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422 Results Found

  • Article
  • Open Access
6 Citations
3,374 Views
19 Pages

Fast, Zero-Reference Low-Light Image Enhancement with Camera Response Model

  • Xiaofeng Wang,
  • Liang Huang,
  • Mingxuan Li,
  • Chengshan Han and ,
  • Xin Liu and
  • Ting Nie
  • + 1 author+ 0 author

2 August 2024

Low-light images are prevalent in intelligent monitoring and many other applications, with low brightness hindering further processing. Although low-light image enhancement can reduce the influence of such problems, current methods often involve a co...

(This article belongs to the Collection Applications of Convolutional Neural Networks in Imaging and Sensing)
  • Article
  • Open Access
8 Citations
3,605 Views
20 Pages

15 December 2022

Aiming at the problem that obstacle avoidance of unmanned aerial vehicles (UAVs) cannot effectively detect obstacles under low illumination, this research proposes an enhancement algorithm for low-light airborne images, which is based on the camera r...

(This article belongs to the Special Issue Latest Advancements in Aeronautics and Astronautics: Celebrating the 70th Anniversary of Nanjing University of Aeronautics and Astronautics)
  • Article
  • Open Access
25 Citations
9,714 Views
12 Pages

11 April 2016

A new compact large field of view (FOV) multi-camera system is introduced. The camera is based on seven tiny complementary metal-oxide-semiconductor sensor modules covering over 160° × 160° FOV. Although image stitching has been studied extensively,...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
15 Citations
9,915 Views
16 Pages

Knowledge of the spectral response of a camera is important in many applications such as illumination estimation, spectrum estimation in multi-spectral camera systems, and color consistency correction for computer vision. We present a practical metho...

  • Article
  • Open Access
14 Citations
6,269 Views
11 Pages

11 October 2021

Today, a lot of research on autonomous driving technology is being conducted, and various vehicles with autonomous driving functions, such as ACC (adaptive cruise control) are being released. The autonomous vehicle recognizes obstacles ahead by the f...

(This article belongs to the Section Radar Sensors)
  • Article
  • Open Access
12 Citations
4,001 Views
16 Pages

Spectral Reconstruction Using an Iteratively Reweighted Regulated Model from Two Illumination Camera Responses

  • Zhen Liu,
  • Kaida Xiao,
  • Michael R. Pointer,
  • Qiang Liu and ,
  • Changjun Li,
  • Ruili He and
  • Xuejun Xie
  • + 2 authors+ 0 author

27 November 2021

An improved spectral reflectance estimation method was developed to transform captured RGB images to spectral reflectance. The novelty of our method is an iteratively reweighted regulated model that combines polynomial expansion signals, which was de...

(This article belongs to the Special Issue Advanced Measures for Imaging System Performance and Image Quality)
  • Article
  • Open Access
8 Citations
3,736 Views
17 Pages

Physics-Based TOF Imaging Simulation for Space Targets Based on Improved Path Tracing

  • Zhiqiang Yan,
  • Hongyuan Wang,
  • Xiang Liu,
  • Qianhao Ning and
  • Yinxi Lu

15 June 2022

Aiming at the application of close-up space measurement based on time-of-flight (TOF) cameras, according to the analysis of the characteristics of the space background environment and the imaging characteristics of the TOF camera, a physics-based amp...

(This article belongs to the Special Issue SAR Images Processing and Analysis)
  • Article
  • Open Access
2,091 Views
20 Pages

22 October 2024

Eight-band one-shot MSFA (multispectral filter array) cameras are innovative technologies used to capture multispectral images by capturing multiple spectral bands simultaneously. They thus make it possible to collect detailed information on the spec...

(This article belongs to the Special Issue Machine Learning for Pattern Recognition (2nd Edition))
  • Article
  • Open Access
5 Citations
6,154 Views
24 Pages

PyTirCam-1.0: A Python Model to Manage Thermal Infrared Camera Data

  • Benedetta Calusi,
  • Daniele Andronico,
  • Emilio Pecora,
  • Emilio Biale and
  • Matteo Cerminara

11 December 2020

Thermal-infrared remote sensing is used to monitor and study hazardous volcanic phenomena. Thermal cameras are often used by monitoring centers and laboratories. A physical comprehension of their behavior is needed to perform quantitative measurement...

(This article belongs to the Special Issue Multi-Sensor Remote Sensing Data for Volcanic Hazards Monitoring)
  • Article
  • Open Access
21 Citations
9,691 Views
19 Pages

17 October 2022

Source-camera identification tools assist image forensics investigators to associate an image with a camera. The Photo Response Non-Uniformity (PRNU) noise pattern caused by sensor imperfections has been proven to be an effective way to identify the...

