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Statistical shape modeling aims at capturing shape variations of an anatomical structure that occur within a given population. Shape models are employed in many tasks, such as shape reconstruction and image segmentation, but also shape…

计算机视觉与模式识别 · 计算机科学 2022-09-16 David Lüdke , Tamaz Amiranashvili , Felix Ambellan , Ivan Ezhov , Bjoern Menze , Stefan Zachow

Clinical investigations of anatomy's structural changes over time could greatly benefit from population-level quantification of shape, or spatiotemporal statistic shape modeling (SSM). Such a tool enables characterizing patient organ cycles…

机器学习 · 计算机科学 2022-09-08 Jadie Adams , Nawazish Khan , Alan Morris , Shireen Elhabian

Deep learning has made significant progress in protein structure prediction, advancing the development of computational biology. However, despite the high accuracy achieved in predicting single-chain structures, a significant number of…

生物大分子 · 定量生物学 2024-03-08 Zhaoqun Li , Jingcheng Yu , Qiwei Ye

The human nose exhibits a huge variation in shape among individuals. All these variants alter the airflow through the nasal cavity and can impact how we smell odors. To acquire a better understanding of physiological and pathological…

Establishing the structure-property relationship in amorphous materials has been a long-term grand challenge due to the lack of a unified description of the degree of disorder. In this work, we develop SPRamNet, a neural network based…

材料科学 · 物理学 2024-10-07 Mouyang Cheng , Chenyan Wang , Chenxin Qin , Yuxiang Zhang , Qingyuan Zhang , Han Li , Ji Chen

Deep neural networks (DNNs) have demonstrated remarkable success in medical imaging, yet their real-world deployment remains challenging due to spurious correlations, where models can learn non-clinical features instead of meaningful…

图像与视频处理 · 电气工程与系统科学 2025-10-03 Jong Bum Won , Wesley De Neve , Joris Vankerschaver , Utku Ozbulak

Learning a medical image segmentation model is an inherently ambiguous task, as uncertainties exist in both images (noise) and manual annotations (human errors and bias) used for model training. To build a trustworthy image segmentation…

图像与视频处理 · 电气工程与系统科学 2023-08-17 Xinyu Bai , Wenjia Bai

We introduce a new framework for learning dense correspondence between deformable 3D shapes. Existing learning based approaches model shape correspondence as a labelling problem, where each point of a query shape receives a label…

计算机视觉与模式识别 · 计算机科学 2017-08-01 Or Litany , Tal Remez , Emanuele Rodolà , Alex M. Bronstein , Michael M. Bronstein

Parametric 3D models have formed a fundamental role in modeling deformable objects, such as human bodies, faces, and hands; however, the construction of such parametric models requires significant manual intervention and domain expertise.…

计算机视觉与模式识别 · 计算机科学 2022-01-21 Pablo Palafox , Nikolaos Sarafianos , Tony Tung , Angela Dai

We study end-to-end learning strategies for 3D shape inference from images, in particular from a single image. Several approaches in this direction have been investigated that explore different shape representations and suitable learning…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Roman Klokov , Jakob Verbeek , Edmond Boyer

We present a novel sparse modeling approach to non-rigid shape matching using only the ability to detect repeatable regions. As the input to our algorithm, we are given only two sets of regions in two shapes; no descriptors are provided so…

图形学 · 计算机科学 2012-10-01 J. Pokrass , A. M. Bronstein , M. M. Bronstein , P. Sprechmann , G. Sapiro

With the increasing reliance of self-driving and similar robotic systems on robust 3D vision, the processing of LiDAR scans with deep convolutional neural networks has become a trend in academia and industry alike. Prior attempts on the…

计算机视觉与模式识别 · 计算机科学 2023-11-20 Ran Cheng , Christopher Agia , Yuan Ren , Xinhai Li , Liu Bingbing

This paper addresses the problem of 3D human body shape and pose estimation from RGB images. Some recent approaches to this task predict probability distributions over human body model parameters conditioned on the input images. This is…

计算机视觉与模式识别 · 计算机科学 2021-12-01 Akash Sengupta , Ignas Budvytis , Roberto Cipolla

We propose PSSNet, a network architecture for generating diverse plausible 3D reconstructions from a single 2.5D depth image. Existing methods tend to produce only small variations on a single shape, even when multiple shapes are consistent…

机器人学 · 计算机科学 2020-11-19 Brad Saund , Dmitry Berenson

Understanding 3D object shapes necessitates shape representation by object parts abstracted from results of instance and semantic segmentation. Promising shape representations enable computers to interpret a shape with meaningful parts and…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Jiaxin Li , Hongxing Wang , Jiawei Tan , Zhilong Ou , Junsong Yuan

With the rapid development of online advertising and recommendation systems, click-through rate prediction is expected to play an increasingly important role.Recently many DNN-based models which follow a similar Embedding&MLP paradigm have…

机器学习 · 统计学 2019-05-01 Chenglei Niu , Guojing Zhong , Ying Liu , Yandong Zhang , Yongsheng Sun , Ailong He , Zhaoji Chen

Particle-based shape modeling (PSM) is a family of approaches that automatically quantifies shape variability across anatomical cohorts by positioning particles (pseudo landmarks) on shape surfaces in a consistent configuration. Recent…

计算机视觉与模式识别 · 计算机科学 2025-07-11 Hong Xu , Shireen Y. Elhabian

In clinical practice, regions of interest in medical imaging often need to be identified through a process of precise image segmentation. The quality of this image segmentation step critically affects the subsequent clinical assessment of…

图像与视频处理 · 电气工程与系统科学 2021-03-23 João B. S. Carvalho , João A. Santinha , Đorđe Miladinović , Joachim M. Buhmann

In scanning microscopy based imaging techniques, there is a need to develop novel data acquisition schemes that can reduce the time for data acquisition and minimize sample exposure to the probing radiation. Sparse sampling schemes are…

信号处理 · 电气工程与系统科学 2018-03-09 Yan Zhang , G. M. Dilshan Godaliyadda , Nicola Ferrier , Emine B. Gulsoy , Charles A. Bouman , Charudatta Phatak

Structural magnetic resonance imaging (sMRI) can identify subtle brain changes due to its high contrast for soft tissues and high spatial resolution. It has been widely used in diagnosing neurological brain diseases, such as Alzheimer…

图像与视频处理 · 电气工程与系统科学 2023-11-14 Xin Zhang , Liangxiu Han , Lianghao Han , Haoming Chen , Darren Dancey , Daoqiang Zhang