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In recent years, deep neural networks (DNNs) have gained widespread adoption for continuous mobile object detection (OD) tasks, particularly in autonomous systems. However, a prevalent issue in their deployment is the one-size-fits-all…

机器学习 · 计算机科学 2024-04-30 Justin Davis , Mehmet E. Belviranli

Mining clusters from data is an important endeavor in many applications. The $k$-means method is a popular, efficient, and distribution-free approach for clustering numerical-valued data, but does not apply for categorical-valued…

统计方法学 · 统计学 2021-08-24 Karin S. Dorman , Ranjan Maitra

It is hard to densely track a nonrigid object in long term, which is a fundamental research issue in the computer vision community. This task often relies on estimating pairwise correspondences between images over time where the error is…

计算机视觉与模式识别 · 计算机科学 2016-03-08 Wenbin Li , Darren Cosker , Matthew Brown

Supervised learning techniques typically assume training data originates from the target population. Yet, in reality, dataset shift frequently arises, which, if not adequately taken into account, may decrease the performance of their…

Clustering is a fundamental problem in unsupervised machine learning with many applications in data analysis. Popular clustering algorithms such as Lloyd's algorithm and $k$-means++ can take $\Omega(ndk)$ time when clustering $n$ points in…

机器学习 · 计算机科学 2023-10-26 Moses Charikar , Monika Henzinger , Lunjia Hu , Maxmilian Vötsch , Erik Waingarten

Numerous methods for finding clusters at moderate to high redshifts have been proposed in recent years, at wavelengths ranging from radio to X-rays. In this paper we describe a new method for detecting clusters in two-band optical/near-IR…

天体物理学 · 物理学 2008-11-26 Michael D. Gladders , H. K. C. Yee

Efficiently computing attention maps for videos is challenging due to the motion of objects between frames. While a standard non-local search is high-quality for a window surrounding each query point, the window's small size cannot…

计算机视觉与模式识别 · 计算机科学 2023-12-05 Kent Gauen , Stanley Chan

The ability to predict traffic flow over time for crowded areas during rush hours is increasingly important as it can help authorities make informed decisions for congestion mitigation or scheduling of infrastructure development in an area.…

机器学习 · 计算机科学 2023-04-03 Zann Koh , Yan Qin , Yong Liang Guan , Chau Yuen

Deep metric learning has yielded impressive results in tasks such as clustering and image retrieval by leveraging neural networks to obtain highly discriminative feature embeddings, which can be used to group samples into different classes.…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Ismail Elezi , Jenny Seidenschwarz , Laurin Wagner , Sebastiano Vascon , Alessandro Torcinovich , Marcello Pelillo , Laura Leal-Taixe

Clustering is a fundamental task in data science with wide-ranging applications. In $k$-medoids clustering, cluster centers must be actual datapoints and arbitrary distance metrics may be used; these features allow for greater…

机器学习 · 计算机科学 2023-10-31 Mo Tiwari , Ryan Kang , Donghyun Lee , Sebastian Thrun , Chris Piech , Ilan Shomorony , Martin Jinye Zhang

A robust and efficient anomaly detection technique is proposed, capable of dealing with crowded scenes where traditional tracking based approaches tend to fail. Initial foreground segmentation of the input frames confines the analysis to…

计算机视觉与模式识别 · 计算机科学 2013-04-04 Vikas Reddy , Conrad Sanderson , Brian C. Lovell

We present a fast and accurate visual tracking algorithm based on the multi-domain convolutional neural network (MDNet). The proposed approach accelerates feature extraction procedure and learns more discriminative models for instance…

计算机视觉与模式识别 · 计算机科学 2018-08-28 Ilchae Jung , Jeany Son , Mooyeol Baek , Bohyung Han

We present MeanCache, a training-free caching framework for efficient Flow Matching inference. Existing caching methods reduce redundant computation but typically rely on instantaneous velocity information (e.g., feature caching), which…

In this paper, we construct a lightweight, high-precision and high-speed object tracking using a trained CNN. Conventional methods with trained CNNs use VGG16 network which requires powerful computational resources. Therefore, there is a…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Tsubasa Murate , Takashi Watanabe , Masaki Yamada

Multi-target tracking (MTT) is a classical signal processing task, where the goal is to estimate the states of an unknown number of moving targets from noisy sensor measurements. In this paper, we revisit MTT from a deep learning…

信号处理 · 电气工程与系统科学 2024-05-15 Damian Owerko , Charilaos I. Kanatsoulis , Jennifer Bondarchuk , Donald J. Bucci , Alejandro Ribeiro

In recent years, anchor-free object detection models combined with matching algorithms are used to achieve real-time muti-object tracking and also ensure high tracking accuracy. However, there are still great challenges in multi-object…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Huilan Luo , Zehua Zeng

Mean-shift-based approaches have recently emerged as a representative class of methods for robot swarm shape assembly. They rely on image-based target-shape representations to compute local density gradients and perform mean-shift…

机器人学 · 计算机科学 2026-02-24 Shuoyu Yue , Pengpeng Li , Yang Xu , Kunrui Ze , Xingjian Long , Huazi Cao , Guibin Sun

We study anomaly clustering, grouping data into coherent clusters of anomaly types. This is different from anomaly detection that aims to divide anomalies from normal data. Unlike object-centered image clustering, anomaly clustering is…

计算机视觉与模式识别 · 计算机科学 2022-10-18 Kihyuk Sohn , Jinsung Yoon , Chun-Liang Li , Chen-Yu Lee , Tomas Pfister

Mode-based clustering methods define clusters to be the basins of attraction of the modes of a density estimate. The most common version is mean shift clus- tering which uses a gradient ascent algorithm to find the basins. Rodriguez and…

统计方法学 · 统计学 2018-05-14 Isabella Verdinelli , Larry Wasserman

The PointHop method was recently proposed by Zhang et al. for 3D point cloud classification with unsupervised feature extraction. It has an extremely low training complexity while achieving state-of-the-art classification performance. In…

计算机视觉与模式识别 · 计算机科学 2020-05-26 Min Zhang , Yifan Wang , Pranav Kadam , Shan Liu , C. -C. Jay Kuo