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14 Results Found

  • Article
  • Open Access
31 Citations
13,683 Views
20 Pages

Sparse Detector Imaging Sensor with Two-Class Silhouette Classification

  • David Russomanno,
  • Srikant Chari and
  • Carl Halford

8 December 2008

This paper presents the design and test of a simple active near-infrared sparse detector imaging sensor. The prototype of the sensor is novel in that it can capture remarkable silhouettes or profiles of a wide-variety of moving objects, including hum...

(This article belongs to the Special Issue Image Sensors 2009)
  • Article
  • Open Access
5 Citations
3,123 Views
22 Pages

Gridless DOA Estimation with Extended Array Aperture in Automotive Radar Applications

  • Pengyu Jiang,
  • Silin Gao,
  • Jie Zhao,
  • Zhe Zhang and
  • Bingchen Zhang

26 December 2024

Millimeter-wave automotive radar has become an essential tool for autonomous driving, providing reliable sensing capabilities under various environmental conditions. To reduce hardware size and cost, sparse arrays are widely employed in automotive ra...

(This article belongs to the Topic Multi-Sensor Integrated Navigation Systems)
  • Article
  • Open Access
2 Citations
6,069 Views
24 Pages

Advancing Profiling Sensors with a Wireless Approach

  • Alex Galvis and
  • David J. Russomanno

22 November 2012

The notion of a profiling sensor was first realized by a Near-Infrared (N-IR) retro-reflective prototype consisting of a vertical column of wired sparse detectors. This paper extends that prior work and presents a wireless version of a profiling sens...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
6 Citations
3,231 Views
12 Pages

29 April 2020

Existing scanning laser three-dimensional (3D) imaging technology has slow measurement speed. In addition, the measurement accuracy of non-scanning laser 3D imaging technology based on area array detectors is limited by the resolution and response fr...

(This article belongs to the Special Issue Manufacturing Metrology)
  • Article
  • Open Access
23 Citations
8,108 Views
19 Pages

A Track-Before-Detect Strategy Based on Sparse Data Processing for Air Surveillance Radar Applications

  • Nicomino Fiscante,
  • Pia Addabbo,
  • Carmine Clemente,
  • Filippo Biondi and ,
  • Gaetano Giunta and
  • Danilo Orlando
  • + 1 author+ 0 author

12 February 2021

In this paper we consider the tracking problem of a moving target competing against noise and clutter in a surveillance radar scenario. For a single array-antenna multiple-target tracking system and according to the Track-Before-Detect paradigm, we p...

(This article belongs to the Special Issue Radar Signal Processing for Target Tracking)
  • Article
  • Open Access
7 Citations
7,965 Views
15 Pages

A 256 × 256 LiDAR Imaging System Based on a 200 mW SPAD-Based SoC with Microlens Array and Lightweight RGB-Guided Depth Completion Neural Network

  • Jier Wang,
  • Jie Li,
  • Yifan Wu,
  • Hengwei Yu and ,
  • Lebei Cui,
  • Miao Sun and
  • Patrick Yin Chiang
  • + 2 authors+ 0 author

3 August 2023

Light detection and ranging (LiDAR) technology, a cutting-edge advancement in mobile applications, presents a myriad of compelling use cases, including enhancing low-light photography, capturing and sharing 3D images of fascinating objects, and eleva...

(This article belongs to the Collection 3D Imaging and Sensing System)
  • Article
  • Open Access
7 Citations
3,557 Views
20 Pages

Phaseless Terahertz Coded-Aperture Imaging for Sparse Target Based on Phase Retrieval Algorithm

  • Long Peng,
  • Chenggao Luo,
  • Bin Deng,
  • Hongqiang Wang and ,
  • Shuo Chen and
  • Jun Dong
  • + 1 author+ 0 author

23 October 2019

Phaseless terahertz coded-aperture imaging (PL-TCAI) is a novel radar computational imaging method that utilizes the coded aperture and the incoherent detector array to achieve forward-looking and high-resolution imaging without relying on relative m...

