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110 Results Found

  • Article
  • Open Access
5 Citations
2,122 Views
14 Pages

LED-Lidar Echo Denoising Based on Adaptive PSO-VMD

  • Ziqi Peng,
  • Hongzi Bai,
  • Tatsuo Shiina,
  • Jianglong Deng,
  • Bei Liu and
  • Xian Zhang

29 November 2022

LED (light-emitting diode)-lidar (light detection and ranging) has gradually been focused on by researchers because of its characteristics of low power, high stability, and safety to human eyes. However, LED-lidar systems are easily disturbed by back...

  • Article
  • Open Access
28 Citations
5,129 Views
19 Pages

Chlorophyll-a Pigment Measurement of Spirulina in Algal Growth Monitoring Using Portable Pulsed LED Fluorescence Lidar System

  • Jumar G. Cadondon,
  • Prane Mariel B. Ong,
  • Edgar A. Vallar,
  • Tatsuo Shiina and
  • Maria Cecilia D. Galvez

12 April 2022

Chlorophyll-a measurement is important in algal growth and water quality monitoring in natural waters. A portable pulsed LED fluorescence lidar system based on the preliminary algal organic matter and pigments excitation–emission matrix (EEM) o...

  • Article
  • Open Access
5 Citations
2,829 Views
12 Pages

30 January 2023

The real-time chlorophyll-a pigment monitoring of C. reinhardtii is studied using our developed LED fluorescence light detection and ranging (LiDAR) system. It features a portable set-up that uses a pulsed LED module with an excitation wavelength of...

  • Article
  • Open Access
3 Citations
3,843 Views
21 Pages

In-Situ LED-Based Observation of Snow Surface and Depth Transects

  • Celeste Barnes,
  • Chris Hopkinson,
  • Thomas Porter and
  • Zhouxin Xi

17 April 2020

As part of a new snowpack monitoring framework, this study evaluated the feasibility of using an LED LIDAR (Leddar) time of flight sensor for snowpack depth measurement. The Leddar sensor has two additional features over simple sonic ranging sensors:...

  • Article
  • Open Access
3,174 Views
16 Pages

Radiometric Calibration of an Inexpensive LED-Based Lidar Sensor

  • Jordan Laughlin,
  • Preston Hartzell,
  • Craig Glennie and
  • Jan W. Kovermann

13 September 2020

Radiometric calibration of laser-based, topographic lidar sensors that measure range via time of flight or phase difference is well established. However, inexpensive, short-range lidar sensors that utilize non-traditional ranging techniques, such as...

  • Article
  • Open Access
11 Citations
3,573 Views
24 Pages

A Novel Approach for Development and Evaluation of LiDAR Navigated Electronic Maize Seeding System Using Check Row Quality Index

  • Nrusingh Charan Pradhan,
  • Pramod Kumar Sahoo,
  • Dilip Kumar Kushwaha,
  • Indra Mani,
  • Ankur Srivastava,
  • Atish Sagar,
  • Nikul Kumari,
  • Susheel Kumar Sarkar and
  • Yash Makwana

3 September 2021

Crop geometry plays a vital role in ensuring proper plant growth and yield. Check row planting allows adequate space for weeding in both direction and allowing sunlight down to the bottom of the crop. Therefore, a light detection and ranging (LiDAR)...

  • Article
  • Open Access
16 Citations
6,055 Views
16 Pages

28 March 2021

A worldwide increase in the number of vehicles on the road has led to an increase in the frequency of serious traffic accidents, causing loss of life and property. Autonomous vehicles could be part of the solution, but their safe operation is depende...

  • Article
  • Open Access
17 Citations
5,036 Views
26 Pages

21 November 2023

Pavement surface maintenance is pivotal for road safety. There exist a number of manual, time-consuming methods to examine pavement conditions and spot distresses. More recently, alternative pavement monitoring methods have been developed, which take...

  • Communication
  • Open Access
10 Citations
2,311 Views
12 Pages

11 July 2022

The satellite-based cloud condensation nuclei (CCN) proxies used to quantify the aerosol-cloud interactions (ACIs) are column integrated and do not guarantee the vertical co-location of aerosols and clouds. This has encouraged the use of height-resol...

