中文
相关论文

相关论文: Unsupervised Landmark Detection Based Spatiotempor…

200 篇论文

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

Motion artifacts in Magnetic Resonance Imaging (MRI) are one of the frequently occurring artifacts due to patient movements during scanning. Motion is estimated to be present in approximately 30% of clinical MRI scans; however, motion has…

图像与视频处理 · 电气工程与系统科学 2024-05-29 Zhifeng Chen , Kamlesh Pawar , Kh Tohidul Islam , Himashi Peiris , Gary Egan , Zhaolin Chen

This study proposed a deep learning-based tracking method for ultrasound (US) image-guided radiation therapy. The proposed cascade deep learning model is composed of an attention network, a mask region-based convolutional neural network…

计算机视觉与模式识别 · 计算机科学 2023-02-15 Yupei Zhang , Xianjin Dai , Zhen Tian , Yang Lei , Jacob F. Wynne , Pretesh Patel , Yue Chen , Tian Liu , Xiaofeng Yang

Cardiac magnetic resonance (CMR) sequences visualise the cardiac function voxel-wise over time. Simultaneously, deep learning-based deformable image registration is able to estimate discrete vector fields which warp one time step of a CMR…

计算机视觉与模式识别 · 计算机科学 2022-09-20 Sven Koehler , Tarique Hussain , Hamza Hussain , Daniel Young , Samir Sarikouch , Thomas Pickhardt , Gerald Greil , Sandy Engelhardt

We propose a novel landmarks-assisted collaborative end-to-end deep framework for automatic 4D FER. Using 4D face scan data, we calculate its various geometrical images, and afterwards use rank pooling to generate their dynamic images…

计算机视觉与模式识别 · 计算机科学 2020-02-10 Muzammil Behzad , Nhat Vo , Xiaobai Li , Guoying Zhao

We investigate the problem of estimating the 3D shape of an object defined by a set of 3D landmarks, given their 2D correspondences in a single image. A successful approach to alleviating the reconstruction ambiguity is the 3D deformable…

计算机视觉与模式识别 · 计算机科学 2017-01-12 Xiaowei Zhou , Menglong Zhu , Spyridon Leonardos , Kostas Daniilidis

In this work, we introduce a fast and accurate method for unsupervised 3D medical image registration. This work is built on top of a recent algorithm SAM, which is capable of computing dense anatomical/semantic correspondences between two…

图像与视频处理 · 电气工程与系统科学 2021-09-27 Fengze Liu , Ke Yan , Adam Harrison , Dazhou Guo , Le Lu , Alan Yuille , Lingyun Huang , Guotong Xie , Jing Xiao , Xianghua Ye , Dakai Jin

Recent geometric methods need reliable estimates of 3D motion parameters to procure accurate dense depth map of a complex dynamic scene from monocular images \cite{kumar2017monocular, ranftl2016dense}. Generally, to estimate…

计算机视觉与模式识别 · 计算机科学 2019-03-26 Suryansh Kumar , Ram Srivatsav Ghorakavi , Yuchao Dai , Hongdong Li

Robotic manipulation systems operating in complex environments rely on perception systems that provide information about the geometry (pose and 3D shape) of the objects in the scene along with other semantic information such as object…

机器人学 · 计算机科学 2023-05-17 Shubham Agrawal , Nikhil Chavan-Dafle , Isaac Kasahara , Selim Engin , Jinwook Huh , Volkan Isler

In biomechanical modeling, the representation of ligament attachments is crucial for a realistic simulation of the forces acting between the vertebrae. These forces are typically modeled as vectors connecting ligament landmarks on adjacent…

计算机视觉与模式识别 · 计算机科学 2026-01-26 Lara Blomenkamp , Ivanna Kramer , Sabine Bauer , Theresa Schöche

3D anatomical landmarks play an important role in health research. Their automated prediction/localization thus becomes a vital task. In this paper, we introduce a deformation method for 3D anatomical landmarks prediction. It utilizes a…

计算机视觉与模式识别 · 计算机科学 2021-10-05 Sheldon Fung , Xuequan Lu , Mantas Mykolaitis , Gediminas Kostkevicius , Domantas Ozerenskis

In recent years, coordinate-based neural implicit representations have shown promising results for the task of Simultaneous Localization and Mapping (SLAM). While achieving impressive performance on small synthetic scenes, these methods…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Kunyi Li , Michael Niemeyer , Nassir Navab , Federico Tombari

In multi-view 3D human pose estimation, models typically rely on images captured simultaneously from different camera views to predict a pose at a specific moment. While providing accurate spatial information, this traditional approach…

计算机视觉与模式识别 · 计算机科学 2026-05-15 Ling Li , Changjie Chen , Yuyan Wang , Jiaqing Lyu , Kenglun Chang , Yiyun Chen , Zhidong Deng

Anatomical landmark correspondences in medical images can provide additional guidance information for the alignment of two images, which, in turn, is crucial for many medical applications. However, manual landmark annotation is…

计算机视觉与模式识别 · 计算机科学 2020-04-09 Monika Grewal , Timo M. Deist , Jan Wiersma , Peter A. N. Bosman , Tanja Alderliesten

One usage of medical ultrasound imaging is to visualize and characterize human tongue shape and motion during a real-time speech to study healthy or impaired speech production. Due to the low-contrast characteristic and noisy nature of…

计算机视觉与模式识别 · 计算机科学 2020-03-20 M. Hamed Mozaffari , Won-Sook Lee

Image segmentation is the foundation of several computer vision tasks, where pixel-wise knowledge is a prerequisite for achieving the desired target. Deep learning has shown promising performance in supervised image segmentation. However,…

图像与视频处理 · 电气工程与系统科学 2024-03-19 Boujemaa Guermazi , Riadh Ksantini , Naimul Khan

This paper introduces a fast algorithm for randomized computation of a low-rank Dynamic Mode Decomposition (DMD) of a matrix. Here we consider this matrix to represent the development of a spatial grid through time e.g. data from a static…

计算机视觉与模式识别 · 计算机科学 2016-04-12 N. Benjamin Erichson , Carl Donovan

The ability to detect and segment moving objects in a scene is essential for building consistent maps, making future state predictions, avoiding collisions, and planning. In this paper, we address the problem of moving object segmentation…

机器人学 · 计算机科学 2021-07-15 Xieyuanli Chen , Shijie Li , Benedikt Mersch , Louis Wiesmann , Jürgen Gall , Jens Behley , Cyrill Stachniss

Tracking non-rigidly deforming scenes using range sensors has numerous applications including computer vision, AR/VR, and robotics. However, due to occlusions and physical limitations of range sensors, existing methods only handle the…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Yang Li , Hikari Takehara , Takafumi Taketomi , Bo Zheng , Matthias Nießner

Automatic and accurate detection of anatomical landmarks is an essential operation in medical image analysis with a multitude of applications. Recent deep learning methods have improved results by directly encoding the appearance of the…

计算机视觉与模式识别 · 计算机科学 2021-05-20 Guang-Quan Zhou , Juzheng Miao , Xin Yang , Rui Li , En-Ze Huo , Wenlong Shi , Yuhao Huang , Jikuan Qian , Chaoyu Chen , Dong Ni