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Hypergraph spectral analysis has emerged as an effective tool processing complex data structures in data analysis. The surface of a three-dimensional (3D) point cloud and the multilateral relationship among their points can be naturally…

信号处理 · 电气工程与系统科学 2021-01-01 Songyang Zhang , Shuguang Cui , Zhi Ding

Feature selection is a critical step in the analysis of high-dimensional data, where the number of features often vastly exceeds the number of samples. Effective feature selection not only improves model performance and interpretability but…

机器学习 · 计算机科学 2025-01-27 Raquel Espinosa , Gracia Sánchez , José Palma , Fernando Jiménez

3D fluorescence microscopy of living organisms has increasingly become an essential and powerful tool in biomedical research and diagnosis. An exploding amount of imaging data has been collected, whereas efficient and effective…

图像与视频处理 · 电气工程与系统科学 2019-11-28 Yang Jiao , Mo Weng , Mei Yang

Perception research provides strong evidence in favor of part based representation of shapes in human visual system. Despite considerable differences among different theories in terms of how part boundaries are found, there is substantial…

计算机视觉与模式识别 · 计算机科学 2011-04-13 Sibel Tari

We present a new effective way for performance capture of deforming meshes with fine-scale time-varying surface detail from multi-view video. Our method builds up on coarse 4D surface reconstructions, as obtained with commonly used…

计算机视觉与模式识别 · 计算机科学 2016-02-08 Nadia Robertini , Edilson De Aguiar , Thomas Helten , Christian Theobalt

In practical applications, multi-view data depicting objectives from assorted perspectives can facilitate the accuracy increase of learning algorithms. However, given multi-view data, there is limited work for learning discriminative node…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Zhaoliang Chen , Lele Fu , Jie Yao , Wenzhong Guo , Claudia Plant , Shiping Wang

In the literature, it has been shown that the evolution of the known explicit 3D surface to the target one can be learned from 2D images using the instantaneous flow field, where the known and target 3D surfaces may largely differ in…

计算机视觉与模式识别 · 计算机科学 2024-11-25 AmirHossein Naghi Razlighi , Tiago Novello , Asen Nachkov , Thomas Probst , Danda Paudel

High-dimensional datasets depict a challenge for learning tasks in data mining and machine learning. Feature selection is an effective technique in dealing with dimensionality reduction. It is often an essential data processing step prior…

Point cloud shape completion is a challenging problem in 3D vision and robotics. Existing learning-based frameworks leverage encoder-decoder architectures to recover the complete shape from a highly encoded global feature vector. Though the…

计算机视觉与模式识别 · 计算机科学 2020-07-07 Wenxiao Zhang , Qingan Yan , Chunxia Xiao

Recent work has demonstrated the ability to leverage or distill pre-trained 2D features obtained using large pre-trained 2D models into 3D features, enabling impressive 3D editing and understanding capabilities using only 2D supervision.…

计算机视觉与模式识别 · 计算机科学 2025-02-21 Yoel Levy , David Shavin , Itai Lang , Sagie Benaim

Dynamic scene rendering opens new avenues in autonomous driving by enabling closed-loop simulations with photorealistic data, which is crucial for validating end-to-end algorithms. However, the complex and highly dynamic nature of traffic…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Rui Song , Chenwei Liang , Yan Xia , Walter Zimmer , Hu Cao , Holger Caesar , Andreas Festag , Alois Knoll

Most deep learning methods for video frame interpolation consist of three main components: feature extraction, motion estimation, and image synthesis. Existing approaches are mainly distinguishable in terms of how these modules are…

计算机视觉与模式识别 · 计算机科学 2022-11-28 Moritz Nottebaum , Stefan Roth , Simone Schaub-Meyer

This paper aims at providing an effective multi-modal images invariant feature extraction and matching algorithm for the application of multi-source data analysis. Focusing on the differences and correlation of multi-modal images, a…

图像与视频处理 · 电气工程与系统科学 2023-11-07 Chenzhong Gao , Wei Li

Multi-view image generation holds significant application value in computer vision, particularly in domains like 3D reconstruction, virtual reality, and augmented reality. Most existing methods, which rely on extending single images, face…

计算机视觉与模式识别 · 计算机科学 2025-11-20 Jiaqi Wu , Yaosen Chen , Shuyuan Zhu

3D shape recognition has attracted more and more attention as a task of 3D vision research. The proliferation of 3D data encourages various deep learning methods based on 3D data. Now there have been many deep learning models based on…

计算机视觉与模式识别 · 计算机科学 2020-03-02 Yaxin Zhao , Jichao Jiao , Tangkun Zhang

Though performed almost effortlessly by humans, segmenting 2D gray-scale or color images into respective regions of interest (e.g.~background, objects, or portions of objects) constitutes one of the greatest challenges in science and…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Alexandre Benatti , Luciano da F. Costa

A wide range of data that appear in scientific experiments and simulations are multivariate or multifield in nature, consisting of multiple scalar fields. Topological feature search of such data aims to reveal important properties useful to…

计算几何 · 计算机科学 2024-06-06 Tripti Agarwal , Amit Chattopadhyay , Vijay Natarajan

Tabular data learning has extensive applications in deep learning but its existing embedding techniques are limited in numerical and categorical features such as the inability to capture complex relationships and engineering. This paper…

机器学习 · 计算机科学 2024-09-02 Yuqian Wu , Hengyi Luo , Raymond S. T. Lee

In this paper, a novel learning paradigm is presented to automatically identify groups of informative and correlated features from very high dimensions. Specifically, we explicitly incorporate correlation measures as constraints and then…

机器学习 · 计算机科学 2012-07-03 Yiteng Zhai , Mingkui Tan , Ivor Tsang , Yew Soon Ong

Accurate surface geometry representation is crucial in 3D visual computing. Explicit representations, such as polygonal meshes, and implicit representations, like signed distance functions, each have distinct advantages, making efficient…

图形学 · 计算机科学 2025-09-26 Christian Stippel , Felix Mujkanovic , Thomas Leimkühler , Pedro Hermosilla