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The recently proposed Segment Anything Model (SAM) is a general tool for image segmentation, but it requires additional adaptation and careful fine-tuning for medical image segmentation, especially for small, irregularly-shaped, and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Yaxi Chen , Aleksandra Ivanova , Shaheer U. Saeed , Rikin Hargunani , Jie Huang , Chaozong Liu , Yipeng Hu

Positioning patients for scanning and interventional procedures is a critical task that requires high precision and accuracy. The conventional workflow involves manually adjusting the patient support to align the center of the target body…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Zhongpai Gao , Abhishek Sharma , Meng Zheng , Benjamin Planche , Terrence Chen , Ziyan Wu

The process of tracking human anatomy in computer vision is referred to pose estimation, and it is used in fields ranging from gaming to surveillance. Three-dimensional pose estimation traditionally requires advanced equipment, such as…

Computer Vision and Pattern Recognition · Computer Science 2022-08-25 Alice Ruget , Max Tyler , Germán Mora Martín , Stirling Scholes , Feng Zhu , Istvan Gyongy , Brent Hearn , Steve McLaughlin , Abderrahim Halimi , Jonathan Leach

Image registration is a key technique in medical image analysis to estimate deformations between image pairs. A good deformation model is important for high-quality estimates. However, most existing approaches use ad-hoc deformation models…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Marc Niethammer , Roland Kwitt , Francois-Xavier Vialard

We present a novel method for intraoperative patient-to-image registration by learning Expected Appearances. Our method uses preoperative imaging to synthesize patient-specific expected views through a surgical microscope for a predicted…

Computer Vision and Pattern Recognition · Computer Science 2023-10-04 Nazim Haouchine , Reuben Dorent , Parikshit Juvekar , Erickson Torio , William M. Wells , Tina Kapur , Alexandra J. Golby , Sarah Frisken

Purpose: Mutual acceptance is required for any human-to-human interaction. Therefore, one would assume that this also holds for robot-patient interactions. However, the medical robotic imaging field lacks research in the area of acceptance.…

Robotics · Computer Science 2023-02-14 Christine Eilers , Rob van Kemenade , Benjamin Busam , Nassir Navab

Intraoperative fluoroscopy is a frequently used modality in minimally invasive orthopedic surgeries. Aligning the intraoperatively acquired X-ray image with the preoperatively acquired 3D model of a computed tomography (CT) scan reduces the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Pragyan Shrestha , Chun Xie , Hidehiko Shishido , Yuichi Yoshii , Itary Kitahara

Minimally invasive surgery (MIS) offers significant benefits such as reduced recovery time and minimised patient trauma, but poses challenges in visibility and access, making accurate 3D reconstruction a significant tool in surgical…

The interpretation of prostate MRI suffers from low agreement across radiologists due to the subtle differences between cancer and normal tissue. Image registration addresses this issue by accurately mapping the ground-truth cancer labels…

Proton FLASH therapy leverages ultra-high dose-rate radiation to enhance the sparing of organs at risk without compromising tumor control probability. To prepare for the delivery of high doses to targets, we aim to develop a deep…

Image-based navigation is widely considered the next frontier of minimally invasive surgery. It is believed that image-based navigation will increase the access to reproducible, safe, and high-precision surgery as it may then be performed…

Computer Vision and Pattern Recognition · Computer Science 2021-08-06 Mathias Unberath , Cong Gao , Yicheng Hu , Max Judish , Russell H Taylor , Mehran Armand , Robert Grupp

In recent years the NHS has been having increased difficulty seeing all low-risk patients, this includes but not limited to suspected osteoarthritis (OA) patients. To help address the increased waiting lists and shortages of staff, we…

Computer Vision and Pattern Recognition · Computer Science 2023-04-27 Kai Armstrong , Lei Zhang , Yan Wen , Alexander P. Willmott , Paul Lee , Xujioing Ye

Nonlinear image registration continues to be a fundamentally important tool in medical image analysis. Diagnostic tasks, image-guided surgery and radiotherapy as well as motion analysis all rely heavily on accurate intra-patient alignment.…

Computer Vision and Pattern Recognition · Computer Science 2019-07-26 Mattias P. Heinrich

Depth cameras, typically in RGB-D configurations, are common devices in mobile robotic platforms given their appealing features: high frequency and resolution, low price and power requirements, among others. These sensors may come with…

Robotics · Computer Science 2019-07-04 David Zuñiga-Noël , Jose-Raul Ruiz-Sarmiento , Javier Gonzalez-Jimenez

The creation of unique control methods for a hand prosthesis is still a problem that has to be addressed. The best choice of a human-machine interface (HMI) that should be used to enable natural control is still a challenge. Surface…

Localization is an essential component for autonomous robots. A well-established localization approach combines ray casting with a particle filter, leading to a computationally expensive algorithm that is difficult to run on…

Data Structures and Algorithms · Computer Science 2018-03-09 Corey Walsh , Sertac Karaman

Recently, a new underwater imaging formation model presented that the coefficients related to the direct and backscatter transmission signals are dependent on the type of water, camera specifications, water depth, and imaging range. This…

Robotics · Computer Science 2020-12-22 Monika Roznere , Alberto Quattrini Li

Finding obstacle-free paths in unknown environments is a big navigation issue for visually impaired people and autonomous robots. Previous works focus on obstacle avoidance, however they do not have a general view of the environment they…

Diagnosis based on medical images, such as X-ray images, often involves manual annotation of anatomical keypoints. However, this process involves significant human efforts and can thus be a bottleneck in the diagnostic process. To fully…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Jinhee Kim , Taesung Kim , Taewoo Kim , Jaegul Choo , Dong-Wook Kim , Byungduk Ahn , In-Seok Song , Yoon-Ji Kim

Lower limb prosthesis can benefit from embedded systems capable of applying computer vision techniques to enhance autonomous control and context awareness for intelligent decision making. In order to fill in the gap of current literature of…

Signal Processing · Electrical Eng. & Systems 2020-06-30 Rafael L. da Silva , Nathan Starliper , Boxuan Zhong , He Helen Huang , Edgar Lobaton