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Intraoperative shape reconstruction of organs from endoscopic camera images is a complex yet indispensable technique for image-guided surgery. To address the uncertainty in reconstructing entire shapes from single-viewpoint occluded images,…

计算机视觉与模式识别 · 计算机科学 2023-01-27 Tomoki Oya , Megumi Nakao , Tetsuya Matsuda

Recent advancements in biomedical image analysis have been significantly driven by the Segment Anything Model (SAM). This transformative technology, originally developed for general-purpose computer vision, has found rapid application in…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Ho Hin Lee , Yu Gu , Theodore Zhao , Yanbo Xu , Jianwei Yang , Naoto Usuyama , Cliff Wong , Mu Wei , Bennett A. Landman , Yuankai Huo , Alberto Santamaria-Pang , Hoifung Poon

In recent years, "U-shaped" neural networks featuring encoder and decoder structures have gained popularity in the field of medical image segmentation. Various variants of this model have been developed. Nevertheless, the evaluation of…

图像与视频处理 · 电气工程与系统科学 2023-06-02 Qi Ye , Lihua Guo

Image segmentation is a central topic in image processing and computer vision and a key issue in many applications, e.g., in medical imaging, microscopy, document analysis and remote sensing. According to the human perception, image…

数值分析 · 数学 2022-06-24 Laura Antonelli , Valentina De Simone , Daniela di Serafino

X-ray tomography has been studied in various fields. Although a great deal of effort has been directed at reconstructing the projection image set from a rigid-type specimen, little attention has been addressed to the reconstruction of…

计算物理 · 物理学 2018-07-04 Kyungtaek Jun , Dongwook Kim

Robot-guided catheter insertion has the potential to deliver urgent medical care in situations where medical personnel are unavailable. However, this technique requires accurate and reliable segmentation of anatomical landmarks in the body.…

图像与视频处理 · 电气工程与系统科学 2023-01-19 Cecilia Morales , Jason Yao , Tejas Rane , Robert Edman , Howie Choset , Artur Dubrawski

Recently, developing unified medical image segmentation models gains increasing attention, especially with the advent of the Segment Anything Model (SAM). SAM has shown promising binary segmentation performance in natural domains, however,…

计算机视觉与模式识别 · 计算机科学 2024-12-18 Shuangping Huang , Hao Liang , Qingfeng Wang , Chulong Zhong , Zijian Zhou , Miaojing Shi

Ultrasound imaging, as a noninvasive, real-time, and low-cost modality, plays a vital role in clinical diagnosis, catheterization intervention, and portable devices. With the development of transducer hardware and the continuous progress of…

医学物理 · 物理学 2025-07-22 Xuyang Chen , Mingtong Chen , Zhengbao Yang

The most recent advances in medical imaging that have transformed diagnosis, especially in the case of interpreting X-ray images, are actively involved in the healthcare sector. The advent of digital image processing technology and the…

图像与视频处理 · 电气工程与系统科学 2024-06-21 Abhishek Swami , Snehal Farande , Atharv Patil , Atharva Parle , Vivekanand Mane , Prathamesh Thorat

Medical experts often manually segment images to obtain diagnostic statistics and discard the resulting annotations. We aim to train segmentation models to alleviate this burden, but constrained to the retained summary statistics (e.g., the…

计算机视觉与模式识别 · 计算机科学 2026-05-06 Omkar Kulkarni , Edward Raff , Tim Oates

Computed tomography (CT) scans offer a detailed, three-dimensional representation of patients' internal organs. However, conventional CT reconstruction techniques necessitate acquiring hundreds or thousands of x-ray projections through a…

图像与视频处理 · 电气工程与系统科学 2023-11-27 Chulong Zhang , Lin Liu , Jingjing Dai , Xuan Liu , Wenfeng He , Yinping Chan , Yaoqin Xie , Feng Chi , Xiaokun Liang

The need for tomographic reconstruction from sparse measurements arises when the measurement process is potentially harmful, needs to be rapid, or is uneconomical. In such cases, information from previous longitudinal scans of the same…

图像与视频处理 · 电气工程与系统科学 2019-09-13 Preeti Gopal , Sharat Chandran , Imants Svalbe , Ajit Rajwade

Learning by imitation is one of the most significant abilities of human beings and plays a vital role in human's computational neural system. In medical image analysis, given several exemplars (anchors), experienced radiologist has the…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Hong-Yu Zhou , Hualuo Liu , Shilei Cao , Dong Wei , Chixiang Lu , Yizhou Yu , Kai Ma , Yefeng Zheng

Medical image segmentation is an increasingly popular area of research in medical imaging processing and analysis. However, many researchers who are new to the field struggle with basic concepts. This tutorial paper aims to provide an…

图像与视频处理 · 电气工程与系统科学 2023-04-13 Diedre Carmo , Gustavo Pinheiro , Lívia Rodrigues , Thays Abreu , Roberto Lotufo , Letícia Rittner

Anatomical structures such as blood vessels in contrast-enhanced CT (ceCT) images can be challenging to segment due to the variability in contrast medium diffusion. The combined use of ceCT and contrast-free (CT) CT images can improve the…

图像与视频处理 · 电气工程与系统科学 2022-10-05 Giammarco La Barbera , Haithem Boussaid , Francesco Maso , Sabine Sarnacki , Laurence Rouet , Pietro Gori , Isabelle Bloch

While the Segment Anything Model (SAM) excels in semantic segmentation for general-purpose images, its performance significantly deteriorates when applied to medical images, primarily attributable to insufficient representation of medical…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Yiming Zhang , Tianang Leng , Kun Han , Xiaohui Xie

This paper proposes the use of an end-to-end Convolutional Neural Network for direct reconstruction of the 3D geometry of humans via volumetric regression. The proposed method does not require the fitting of a shape model and can be trained…

计算机视觉与模式识别 · 计算机科学 2018-09-12 Aaron S. Jackson , Chris Manafas , Georgios Tzimiropoulos

Multi-organ segmentation in medical images is a widely researched task and can save much manual efforts of clinicians in daily routines. Automating the organ segmentation process using deep learning (DL) is a promising solution and…

图像与视频处理 · 电气工程与系统科学 2024-03-07 Chang Liu , Fuxin Fan , Annette Schwarz , Andreas Maier

We consider the problem of reconstructing an image from compressive measurements using a multi-resolution grid. In this context, the reconstructed image is divided into multiple regions, each one with a different resolution. This problem…

计算机视觉与模式识别 · 计算机科学 2016-02-19 Adriana Gonzalez , Hong Jiang , Gang Huang , Laurent Jacques

Anatomical segmentation of organs in ultrasound images is essential to many clinical applications, particularly for diagnosis and monitoring. Existing deep neural networks require a large amount of labeled data for training in order to…

图像与视频处理 · 电气工程与系统科学 2023-08-01 Yordanka Velikova , Mohammad Farid Azampour , Walter Simson , Vanessa Gonzalez Duque , Nassir Navab