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We investigate radar parameter estimation and beam tracking with a hybrid digital-analog (HDA) architecture in a multi-block measurement framework using an extended target model. In the considered setup, the backscattered data signal is…

Signal Processing · Electrical Eng. & Systems 2023-08-17 Fernando Pedraza , Saeid K. Dehkordi , Jan C. Hauffen , Shuangyang Li , Peter Jung , Giuseppe Caire

In time-series analysis, nonlinear temporal misalignment remains a pivotal challenge that forestalls even simple averaging. Since its introduction, the Diffeomorphic Temporal Alignment Net (DTAN), which we first introduced (Weber et al.,…

Machine Learning · Computer Science 2025-02-11 Ron Shapira Weber , Oren Freifeld

Adaptive tracking-by-detection approaches are popular for tracking arbitrary objects. They treat the tracking problem as a classification task and use online learning techniques to update the object model. However, these approaches are…

Computer Vision and Pattern Recognition · Computer Science 2017-04-04 Kourosh Meshgi , Maryam Sadat Mirzaei , Shigeyuki Oba , Shin Ishii

A power constrained sensor network that consists of multiple sensor nodes and a fusion center (FC) is considered, where the goal is to estimate a random parameter of interest. In contrast to the distributed framework, the sensor nodes may…

Information Theory · Computer Science 2012-07-03 Swarnendu Kar , Pramod K. Varshney

Accurate tracking in urban environments necessitates target birth, survival, and detection models that quantify the impact of terrain and building geometry on the sequential estimation procedure. Current efforts assume that target…

Systems and Control · Electrical Eng. & Systems 2021-08-11 Christopher Berry , Donald J. Bucci

Articulated objects are prevalent in daily life and robotic manipulation tasks. However, compared to rigid objects, pose tracking for articulated objects remains an underexplored problem due to their inherent kinematic constraints. To…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Xianhui Meng , Yukang Huo , Li Zhang , Liu Liu , Haonan Jiang , Yan Zhong , Pingrui Zhang , Cewu Lu , Jun Liu

Accurately tracking and predicting behaviors of surrounding objects are key prerequisites for intelligent systems such as autonomous vehicles to achieve safe and high-quality decision making and motion planning. However, there still remain…

Robotics · Computer Science 2020-03-31 Jiachen Li , Wei Zhan , Yeping Hu , Masayoshi Tomizuka

This paper presents a model for tracking of extended targets, where each target is represented by a given number of elliptic subobjects. A gamma Gaussian inverse Wishart implementation is derived, and necessary approximations are suggested…

Systems and Control · Computer Science 2014-06-10 Karl Granstrom

Classification-regression prediction networks have realized impressive success in several modern deep trackers. However, there is an inherent difference between classification and regression tasks, so they have diverse even opposite demands…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Xinglong Sun , Haijiang Sun , Shan Jiang , Jiacheng Wang , Xilai Wei , Zhonghe Hu

In this work, we investigate the performance of a joint sensing and communication (JSC) network consisting of multiple base stations (BSs) that cooperate through a fusion center (FC) to exchange information about the sensed environment…

Signal Processing · Electrical Eng. & Systems 2023-11-01 Elia Favarelli , Elisabetta Matricardi , Lorenzo Pucci , Enrico Paolini , Wen Xu , Andrea Giorgetti

We address target detection in a single Delay-Doppler cell using spatially distributed two-channel passive radars. An unknown illuminator of opportunity (IO) is assumed to emit a waveform lying in a known low-dimensional subspace (e.g.,…

Signal Processing · Electrical Eng. & Systems 2025-10-03 Nandan Sriranga , Haodong Yang , Venkata Gandikota , Pramod K. Varshney

Multisensor track-to-track fusion for target tracking involves two primary operations: track association and estimation fusion. For estimation fusion, lossless measurement transformation of sensor measurements has been proposed for single…

Information Theory · Computer Science 2023-04-03 Haiqi Liu , Jiajie Sun , Xuqi Zhang , Fanqin Meng , Xiaojing Shen , Pramod K. Varshney

Extended object tracking considers the simultaneous estimation of the kinematic state and the shape parameters of a moving object based on a varying number of noisy detections. A main challenge in extended object tracking is the…

Systems and Control · Computer Science 2019-09-05 Shishan Yang , Marcus Baum

Assigning consistent temporal identifiers to multiple moving objects in a video sequence is a challenging problem. A solution to that problem would have immediate ramifications in multiple object tracking and segmentation problems. We…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Abubakar Siddique , Reza Jalil Mozhdehi , Henry Medeiros

Part-aware panoptic segmentation (PPS) requires (a) that each foreground object and background region in an image is segmented and classified, and (b) that all parts within foreground objects are segmented, classified and linked to their…

Computer Vision and Pattern Recognition · Computer Science 2024-06-17 Daan de Geus , Gijs Dubbelman

We present a novel formulation of the multiple object tracking problem which integrates low and mid-level features. In particular, we formulate the tracking problem as a quadratic program coupling detections and dense point trajectories.…

Computer Vision and Pattern Recognition · Computer Science 2016-07-26 Roberto Henschel , Laura Leal-Taixé , Bodo Rosenhahn , Konrad Schindler

The aim of in-trawl catch monitoring for use in fishing operations is to detect, track and classify fish targets in real-time from video footage. Information gathered could be used to release unwanted bycatch in real-time. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Cheng-Yen Yang , Alan Yu Shyang Tan , Melanie J. Underwood , Charlotte Bodie , Zhongyu Jiang , Steve George , Karl Warr , Jenq-Neng Hwang , Emma Jones

Pedestrian Attribute Recognition (PAR) has aroused extensive attention due to its important role in video surveillance scenarios. In most cases, the existence of a particular attribute is strongly related to a partial region. Recent works…

Computer Vision and Pattern Recognition · Computer Science 2020-11-16 Jiajun Zhang , Pengyuan Ren , Jianmin Li

Finding hidden/lost targets in a broad region costs strenuous effort and takes a long time. From a practical view, it is convenient to analyze the available data to exclude some parts of the search region. This paper discusses the…

Optimization and Control · Mathematics 2023-10-24 M. Fakharany , Faten Alamri , Mohamed Abd Allah El-Hadidy

In skeleton-based human action recognition, temporal pooling is a critical step for capturing spatiotemporal relationship of joint dynamics. Conventional pooling methods overlook the preservation of motion information and treat each frame…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Shanaka Ramesh Gunasekara , Wanqing Li , Jack Yang , Philip Ogunbona