(This article belongs to the Section Sensing and Imaging)
  • Article
  • Open Access
4 Citations
3,163 Views
22 Pages

24 September 2023

This study investigates the impact of various experimental parameters on the reflective photoelastic coating technique used to measure the stress and strain in model soil particles. The focus is directed towards three pivotal parameters: the choice o...

  • Article
  • Open Access
2 Citations
1,490 Views
17 Pages

Optimization Design of Space Camera Enclosure Based on Bionics

  • Hongyu Li,
  • Fu Li,
  • Zhihua Zhao,
  • Janfeng Yang and
  • Juan Lv

21 January 2025

To optimize the design of the space camera enclosure, this paper employs biomimicry methods. The study compares the structural characteristics of the tendons and veins of the Victoria lindl, analyzes the similarities between the reinforced tendons an...

  • Article
  • Open Access
264 Views
17 Pages

A Monte Carlo Study of Gray-Level—Depth Mapping in Underwater Images

  • Zhengyu Liu,
  • Siguang Zong,
  • Jing Cao and
  • Mengxue Lin

24 September 2026

Conventional underwater images offer an accessible means of observing vertical light attenuation, but interpreting their gray-level trends requires a link between optical transport and digital image formation. This study derives conditions under whic...

(This article belongs to the Special Issue Advances in Photonics, Optics and Laser Technology)
  • Article
  • Open Access
6 Citations
2,932 Views
38 Pages

10 September 2024

Vibration-based structural health monitoring (SHM) is essential for evaluating structural integrity. Traditional methods using contact vibration sensors like accelerometers have limitations in accessibility, coverage, and impact on structural dynamic...

(This article belongs to the Section Intelligent Sensors)
  • Article
  • Open Access
1 Citations
1,564 Views
25 Pages

22 October 2024

Forests and trees provide a variety of essential ecosystem services. Maintaining them is becoming increasingly important, as global and regional climate change is already leading to major changes in the structure and composition of forests. To minimi...

(This article belongs to the Section Natural Hazards and Risk Management)
  • Feature Paper
  • Article
  • Open Access
17 Citations
7,242 Views
19 Pages

Movement Detection with Event-Based Cameras: Comparison with Frame-Based Cameras in Robot Object Tracking Using Powerlink Communication

  • Juan Barrios-Avilés,
  • Taras Iakymchuk,
  • Jorge Samaniego,
  • Leandro D. Medus and
  • Alfredo Rosado-Muñoz

Event-based cameras are not common in industrial applications despite the fact that they can add multiple advantages for applications with moving objects. In comparison with frame-based cameras, the amount of generated data is very low while keeping...

(This article belongs to the Section Systems & Control Engineering)
  • Article
  • Open Access
2 Citations
3,739 Views
15 Pages

9 September 2024

In this study, a novel method is proposed to estimate surface-spectral reflectance from camera responses that combine model-based and training-based approaches. An imaging system is modeled using the spectral sensitivity functions of an RGB camera, s...

  • Article
  • Open Access
394 Views
26 Pages

6 September 2026

Generalization under deployment shifts remains a major challenge for visuomotor robot manipulation, especially when changes in camera placement and control behavior are unknown to the policy. This paper introduces the System-Context-Conditioned Diffu...

(This article belongs to the Section Robotics and Automation)
  • Article
  • Open Access
81 Citations
13,099 Views
24 Pages

Direct Reflectance Measurements from Drones: Sensor Absolute Radiometric Calibration and System Tests for Forest Reflectance Characterization

  • Teemu Hakala,
  • Lauri Markelin,
  • Eija Honkavaara,
  • Barry Scott and ,
  • Theo Theocharous,
  • Olli Nevalainen,
  • Roope Näsi,
  • Juha Suomalainen,
  • Niko Viljanen and
  • Nigel Fox
  • + 6 authors+ 1 author

3 May 2018

Drone-based remote sensing has evolved rapidly in recent years. Miniaturized hyperspectral imaging sensors are becoming more common as they provide more abundant information of the object compared to traditional cameras. Reflectance is a physically d...

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

Monitoring plant traits such as chlorophyll content and stress response is essential for agricultural research and crop management. However, traditional phenotyping methods are often destructive, labor-intensive, and lack temporal resolution. Continu...

