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We aim to track the endoscope location inside the surgical scene and provide 3D reconstruction, in real-time, from the sole input of the image sequence captured by the monocular endoscope. This information offers new possibilities for…

计算机视觉与模式识别 · 计算机科学 2016-08-30 Nader Mahmoud , Iñigo Cirauqui , Alexandre Hostettler , Christophe Doignon , Luc Soler , Jacques Marescaux , J. M. M. Montiel

In recent years, the application of machine learning to minimally invasive surgery (MIS) has attracted considerable interest. Datasets are critical to the use of such techniques. This paper presents a unique dataset recorded during ex vivo…

Purpose: To improve kidney segmentation in clinical ultrasound (US) images, we develop a new graph cuts based method to segment kidney US images by integrating original image intensity information and texture feature maps extracted using…

计算机视觉与模式识别 · 计算机科学 2017-06-13 Qiang Zheng , Steven Warner , Gregory Tasian , Yong Fan

An automatic evidential segmentation method based on Dempster-Shafer theory and deep learning is proposed to segment lymphomas from three-dimensional Positron Emission Tomography (PET) and Computed Tomography (CT) images. The architecture…

计算机视觉与模式识别 · 计算机科学 2022-11-21 Ling Huang , Su Ruan , Pierre Decazes , Thierry Denoeux

Purpose: Accurate segmentation of both the pituitary gland and adenomas from magnetic resonance imaging (MRI) is essential for diagnosis and treatment of pituitary adenomas. This systematic review evaluates automatic segmentation methods…

图像与视频处理 · 电气工程与系统科学 2025-06-25 Mubaraq Yakubu , Navodini Wijethilake , Jonathan Shapey , Andrew King , Alexander Hammers

Kidney stones can cause severe pain and complications such as chronic kidney disease or kidney failure. Retrograde intrarenal surgery (RIRS), which uses laser lithotripsy to fragment stones for removal via a ureteroscope, is widely adopted…

应用物理 · 物理学 2025-04-17 Yilong Chang , Jasmine Vallejo , Yangqing Sun , Ruike Renee Zhao

The three scanning electron microscope diffraction based techniques of electron channelling patterns (ECPs), electron channelling contrast imaging (ECCI), and electron back scatter diffraction (EBSD) are reviewed. The dynamical diffraction…

材料科学 · 物理学 2019-04-12 AJ Wilkinson , PB Hirsch

Accurate segmentation of prostate and surrounding organs at risk is important for prostate cancer radiotherapy treatment planning. We present a fully automated workflow for male pelvic CT image segmentation using deep learning. The…

Colorectal polyps are important precursors to colon cancer, a major health problem. Colon capsule endoscopy (CCE) is a safe and minimally invasive examination procedure, in which the images of the intestine are obtained via digital cameras…

计算机视觉与模式识别 · 计算机科学 2014-07-15 Alexander V. Mamonov , Isabel N. Figueiredo , Pedro N. Figueiredo , Yen-Hsi Richard Tsai

Colon polyps are considered important precursors for colorectal cancer. Automatic segmentation of colon polyps can significantly reduce the misdiagnosis of colon cancer and improve physician annotation efficiency. While many methods have…

图像与视频处理 · 电气工程与系统科学 2023-05-02 Yuheng Li , Mingzhe Hu , Xiaofeng Yang

Purpose Segmentation of the liver from abdominal computed tomography (CT) image is an essential step in some computer assisted clinical interventions, such as surgery planning for living donor liver transplant (LDLT), radiotherapy and…

计算机视觉与模式识别 · 计算机科学 2016-05-11 Fang Lu , Fa Wu , Peijun Hu , Zhiyi Peng , Dexing Kong

Accurate automatic liver and tumor segmentation plays a vital role in treatment planning and disease monitoring. Recently, deep convolutional neural network (DCNNs) has obtained tremendous success in 2D and 3D medical image segmentation.…

计算机视觉与模式识别 · 计算机科学 2022-03-24 Ziyuan Zhao , Zeyu Ma , Yanjie Liu , Zeng Zeng , Pierce KH Chow

Lumbar disk segmentation is essential for diagnosing and curing spinal disorders by enabling precise detection of disk boundaries in medical imaging. The advent of deep learning has resulted in the development of many segmentation methods,…

图像与视频处理 · 电气工程与系统科学 2024-12-30 Serkan Salturk , Irem Sayin , Ibrahim Cem Balci , Taha Emre Pamukcu , Zafer Soydan , Huseyin Uvet

PET/CT imaging is the gold standard for tumor detection, offering high accuracy in identifying local and metastatic lesions. Radiologists often begin assessment with rotational Multi-Angle Maximum Intensity Projections (MIPs) from PET,…

图像与视频处理 · 电气工程与系统科学 2025-10-13 Romario Zarik , Nahum Kiryati , Michael Green , Liran Domachevsky , Arnaldo Mayer

Colonoscopy is the primary method for examination, detection, and removal of polyps. However, challenges such as variations among the endoscopists' skills, bowel quality preparation, and the complex nature of the large intestine contribute…

The detection and removal of precancerous polyps through colonoscopy is the primary technique for the prevention of colorectal cancer worldwide. However, the miss rate of colorectal polyp varies significantly among the endoscopists. It is…

图像与视频处理 · 电气工程与系统科学 2022-06-24 Nikhil Kumar Tomar , Abhishek Srivastava , Ulas Bagci , Debesh Jha

Model-based reconstruction employing the time separation technique (TST) was found to improve dynamic perfusion imaging of the liver using C-arm cone-beam computed tomography (CBCT). To apply TST using prior knowledge extracted from CT…

Automatic image segmentation becomes very crucial for tumor detection in medical image processing.In general, manual and semi automatic segmentation techniques require more time and knowledge. However these drawbacks had overcome by…

计算机视觉与模式识别 · 计算机科学 2016-03-09 D. Anithadevi , K. Perumal

Fluorescence microscopy is an essential tool for the analysis of 3D subcellular structures in tissue. An important step in the characterization of tissue involves nuclei segmentation. In this paper, a two-stage method for segmentation of…

图像与视频处理 · 电气工程与系统科学 2020-01-10 David Joon Ho , Shuo Han , Chichen Fu , Paul Salama , Kenneth W. Dunn , Edward J. Delp

Segmentation of biomedical images can assist radiologists to make a better diagnosis and take decisions faster by helping in the detection of abnormalities, such as tumors. Manual or semi-automated segmentation, however, can be a…

图像与视频处理 · 电气工程与系统科学 2021-02-11 Dhanunjaya Mitta , Soumick Chatterjee , Oliver Speck , Andreas Nürnberger