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Endoscopic diagnosis is an important means for gastric polyp detection. In this paper, a panoramic image of gastroscopy is developed, which can display the inner surface of the stomach intuitively and comprehensively. Moreover, the proposed…

图像与视频处理 · 电气工程与系统科学 2019-10-22 Chenfei Shi , Yan Xue , Chuan Jiang , Hui Tian , Bei Liu

Feature matching and finding correspondences between endoscopic images is a key step in many clinical applications such as patient follow-up and generation of panoramic image from clinical sequences for fast anomalies localization.…

计算机视觉与模式识别 · 计算机科学 2022-08-25 Manel Farhat , Houda Chaabouni-Chouayakh , Achraf Ben-Hamadou

Medical imaging is an invaluable resource in medicine as it enables to peer inside the human body and provides scientists and physicians with a wealth of information indispensable for understanding, modelling, diagnosis, and treatment of…

图像与视频处理 · 电气工程与系统科学 2022-08-25 Hanene Ben Yedder , Ben Cardoen , Ghassan Hamarneh

Endoscopic imaging is essential for real-time visualization of internal organs, yet conventional systems remain bulky, complex, and expensive due to their reliance on large, multi-element optical components. This limits their accessibility…

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

Early identification of a polyp in the lower gastrointestinal (GI) tract can lead to prevention of life-threatening colorectal cancer. Developing computer-aided diagnosis (CAD) systems to detect polyps can improve detection accuracy and…

图像与视频处理 · 电气工程与系统科学 2022-06-01 Jan Andre Fagereng , Vajira Thambawita , Andrea M. Storås , Sravanthi Parasa , Thomas de Lange , Pål Halvorsen , Michael A. Riegler

Wireless capsule endoscopy is a medical procedure used to visualize the entire gastrointestinal tract and to diagnose intestinal conditions, such as polyps or bleeding. Current analyses are performed by manually inspecting nearly each one…

图像与视频处理 · 电气工程与系统科学 2020-10-05 Pablo Laiz , Jordi Vitrià , Hagen Wenzek , Carolina Malagelada , Fernando Azpiroz , Santi Seguí

Automatic analysis of colonoscopy images has been an active field of research motivated by the importance of early detection of precancerous polyps. However, detecting polyps during the live examination can be challenging due to various…

Colorectal cancer (CRC), which frequently originates from initially benign polyps, remains a significant contributor to global cancer-related mortality. Early and accurate detection of these polyps via colonoscopy is crucial for CRC…

计算机视觉与模式识别 · 计算机科学 2024-04-18 Ziyu Zhou , Wenyuan Shen , Chang Liu

Medical image segmentation is the technique that helps doctor view and has a precise diagnosis, particularly in Colorectal Cancer. Specifically, with the increase in cases, the diagnosis and identification need to be faster and more…

图像与视频处理 · 电气工程与系统科学 2023-06-16 Trong-Hieu Nguyen Mau , Quoc-Huy Trinh , Nhat-Tan Bui , Minh-Triet Tran , Hai-Dang Nguyen

In endoscopy, many applications (e.g., surgical navigation) would benefit from a real-time method that can simultaneously track the endoscope and reconstruct the dense 3D geometry of the observed anatomy from a monocular endoscopic video.…

计算机视觉与模式识别 · 计算机科学 2022-02-23 Xingtong Liu , Zhaoshuo Li , Masaru Ishii , Gregory D. Hager , Russell H. Taylor , Mathias Unberath

Deep learning in gastrointestinal endoscopy can assist to improve clinical performance and be helpful to assess lesions more accurately. To this extent, semantic segmentation methods that can perform automated real-time delineation of a…

图像与视频处理 · 电气工程与系统科学 2021-04-23 Debesh Jha , Nikhil Kumar Tomar , Sharib Ali , Michael A. Riegler , Håvard D. Johansen , Dag Johansen , Thomas de Lange , Pål Halvorsen

Inspection of tissues using a light microscope is the primary method of diagnosing many diseases, notably cancer. Highly multiplexed tissue imaging builds on this foundation, enabling the collection of up to 60 channels of molecular…

Lensless in-line holography is a simple, portable, and cost-effective method of imaging especially for the biomedical microscopy applications. We propose a multiplicative gradient descent optimization based method to obtain multi-depth…

图像与视频处理 · 电气工程与系统科学 2020-04-20 Sanjeev Kumar , Manjunatha Mahadevappa , Pranab Kumar Dutta

In endoscopic surgery, a clear and high-quality visual field is critical for surgeons to make accurate intraoperative decisions. However, persistent visual degradation, including smoke generated by energy devices, lens fogging from thermal…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Jialun Pei , Diandian Guo , Donghui Yang , Zhixi Li , Yuxin Feng , Long Ma , Bo Du , Pheng-Ann Heng

The development of artificial intelligence systems for colonoscopy analysis often necessitates expert-annotated image datasets. However, limitations in dataset size and diversity impede model performance and generalisation. Image-text…

计算机视觉与模式识别 · 计算机科学 2023-10-18 Shuo Wang , Yan Zhu , Xiaoyuan Luo , Zhiwei Yang , Yizhe Zhang , Peiyao Fu , Manning Wang , Zhijian Song , Quanlin Li , Pinghong Zhou , Yike Guo

A deep learning-based monocular depth estimation (MDE) technique is proposed for selection of most informative frames (key frames) of an endoscopic video. In most of the cases, ground truth depth maps of polyps are not readily available and…

计算机视觉与模式识别 · 计算机科学 2021-07-12 Pradipta Sasmal , Avinash Paul , M. K. Bhuyan , Yuji Iwahori

We propose a new approach to 3D reconstruction from sequences of images acquired by monocular endoscopes. It is based on two key insights. First, endoluminal cavities are watertight, a property naturally enforced by modeling them in terms…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Víctor M. Batlle , José M. M. Montiel , Pascal Fua , Juan D. Tardós

Endoscopic ultrasound (EUS) imaging has a trade-off between resolution and penetration depth. By considering the in-vivo characteristics of human organs, it is necessary to provide clinicians with appropriate hardware specifications for…

图像与视频处理 · 电气工程与系统科学 2023-09-14 Hah Min Lew , Jae Seong Kim , Moon Hwan Lee , Jaegeun Park , Sangyeon Youn , Hee Man Kim , Jihun Kim , Jae Youn Hwang

Deep learning has emerged as a powerful artificial intelligence tool to interpret medical images for a growing variety of applications. However, the paucity of medical imaging data with high-quality annotations that is necessary for…

计算机视觉与模式识别 · 计算机科学 2018-10-02 Faisal Mahmood , Richard Chen , Sandra Sudarsky , Daphne Yu , Nicholas J. Durr