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Accurate robotic manipulation of test tubes in biology and medical industries is becoming increasingly important to address workforce shortages and improve worker safety. The detection and localization of test tubes are essential for the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Hao Chen , Weiwei Wan , Masaki Matsushita , Takeyuki Kotaka , Kensuke Harada

Monocular depth estimation in endoscopy videos can enable assistive and robotic surgery to obtain better coverage of the organ and detection of various health issues. Despite promising progress on mainstream, natural image depth estimation,…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Akshay Paruchuri , Samuel Ehrenstein , Shuxian Wang , Inbar Fried , Stephen M. Pizer , Marc Niethammer , Roni Sengupta

In the field of computer- and robot-assisted minimally invasive surgery, enormous progress has been made in recent years based on the recognition of surgical instruments in endoscopic images and videos. In particular, the determination of…

Computer Vision and Pattern Recognition · Computer Science 2024-01-24 Tobias Rueckert , Daniel Rueckert , Christoph Palm

Robotic-assisted surgery allows surgeons to conduct precise surgical operations with stereo vision and flexible motor control. However, the lack of 3D spatial perception limits situational awareness during procedures and hinders mastering…

Image and Video Processing · Electrical Eng. & Systems 2022-03-07 Shang Zhao , Ce Wang , Qiyuan Wang , Yanzhe Liu , S Kevin Zhou

In the field of 3D medical imaging, accurately extracting and representing the blood vessels with curvilinear structures holds paramount importance for clinical diagnosis. Previous methods have commonly relied on discrete representation…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Ziwei Zhao , Zhixing Zhang , Yuhang Liu , Zhao Zhang , Haojun Yu , Dong Wang , Liwei Wang

Monocular absolute 3D fish pose estimation allows for efficient fish length measurement in the longline fisheries, where fishes are under severe deformation during the catching process. This task is challenging since it requires locating…

Computer Vision and Pattern Recognition · Computer Science 2021-02-10 Jie Mei , Jenq-Neng Hwang , Suzanne Romain , Craig Rose , Braden Moore , Kelsey Magrane

This paper proposes a novel learning-free three-stage method that predicts grasping poses, enabling robots to pick up and transfer previously unseen objects. Our method first identifies potential structures that can afford the action of…

Robotics · Computer Science 2024-08-14 Wanze Li , Wan Su , Gregory S. Chirikjian

In this work, we introduce a novel method for calculating the 6DoF pose of an object using a single RGB-D image. Unlike existing methods that either directly predict objects' poses or rely on sparse keypoints for pose recovery, our approach…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Zong-Wei Hong , Yen-Yang Hung , Chu-Song Chen

For applications in navigation and robotics, estimating the 3D pose of objects is as important as detection. Many approaches to pose estimation rely on detecting or tracking parts or keypoints [11, 21]. In this paper we build on a recent…

Computer Vision and Pattern Recognition · Computer Science 2016-09-20 Patrick Poirson , Phil Ammirato , Cheng-Yang Fu , Wei Liu , Jana Kosecka , Alexander C. Berg

Accurately estimating 3D hand pose is crucial for understanding how humans interact with the world. Despite remarkable progress, existing methods often struggle to generate plausible hand poses when the hand is heavily occluded or blurred.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Qichen Fu , Xingyu Liu , Ran Xu , Juan Carlos Niebles , Kris M. Kitani

Depth estimation is a foundational component for 3D reconstruction in minimally invasive endoscopic surgeries. However, existing monocular depth estimation techniques often exhibit limited performance to the varying illumination and complex…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Xinning Yao , Bo Liu , Bojian Li , Jingjing Wang , Jinghua Yue , Fugen Zhou

3D hand pose estimation from RGB images suffers from the difficulty of obtaining the depth information. Therefore, a great deal of attention has been spent on estimating 3D hand pose from 2D hand joints. In this paper, we leverage the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Tu Le-Xuan , Trung Tran-Quang , Thi Ngoc Hien Doan , Thanh-Hai Tran

Precisely measuring the three-dimensional position and orientation of individual fluorophores is challenging due to the substantial photon shot noise in single-molecule experiments. Facing this limited photon budget, numerous techniques…

Optics · Physics 2021-02-02 Oumeng Zhang , Matthew D. Lew

Accurate shape sensing, only achievable through distributed proprioception, is a key requirement for closed-loop control of soft robots. Low-cost power efficient optoelectronic sensors manufactured from flexible materials represent a…

Robotics · Computer Science 2025-02-07 Ellis Capp , Marco Pontin , Peter Walters , Perla Maiolino

Human pose and shape estimation from RGB images is a highly sought after alternative to marker-based motion capture, which is laborious, requires expensive equipment, and constrains capture to laboratory environments. Monocular vision-based…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Soyong Shin , Eni Halilaj

Robotic-assistive therapy has demonstrated very encouraging results for children with Autism. Accurate estimation of the child's pose is essential both for human-robot interaction and for therapy assessment purposes. Non-intrusive methods…

Robotics · Computer Science 2024-02-14 Laura Santos , Bernardo Carvalho , Catarina Barata , José Santos-Victor

Monocular depth estimation is critical for endoscopists to perform spatial perception and 3D navigation of surgical sites. However, most of the existing methods ignore the important geometric structural consistency, which inevitably leads…

Computer Vision and Pattern Recognition · Computer Science 2023-04-21 Yongming Yang , Shuwei Shao , Tao Yang , Peng Wang , Zhuo Yang , Chengdong Wu , Hao Liu

Object 6D pose estimation is an important research topic in the field of computer vision due to its wide application requirements and the challenges brought by complexity and changes in the real-world. We think fully exploring the…

Computer Vision and Pattern Recognition · Computer Science 2020-12-23 Weitong Hua , Jiaxin Guo , Yue Wang , Rong Xiong

In sports, such as alpine skiing, coaches would like to know the speed and various biomechanical variables of their athletes and competitors. Existing methods use either body-worn sensors, which are cumbersome to setup, or manual image…

Computer Vision and Pattern Recognition · Computer Science 2019-09-02 Roman Bachmann , Jörg Spörri , Pascal Fua , Helge Rhodin

6D pose estimation of textureless objects is a valuable but challenging task for many robotic applications. In this work, we propose a framework to address this challenge using only RGB images acquired from multiple viewpoints. The core…

Robotics · Computer Science 2023-02-23 Jun Yang , Wenjie Xue , Sahar Ghavidel , Steven L. Waslander