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Capsule endoscopy is an evolutional technique for examining and diagnosing intractable gastrointestinal diseases. Because of the huge amount of data, analyzing capsule endoscope videos is very time-consuming and labor-intensive for…

Computer Vision and Pattern Recognition · Computer Science 2021-04-08 Xinkai Zhao , Chaowei Fang , Feng Gao , De-Jun Fan , Xutao Lin , Guanbin Li

Wireless capsule endoscopy (WCE) is an effective means of diagnosis of gastrointestinal disorders. Detection of informative scenes by WCE could reduce the length of transmitted videos and can help with the diagnosis. In this paper we…

Computer Vision and Pattern Recognition · Computer Science 2018-02-23 Mohsen Hajabdollahi , Reza Esfandiarpoor , S. M. Reza Soroushmehr , Nader Karimi , Shadrokh Samavi , Kayvan Najarian

Despite recent surge of interest in deploying colon capsule endoscopy (CCE) for early diagnosis of colorectal diseases, there remains a large gap between the current state of CCE in clinical practice, and the state of its counterpart…

Image and Video Processing · Electrical Eng. & Systems 2024-06-17 Esmaeil S. Nadimi , Jan-Matthias Braun , Benedicte Schelde-Olesen , Emile Prudhomme , Victoria Blanes-Vidal , Gunnar Baatrup

Colorectal cancer screening through colonoscopy continues to be the dominant global standard, as it allows identifying pre-cancerous or adenomatous lesions and provides the ability to remove them during the procedure itself. Nevertheless,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-08 Netanel Frank , Erez Posner , Emmanuelle Muhlethaler , Adi Zholkover , Moshe Bouhnik

Deep learning can predict depth maps and capsule ego-motion from capsule endoscopy videos, aiding in 3D scene reconstruction and lesion localization. However, the collisions of the capsule endoscopies within the gastrointestinal tract cause…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Long Bai , Beilei Cui , Liangyu Wang , Yanheng Li , Shilong Yao , Sishen Yuan , Yanan Wu , Yang Zhang , Max Q. -H. Meng , Zhen Li , Weiping Ding , Hongliang Ren

Accurate bronchoscope localization is essential for pulmonary interventions, by providing six degrees of freedom (DOF) in airway navigation. However, the robustness of current vision-based methods is often compromised in clinical practice,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Qingyao Tian , Zhen Chen , Huai Liao , Xinyan Huang , Bingyu Yang , Lujie Li , Hongbin Liu

Wireless capsule endoscopy (WCE) is a painless and non-invasive diagnostic tool for gastrointestinal (GI) diseases. However, due to GI anatomical constraints and hardware manufacturing limitations, WCE vision signals may suffer from…

Image and Video Processing · Electrical Eng. & Systems 2023-07-25 Long Bai , Tong Chen , Yanan Wu , An Wang , Mobarakol Islam , Hongliang Ren

In this paper, we present a novel tightly-coupled probabilistic monocular visual-odometric Simultaneous Localization and Mapping algorithm using wheels and a MEMS gyroscope, which can provide accurate, robust and long-term localization for…

Robotics · Computer Science 2021-02-24 Meixiang Quan , Songhao Piao , Minglang Tan , Shi-Sheng Huang

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

Autonomous mechanical thrombectomy (MT) presents substantial challenges due to highly variable vascular geometries and the requirements for accurate, real-time control. While reinforcement learning (RL) has emerged as a promising paradigm…

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

Autonomous navigation in unfamiliar environments requires robots to simultaneously explore, localise, and plan under uncertainty, without relying on predefined maps or extensive training. We present Active Inference MAPping and Planning…

Robotics · Computer Science 2026-04-23 Daria de tinguy , Tim Verbelen , Emilio Gamba , Bart Dhoedt

Inspired by animal navigation strategies, we introduce a novel computational model to navigate and map a space rooted in biologically inspired principles. Animals exhibit extraordinary navigation prowess, harnessing memory, imagination, and…

Robotics · Computer Science 2025-01-07 Daria de Tinguy , Tim Verbelen , Bart Dhoedt

Objective: Depth estimation is crucial for endoscopic navigation and manipulation, but obtaining ground-truth depth maps in real clinical scenarios, such as the colon, is challenging. This study aims to develop a robust framework that…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Sijia Du , Chengfeng Zhou , Suncheng Xiang , Jianwei Xu , Dahong Qian

Autonomous navigation for mechanical thrombectomy (MT) remains a critical challenge due to the complexity of vascular anatomy and the need for precise, real-time decision-making. Reinforcement learning (RL)-based approaches have…

Machine Learning · Computer Science 2025-10-03 Harry Robertshaw , Han-Ru Wu , Alejandro Granados , Thomas C Booth

Visual simultaneous localization and mapping (V-SLAM) is a fundamental capability for autonomous perception and navigation. However, endoscopic scenes violate the rigidity assumption due to persistent soft-tissue deformations, creating a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-20 Jiwei Shan , Zeyu Cai , Yirui Li , Yongbo Chen , Lijun Han , Yun-hui Liu , Hesheng Wang , Shing Shin Cheng

This paper presents the first active object mapping framework for complex robotic manipulation and autonomous perception tasks. The framework is built on an object SLAM system integrated with a simultaneous multi-object pose estimation…

Robotics · Computer Science 2022-01-11 Yanmin Wu , Yunzhou Zhang , Delong Zhu , Xin Chen , Sonya Coleman , Wenkai Sun , Xinggang Hu , Zhiqiang Deng

This paper introduces a generic filter-based state estimation framework that supports two state-decoupling strategies based on cross-covariance factorization. These strategies reduce the computational complexity and inherently support true…

Robotics · Computer Science 2024-08-27 Roland Jung , Luca Santoro , Davide Brunelli , Daniele Fontanelli , Stephan Weiss

In the last decade, various robotic platforms have been introduced that could support delicate retinal surgeries. Concurrently, to provide semantic understanding of the surgical area, recent advances have enabled microscope-integrated…

With the increasing application of automated robotic digestive endoscopy (RDE), ensuring safe and efficient navigation in the unstructured and narrow digestive tract has become a critical challenge. Existing automated reinforcement learning…

Robotics · Computer Science 2025-04-01 Min Tan , Yushun Tao , Boyun Zheng , GaoSheng Xie , Lijuan Feng , Zeyang Xia , Jing Xiong