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Transfer learning (TL) for medical image segmentation helps deep learning models achieve more accurate performances when there are scarce medical images. This study focuses on completing segmentation of the ribs from lung ultrasound images…

图像与视频处理 · 电气工程与系统科学 2021-10-06 Dorothy Cheng , Edmund Y. Lam

Manipulating deformable objects is a ubiquitous task in household environments, demanding adequate representation and accurate dynamics prediction due to the objects' infinite degrees of freedom. This work proposes DeformNet, which utilizes…

机器人学 · 计算机科学 2024-02-13 Chenchang Li , Zihao Ai , Tong Wu , Xiaosa Li , Wenbo Ding , Huazhe Xu

Abdominal magnetic resonance imaging (MRI) provides a straightforward way of characterizing tissue and locating lesions of patients as in standard diagnosis. However, abdominal MRI often suffers from respiratory motion artifacts, which…

图像与视频处理 · 电气工程与系统科学 2019-06-25 Wenhao Jiang , Zhiyu Liu , Kit-Hang Lee , Shihui Chen , Yui-Lun Ng , Qi Dou , Hing-Chiu Chang , Ka-Wai Kwok

Real-time MR-imaging has been clinically adapted for monitoring thermal therapies since it can provide on-the-fly temperature maps simultaneously with anatomical information. However, proton resonance frequency based thermometry of moving…

Robotic platforms provide consistent and precise tool positioning that significantly enhances retinal microsurgery. Integrating such systems with intraoperative optical coherence tomography (iOCT) enables image-guided robotic interventions,…

While deep learning has achieved significant advances in accuracy for medical image segmentation, its benefits for deformable image registration have so far remained limited to reduced computation times. Previous work has either focused on…

计算机视觉与模式识别 · 计算机科学 2018-12-06 Alessa Hering , Sven Kuckertz , Stefan Heldmann , Mattias Heinrich

Imaging modalities provide clinicians with real-time visualization of anatomical regions of interest (ROI) for the purpose of minimally invasive surgery. During the procedure, low-resolution image data are acquired and registered with…

医学物理 · 物理学 2020-11-10 Haolin Liu , Ye Han , Daniel Emerson , Houriyeh Majditehran , Qi Wang , Yoed Rabin , Levent Burak Kara

Lung cancer ranks as one of the leading causes of cancer diagnosis and is the foremost cause of cancer-related mortality worldwide. The early detection of lung nodules plays a pivotal role in improving outcomes for patients, as it enables…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Jiasen Zhang , Mingrui Yang , Weihong Guo , Brian A. Xavier , Michael Bolen , Xiaojuan Li

Deep learning methods can be found in many medical imaging applications. Recently, those methods were applied directly to the RF ultrasound multi-channel data to enhance the quality of the reconstructed images. In this paper, we apply a…

信号处理 · 电气工程与系统科学 2020-11-23 Nissim Peretz , Arie Feuer

This study investigates the use of the unsupervised deep learning framework VoxelMorph for deformable registration of longitudinal abdominopelvic CT images acquired in patients with bone metastases from breast cancer. The CT images were…

Since, cancer is curable when diagnosed at an early stage, lung cancer screening plays an important role in preventive care. Although both low dose computed tomography (LDCT) and computed tomography (CT) scans provide more medical…

图像与视频处理 · 电气工程与系统科学 2020-07-28 Worawate Ausawalaithong , Sanparith Marukatat , Arjaree Thirach , Theerawit Wilaiprasitporn

In this work we reduce undersampling artefacts in two-dimensional ($2D$) golden-angle radial cine cardiac MRI by applying a modified version of the U-net. We train the network on $2D$ spatio-temporal slices which are previously extracted…

图像与视频处理 · 电气工程与系统科学 2019-08-14 Andreas Kofler , Marc Dewey , Tobias Schaeffter , Christian Wald , Christoph Kolbitsch

Head and neck squamous cell carcinoma (HNSCC) has one of the highest rates of recurrence cases among solid malignancies. Recurrence rates can be reduced by improving positive margins localization. Frozen section analysis (FSA) of resected…

图像与视频处理 · 电气工程与系统科学 2025-11-03 Qingyun Yang , Fangjie Li , Jiayi Xu , Zixuan Liu , Sindhura Sridhar , Whitney Jin , Jennifer Du , Jon Heiselman , Michael Miga , Michael Topf , Jie Ying Wu

New sensing technologies and more advanced processing algorithms are transforming computer-integrated surgery. While researchers are actively investigating depth sensing and 3D reconstruction for vision-based surgical assistance, it remains…

图像与视频处理 · 电气工程与系统科学 2024-01-22 Guido Caccianiga , Julian Nubert , Marco Hutter , Katherine J. Kuchenbecker

Dynamic MRI may capture temporal anatomical changes in soft tissue organs with high contrast but the obtained sequences usually suffer from limited volume coverage which makes the high resolution reconstruction of organ shape trajectories a…

计算机视觉与模式识别 · 计算机科学 2023-02-23 Karim Makki , Amine Bohi , Augustin . C Ogier , Marc Emmanuel Bellemare

Deformable image registration can obtain dynamic information about images, which is of great significance in medical image analysis. The unsupervised deep learning registration method can quickly achieve high registration accuracy without…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Xiao Fan , Shuxin Zhuang , Zhemin Zhuang , Ye Yuan , Shunmin Qiu , Alex Noel Joseph Raj , Yibiao Rong

Ultrasound imaging is a cost-effective and radiation-free modality for visualizing anatomical structures in real-time, making it ideal for guiding surgical interventions. However, its limited field-of-view, speckle noise, and imaging…

图像与视频处理 · 电气工程与系统科学 2024-04-26 Remi Delaunay , Ruisi Zhang , Filipe C. Pedrosa , Navid Feizi , Dianne Sacco , Rajni Patel , Jayender Jagadeesan

Patient-specific cardiac modeling combines geometries of the heart derived from medical images and biophysical simulations to predict various aspects of cardiac function. However, generating simulation-suitable models of the heart from…

图像与视频处理 · 电气工程与系统科学 2023-11-09 Fanwei Kong , Shawn Shadden

We present a novel multilevel approach for deep learning based image registration. Recently published deep learning based registration methods have shown promising results for a wide range of tasks. However, these algorithms are still…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Alessa Hering , Bram van Ginneken , Stefan Heldmann

Minimally invasive procedures have been advanced rapidly by the robotic laparoscopic surgery. The latter greatly assists surgeons in sophisticated and precise operations with reduced invasiveness. Nevertheless, it is still safety critical…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Zeqing Wang , Han Fang , Yihong Xu , Yutong Ban