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Accurate localization of organ boundaries is critical in medical imaging for segmentation, registration, surgical planning, and radiotherapy. While deep convolutional networks (ConvNets) have advanced general-purpose edge detection to…

计算机视觉与模式识别 · 计算机科学 2026-05-11 Aarav Mehta , Priya Deshmukh , Vikram Singh , Siddharth Malhotra , Krishnan Menon Iyer , Tanvi Iyer

Accurately segmenting different organs from medical images is a critical prerequisite for computer-assisted diagnosis and intervention planning. This study proposes a deep learning-based approach for segmenting various organs from CT and…

Representation learning on large-scale unstructured volumetric and surface meshes poses significant challenges in neuroimaging, especially when models must incorporate diverse vertex-level morphometric descriptors, such as cortical…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Yujian Xiong , Mohammad Farazi , Yanxi Chen , Wenhui Zhu , Xuanzhao Dong , Natasha Lepore , Yi Su , Raza Mushtaq , Stephen Foldes , Andrew Yang , Yalin Wang

Photoplethysmography (PPG) signals, which measure changes in blood volume in the skin using light, have recently gained attention in biometric authentication because of their non-invasive acquisition, inherent liveness detection, and…

计算机视觉与模式识别 · 计算机科学 2025-11-07 Arfina Rahman , Mahesh Banavar

Conventional approaches to human mesh recovery predominantly employ a region-based strategy. This involves initially cropping out a human-centered region as a preprocessing step, with subsequent modeling focused on this zoomed-in image.…

计算机视觉与模式识别 · 计算机科学 2024-02-27 Zeyu Wang , Zhenzhen Weng , Serena Yeung-Levy

Geometric Deep Learning has recently made striking progress with the advent of continuous deep implicit fields. They allow for detailed modeling of watertight surfaces of arbitrary topology while not relying on a 3D Euclidean grid,…

计算机视觉与模式识别 · 计算机科学 2022-03-25 Benoit Guillard , Edoardo Remelli , Artem Lukoianov , Stephan R. Richter , Timur Bagautdinov , Pierre Baque , Pascal Fua

Estimating 3D human pose from a single image is a challenging task. This work attempts to address the uncertainty of lifting the detected 2D joints to the 3D space by introducing an intermediate state-Part-Centric Heatmap Triplets…

计算机视觉与模式识别 · 计算机科学 2021-01-13 Kun Zhou , Xiaoguang Han , Nianjuan Jiang , Kui Jia , Jiangbo Lu

Three-dimensional (3D) medical images, such as Computed Tomography (CT) and Magnetic Resonance Imaging (MRI), are essential for clinical applications. However, the need for diverse and comprehensive representations is particularly…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Siwen Wang , Churan Wang , Fei Gao , Lixian Su , Fandong Zhang , Yizhou Wang , Yizhou Yu

Anatomy evaluation is crucial for understanding the physiological state, diagnosing abnormalities, and guiding medical interventions. Statistical shape modeling (SSM) is vital in this process. By enabling the extraction of quantitative…

计算机视觉与模式识别 · 计算机科学 2025-02-12 Krithika Iyer , Mokshagna Sai Teja Karanam , Shireen Elhabian

Creating animatable avatars from static scans requires the modeling of clothing deformations in different poses. Existing learning-based methods typically add pose-dependent deformations upon a minimally-clothed mesh template or a learned…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Hongwen Zhang , Siyou Lin , Ruizhi Shao , Yuxiang Zhang , Zerong Zheng , Han Huang , Yandong Guo , Yebin Liu

Generative models of 3D cardiovascular anatomy can synthesize informative structures for clinical research and medical device evaluation, but face a trade-off between geometric controllability and realism. We propose CardioComposer: a…

图像与视频处理 · 电气工程与系统科学 2026-03-18 Karim Kadry , Shoaib Goraya , Ajay Manicka , Abdalla Abdelwahed , Naravich Chutisilp , Farhad Nezami , Elazer Edelman

Recent years have seen the development of mature solutions for reconstructing deformable surfaces from a single image, provided that they are relatively well-textured. By contrast, recovering the 3D shape of texture-less surfaces remains an…

计算机视觉与模式识别 · 计算机科学 2018-07-30 Jan Bednařík , Pascal Fua , Mathieu Salzmann

The question of representation of 3D geometry is of vital importance when it comes to leveraging the recent advances in the field of machine learning for geometry processing tasks. For common unstructured surface meshes state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2018-09-28 Isaak Lim , Alexander Dielen , Marcel Campen , Leif Kobbelt

3D articulated objects modeling has long been a challenging problem, since it requires to capture both accurate surface geometries and semantically meaningful and spatially precise structures, parts, and joints. Existing methods heavily…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Xiaowen Qiu , Jincheng Yang , Yian Wang , Zhehuan Chen , Yufei Wang , Tsun-Hsuan Wang , Zhou Xian , Chuang Gan

We present FITE, a First-Implicit-Then-Explicit framework for modeling human avatars in clothing. Our framework first learns implicit surface templates representing the coarse clothing topology, and then employs the templates to guide the…

计算机视觉与模式识别 · 计算机科学 2022-07-15 Siyou Lin , Hongwen Zhang , Zerong Zheng , Ruizhi Shao , Yebin Liu

Incremental scene reconstruction is essential to the navigation in robotics. Most of the conventional methods typically make use of either TSDF (truncated signed distance functions) volume or neural networks to implicitly represent the…

机器人学 · 计算机科学 2024-04-30 Shaofan Liu , Junbo Chen , Jianke Zhu

We address the problem of unsupervised learning of complex articulated object models from 3D range data. We describe an algorithm whose input is a set of meshes corresponding to different configurations of an articulated object. The…

计算机视觉与模式识别 · 计算机科学 2012-07-19 Dragomir Anguelov , Daphne Koller , Hoi-Cheung Pang , Praveen Srinivasan , Sebastian Thrun

This research proposes a novel adjustable algorithm for reconstructing 3D body shapes from front and side silhouettes. Most recent silhouette-based approaches use a deep neural network trained by silhouettes and key points to estimate the…

计算机视觉与模式识别 · 计算机科学 2023-01-03 Aref Hemati , Azam Bastanfard

The proliferation of 3D scanning technology has driven a need for methods to interpret geometric data, particularly for human subjects. In this paper we propose an elegant fusion of regression (bottom-up) and generative (top-down) methods…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Benjamin Groisser , Alon Wolf , Ron Kimmel

We propose a scalable neural network framework to reconstruct the 3D mesh of a human body from multi-view images, in the subspace of the SMPL model. Use of multi-view images can significantly reduce the projection ambiguity of the problem,…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Junbang Liang , Ming C. Lin