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Tiny object detection is one of the key challenges in the field of object detection. The performance of most generic detectors dramatically decreases in tiny object detection tasks. The main challenge lies in extracting effective features…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Bing Cao , Haiyu Yao , Pengfei Zhu , Qinghua Hu

In this paper, we propose a spectral-efficient LoRa (SE-LoRa) modulation scheme with a low complexity successive interference cancellation (SIC)-based detector. The proposed communication scheme significantly improves the spectral…

Signal Processing · Electrical Eng. & Systems 2026-01-07 Alireza Maleki , Ebrahim Bedeer , Robert Barton

Low-complexity multiple-input multiple-output (MIMO) detection remains a key challenge in modern wireless systems, particularly for 5G reduced capability (RedCap) and internet-of-things (IoT) devices. In this context, the growing interest…

Signal Processing · Electrical Eng. & Systems 2026-01-26 Benedikt Fesl , Fatih Capar

Electronic countermeasure (ECM) technology plays a critical role in modern electronic warfare, which can interfere with enemy radar detection systems by noise or deceptive signals. However, the conventional active jamming strategy incurs…

Information Theory · Computer Science 2024-05-14 Haozhe Wang , Beixiong Zheng , Xiaodan Shao , Rui Zhang

We introduce a revised derivation of the bitwise Markov Chain Monte Carlo (MCMC) multiple-input multiple-output (MIMO) detector. The new approach resolves the previously reported high SNR stalling problem of MCMC without the need for…

Information Theory · Computer Science 2017-07-13 Jonathan C. Hedstrom , Chung Him , Yuen , Rong-Rong Chen , Behrouz Farhang-Boroujeny

With the development of aerospace technology, the increasing population of space debris has posed a great threat to the safety of spacecraft. However, the low intensity of reflected light and high angular velocity of space debris impede the…

Computer Vision and Pattern Recognition · Computer Science 2023-09-25 Zherui Lu , Gangyi Wang , Xinguo Wei , Jian Li

Excess transient noise artifacts, or glitches impact the data quality of ground-based gravitational-wave (GW) detectors and impair the detection of signals produced by astrophysical sources. Mitigation of glitches is crucial for improving…

General Relativity and Quantum Cosmology · Physics 2021-07-09 Kentaro Mogushi

Joint detection and embedding (JDE) based methods usually estimate bounding boxes and embedding features of objects with a single network in Multi-Object Tracking (MOT). In the tracking stage, JDE-based methods fuse the target motion…

Computer Vision and Pattern Recognition · Computer Science 2022-03-09 Jiaxin Li , Yan Ding , Hualiang Wei

3D Multi-object tracking (MOT) ensures consistency during continuous dynamic detection, conducive to subsequent motion planning and navigation tasks in autonomous driving. However, camera-based methods suffer in the case of occlusions and…

Computer Vision and Pattern Recognition · Computer Science 2022-09-13 Li Wang , Xinyu Zhang , Wenyuan Qin , Xiaoyu Li , Lei Yang , Zhiwei Li , Lei Zhu , Hong Wang , Jun Li , Huaping Liu

We propose a novel compressed sensing method to improve the depth reconstruction accuracy and multi-target separation capability of indirect Time-of-Flight (iToF) systems. Unlike traditional approaches that rely on hardware modifications,…

Signal Processing · Electrical Eng. & Systems 2025-07-29 Yansong Du , Yutong Deng , Yuting Zhou , Feiyu Jiao , Bangyao Wang , Zhancong Xu , Zhaoxiang Jiang , Xun Guan

The joint adaptive detection of multiple point-like targets in scenarios characterized by different clutter types is still an open problem in the radar community. In this paper, we provide a solution to this problem by devising detection…

Signal Processing · Electrical Eng. & Systems 2023-04-26 Linjie Yan , Sudan Han , Chengpeng Hao , Danilo Orlando , Giuseppe Ricci

A family of low-complexity detection schemes based on channel matrix puncturing targeted for large multiple-input multiple-output (MIMO) systems is proposed. It is well-known that the computational cost of MIMO detection based on QR…

Information Theory · Computer Science 2017-12-07 H. Sarieddeen , M. M. Mansour , A. Chehab

Multiple-stage adaptive architectures are conceived to face with the problem of target detection buried in noise, clutter, and intentional interference. First, a scenario where the radar system is under the electronic attack of noise-like…

Signal Processing · Electrical Eng. & Systems 2020-04-28 Linjie Yan , Pia Addabbo , Chengpeng Hao , Danilo Orlando , Alfonso Farina

A class of novel STAP algorithms based on sparse recovery technique were presented. Intrinsic sparsity of distribution of clutter and target energy on spatial-frequency plane was exploited from the viewpoint of compressed sensing. The…

Information Theory · Computer Science 2009-04-09 Hao Zhang , Gang Li , Huadong Meng

In this paper, we study the low-complexity iterative soft-input soft-output (SISO) detection algorithm in a large-scale distributed multiple-input multiple-output (MIMO) system. The uplink interference suppression matrix is designed to…

Signal Processing · Electrical Eng. & Systems 2018-11-20 Yuan Feng , Menghan Wang , Dongming Wang , Xiaohu You

To solve the problem of detecting subspace signals in nonzero-mean clutter, we propose adaptive detectors, based on the strategies of generalized likelihood ratio test (GLRT), Rao test, Wald test, gradient test, and Durbin test. The results…

Other Statistics · Statistics 2026-05-11 Weijian Liu , Zhenyu Xu , Jun Liu , Hui Chen , Yongxiang Liu

We present a low-complexity widely separated multiple-input-multiple-output (WS-MIMO) radar that samples the signals at each of its multiple receivers at reduced rates. We process the low-rate samples of all transmit-receive chains at each…

Signal Processing · Electrical Eng. & Systems 2023-08-31 Shunqiao Sun , Yunqiao Hu , Kumar Vijay Mishra , Athina P. Petropulu

In this paper, a data-driven approach is proposed to jointly design the common sensing (measurement) matrix and jointly support recovery method for complex signals, using a standard deep auto-encoder for real numbers. The auto-encoder in…

Information Theory · Computer Science 2020-05-07 Wanqing Zhang , Shuaichao Li , Ying Cui

In this paper, the problems of simultaneously detecting and localizing multiple targets are considered for noncoherent multiple-input multiple-output (MIMO) radar with widely separated antennas. By assuming a prior knowledge of target…

Information Theory · Computer Science 2017-01-09 Wei Yi , Tao Zhou , Mingchi Xie , Yue Ai , Rick S. Blum

Current motion planning approaches for autonomous mobile robots often assume that the low level controller of the system is able to track the planned motion with very high accuracy. In practice, however, tracking error can be affected by…

Robotics · Computer Science 2023-08-03 Jacob Higgins , Nicholas Mohammad , Nicola Bezzo