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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…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Pavan C Shekar , Vivek Kanhangad , Shishir Maheshwari , T Sunil Kumar

Microscopy structure segmentation, such as detecting cells or nuclei, generally requires a human to draw a ground truth contour around each instance. Weakly supervised approaches (e.g. consisting of only single point labels) have the…

计算机视觉与模式识别 · 计算机科学 2024-11-25 James Willoughby , Irina Voiculescu

Currently used wireless capsule endoscopy (WCE) is limited in terms of inspection time and flexibility since the capsule is passively moved by peristalsis and cannot be accurately positioned. Different methods have been proposed to…

机器人学 · 计算机科学 2021-12-28 Yangxin Xu , Keyu Li , Ziqi Zhao , Max Q. -H. Meng

Brain atlases are essential for reducing the dimensionality of neuroimaging data and enabling interpretable analysis. However, most existing atlases are predefined, group-level templates with limited flexibility and resolution. We present…

神经元与认知 · 定量生物学 2025-09-23 Mo Wang , Kaining Peng , Jingsheng Tang , Hongkai Wen , Quanying Liu

Precise camera tracking, high-fidelity 3D tissue reconstruction, and real-time online visualization are critical for intrabody medical imaging devices such as endoscopes and capsule robots. However, existing SLAM (Simultaneous Localization…

计算机视觉与模式识别 · 计算机科学 2024-03-25 Kailing Wang , Chen Yang , Yuehao Wang , Sikuang Li , Yan Wang , Qi Dou , Xiaokang Yang , Wei Shen

Monocular depth estimation in endoscopy videos can enable assistive and robotic surgery to obtain better coverage of the organ and detection of various health issues. Despite promising progress on mainstream, natural image depth estimation,…

计算机视觉与模式识别 · 计算机科学 2024-08-22 Akshay Paruchuri , Samuel Ehrenstein , Shuxian Wang , Inbar Fried , Stephen M. Pizer , Marc Niethammer , Roni Sengupta

Monocular depth estimation and ego-motion estimation are significant tasks for scene perception and navigation in stable, accurate and efficient robot-assisted endoscopy. To tackle lighting variations and sparse textures in endoscopic…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Liangjing Shao , Linxin Bai , Chenkang Du , Xinrong Chen

Computational Cannula Microscopy (CCM) is a high-resolution widefield fluorescence imaging approach deep inside tissue, which is minimally invasive. Rather than using conventional lenses, a surgical cannula acts as a lightpipe for both…

图像与视频处理 · 电气工程与系统科学 2020-12-02 Ruipeng Guo , Zhimeng Pan , Andrew Taibi , Jason Shepherd , Rajesh Menon

Gastrointestinal (GI) diseases represent a significant global health concern, with Capsule Endoscopy (CE) offering a non-invasive method for diagnosis by capturing a large number of GI tract images. However, the sheer volume of video frames…

图像与视频处理 · 电气工程与系统科学 2024-10-28 Aniket Das , Ayushman Singh , Nishant , Sharad Prakash

Convolutional Neural Networks (CNNs) have achieved promising results in medical image segmentation. However, CNNs require lots of training data and are incapable of handling pose and deformation of objects. Furthermore, their pooling layers…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Minh Tran , Viet-Khoa Vo-Ho , Ngan T. H. Le

The ability to automatically detect certain types of cells or cellular subunits in microscopy images is of significant interest to a wide range of biomedical research and clinical practices. Cell detection methods have evolved from…

计算机视觉与模式识别 · 计算机科学 2018-02-22 Yao Xue , Nilanjan Ray

Capsule Networks (CapsNets) is a machine learning architecture proposed to overcome some of the shortcomings of convolutional neural networks (CNNs). However, CapsNets have mainly outperformed CNNs in datasets where images are small and/or…

计算机视觉与模式识别 · 计算机科学 2021-09-07 Juan P. Vigueras-Guillén , Arijit Patra , Ola Engkvist , Frank Seeliger

Capsule endoscopy has enabled minimally invasive gastrointestinal imaging, but its clinical utility is limited by the inherently low resolution of captured images due to hardware, power, and transmission constraints. This limitation hampers…

图像与视频处理 · 电气工程与系统科学 2025-12-30 Haozhe Jia

Video Capsule Endoscopy (VCE) is currently one of the most effective methods for detecting intestinal diseases. However, it is challenging to detect early-stage small nodules with this method because they lack obvious color or shape…

系统与控制 · 电气工程与系统科学 2024-12-11 Yukun Ge , Rui Zong , Xiaoshuai Zhang , Thrishantha Nanayakkara

Our work expands the use of capsule networks to the task of object segmentation for the first time in the literature. This is made possible via the introduction of locally-constrained routing and transformation matrix sharing, which reduces…

图像与视频处理 · 电气工程与系统科学 2020-12-14 Rodney LaLonde , Ziyue Xu , Ismail Irmakci , Sanjay Jain , Ulas Bagci

Conventional Endoscopy (CE) and Wireless Capsule Endoscopy (WCE) are known tools for diagnosing gastrointestinal (GI) tract disorders. Detecting the anatomical location of GI tract can help clinicians to determine a more appropriate…

计算机视觉与模式识别 · 计算机科学 2021-08-23 Mohammad Reza Mohebbian , Khan A. Wahid , Anh Dinh , Paul Babyn

Endoscopes featuring a miniaturized design have significantly enhanced operational flexibility, portability, and diagnostic capability while substantially reducing the invasiveness of medical procedures. Recently, single-use endoscopes…

图像与视频处理 · 电气工程与系统科学 2025-06-19 Yu Xing , Shishi Huang , Meng Lv , Guo Chen , Huailiang Wang , Lingzhi Sui

Medical image registration is a critical process that aligns various patient scans, facilitating tasks like diagnosis, surgical planning, and tracking. Traditional optimization based methods are slow, prompting the use of Deep Learning (DL)…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Amin Ranem , John Kalkhof , Anirban Mukhopadhyay

Atherosclerosis, a chronic inflammatory disease affecting the large arteries, presents a global health risk. Accurate analysis of diagnostic images, like computed tomographic angiograms (CTAs), is essential for staging and monitoring the…

图像与视频处理 · 电气工程与系统科学 2023-11-28 Alireza Bagheri Rajeoni , Breanna Pederson , Daniel G. Clair , Susan M. Lessner , Homayoun Valafar

Neural cellular automata (NCA) provide a lightweight alternative to encoder-decoder segmentation networks. However, it can be difficult to decide when a prediction should be trusted. Here, we study uncertainty estimation for NCA-based…

图像与视频处理 · 电气工程与系统科学 2026-05-27 Ario Sadafi , Michael Deutges , Nassir Navab , Carsten Marr