(This article belongs to the Section Sensors Technology and Precision Agriculture)
  • Article
  • Open Access
10 Citations
4,737 Views
16 Pages

An Instrument for the Characterization and Calibration of Optical Sensors

  • Enrico Gastasini,
  • Niccolò Capecci,
  • Francesco Lupi,
  • Alessio Gagliardi and ,
  • Sergio Saponara and
  • Michele Lanzetta
  • + 1 author+ 0 author

29 July 2021

This paper presents the development of a hardware/software system for the characterization of the electronic response of optical (camera) sensors such as matrix and linear color and monochrome Charge Coupled Device (CCD) or Complementary Metal Oxide...

(This article belongs to the Section Sensor Networks)
  • Article
  • Open Access
23 Citations
12,002 Views
12 Pages

17 November 2011

Indirect Time-of-Flight (I-TOF) cameras can be implemented in a number of ways, each with specific characteristics and performances. In this paper a comprehensive analysis of the implementation possibilities is developed in order to model the main pe...

(This article belongs to the Special Issue Time-of-Flight Range-Imaging Cameras)
  • Review
  • Open Access
137 Citations
31,841 Views
27 Pages

22 January 2024

Over the past decade, Unmanned Aerial Vehicles (UAVs) have emerged as essential tools for landslide studies, particularly in on-site investigations. This paper reviews UAV applications in landslide studies, with a focus on static geological character...

(This article belongs to the Special Issue Drones for Natural Hazards)
  • Article
  • Open Access
17 Citations
5,503 Views
23 Pages

5 November 2021

For public safety and physical security, currently more than a billion closed-circuit television (CCTV) cameras are in use around the world. Proliferation of artificial intelligence (AI) and machine/deep learning (M/DL) technologies have gained signi...

(This article belongs to the Special Issue Feature Paper in Computers)
  • Article
  • Open Access
4 Citations
2,253 Views
26 Pages

Multi-Agent Hierarchical Reinforcement Learning for PTZ Camera Control and Visual Enhancement

  • Zhonglin Yang,
  • Huanyu Liu,
  • Hao Fang,
  • Junbao Li and
  • Yutong Jiang

26 September 2025

Border surveillance, as a critical component of national security, places increasingly stringent demands on the target perception capabilities of video monitoring systems, especially in wide-area and complex environments. To address the limitations o...

(This article belongs to the Section Artificial Intelligence)
  • Review
  • Open Access
399 Views
49 Pages

17 September 2026

Camera-equipped Unmanned Aerial Vehicle (UAV) planning couples vehicle motion, camera pose, and scene-dependent sensing utility. The relevant literature is distributed across aerial reconstruction, inspection, target tracking, active perception, cine...

(This article belongs to the Special Issue Artificial Intelligence in Autonomous Navigation and Intelligent Unmanned Systems)
  • Article
  • Open Access
3 Citations
5,233 Views
13 Pages

24 February 2023

The thermal blooming effect, platform jitter, and other effects of laser beam propagation cause serious deviation, which will have a negative impact on laser tracking systems. It is important to ensure that the laser beam does not deviate. Based on a...

  • Feature Paper
  • Article
  • Open Access
13 Citations
3,951 Views
25 Pages

Image Based Visual Servoing for Floating Base Mobile Manipulator Systems with Prescribed Performance under Operational Constraints

  • George C. Karras,
  • George K. Fourlas,
  • Alexandros Nikou,
  • Charalampos P. Bechlioulis and
  • Shahab Heshmati-Alamdari

This paper presents a novel Image-Based Visual Servoing (IBVS) control approach for Floating Base Mobile Manipulator Systems (FBMMSs) that imposes prescribed transient and steady-state response on the image feature coordinate errors while satisfying...

(This article belongs to the Section Robotics, Mechatronics and Intelligent Machines)
  • Article
  • Open Access
11 Citations
5,819 Views
16 Pages

Event-Guided Image Super-Resolution Reconstruction

  • Guangsha Guo,
  • Yang Feng,
  • Hengyi Lv,
  • Yuchen Zhao and ,
  • Hailong Liu and
  • Guoling Bi
  • + 1 author+ 0 author

14 February 2023

The event camera efficiently detects scene radiance changes and produces an asynchronous event stream with low latency, high dynamic range (HDR), high temporal resolution, and low power consumption. However, the large output data caused by the asynch...

(This article belongs to the Topic 3D Computer Vision and Smart Building and City)
  • Review
  • Open Access
4 Citations
1,958 Views
23 Pages

6 December 2025

Photo-response non-uniformity (PRNU) has long been regarded as a reliable method for source camera identification and device linking in forensic applications. Recent advances in deep learning (DL) have introduced diverse architectures, including conv...

