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The use of Augmented Reality (AR) devices for surgical guidance has gained increasing traction in the medical field. Traditional registration methods often rely on external fiducial markers to achieve high accuracy and real-time…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Yue Yang , Christoph Leuze , Brian Hargreaves , Bruce Daniel , Fred Baik

Traditional control and task automation have been successfully demonstrated in a variety of structured, controlled environments through the use of highly specialized modeled robotic systems in conjunction with multiple sensors. However, the…

Robotics · Computer Science 2020-02-20 Yang Li , Florian Richter , Jingpei Lu , Emily K. Funk , Ryan K. Orosco , Jianke Zhu , Michael C. Yip

We present an online approach to efficiently and simultaneously detect and track the 2D pose of multiple people in a video sequence. We build upon Part Affinity Field (PAF) representation designed for static images, and propose an…

Computer Vision and Pattern Recognition · Computer Science 2019-06-14 Yaadhav Raaj , Haroon Idrees , Gines Hidalgo , Yaser Sheikh

We introduce SAM3D, a new approach to semi-automatic zero-shot segmentation of 3D images building on the existing Segment Anything Model. We achieve fast and accurate segmentations in 3D images with a four-step strategy involving: user…

Image and Video Processing · Electrical Eng. & Systems 2024-08-09 Trevor J. Chan , Aarush Sahni , Yijin Fang , Jie Li , Alisha Luthra , Alison Pouch , Chamith S. Rajapakse

We propose a novel technique to register sparse 3D scans in the absence of texture. While existing methods such as KinectFusion or Iterative Closest Points (ICP) heavily rely on dense point clouds, this task is particularly challenging…

Computer Vision and Pattern Recognition · Computer Science 2020-10-13 Siddhant Ranade , Xin Yu , Shantnu Kakkar , Pedro Miraldo , Srikumar Ramalingam

Objective: The objective of this work is an attempt towards non-contact freehand 3D ultrasound imaging with minimal complexity added to the existing point of care ultrasound (POCUS) systems. Methods: This study proposes a novel approach of…

Image and Video Processing · Electrical Eng. & Systems 2023-10-09 Antony Jerald , A. N. Madhavanunni , Gayathri Malamal , Mahesh Raveendranatha Panicker

The last several years have seen significant progress in using depth cameras for tracking articulated objects such as human bodies, hands, and robotic manipulators. Most approaches focus on tracking skeletal parameters of a fixed shape…

Computer Vision and Pattern Recognition · Computer Science 2017-11-23 Aaron Walsman , Weilin Wan , Tanner Schmidt , Dieter Fox

Precise object boundary detection for automatic image segmentation is critical for image analysis, including that used in computer-aided diagnosis. However, such detection traditionally uses active contour or snake models requiring accurate…

Image and Video Processing · Electrical Eng. & Systems 2021-06-14 Sinan Onal , Xin Chen , Madagedara Maduka Balasooriya

Accurate shape reconstruction is essential for precise control and reliable operation of soft robots. Compared to sensor-based approaches, vision-based methods offer advantages in cost, simplicity, and ease of deployment. However, existing…

Robotics · Computer Science 2025-11-25 Shangyuan Yuan , Preston Fairchild , Yu Mei , Xinyu Zhou , Xiaobo Tan

Surgical resection of malignant solid tumors is critically dependent on the surgeon's ability to accurately identify pathological tissue and remove the tumor while preserving surrounding healthy structures. However, building an…

3D hand pose tracking/estimation will be very important in the next generation of human-computer interaction. Most of the currently available algorithms rely on low-cost active depth sensors. However, these sensors can be easily interfered…

Computer Vision and Pattern Recognition · Computer Science 2016-10-25 Jiawei Zhang , Jianbo Jiao , Mingliang Chen , Liangqiong Qu , Xiaobin Xu , Qingxiong Yang

Optical tactile sensors are extensively utilized in intelligent robot manipulation due to their ability to acquire high-resolution tactile information at a lower cost. However, achieving adequate reality and versatility in simulating…

Robotics · Computer Science 2024-05-07 Zirong Shen , Yuhao Sun , Shixin Zhang , Zixi Chen , Heyi Sun , Fuchun Sun , Bin Fang

Although the estimation of 3D human pose and shape (HPS) is rapidly progressing, current methods still cannot reliably estimate moving humans in global coordinates, which is critical for many applications. This is particularly challenging…

Computer Vision and Pattern Recognition · Computer Science 2023-11-21 Yu Sun , Qian Bao , Wu Liu , Tao Mei , Michael J. Black

In the gastrointestinal (GI) tract endoscopy field, ingestible wireless capsule endoscopy is considered as a minimally invasive novel diagnostic technology to inspect the entire GI tract and to diagnose various diseases and pathologies.…

Computer Vision and Pattern Recognition · Computer Science 2017-11-27 Mehmet Turan , Yasin Almalioglu , Helder Araujo , Ender Konukoglu , Metin Sitti

We present a new method to acquire the 3D information from a SPAD-based direct-Time-of-Flight (d-ToF) imaging system which does not require the construction of a histogram of timestamps and can withstand high flux operation regime. The…

Signal Processing · Electrical Eng. & Systems 2023-10-16 Alessandro Tontini , Sonia Mazzucchi , Roberto Passerone , Nicolò Broseghini , Leonardo Gasparini

In minimal invasive surgery, it is important to rebuild and visualize the latest deformed shape of soft-tissue surfaces to mitigate tissue damages. This paper proposes an innovative Simultaneous Localization and Mapping (SLAM) algorithm for…

Computer Vision and Pattern Recognition · Computer Science 2020-03-25 Jingwei Song , Jun Wang , Liang Zhao , Shoudong Huang , Gamini Dissanayake

Accurate 3D sensing of suturing thread is a challenging problem in automated surgical suturing because of the high state-space complexity, thinness and deformability of the thread, and possibility of occlusion by the grippers and tissue. In…

Medical image segmentation plays a pivotal role in clinical diagnostics and treatment planning, yet existing models often face challenges in generalization and in handling both 2D and 3D data uniformly. In this paper, we introduce Medical…

Computer Vision and Pattern Recognition · Computer Science 2024-12-06 Jiayuan Zhu , Abdullah Hamdi , Yunli Qi , Yueming Jin , Junde Wu

Eye-tracking technologies have been widely used in applications like psychological studies and human computer interactions (HCI). However, most current eye trackers focus on 2D point of gaze (PoG) estimation and cannot provide accurate gaze…

Computer Vision and Pattern Recognition · Computer Science 2021-10-29 Jinglin Sun , Zhipeng Wu , Han Wang , Peiguang Jing , Yu Liu

Surgical automation has the potential to enable increased precision and reduce the per-patient workload of overburdened human surgeons. An effective automation system must be able to sense and map subsurface anatomy, such as tumors,…

Robotics · Computer Science 2021-10-13 Brian Y. Cho , Tucker Hermans , Alan Kuntz