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Purpose: In laparoscopic liver surgery (LLS), pre-operative information can be overlaid onto the intra-operative scene by registering a 3D pre-operative model to the intra-operative partial surface reconstructed from the laparoscopic video.…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Zixin Yang , Richard Simon , Cristian A. Linte

Accurate liver segmentation in multi-phase MRI is vital for liver fibrosis assessment, yet labeled data is often scarce and unevenly distributed across imaging modalities and vendor systems. We propose a label-efficient segmentation…

计算机视觉与模式识别 · 计算机科学 2026-04-15 Quang-Khai Bui-Tran , Minh-Toan Dinh , Thanh-Huy Nguyen , Ba-Thinh Lam , Mai-Anh Vu , Ulas Bagci

Non-invasive radiological-based lesion characterization and identification, e.g., to differentiate cancer subtypes, has long been a major aim to enhance oncological diagnosis and treatment procedures. Here we study a specific population of…

计算机视觉与模式识别 · 计算机科学 2020-09-01 Yuankai Huo , Jinzheng Cai , Chi-Tung Cheng , Ashwin Raju , Ke Yan , Bennett A. Landman , Jing Xiao , Le Lu , Chien-Hung Liao , Adam P. Harrison

Lesion detection from computed tomography (CT) scans is challenging compared to natural object detection because of two major reasons: small lesion size and small inter-class variation. Firstly, the lesions usually only occupy a small…

计算机视觉与模式识别 · 计算机科学 2019-07-10 Qingyi Tao , Zongyuan Ge , Jianfei Cai , Jianxiong Yin , Simon See

Non-rigid registration is a key component in soft-tissue navigation. We focus on laparoscopic liver surgery, where we register the organ model obtained from a preoperative CT scan to the intraoperative partial organ surface, reconstructed…

图像与视频处理 · 电气工程与系统科学 2020-06-01 Micha Pfeiffer , Carina Riediger , Stefan Leger , Jens-Peter Kühn , Danilo Seppelt , Ralf-Thorsten Hoffmann , Jürgen Weitz , Stefanie Speidel

Accurate segmentation of pulmonary structures iscrucial in clinical diagnosis, disease study, and treatment planning. Significant progress has been made in deep learning-based segmentation techniques, but most require much labeled data for…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Xiaotong Guo , Deqian Yang , Dan Wang , Haochen Zhao , Yuan Li , Zhilin Sui , Tao Zhou , Lijun Zhang , Yanda Meng

Accurate three-dimensional delineation of liver tumors on contrast-enhanced CT is a prerequisite for treatment planning, navigation and response assessment, yet manual contouring is slow, observer-dependent and difficult to standardise…

图像与视频处理 · 电气工程与系统科学 2025-12-09 Xuecheng Li , Weikuan Jia , Komildzhon Sharipov , Alimov Ruslan , Lutfuloev Mazbutdzhon , Ismoilov Shuhratjon , Yuanjie Zheng

We propose a novel procedure to improve liver and lesion segmentation from CT scans for U-Net based models. Our method extends standard segmentation pipelines to focus on higher target recall or reduction of noisy false-positive…

图像与视频处理 · 电气工程与系统科学 2020-03-13 Karsten Roth , Jürgen Hesser , Tomasz Konopczyński

Automatic liver lesion segmentation is a challenging task while having a significant impact on assisting medical professionals in the designing of effective treatment and planning proper care. In this paper we propose a cascaded system that…

图像与视频处理 · 电气工程与系统科学 2020-05-26 Raunak Dey , Yi Hong

Automatic blood vessel extraction from 3D medical images is crucial for vascular disease diagnoses. Existing methods based on convolutional neural networks (CNNs) may suffer from discontinuities of extracted vessels when segmenting such…

图像与视频处理 · 电气工程与系统科学 2020-12-15 Jiafa He , Chengwei Pan , Can Yang , Ming Zhang , Yang Wang , Xiaowei Zhou , Yizhou Yu

Non-rigid registration is essential for Augmented Reality guided laparoscopic liver surgery by fusing preoperative information, such as tumor location and vascular structures, into the limited intraoperative view, thereby enhancing surgical…

While the availability of open 3D medical shape datasets is increasing, offering substantial benefits to the research community, we have found that many of these datasets are, unfortunately, disorganized and contain artifacts. These issues…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Khoa Tuan Nguyen , Francesca Tozzi , Wouter Willaert , Joris Vankerschaver , Nikdokht Rashidian , Wesley De Neve

Accurate liver segmentation from CT scans is essential for effective diagnosis and treatment planning. Computer-aided diagnosis systems promise to improve the precision of liver disease diagnosis, disease progression, and treatment…

图像与视频处理 · 电气工程与系统科学 2024-04-23 Debesh Jha , Nikhil Kumar Tomar , Koushik Biswas , Gorkem Durak , Alpay Medetalibeyoglu , Matthew Antalek , Yury Velichko , Daniela Ladner , Amir Borhani , Ulas Bagci

Localization of anatomical structures is a prerequisite for many tasks in medical image analysis. We propose a method for automatic localization of one or more anatomical structures in 3D medical images through detection of their presence…

计算机视觉与模式识别 · 计算机科学 2017-04-20 Bob D. de Vos , Jelmer M. Wolterink , Pim A. de Jong , Tim Leiner , Max A. Viergever , Ivana Išgum

Volume visualization is a method that displays three-dimensional (3D) data in two-dimensional (2D) space. Using 3D datasets instead of 2D traditional images improves the visualization of anatomical structures, and volume visualization helps…

Kidney volume is greatly affected in several renal diseases. Precise and automatic segmentation of the kidney can help determine kidney size and evaluate renal function. Fully convolutional neural networks have been used to segment organs…

图像与视频处理 · 电气工程与系统科学 2020-09-02 Omid Bazgir , Kai Barck , Richard A. D. Carano , Robby M. Weimer , Luke Xie

Automatic segmentation of medical images is among most demanded works in the medical information field since it saves time of the experts in the field and avoids human error factors. In this work, a method based on Conditional Adversarial…

计算机视觉与模式识别 · 计算机科学 2018-11-29 Bora Baydar , Savas Ozkan , Gozde Bozdagi Akar

Optical coherence tomography (OCT) is a non-invasive 3D modality widely used in ophthalmology for imaging the retina. Achieving automated, anatomically coherent retinal layer segmentation on OCT is important for the detection and monitoring…

图像与视频处理 · 电气工程与系统科学 2022-10-26 Botond Fazekas , Guilherme Aresta , Dmitrii Lachinov , Sophie Riedl , Julia Mai , Ursula Schmidt-Erfurth , Hrvoje Bogunovic

In drug discovery, accurate lung tumor segmentation is an important step for assessing tumor size and its progression using \textit{in-vivo} imaging such as MRI. While deep learning models have been developed to automate this process, the…

图像与视频处理 · 电气工程与系统科学 2024-11-11 Piotr Kaniewski , Fariba Yousefi , Yeman Brhane Hagos , Talha Qaiser , Nikolay Burlutskiy

Deep learning-based medical image segmentation and surface mesh generation typically involve a sequential pipeline from image to segmentation to meshes, often requiring large training datasets while making limited use of prior geometric…