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Flexible robots hold great promise for enhancing minimally invasive surgery (MIS) by providing superior dexterity, precise control, and safe tissue interaction. Yet, translating these advantages into endoscopic interventions within open…

Active wireless capsule endoscopy (WCE) based on simultaneous magnetic actuation and localization (SMAL) techniques holds great promise for improving diagnostic accuracy, reducing examination time and relieving operator burden. To date, the…

Robotics · Computer Science 2021-11-05 Yangxin Xu , Keyu Li , Ziqi Zhao , Max Q. -H. Meng

The interpretation and analysis of the wireless capsule endoscopy recording is a complex task which requires sophisticated computer aided decision (CAD) systems in order to help physicians with the video screening and, finally, with the…

Computer Vision and Pattern Recognition · Computer Science 2016-07-27 Santi Seguí , Michal Drozdzal , Guillem Pascual , Petia Radeva , Carolina Malagelada , Fernando Azpiroz , Jordi Vitrià

This paper presents, for the first time, an image enhancement methodology designed to enhance the clarity of small intestinal villi in Wireless Capsule Endoscopy (WCE) images. This method first separates the low-frequency and high-frequency…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Shaojie Zhang , Yinghui Wang , Peixuan Liu , Yukai Wang , Liangyi Huang , Mingfeng Wang , Ibragim. Atadjanov

Helicobacter pylori, a pervasive bacterial infection associated with gastrointestinal disorders such as gastritis, peptic ulcer disease, and gastric cancer, impacts approximately 50% of the global population. The efficacy of standard…

Systems and Control · Electrical Eng. & Systems 2024-05-14 Sishen Yuan , Baijia Liang , Po Wa Wong , Mingjing Xu , Chi Hsuan Li , Zhen Li , Hongliang Ren

The escalating global mortality and morbidity rates associated with gastrointestinal (GI) bleeding, compounded by the complexities and limitations of traditional endoscopic methods, underscore the urgent need for a critical review of…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Tanisha Singh , Shreshtha Jha , Nidhi Bhatt , Palak Handa , Nidhi Goel , Sreedevi Indu

Some bi or multi-stable Mechanical meta-structures have been implemented as mechanical memory devices which however are with limits such as complex structural forms, low information storage capability and/or fragile structural stability to…

Materials Science · Physics 2023-04-20 Libiao Xin , Yanbin Li , Baolong Wang , Zhiqiang Li

Abnormalities in the gastrointestinal tract significantly influence the patient's health and require a timely diagnosis for effective treatment. With such consideration, an effective automatic classification of these abnormalities from a…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Lakshmi Srinivas Panchananam , Praveen Kumar Chandaliya , Kishor Upla , Kiran Raja

Wireless Capsule Endoscopy (WCE) is a relatively new technology to record the entire GI trace, in vivo. The large amounts of frames captured during an examination cause difficulties for physicians to review all these frames. The need for…

Computer Vision and Pattern Recognition · Computer Science 2018-05-29 Omid Haji Maghsoudi

Video capsule endoscopy has become increasingly important for investigating the small intestine within the gastrointestinal tract. However, a persistent challenge remains the short battery lifetime of such compact sensor edge devices.…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Julia Werner , Oliver Bause , Julius Oexle , Maxime Le Floch , Franz Brinkmann , Jochen Hampe , Oliver Bringmann

This paper presents the in vivo validation of an inductive wireless power transfer (WPT) system integrated for the first time into a magnetically controlled robotic capsule endoscopy platform. The proposed system enables continuous power…

Gastrointestinal (GI) bleeding, a critical indicator of digestive system disorders, re quires efficient and accurate detection methods. This paper presents our solution to the Auto-WCEBleedGen Version V1 Challenge, where we achieved the…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Pavan C Shekar , Vivek Kanhangad , Shishir Maheshwari , T Sunil Kumar

There has been a longstanding expectation that the optical resolution embodiment of photoacoustic tomography could have a substantial impact on gastrointestinal endoscopy by enabling microscopic visualization of the vasculature based on the…

Conventional biomedical imaging modalities, including endoscopy, X-rays, and magnetic resonance, are invasive and cannot provide sufficient spatial and temporal resolutions for regular imaging of gastrointestinal (GI) tract to guide…

Microrobots engineered from self-propelling active particles, extend the reach of robotic operations to submillimeter dimensions and are becoming increasingly relevant for various tasks, such as manipulation of micro/nanoscale cargo,…

Robotics · Computer Science 2024-11-12 Sinwook Park , Noga Barak , Tamar Lotan , Gilad Yossifon

A reliable, real-time simultaneous localization and mapping (SLAM) method is crucial for the navigation of actively controlled capsule endoscopy robots. These robots are an emerging, minimally invasive diagnostic and therapeutic technology…

Computer Vision and Pattern Recognition · Computer Science 2017-11-07 Mehmet Turan , Yasin Almalioglu , Hunter Gilbert , Helder Araujo , Ender Konukoglu , Metin Sitti

Ingestible wireless capsule endoscopy is an emerging minimally invasive diagnostic technology for inspection of the GI tract and diagnosis of a wide range of diseases and pathologies. Medical device companies and many research groups have…

Computer Vision and Pattern Recognition · Computer Science 2017-11-21 Mehmet Turan , Yasin Almalioglu , Helder Araujo , Ender Konukoglu , Metin Sitti

In recent years, simultaneous magnetic actuation and localization (SMAL) for active wireless capsule endoscopy (WCE) has been intensively studied to improve the efficiency and accuracy of the examination. In this paper, we propose an…

Robotics · Computer Science 2021-11-04 Yangxin Xu , Keyu Li , Ziqi Zhao , Max Q. -H. Meng

Minimally invasive surgery (MIS) reduces patient trauma and shortens recovery time; however, conventional laparoscopic instruments remain constrained by limited range of movements. This work presents the control architecture of a 4-DOF…

This paper presents a novel design and experimental investigation for a self-propelled capsule robot that can be used for painless colonoscopy during a retrograde progression from the patient's rectum. The steerable robot is driven forward…

Robotics · Computer Science 2022-03-02 Jiajia Zhang , Jiyuan Tian , Dibin Zhu , Yang Liu , Shyam Prasad