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A multiple model track-before-detect (TBD) particle filter-based approach for detection and tracking of low signal to noise ratio (SNR) objects based on a sequence of image frames in the presence of noise and clutter is briefly studied in…

Image and Video Processing · Electrical Eng. & Systems 2023-11-14 Reza Rezaie

Deep learning has led to great progress in the detection of mobile (i.e. movement-capable) objects in urban driving scenes in recent years. Supervised approaches typically require the annotation of large training sets; there has thus been…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Sangyun Shin , Stuart Golodetz , Madhu Vankadari , Kaichen Zhou , Andrew Markham , Niki Trigoni

In radar systems, tracking targets in low signal-to-noise ratio (SNR) environments is a very important task. There are some algorithms designed for multitarget tracking. Their performances, however, are not satisfactory in low SNR…

Applications · Statistics 2015-05-30 Huisi Tong , Hao Zhang , Huadong Meng , Xiqin Wang

In this work, we consider the detection of manoeuvring small objects with radars. Such objects induce low signal to noise ratio (SNR) reflections in the received signal. We consider both co-located and separated transmitter/receiver pairs,…

Systems and Control · Computer Science 2025-07-08 Kimin Kim , Murat Uney , Bernard Mulgrew

We propose an object tracking method, SFTrack++, that smoothly learns to preserve the tracked object consistency over space and time dimensions by taking a spectral clustering approach over the graph of pixels from the video, using a fast…

Computer Vision and Pattern Recognition · Computer Science 2021-11-05 Elena Burceanu

This paper addresses the problem of multi-object tracking in Unmanned Aerial Vehicle (UAV) footage. It plays a critical role in various UAV applications, including traffic monitoring systems and real-time suspect tracking by the police.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 InPyo Song , Jangwon Lee

Detecting weak target is an important and challenging problem in many applications such as radar, sonar etc. However, conventional detection methods are often ineffective in this case because of low signal-to-noise ratio (SNR). This paper…

Signal Processing · Electrical Eng. & Systems 2023-09-26 Jin Lu , Guojie Peng , Weichuan Zhang , Changming Sun

We consider a multi-object detection problem over a sensor network (SNET) with limited range sensors. This problem complements the widely considered decentralized detection problem where all sensors observe the same object. While the…

Information Theory · Computer Science 2016-11-17 Erhan B. Ermis , Venkatesh Saligrama

Tracking an unknown number of low-observable objects is notoriously challenging. This letter proposes a sequential Bayesian estimation method based on the track-before-detect (TBD) approach. In TBD, raw sensor measurements are directly used…

Signal Processing · Electrical Eng. & Systems 2023-07-04 Mingchao Liang , Thomas Kropfreiter , Florian Meyer

Brain-inspired Spiking Neural Networks (SNNs) exhibit significant potential for low-power computation, yet their application in visual tasks remains largely confined to image classification, object detection, and event-based tracking. In…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Pengzhi Zhong , Xinzhe Wang , Dan Zeng , Qihua Zhou , Feixiang He , Shuiwang Li

Passive multi-target tracking (MTT) aims to infer the kinematic states of multiple targets from noisy sensor data in which contributions from unknown target-emitted signals are superposed. Track-before-detect (TBD) methods improve…

Audio and Speech Processing · Electrical Eng. & Systems 2026-05-26 Nobutaka Ito , Yoshiaki Bando

This paper proposes a novel particle filter for tracking time-varying states of multiple targets jointly from superpositional data, which depend on the sum of contributions of all targets. Many conventional tracking methods rely on…

Signal Processing · Electrical Eng. & Systems 2020-08-26 Nobutaka Ito , Simon Godsill

This paper proposes a novel model, named Continuity-Discrimination Convolutional Neural Network (CD-CNN), for visual object tracking. Existing state-of-the-art tracking methods do not deal with temporal relationship in video sequences,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Shen Li , Bingpeng Ma , Hong Chang , Shiguang Shan , Xilin Chen

Recent advances in object detection are mainly driven by deep learning with large-scale detection benchmarks. However, the fully-annotated training set is often limited for a target detection task, which may deteriorate the performance of…

Computer Vision and Pattern Recognition · Computer Science 2018-03-06 Hao Chen , Yali Wang , Guoyou Wang , Yu Qiao

In this paper, we propose a new joint object detection and tracking (JoDT) framework for 3D object detection and tracking based on camera and LiDAR sensors. The proposed method, referred to as 3D DetecTrack, enables the detector and tracker…

Computer Vision and Pattern Recognition · Computer Science 2021-12-16 Junho Koh , Jaekyum Kim , Jinhyuk Yoo , Yecheol Kim , Dongsuk Kum , Jun Won Choi

We propose ST-DETR, a Spatio-Temporal Transformer-based architecture for object detection from a sequence of temporal frames. We treat the temporal frames as sequences in both space and time and employ the full attention mechanisms to take…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 Eslam Mohamed , Ahmad El-Sallab

We propose a scalable track-before-detect (TBD) tracking method based on a Poisson/multi-Bernoulli model. To limit computational complexity, we approximate the exact multi-Bernoulli mixture posterior probability density function (pdf) by a…

Signal Processing · Electrical Eng. & Systems 2021-09-06 Thomas Kropfreiter , Jason L. Williams , Florian Meyer

Person detection and tracking (PDT) has seen significant advancements with 2D camera-based systems in the autonomous vehicle field, leading to widespread adoption of these algorithms. However, growing privacy concerns have recently emerged…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Eunsoo Im , Changhyun Jee , Jung Kwon Lee

In general, background subtraction-based methods are used to detect moving objects in visual tracking applications. In this paper, we employed a background subtraction-based scheme to detect the temporarily stationary objects. We proposed…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Deepak Ghimire , Joonwhoan Lee

Small and cluttered objects are common in real-world which are challenging for detection. The difficulty is further pronounced when the objects are rotated, as traditional detectors often routinely locate the objects in horizontal bounding…

Computer Vision and Pattern Recognition · Computer Science 2022-04-29 Xue Yang , Junchi Yan , Wenlong Liao , Xiaokang Yang , Jin Tang , Tao He
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