(This article belongs to the Section Sensing and Imaging)
  • Article
  • Open Access
30 Citations
5,655 Views
21 Pages

Bridge Damage Detection Approach Using a Roving Camera Technique

  • Darragh Lydon,
  • Myra Lydon,
  • Rolands Kromanis,
  • Chuan-Zhi Dong and ,
  • Necati Catbas and
  • Su Taylor
  • + 1 author+ 0 author

10 February 2021

Increasing extreme climate events, intensifying traffic patterns and long-term underinvestment have led to the escalated deterioration of bridges within our road and rail transport networks. Structural Health Monitoring (SHM) systems provide a means...

(This article belongs to the Special Issue Smart Sensors in Structural Health Monitoring)
  • Article
  • Open Access
22 Citations
8,018 Views
13 Pages

4 February 2016

Localization, which is a technique required by service robots to operate indoors, has been studied in various ways. Most localization techniques have the robot measure environmental information to obtain location information; however, this is a high-...

(This article belongs to the Special Issue Integration of Sensors in Complex, Intelligent Systems—Selected Papers from the CHARMS 2015 Workshop)
  • Article
  • Open Access
4 Citations
3,327 Views
15 Pages

21 August 2024

Traditional broadcasting methods often result in fatigue and decision-making errors when dealing with complex and diverse live content. Current research on intelligent broadcasting primarily relies on preset rules and model-based decisions, which hav...

(This article belongs to the Special Issue Recent Advances in Smart Mobile Sensing Technology)
  • Article
  • Open Access
14 Citations
6,265 Views
20 Pages

A Spatial AI-Based Agricultural Robotic Platform for Wheat Detection and Collision Avoidance

  • Sujith Gunturu,
  • Arslan Munir,
  • Hayat Ullah,
  • Stephen Welch and
  • Daniel Flippo

30 August 2022

To obtain more consistent measurements through the course of a wheat growing season, we conceived and designed an autonomous robotic platform that performs collision avoidance while navigating in crop rows using spatial artificial intelligence (AI)....

(This article belongs to the Special Issue Artificial Intelligence in Agriculture)
  • Article
  • Open Access
1,840 Views
14 Pages

Cross-View Multi-Scale Re-Identification Network in the Perspective of Ground Rotorcraft Unmanned Aerial Vehicle

  • Wenji Yin,
  • Yueping Peng,
  • Hexiang Hao,
  • Baixuan Han and ,
  • Zecong Ye and
  • Wenchao Liu
  • + 1 author+ 0 author

27 November 2024

Traditional Re-Identification (Re-ID) schemes often rely on multiple cameras from the same perspective to search for targets. However, the collaboration between fixed cameras and unmanned aerial vehicles (UAVs) is gradually becoming a new trend in th...

  • Article
  • Open Access
3 Citations
4,694 Views
15 Pages

13 August 2025

This paper systematically analyzes security vulnerabilities that may occur during the OpenCV library and IP camera linkage process for the YOLO v10-based IP camera image processing system used in the disaster safety management field. Recently, the us...

(This article belongs to the Section Industrial Electronics)
  • Article
  • Open Access
1 Citations
1,873 Views
25 Pages

Combined Barrier–Target Coverage for Directional Sensor Network

  • Balázs Kósa,
  • Márk Bukovinszki,
  • Tamás V. Michaletzky and
  • Viktor Tihanyi

18 December 2024

Over the past twenty years, camera networks have become increasingly popular. In response to various demands imposed on these networks, several coverage models have been developed in the scientific literature, such as area, trap, barrier, and target...

(This article belongs to the Section Intelligent Sensors)
  • Proceeding Paper
  • Open Access
27 Views
8 Pages

3 November 2026

Color correction matrix calibration compresses residual error into a single aggregate objective, leaving control over where that error remains. We formulate residual allocation in linear RGB using weighted minimax and L1 linear programs and a convex...

(This article belongs to the Proceedings of The 13th International Electronic Conference on Sensors and Applications)
  • Article
  • Open Access
1 Citations
697 Views
35 Pages

Accurate camera parameter calibration is fundamental to scene geometric reconstruction, target localization, and metric measurement. Existing roadside monocular camera calibration methods usually rely on geometric information such as lane markings. H...

  • Article
  • Open Access
5 Citations
3,331 Views
17 Pages

13 September 2022

Camera attitude control systems for robots require a compact structure and high responsiveness. However, due to the combination structure of several actuators, the camera attitude control system is large. To address this issue, this study proposes a...

(This article belongs to the Section Physical Sensors)
  • Article
  • Open Access
178 Views
25 Pages

29 October 2026

Adversarial manipulation of perception is usually scored per frame by an adversarial success rate (ASR). For a remotely supervised drone this is insufficient: a manipulation is dangerous when neither the modeled remote-human path nor the onboard auto...

