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Deep learning based neural networks have gained popularity for a variety of biomedical imaging applications. In the last few years several works have shown the use of these methods for colon cancer detection and the early results have been…

计算机视觉与模式识别 · 计算机科学 2023-01-24 Chandana Raju , Sumedh Vilas Datar , Kushala Hari , Kavin Vijay , Suma Ningappa

CBCTs in image-guided radiotherapy provide crucial anatomy information for patient setup and plan evaluation. Longitudinal CBCT image registration could quantify the inter-fractional anatomic changes. The purpose of this study is to propose…

图像与视频处理 · 电气工程与系统科学 2023-04-26 Huiqiao Xie , Yang Lei , Yabo Fu , Tonghe Wang , Justin Roper , Jeffrey D. Bradley , Pretesh Patel , Tian Liu , Xiaofeng Yang

Colorectal cancer is a deadly disease that has become increasingly prevalent in recent years. Early detection is crucial for saving lives, but traditional diagnostic methods such as colonoscopy and biopsy have limitations. Colonoscopy…

机器学习 · 统计学 2023-07-18 Shangqing Tong , Peng Ge , Yanan Jiao , Zhaofu Ma , Ziye Li , Longhai Liu , Feng Gao , Xiaohui Du , Fei Gao

One of the key elements of reconstructing a 3D mesh from a monocular video is generating every frame's depth map. However, in the application of colonoscopy video reconstruction, producing good-quality depth estimation is challenging.…

图像与视频处理 · 电气工程与系统科学 2021-11-23 Yubo Zhang , Jan-Michael Frahm , Samuel Ehrenstein , Sarah K. McGill , Julian G. Rosenman , Shuxian Wang , Stephen M. Pizer

Visual SLAM inside the human body will open the way to computer-assisted navigation in endoscopy. However, due to space limitations, medical endoscopes only provide monocular images, leading to systems lacking true scale. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Victor M. Batlle , J. M. M. Montiel , Juan D. Tardos

Deformation estimation of elastic object assuming an internal organ is important for the computer navigation of surgery. The aim of this study is to estimate the deformation of an entire three-dimensional elastic object using displacement…

计算机视觉与模式识别 · 计算机科学 2017-11-29 Utako Yamamoto , Megumi Nakao , Masayuki Ohzeki , Tetsuya Matsuda

Screening mammograms are a routine imaging exam performed to detect breast cancer in its early stages to reduce morbidity and mortality attributed to this disease. In order to maximize the efficacy of breast cancer screening programs,…

图像与视频处理 · 电气工程与系统科学 2020-09-30 Vikash Gupta , Clayton Taylor , Sarah Bonnet , Luciano M. Prevedello , Jeffrey Hawley , Richard D White , Mona G Flores , Barbaros Selnur Erdal

Deep learning models have been proposed for automatic polyp detection and precise segmentation of polyps during colonoscopy procedures. Although these state-of-the-art models achieve high performance, they often require a large number of…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Tugberk Erol , Tuba Caglikantar , Duygu Sarikaya

Colorectal polyps are abnormal tissues growing on the intima of the colon or rectum with a high risk of developing into colorectal cancer, the third leading cause of cancer death worldwide. Early detection and removal of colon polyps via…

计算机视觉与模式识别 · 计算机科学 2021-01-12 Xinzi Sun , Dechun Wang , Chenxi Zhang , Pengfei Zhang , Zinan Xiong , Yu Cao , Benyuan Liu , Xiaowei Liu , Shuijiao Chen

Objective: Organ deformation models have the potential to improve delivery and reduce toxicity of radiotherapy, but existing data-driven motion models are based on either patient-specific or population data. We propose to combine population…

Background: Colonoscopy remains the gold-standard screening for colorectal cancer. However, significant miss rates for polyps have been reported, particularly when there are multiple small adenomas. This presents an opportunity to leverage…

图像与视频处理 · 电气工程与系统科学 2021-06-23 Michael Yeung , Evis Sala , Carola-Bibiane Schönlieb , Leonardo Rundo

Tracking the pose of instruments is a central problem in image-guided surgery. For microscopic scenarios, optical coherence tomography (OCT) is increasingly used as an imaging modality. OCT is suitable for accurate pose estimation due to…

计算机视觉与模式识别 · 计算机科学 2018-03-28 Nils Gessert , Matthias Schlüter , Alexander Schlaefer

Purpose: The gold standard for colorectal cancer metastases detection in the peritoneum is histological evaluation of a removed tissue sample. For feedback during interventions, real-time in-vivo imaging with confocal laser microscopy has…

计算机视觉与模式识别 · 计算机科学 2019-05-28 Nils Gessert , Marcel Bengs , Lukas Wittig , Daniel Drömann , Tobias Keck , Alexander Schlaefer , David B. Ellebrecht

Increased organ at risk segmentation accuracy is required to reduce cost and complications for patients receiving radiotherapy treatment. Some deep learning methods for the segmentation of organs at risk use a two stage process where a…

图像与视频处理 · 电气工程与系统科学 2023-04-11 Abraham George Smith , Denis Kutnár , Ivan Richter Vogelius , Sune Darkner , Jens Petersen

In industrial inspection and component alignment tasks, template matching requires efficient estimation of a target's position and geometric state (rotation and scaling) under complex backgrounds to support precise downstream operations.…

计算机视觉与模式识别 · 计算机科学 2025-10-03 Ke Jia , Ji Zhou , Hanxin Li , Zhigan Zhou , Haojie Chu , Xiaojie Li

Human-robot co-manipulation of soft materials, such as fabrics, composites, and sheets of paper/cardboard, is a challenging operation that presents several relevant industrial applications. Estimating the deformation state of the…

机器人学 · 计算机科学 2023-08-09 Giorgio Nicola , Enrico Villagrossi , Nicola Pedrocchi

We present a new learning-based method for multi-frame depth estimation from a color video, which is a fundamental problem in scene understanding, robot navigation or handheld 3D reconstruction. While recent learning-based methods estimate…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Xiaoxiao Long , Lingjie Liu , Christian Theobalt , Wenping Wang

Computer tomographic colonography, combined with computer-aided detection, is a promising emerging technique for colonic polyp analysis. We present a complete pipeline for polyp detection, starting with a simple colon segmentation technique…

计算机视觉与模式识别 · 计算机科学 2012-10-01 Marcelo Fiori , Pablo Musé , Guillermo Sapiro

Human body is a complex dynamic system composed of various sub-dynamic parts. Especially, thoracic and abdominal organs have complex internal shape variations with different frequencies by various reasons such as respiration with fast…

图像与视频处理 · 电气工程与系统科学 2021-03-10 Seyoun Park , Elliot K. Fishman , Alan L. Yuille

Polyps represent an early sign of the development of Colorectal Cancer. The standard procedure for their detection consists of colonoscopic examination of the gastrointestinal tract. However, the wide range of polyp shapes and visual…

图像与视频处理 · 电气工程与系统科学 2021-10-06 Adrian Galdran , Gustavo Carneiro , Miguel A. González Ballester