中文
相关论文

相关论文: Hyperbolic Chamfer Distance for Point Cloud Comple…

200 篇论文

In large-scale recommender systems, the user-item networks are generally scale-free or expand exponentially. The latent features (also known as embeddings) used to describe the user and item are determined by how well the embedding space…

信息检索 · 计算机科学 2022-05-31 Menglin Yang , Min Zhou , Jiahong Liu , Defu Lian , Irwin King

This paper focuses on two main issues; first one is the impact of Similarity Search to learning the training sample in metric space, and searching based on supervised learning classi-fication. In particular, four metrics space searching are…

计算机视觉与模式识别 · 计算机科学 2013-09-27 Firouz Abdullah Al-Wassai , N. V. Kalyankar

Point clouds collected from real-world environments are often incomplete due to factors such as limited sensor resolution, single viewpoints, occlusions, and noise. These challenges make point cloud completion essential for various…

计算机视觉与模式识别 · 计算机科学 2025-09-30 Yifan Yang , Yuxiang Yan , Boda Liu , Jian Pu

This paper investigates the use of deep learning approaches to estimate the femur caput-collum-diaphyseal (CCD) angle from X-ray images. The CCD angle is an important measurement in the diagnosis of hip problems, and correct prediction can…

图像与视频处理 · 电气工程与系统科学 2024-05-28 Muhammad Abdullah , Anne Querfurth , Deepak Bhatia , Mahdi Mantash

Uncertainty Quantification (UQ) is crucial for ensuring the reliability of machine learning models deployed in real-world autonomous systems. However, existing approaches typically quantify task-level output prediction uncertainty without…

计算机视觉与模式识别 · 计算机科学 2025-03-27 Luke Chen , Junyao Wang , Trier Mortlock , Pramod Khargonekar , Mohammad Abdullah Al Faruque

Out-Of-Distribution (OOD) detection is critical to deploy deep learning models in safety-critical applications. However, the inherent hierarchical concept structure of visual data, which is instrumental to OOD detection, is often poorly…

计算机视觉与模式识别 · 计算机科学 2024-09-26 Alvaro Gonzalez-Jimenez , Simone Lionetti , Dena Bazazian , Philippe Gottfrois , Fabian Gröger , Marc Pouly , Alexander Navarini

We present a proof-of-concept study of a method to estimate the inclination angle of compact high velocity clouds (CHVCs), i.e. the angle between a CHVC's trajectory and the line-of-sight. The inclination angle is derived from the CHVC's…

星系天体物理 · 物理学 2016-07-27 F. Heitsch , B. Bartell , S. E. Clark , J. E. G. Peek , D. Cheng , M. Putman

Accurate segmentation and motion estimation of myocardium have always been important in clinic field, which essentially contribute to the downstream diagnosis. However, existing methods cannot always guarantee the shape integrity for…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Xiaoling Hu , Xiao Chen , Yikang Liu , Eric Z. Chen , Terrence Chen , Shanhui Sun

Hyperdimensional computing (HDC) enables efficient data encoding and processing in high-dimensional space, benefiting machine learning and data analysis. However, underutilization of these spaces can lead to overfitting and reduced model…

机器学习 · 计算机科学 2025-01-15 SungHeon Jeong , Hamza Errahmouni Barkam , Sanggeon Yun , Yeseong Kim , Shaahin Angizi , Mohsen Imani

Learning good image representations that are beneficial to downstream tasks is a challenging task in computer vision. As such, a wide variety of self-supervised learning approaches have been proposed. Among them, contrastive learning has…

计算机视觉与模式识别 · 计算机科学 2023-02-06 Yun Yue , Fangzhou Lin , Kazunori D Yamada , Ziming Zhang

We present a new method for real-time non-rigid dense correspondence between point clouds based on structured shape construction. Our method, termed Deep Point Correspondence (DPC), requires a fraction of the training data compared to…

计算机视觉与模式识别 · 计算机科学 2021-12-15 Itai Lang , Dvir Ginzburg , Shai Avidan , Dan Raviv

Reference-driven image completion, which restores missing regions in a target view using additional images, is particularly challenging when the target view differs significantly from the references. Existing generative methods rely solely…

计算机视觉与模式识别 · 计算机科学 2025-10-06 Beibei Lin , Tingting Chen , Robby T. Tan

Deep metric learning (DML) aims to learn a neural network mapping data to an embedding space, which can represent semantic similarity between data points. Hyperbolic space is attractive for DML since it can represent richer structures, such…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Shozo Saeki , Minoru Kawahara , Hirohisa Aman

Measuring the quasar distance through joint analysis of spectroastrometry (SA) and reverberation mapping (RM) observations is a new method for driving the development of cosmology. In this paper, we carry out detailed simulation and…

高能天体物理现象 · 物理学 2022-03-14 Ying-Ke Huang , Yue-Dong Fang , Kai-Xing Lu , Zhi-Xiang Zhang , Ji-Lin Liu , Sha-sha Li , Bao-Rui Luo , Qin Lin , Zhuo-Xi Huo

3D scanning is a complex multistage process that generates a point cloud of an object typically containing damaged parts due to occlusions, reflections, shadows, scanner motion, specific properties of the object surface, imperfect…

计算机视觉与模式识别 · 计算机科学 2022-01-07 Taras Rumezhak , Oles Dobosevych , Rostyslav Hryniv , Vladyslav Selotkin , Volodymyr Karpiv , Mykola Maksymenko

Body condition score (BCS) is a widely used indicator of body energy status and is closely associated with metabolic status, reproductive performance, and health in dairy cattle; however, conventional visual scoring is subjective and…

Single-view point cloud completion aims to recover the full geometry of an object based on only limited observation, which is extremely hard due to the data sparsity and occlusion. The core challenge is to generate plausible geometries to…

计算机视觉与模式识别 · 计算机科学 2022-10-05 Bowen Zhang , Xi Zhao , He Wang , Ruizhen Hu

High calorie intake in the human body on the one hand, has proved harmful in numerous occasions leading to several diseases and on the other hand, a standard amount of calorie intake has been deemed essential by dieticians to maintain the…

计算机与社会 · 计算机科学 2015-03-24 Pallavi Kuhad , Abdulsalam Yassine , Shervin Shirmohammadi

We introduce a differential visual similarity metric to train deep neural networks for 3D reconstruction, aimed at improving reconstruction quality. The metric compares two 3D shapes by measuring distances between multi-view images…

图形学 · 计算机科学 2020-04-02 Jiongchao Jin , Akshay Gadi Patil , Zhang Xiong , Hao Zhang

Hyperbolic spaces allow for more efficient modeling of complex, hierarchical structures, which is particularly beneficial in tasks involving multi-modal data. Although hyperbolic geometries have been proven effective for language-image…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Yingjie Liu , Pengyu Zhang , Ziyao He , Mingsong Chen , Xuan Tang , Xian Wei