(This article belongs to the Section Artificial Intelligence in Drones (AID))
  • Article
  • Open Access
943 Views
29 Pages

Connected Perception Between Lightweight Robot and External Camera for Blind-Spot Awareness

  • Suradet Tantrairatn,
  • Poommin Phinphimai,
  • Nattapong Phuangmalee,
  • Pawarut Karaked and ,
  • Nutchanan Petcharat,
  • Auraluck Pichitkul and
  • Atthaphon Ariyarit
  • + 2 authors+ 0 author

This paper presents a connected perception framework for blind-spot awareness by connecting an external camera system with a lightweight autonomous robot. The proposed system combines real-time object detection, localization, position prediction, and...

  • Article
  • Open Access
1,248 Views
14 Pages

The control accuracy and stability requirements for rotating payloads in remote sensing satellites are becoming increasingly higher. Typically, rotating payloads such as cameras are connected to the satellite body through mechanical bearings. However...

(This article belongs to the Section Astronautics & Space Science)
  • Article
  • Open Access
1 Citations
2,714 Views
17 Pages

4 January 2023

A feedforward strap-down control with a compensator base on the linear extended state observer (LESO) is proposed for a miniaturized camera stabilized platform, which reduces the influence of the dead zone in speed regulation and uncertainties in par...

(This article belongs to the Section Automation and Control Systems)
  • Article
  • Open Access
58 Citations
6,304 Views
14 Pages

5 September 2018

In sensory evaluation, there have been many attempts to obtain responses from the autonomic nervous system (ANS) by analyzing heart rate, body temperature, and facial expressions. However, the methods involved tend to be intrusive, which interfere wi...

(This article belongs to the Section Biosensors)
  • Article
  • Open Access
19 Citations
8,483 Views
19 Pages

22 January 2022

The success of robot localization based on visual odometry (VO) largely depends on the quality of the acquired images. In challenging light conditions, specialized auto-exposure (AE) algorithms that purposely select camera exposure time and gain to m...

(This article belongs to the Special Issue State Estimation for Mobile Robotics)
  • Article
  • Open Access
11 Citations
7,296 Views
22 Pages

24 August 2023

With the increasing prevalence of digital multimedia content, the need for reliable and accurate source camera identification has become crucial in applications such as digital forensics. While effective techniques exist for identifying the source ca...

(This article belongs to the Section Sensing and Imaging)
  • Article
  • Open Access
5 Citations
3,778 Views
23 Pages

StarDICE II: Calibration of an Uncooled Infrared Thermal Camera for Atmospheric Gray Extinction Characterization

  • Kélian Sommer,
  • Bertrand Plez,
  • Johann Cohen-Tanugi,
  • Sylvie Dagoret-Campagne and ,
  • Marc Moniez,
  • Jérémy Neveu,
  • Marc Betoule,
  • Sébastien Bongard,
  • Fabrice Feinstein and
  • Thierry Souverin
  • + 8 authors+ 3 authors

11 July 2024

The StarDICE experiment strives to establish an instrumental metrology chain with a targeted accuracy of 1 mmag in griz bandpasses to meet the calibration requirements of next-generation cosmological surveys. Atmospheric transmission is a significant...

(This article belongs to the Special Issue Editorial Board Members' Collection Series: Advanced Sensing and Imaging Technologies)
  • Article
  • Open Access
14 Citations
9,410 Views
14 Pages

28 December 2022

Road traffic is responsible for the majority of air pollutant emissions in the cities, often presenting high concentrations that exceed the limits set by the EU. This poses a serious threat to human health. In this sense, modelling methods have been...

(This article belongs to the Special Issue Advanced Sensing Technology for Environment Monitoring)
  • Article
  • Open Access
95 Citations
10,878 Views
21 Pages

The DOM Generation and Precise Radiometric Calibration of a UAV-Mounted Miniature Snapshot Hyperspectral Imager

  • Guijun Yang,
  • Changchun Li,
  • Yanjie Wang,
  • Huanhuan Yuan and ,
  • Haikuan Feng,
  • Bo Xu and
  • Xiaodong Yang
  • + 2 authors+ 0 author

22 June 2017

Hyperspectral remote sensing is used in precision agriculture to remotely and quickly acquire crop phenotype information. This paper describes the generation of a digital orthophoto map (DOM) and radiometric calibration for images taken by a miniatur...

(This article belongs to the Special Issue Earth Observations for Precision Farming in China (EO4PFiC))

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