中文
相关论文

相关论文: Fast 5DOF Needle Tracking in iOCT

200 篇论文

Tactile sensing is crucial for robots aiming to achieve human-level dexterity. Among tactile-dependent skills, tactile-based object tracking serves as the cornerstone for many tasks, including manipulation, in-hand manipulation, and 3D…

机器人学 · 计算机科学 2025-03-19 Hung-Jui Huang , Michael Kaess , Wenzhen Yuan

Intrinsic optical signal (IOS) imaging of the retina, also termed as optoretinography (ORG), promises a noninvasive method for objective assessment of retinal function. By providing unparalleled capability to differentiate individual layers…

医学物理 · 物理学 2022-02-22 Tae-Hoon Kim , Guangying Ma , Taeyoon Son , Xincheng Yao

Intraoperative tracking of surgical instruments is an inevitable task of computer-assisted surgery. An optical tracking system often fails to precisely reconstruct the dynamic location and pose of a surgical tool due to the acquisition…

机器人学 · 计算机科学 2020-12-23 Md Ashikuzzaman , Noushin Jafarpisheh , Sunil Rottoo , Pierre Brisson , Hassan Rivaz

A polarization-sensitive optical coherence tomography system based on heterodyning and filtering techniques is built to perform Stokesmetric imaging of different layers of depths in a porcine tendon sample. The complete 4\times4…

光学 · 物理学 2010-04-09 Xue Liu , Shih C. Tseng , M. S. Shahriar

Non-destructive inspection (NDI) is useful in the industrial sector to ensure that manufacturing follows defined specifications, reducing the quantity of waste and thereby the cost of production. In response to climate change and the need…

The potential for improving the penetration depth of optical coherence tomography systems by using increasingly longer wavelength light sources has been known since the inception of the technique in the early 1990s. Nevertheless, the…

Purpose: To develop an open-source, fully-automatic deep learning algorithm, DeepGPET, for choroid region segmentation in optical coherence tomography (OCT) data. Methods: We used a dataset of 715 OCT B-scans (82 subjects, 115 eyes) from 3…

Optical Coherence Tomography (OCT) provides a unique ability to image the eye retina in 3D at micrometer resolution and gives ophthalmologist the ability to visualize retinal diseases such as Age-Related Macular Degeneration (AMD). While…

计算机视觉与模式识别 · 计算机科学 2016-10-13 Stefanos Apostolopoulos , Carlos Ciller , Sandro I. De Zanet , Sebastian Wolf , Raphael Sznitman

Endoscopic optical coherence tomography (OCT) is a valuable tool for providing diagnostic images of internal organs and guiding interventions in real time. Miniaturized OCT endoscopes are essential for imaging small and convoluted luminal…

仪器与探测器 · 物理学 2023-11-28 Chao Xu , Xin Guan , Syeda Aimen Abbasi , Neng Xia , To Ngai , Li Zhang , Ho-Pui Ho , Sze Hang Calvin Ng , Wu Yuan

Accurate 6-DoF pose estimation of surgical instruments during minimally invasive surgeries can substantially improve treatment strategies and eventual surgical outcome. Existing deep learning methods have achieved accurate results, but they…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Christiaan G. A. Viviers , Lena Filatova , Maurice Termeer , Peter H. N. de With , Fons van der Sommen

Optical coherence tomography (OCT) is a non-invasive imaging technique widely used for ophthalmology. It can be extended to OCT angiography (OCT-A), which reveals the retinal vasculature with improved contrast. Recent deep learning…

图像与视频处理 · 电气工程与系统科学 2021-07-12 Dewei Hu , Can Cui , Hao Li , Kathleen E. Larson , Yuankai K. Tao , Ipek Oguz

Quantum optical coherence tomography (QOCT) offers a simple way to cancel dispersion broadening in a sample while also providing twice the resolution compared to classical OCT. However, to achieve these advantages, a bright and broadband…

量子物理 · 物理学 2025-12-15 Anna Romanova , Vadim Rodimin , Konstantin Katamadze

Fast and accurate 3D position detection in optical tweezers (OT) is essential for quantitatively monitoring subtle variations in the mechanical properties of microscopic systems ranging from biomolecules to cells and colloids. Because…

This work proposes a process for efficiently training a point-wise object detector that enables localizing objects and computing their 6D poses in cluttered and occluded scenes. Accurate pose estimation is typically a requirement for robust…

计算机视觉与模式识别 · 计算机科学 2019-02-22 Jean-Philippe Mercier , Chaitanya Mitash , Philippe Giguère , Abdeslam Boularias

Our objective is to evaluate the efficacy of methods that use deep learning (DL) for the automatic fine-grained segmentation of optical coherence tomography (OCT) images of the retina. OCT images from 10 patients with mild non-proliferative…

计算机视觉与模式识别 · 计算机科学 2018-01-31 Mike Pekala , Neil Joshi , David E. Freund , Neil M. Bressler , Delia Cabrera DeBuc , Philippe M Burlina

Tool tracking in surgical videos is essential for advancing computer-assisted interventions, such as skill assessment, safety zone estimation, and human-machine collaboration. However, the lack of context-rich datasets limits AI…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Chinedu Innocent Nwoye , Kareem Elgohary , Anvita Srinivas , Fauzan Zaid , Joël L. Lavanchy , Nicolas Padoy

Ophthalmic surgical robots offer superior stability and precision by reducing the natural hand tremors of human surgeons, enabling delicate operations in confined surgical spaces. Despite the advancements in developing vision- and…

机器人学 · 计算机科学 2025-07-02 Tinghe Hong , Shenlin Cai , Boyang Li , Kai Huang

Images recorded below the surface of a finger can have more details and be of higher quality than the conventional surface fingerprint images. This is particularly true when the quality of the surface fingerprints is compromised by, for…

医学物理 · 物理学 2017-09-13 Egidijus Auksorius , A. Claude Boccara

Optical Coherence Tomography (OCT) is an emerging technique in the field of biomedical imaging, with applications in ophthalmology, dermatology, coronary imaging etc. Due to the underlying physics, OCT images usually suffer from a granular…

计算机视觉与模式识别 · 计算机科学 2015-02-10 Ahmadreza Baghaie , Roshan M. D'souza , Zeyun Yu

High-resolution optical imaging methods, such as confocal microscopy and full-field optical coherence tomography, capture flat optical sections of the sample. If the sample is curved, the optical field sections through several sample layers…