(This article belongs to the Section Remote Sensors)
  • Article
  • Open Access
148 Views
17 Pages

Single-Frame Blind-Pixel Detection and Mask-Constrained Correction of Spatial Heterodyne Interferograms Using Robust Principal Component Analysis

  • Zhen Wang,
  • Song Ye,
  • Xinqiang Wang,
  • Wei Xiong and ,
  • Fangyuan Wang,
  • Xuanzhi Liao and
  • Niyan Chen
  • + 2 authors+ 0 author

24 October 2026

A spatial heterodyne spectrometer records two-dimensional interferograms using an area-array detector and reconstructs high-resolution spectra through Fourier transformation. Blind pixels caused by detector defects can disrupt interferometric structu...

  • Article
  • Open Access
1 Citations
2,652 Views
15 Pages

Sub-Bin Delayed High-Range Accuracy Photon-Counting 3D Imaging

  • Hao-Meng Yin,
  • Hui Zhao,
  • Ming-Yang Yang,
  • Yong-An Liu and ,
  • Li-Zhi Sheng and
  • Xue-Wu Fan
  • + 1 author+ 0 author

16 February 2024

The range accuracy of single-photon-array three-dimensional (3D) imaging systems is limited by the time resolution of the array detectors. We introduce a method for achieving super-resolution in 3D imaging through sub-bin delayed scanning acquisition...

  • Article
  • Open Access
7 Citations
3,016 Views
19 Pages

A Super-Resolution Reconstruction Method for Infrared Polarization Images with Sparse Representation of Over-Complete Basis Sets

  • Yizhe Ma,
  • Teng Lei,
  • Shiyong Wang,
  • Zhengye Yang and ,
  • Linhan Li,
  • Weidong Qu and
  • Fanming Li
  • + 2 authors+ 0 author

18 January 2024

The spatial resolution of an infrared focal plane polarization detection system is limited by the structure of the detector, resulting in lower resolution than the actual array size. To overcome this limitation and improve imaging resolution, we prop...

(This article belongs to the Special Issue Advanced Image Analysis and Processing Technologies and Applications)
  • Article
  • Open Access
10 Citations
2,651 Views
14 Pages

Exploring Conventional and Green Extraction Methods for Enhancing the Polyphenol Yield and Antioxidant Activity of Hyssopus officinalis Extracts

  • Sofia Polaki,
  • Vasiliki Stamatelopoulou,
  • Konstantina Kotsou,
  • Theodoros Chatzimitakos and ,
  • Vassilis Athanasiadis,
  • Eleni Bozinou and
  • Stavros I. Lalas
  • + 2 authors+ 0 author

29 July 2024

Hyssopus officinalis L. (HO) is, as one of the most prevalently utilized plants, used in traditional medicine to cure various diseases as well as the in food and cosmetic industries. Moreover, HO is a rich source of polyphenols with potent antioxidan...

(This article belongs to the Section Phytochemistry)
  • Article
  • Open Access
1,326 Views
21 Pages

6 May 2026

Autonomous driving perception demands low latency, high temporal resolution, and stringent hardware efficiency. While event-based spiking neural networks (SNNs) offer bio-inspired sparse computation, their deployment on edge field-programmable gate a...

(This article belongs to the Special Issue AI/ML-Powered Intelligent IoT Systems with Smart Sensors for Next-Generation Edge Computing)
  • Article
  • Open Access
193 Views
18 Pages

28 September 2026

This paper presents the RaDICAL sensing framework, a monostatic passive radar concept that combines a Sparse Uniform Circular Array (SUCA), deterministic multifrequency dither, and dictionary-based waveform recognition for target detection and classi...

(This article belongs to the Special Issue Representation Learning for Computer Vision and Pattern Recognition, 2nd Edition)
  • Article
  • Open Access
14 Citations
4,489 Views
20 Pages

An Investigation into Crithmum maritimum L. Leaves as a Source of Antioxidant Polyphenols

  • Theodoros Chatzimitakos,
  • Vassilis Athanasiadis,
  • Ioannis Makrygiannis,
  • Dimitrios Kalompatsios and ,
  • Eleni Bozinou and
  • Stavros I. Lalas
  • + 1 author+ 0 author

11 October 2023

Crithmum maritimum, commonly known as rock samphire, is a plant species with a long history of use in traditional medicine and cuisine, especially in the Mediterranean region. Despite its potential therapeutic and commercial applications, the number...