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In microsurgery, lasers have emerged as precise tools for bone ablation. A challenge is automatic control of laser bone ablation with 4D optical coherence tomography (OCT). OCT as high resolution imaging modality provides volumetric images…

计算机视觉与模式识别 · 计算机科学 2019-02-20 Max-Heinrich Laves , Lüder A. Kahrs , Tobias Ortmaier

Computer-aided diagnosis for low-dose computed tomography (CT) based on deep learning has recently attracted attention as a first-line automatic testing tool because of its high accuracy and low radiation exposure. However, existing methods…

图像与视频处理 · 电气工程与系统科学 2022-06-28 Kyung-Su Kim , Seong Je Oh , Ju Hwan Lee , Myung Jin Chung

We address the problem of 3D shape completion from sparse and noisy point clouds, a fundamental problem in computer vision and robotics. Recent approaches are either data-driven or learning-based: Data-driven approaches rely on a shape…

计算机视觉与模式识别 · 计算机科学 2018-11-28 David Stutz , Andreas Geiger

Robotic surgical subtask automation has the potential to reduce the per-patient workload of human surgeons. There are a variety of surgical subtasks that require geometric information of subsurface anatomy, such as the location of tumors,…

机器人学 · 计算机科学 2023-09-20 Brian Y. Cho , Alan Kuntz

Tissue manipulation is a frequently used fundamental subtask of any surgical procedures, and in some cases it may require the involvement of a surgeon's assistant. The complex dynamics of soft tissue as an unstructured environment is one of…

机器人学 · 计算机科学 2019-08-20 Changyeob Shin , Peter Walker Ferguson , Sahba Aghajani Pedram , Ji Ma , Erik P. Dutson , Jacob Rosen

Surgical workflow anticipation is the task of predicting the timing of relevant surgical events from live video data, which is critical in Robotic-Assisted Surgery (RAS). Accurate predictions require the use of spatial information to model…

计算机视觉与模式识别 · 计算机科学 2024-12-10 Francis Xiatian Zhang , Jingjing Deng , Robert Lieck , Hubert P. H. Shum

3D single-photon LiDAR imaging plays an important role in numerous applications. However, long acquisition times and significant data volumes present a challenge to LiDAR imaging. This paper proposes a task-optimized adaptive sampling…

图像与视频处理 · 电气工程与系统科学 2021-09-07 Mohamed Amir Alaa Belmekki , Rachael Tobin , Gerald S. Buller , Stephen McLaughlin , Abderrahim Halimi

Next-Best View (NBV) planning is a long-standing problem of determining where to obtain the next best view of an object from, by a robot that is viewing the object. There are a number of methods for choosing NBV based on the observed part…

机器人学 · 计算机科学 2024-06-25 Harnaik Dhami , Vishnu D. Sharma , Pratap Tokekar

Predictive modelling represents an emerging field that combines existing and novel methodologies aimed to rapidly understand physical mechanisms and concurrently develop new materials, processes and structures. In the current study,…

The robotic manipulation of compliant objects is currently one of the most active problems in robotics due to its potential to automate many important applications. Despite the progress achieved by the robotics community in recent years,…

机器人学 · 计算机科学 2022-05-23 Jiaming Qi , Dongyu Li , Yufeng Gao , Peng Zhou , David Navarro-Alarcon

In this paper, we target self-supervised representation learning for zero-shot tumor segmentation. We make the following contributions: First, we advocate a zero-shot setting, where models from pre-training should be directly applicable for…

计算机视觉与模式识别 · 计算机科学 2021-12-22 Xiaoman Zhang , Weidi Xie , Chaoqin Huang , Yanfeng Wang , Ya Zhang , Xin Chen , Qi Tian

Purpose: Radiation therapy treatment planning is a trial-and-error, often time-consuming process. An optimal dose distribution based on a specific anatomy can be predicted by pre-trained deep learning (DL) models. However, dose…

医学物理 · 物理学 2021-09-15 Jianhui Ma , Dan Nguyen , Ti Bai , Michael Folkerts , Xun Jia , Weiguo Lu , Linghong Zhou , Steve Jiang

Automated three-dimensional (3D) object reconstruction is the task of building a geometric representation of a physical object by means of sensing its surface. Even though new single view reconstruction techniques can predict the surface,…

计算机视觉与模式识别 · 计算机科学 2021-01-27 J. Irving Vasquez-Gomez , David Troncoso , Israel Becerra , Enrique Sucar , Rafael Murrieta-Cid

3D reconstruction from single view images is an ill-posed problem. Inferring the hidden regions from self-occluded images is both challenging and ambiguous. We propose a two-pronged approach to address these issues. To better incorporate…

计算机视觉与模式识别 · 计算机科学 2019-03-27 Priyanka Mandikal , K L Navaneet , Mayank Agarwal , R. Venkatesh Babu

Retinal surgery is a complex activity that can be challenging for a surgeon to perform effectively and safely. Image guided robot-assisted surgery is one of the promising solutions that bring significant surgical enhancement in treatment…

Shape instantiation which predicts the 3D shape of a dynamic target from one or more 2D images is important for real-time intra-operative navigation. Previously, a general shape instantiation framework was proposed with manual image…

计算机视觉与模式识别 · 计算机科学 2019-07-26 Xiao-Yun Zhou , Zhao-Yang Wang , Peichao Li , Jian-Qing Zheng , Guang-Zhong Yang

In various surgical procedures, regions of interest (ROIs) such as organs or lesions are often occluded by overlying tissues, requiring surgeons to achieve adequate exposure for precise intervention. However, the irregular geometry,…

机器人学 · 计算机科学 2026-05-19 Jiayi Liu , Kaiqi Wei , Yiwei Wang , Huan Zhao , Han Ding

Estimating the layout of a room from a single-shot panoramic image is important in virtual/augmented reality and furniture layout simulation. This involves identifying three-dimensional (3D) geometry, such as the location of corners and…

计算机视觉与模式识别 · 计算机科学 2023-04-26 Mizuki Tabata , Kana Kurata , Junichiro Tamamatsu

Object reconstruction is relevant for many autonomous robotic tasks that require interaction with the environment. A key challenge in such scenarios is planning view configurations to collect informative measurements for reconstructing an…

机器人学 · 计算机科学 2024-09-17 Sicong Pan , Liren Jin , Xuying Huang , Cyrill Stachniss , Marija Popović , Maren Bennewitz

Visual inspection is a crucial yet time-consuming task across various industries. Numerous established methods employ machine learning in inspection tasks, necessitating specific training data that includes predefined inspection poses and…

机器人学 · 计算机科学 2023-12-06 O. Tasneem , R. Pieters