table adjustments and scout-based scan planning. We propose a learning-based framework that predicts 3D organ locations and…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Eytan Kats , Kai Geissler , Daniel Mensing , Julien Senegas , Jochen G. Hirsch , Stefan Heldman , Mattias P. Heinrich

Colonoscopic Polyp Re-Identification aims to match the same polyp from a large gallery with images from different views taken using different cameras, which plays an important role in the prevention and treatment of colorectal cancer in…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Suncheng Xiang , Jiale Guan , Shilun Cai , Jiacheng Ruan , Dahong Qian

Accurately estimating the 6D pose of objects is crucial for many applications, such as robotic grasping, autonomous driving, and augmented reality. However, this task becomes more challenging in poor lighting conditions or when dealing with…

计算机视觉与模式识别 · 计算机科学 2023-05-01 Zhujun Li , Ioannis Stamos

State-of-the-art research of traditional computer vision is increasingly leveraged in the surgical domain. A particular focus in computer-assisted surgery is to replace marker-based tracking systems for instrument localization with pure…

计算机视觉与模式识别 · 计算机科学 2025-04-11 Jonas Hein , Nicola Cavalcanti , Daniel Suter , Lukas Zingg , Fabio Carrillo , Lilian Calvet , Mazda Farshad , Marc Pollefeys , Nassir Navab , Philipp Fürnstahl

Registering images from different modalities is an active area of research in computer aided medical interventions. Several registration algorithms have been developed, many of which achieve high accuracy. However, these results are…

计算机视觉与模式识别 · 计算机科学 2018-06-29 Ayushi Sinha , Masaru Ishii , Russell H. Taylor , Gregory D. Hager , Austin Reiter

Recent advances in capsule endoscopy systems have introduced new methods and capabilities. The capsule endoscopy system, by observing the entire digestive tract, has significantly improved diagnosing gastrointestinal disorders and diseases.…

计算机视觉与模式识别 · 计算机科学 2018-02-23 Atefe Rajaeefar , Ali Emami , S. M. Reza Soroushmehr , Nader Karimi , Shadrokh Samavi , Kayvan Najarian

We introduce an approach for recovering the 6D pose of multiple known objects in a scene captured by a set of input images with unknown camera viewpoints. First, we present a single-view single-object 6D pose estimation method, which we use…

计算机视觉与模式识别 · 计算机科学 2020-08-20 Yann Labbé , Justin Carpentier , Mathieu Aubry , Josef Sivic