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This paper describes the design, manufacture, and performance of a highly dexterous, low-profile, 7 Degree-of-Freedom (DOF) robotic arm for CT-guided percutaneous needle biopsy. Direct CT guidance allows physicians to localize tumours…

Robotics · Computer Science 2022-03-18 Dimitri A. Schreiber , Daniel B. Shak , Alexander M. Norbash , Michael C. Yip

This paper presents an approach for understanding the soft tissue behavior in surface contact with a probe scanning the tissue. The application domain is confocal microlaparoscopy, mostly used for imaging the outer surface of the organs in…

Robotics · Computer Science 2018-04-16 M. Erden , B. Rosa , J. Szewczyk , G. Morel

The introduction of neuroendoscopy, microneurosurgery, neuronavigation, and intraoperative imaging for surgical operations has made significant improvements over other traditionally invasive surgical techniques. The integration of magnetic…

Systems and Control · Electrical Eng. & Systems 2022-09-20 Martin Francis Phelan , Nihal Olcay Dogan , Jelena Lazovic , Metin Sitti

Recent developments in image acquisition literature have miniaturized the confocal laser endomicroscopes to improve usability and flexibility of the apparatus in actual clinical settings. However, miniaturized devices collect less light and…

Image and Video Processing · Electrical Eng. & Systems 2019-07-24 Saeed Izadi , Darren Sutton , Ghassan Hamarneh

Surgical robots are usually controlled using a priori models based on the robots' geometric parameters, which are calibrated before the surgical procedure. One of the challenges in using robots in real surgical settings is that those…

Robotics · Computer Science 2022-06-03 Masakazu Yoshimura , Murilo Marques Marinho , Kanako Harada , Mamoru Mitsuishi

In this work, we explore whether it is possible to learn representations of endoscopic video frames to perform tasks such as identifying surgical tool presence without supervision. We use a maximum mean discrepancy (MMD) variational…

Computer Vision and Pattern Recognition · Computer Science 2020-08-31 David Z. Li , Masaru Ishii , Russell H. Taylor , Gregory D. Hager , Ayushi Sinha

Hyperspectral imaging holds promises in surgical imaging by offering biological tissue differentiation capabilities with detailed information that is invisible to the naked eye. For intra-operative guidance, real-time spectral data capture…

Image and Video Processing · Electrical Eng. & Systems 2025-05-02 Peichao Li , Oscar MacCormac , Jonathan Shapey , Tom Vercauteren

Gastrointestinal (GI) cancers account for 1.5 million deaths worldwide. Endoscopic Submucosal Dissection (ESD) is an advanced therapeutic endoscopy technique with superior clinical outcome due to the minimally invasive and en bloc removal…

Robotics · Computer Science 2018-04-19 Timo J. C. Oude Vrielink , Ming Zhao , Ara Darzi , George P. Mylonas

Acquiring high-contrast optical images deep inside biological tissues is still a challenging problem. Confocal microscopy is an important tool for biomedical imaging since it improves image quality by rejecting background signals. However,…

Bronchoscopy with transbronchial biopsy is a minimally invasive and effective method for early lung cancer intervention. Robot-assisted bronchoscopy offers improved precision, spatial flexibility, and reduced risk of cross-infection. This…

Reconstruction of the soft tissues in robotic surgery from endoscopic stereo videos is important for many applications such as intra-operative navigation and image-guided robotic surgery automation. Previous works on this task mainly rely…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Yuehao Wang , Yonghao Long , Siu Hin Fan , Qi Dou

Remote robotic-assisted endovascular intervention offers a promising approach to reduce clinician radiation exposure and physical strain, while extending specialized vascular care to geographically distant regions. Despite advancements,…

Holographic wavefront manipulation enables converting hair-thin multimode optical fibres into minimally invasive lensless imaging instruments conveying much higher information densities than conventional endoscopes. Their most prominent…

Surgical 3D reconstruction is a critical area of research in robotic surgery, with recent works adopting variants of dynamic radiance fields to achieve success in 3D reconstruction of deformable tissues from single-viewpoint videos.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Lingting Zhu , Zhao Wang , Jiahao Cui , Zhenchao Jin , Guying Lin , Lequan Yu

Histopathological examination of surgical biopsies, such as in glioma and glioblastoma resection, is hindered in current clinical practice by the long times required for the laboratory analysis and pathological screening, typically taking…

Autonomous robotic surgery has the potential to provide efficacy, safety, and consistency independent of individual surgeons skill and experience. Autonomous soft-tissue surgery in unstructured and deformable environments is especially…

Robotics · Computer Science 2021-07-06 H. Saeidi , J. D. Opfermann , M. Kam , S. Wei , S. Leonard , M. H. Hsieh , J. U. Kang , A. Krieger

Some endoscopic surgeries require a surgeon to hold the endoscope with one hand and the surgical instruments with the other hand to perform the actual surgery with correct vision. Recent technical advances in deep learning as well as in…

Computer Vision and Pattern Recognition · Computer Science 2020-03-16 Sue Min Cho , Young-Gon Kim , Jinhoon Jeong , Ho-jin Lee , Namkug Kim

Mammography is the primary imaging modality used for early detection and diagnosis of breast cancer. X-ray mammogram analysis mainly refers to the localization of suspicious regions of interest followed by segmentation, towards further…

Image and Video Processing · Electrical Eng. & Systems 2020-12-09 Yutong Yan , Pierre-Henri Conze , Gwenolé Quellec , Mathieu Lamard , Béatrice Cochener , Gouenou Coatrieux

Flexible fiber-optic endoscopes provide a minimally-invasive solution for imaging at depths beyond the reach of conventional microscopes. Current endoscopes require focusing and/or scanning mechanisms at the distal end, which limit…

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