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3D anomaly detection (AD) is a crucial task in computer vision, aiming to identify anomalous points or regions from point cloud data. However, existing methods may encounter challenges when handling point clouds with changes in orientation…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Hanzhe Liang , Jie Zhou , Can Gao , Bingyang Guo , Jinbao Wang , Linlin Shen

Reduced graphene oxide (rGO) exhibits strong anisotropic light absorption and high compatibility with photonic integrated chips, making it a promising material for implementing high performance onchip polarization selective devices. The…

For autonomous vehicles (AVs), visual perception techniques based on sensors like cameras play crucial roles in information acquisition and processing. In various computer perception tasks for AVs, it may be helpful to match landmark…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Rui She , Qiyu Kang , Sijie Wang , Yuan-Rui Yang , Kai Zhao , Yang Song , Wee Peng Tay

4D radar is increasingly attractive for robotic mapping because it provides range, azimuth, elevation, and Doppler measurements while remaining robust in adverse visibility conditions. Although recent radar and radar--inertial odometry…

机器人学 · 计算机科学 2026-05-26 Jianzhu Huai , Yiwen Chen , Binliang Wang

We propose a new algorithm for envelope estimation, along with a new root n consistent method for computing starting values. The new algorithm, which does not require optimization over a Grassmannian, is shown by simulation to be much…

统计方法学 · 统计学 2015-09-15 Dennis Cook , Liliana Forzani , Zhihua Su

Standard machine learning models optimized for average performance often fail on minority subgroups and lack robustness to distribution shifts. This challenge worsens when subgroups are latent and affected by complex interactions among…

机器学习 · 统计学 2025-09-23 Siqi Li , Molei Liu , Ziye Tian , Chuan Hong , Nan Liu

Indoor wireless ranging localization is a promising approach for low-power and high-accuracy localization of wearable devices. A primary challenge in this domain stems from non-line of sight propagation of radio waves. This study tackles a…

机器人学 · 计算机科学 2023-09-19 Fan Jiang , David Caruso , Ashutosh Dhekne , Qi Qu , Jakob Julian Engel , Jing Dong

Using 3D point clouds in odometry estimation in robotics often requires finding a set of correspondences between points in subsequent scans. While there are established methods for point clouds of sufficient quality, state-of-the-art still…

机器人学 · 计算机科学 2025-06-24 Jan Michalczyk , Stephan Weiss , Jan Steinbrener

We propose an adaptive tracking algorithm where the object is modelled as a continuously updated bag of affine subspaces, with each subspace constructed from the object's appearance over several consecutive frames. In contrast to linear…

计算机视觉与模式识别 · 计算机科学 2016-02-08 Sareh Shirazi , Conrad Sanderson , Chris McCool , Mehrtash T. Harandi

Affine matrix rank minimization problem is a fundamental problem with a lot of important applications in many fields. It is well known that this problem is combinatorial and NP-hard in general. In this paper, a continuous promoting low rank…

最优化与控制 · 数学 2017-05-02 Angang Cui , Jigen Peng , Haiyang Li , Chengyi Zhang , Yongchao Yu

In order to improve the ability of cognitive radar (CR) to adapt to the environment, the required ambiguity function (AF) can be synthesized by designing the waveform. The key to this problem is how to minimize the interference power.…

信号处理 · 电气工程与系统科学 2022-09-09 Haoyu Yi , Xinyu Zhang , Weidong Jiang , Kai Huo

Linear reduced-order modeling (ROM) is widely used for efficient simulation of deformation dynamics, but its accuracy is often limited by the fixed linearization of the reduced mapping. We propose a new adaptive strategy for linear ROM that…

图形学 · 计算机科学 2025-10-01 Yutian Tao , Maurizio Chiaramonte , Pablo Fernandez

We present a new algorithm for clustering points in R^n. The key property of the algorithm is that it is affine-invariant, i.e., it produces the same partition for any affine transformation of the input. It has strong guarantees when the…

机器学习 · 计算机科学 2008-08-04 S. Charles Brubaker , Santosh S. Vempala

With the widespread use of machine learning, concerns over its security and reliability have become prevalent. As such, many have developed defenses to harden neural networks against adversarial examples, imperceptibly perturbed inputs that…

机器学习 · 计算机科学 2022-05-09 Pratik Vaishnavi , Kevin Eykholt , Amir Rahmati

In this paper, we design constant modulus probing waveforms with good correlation properties for collocated multi-input multi-output (MIMO) radar systems. The main content is as follows: first, we formulate the design problem as a fourth…

信号处理 · 电气工程与系统科学 2019-09-04 Jiangtao Wang , Yongchao Wang

We propose and study a row-and-column affine measurement scheme for low-rank matrix recovery. Each measurement is a linear combination of elements in one row or one column of a matrix $X$. This setting arises naturally in applications from…

机器学习 · 计算机科学 2015-05-26 Avishai Wagner , Or Zuk

A new method is proposed to get image features' geometric information. Using Gaussian as an input signal, a theoretical optimal solution to calculate feature's affine shape is proposed. Based on analytic result of a feature model, the…

计算机视觉与模式识别 · 计算机科学 2015-03-19 Xiaopeng Xu , Xiaochun Zhang

An approach is proposed for recovering affine correspondences (ACs) from orientation- and scale-invariant, e.g. SIFT, features. The method calculates the affine parameters consistent with a pre-estimated epipolar geometry from the point…

计算机视觉与模式识别 · 计算机科学 2018-07-11 Daniel Barath

Efficiently identifying accurate correspondences between point clouds is crucial for both rigid and non-rigid point cloud registration. Existing methods usually rely on geometric or semantic feature embeddings to establish correspondences…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Haihua Shi , Qianliang Wu

This paper presents a method for robust optimization for online incremental Simultaneous Localization and Mapping (SLAM). Due to the NP-Hardness of data association in the presence of perceptual aliasing, tractable (approximate) approaches…

机器人学 · 计算机科学 2023-04-28 Daniel McGann , John G. Rogers , Michael Kaess