  • Article
  • Open Access
102 Citations
12,019 Views
19 Pages

Lidar Aboveground Vegetation Biomass Estimates in Shrublands: Prediction, Uncertainties and Application to Coarser Scales

  • Aihua Li,
  • Shital Dhakal,
  • Nancy F. Glenn,
  • Lucas P. Spaete,
  • Douglas J. Shinneman,
  • David S. Pilliod,
  • Robert S. Arkle and
  • Susan K. McIlroy

31 August 2017

Our study objectives were to model the aboveground biomass in a xeric shrub-steppe landscape with airborne light detection and ranging (Lidar) and explore the uncertainty associated with the models we created. We incorporated vegetation vertical stru...

  • Article
  • Open Access
11 Citations
6,219 Views
15 Pages

Strategies for the Storage of Large LiDAR Datasets—A Performance Comparison

  • Juan A. Béjar-Martos,
  • Antonio J. Rueda-Ruiz,
  • Carlos J. Ogayar-Anguita,
  • Rafael J. Segura-Sánchez and
  • Alfonso López-Ruiz

31 May 2022

The widespread use of LiDAR technologies has led to an ever-increasing volume of captured data that pose a continuous challenge for its storage and organization, so that it can be efficiently processed and analyzed. Although the use of system files i...

  • Article
  • Open Access
7 Citations
3,263 Views
17 Pages

Use of Mobile Laser Scanning (MLS) to Monitor Vegetation Recovery on Linear Disturbances

  • Caren E. Jones,
  • Angeline Van Dongen,
  • Jolan Aubry,
  • Stefan G. Schreiber and
  • Dani Degenhardt

22 October 2022

Seismic lines are narrow, linear corridors cleared through forests for oil and gas exploration. Their inconsistent recovery has led to Alberta’s forests being highly fragmented, resulting in the need for seismic line restoration programs and su...

  • Article
  • Open Access
8 Citations
2,521 Views
20 Pages

Trans-Boundary Dust Transport of Dust Storms in Northern China: A Study Utilizing Ground-Based Lidar Network and CALIPSO Satellite

  • Zhisheng Zhang,
  • Zhiqiang Kuang,
  • Caixia Yu,
  • Decheng Wu,
  • Qibing Shi,
  • Shuai Zhang,
  • Zhenzhu Wang and
  • Dong Liu

29 March 2024

During 14–16 March 2021, a large-scale dust storm event occurred in the northern region of China, and it was considered the most intense event in the past decade. This study employs observation data for PM2.5 and PM10 from the air quality monit...

  • Article
  • Open Access
3,293 Views
29 Pages

Effects of Viewing Geometry on Multispectral Lidar-Based Needle-Leaved Tree Species Identification

  • Brindusa Cristina Budei,
  • Benoît St-Onge,
  • Richard A. Fournier and
  • Daniel Kneeshaw

8 December 2022

Identifying tree species with remote sensing techniques, such as lidar, can improve forest management decision-making, but differences in scan angle may influence classification accuracy. The multispectral Titan lidar (Teledyne Optech Inc., Vaughan,...

  • Article
  • Open Access
6 Citations
2,435 Views
16 Pages

31 January 2024

In the summer of 2017, huge wildfires in the British Columbia region (Canada) led to the injection of a remarkably high concentration of biomass burning aerosol in the atmosphere. These aerosol masses reached the city of Naples, Italy, at the end of...

  • Technical Note
  • Open Access
21 Citations
2,939 Views
16 Pages

Rayleigh Lidar Signal Denoising Method Combined with WT, EEMD and LOWESS to Improve Retrieval Accuracy

  • Yijian Zhang,
  • Tong Wu,
  • Xianzhong Zhang,
  • Yue Sun,
  • Yu Wang,
  • Shijie Li,
  • Xinqi Li,
  • Kai Zhong,
  • Zhaoai Yan and
  • Degang Xu
  • + 1 author

7 July 2022

Lidar is an active remote sensing technology that has many advantages, but the echo lidar signal is extremely susceptible to noise and complex atmospheric environment, which affects the effective detection range and retrieval accuracy. In this paper,...

  • Review
  • Open Access
3 Citations
7,133 Views
37 Pages

Camera, LiDAR, and IMU Spatiotemporal Calibration: Methodological Review and Research Perspectives

  • Xinyu Lyu,
  • Songlin Liu,
  • Rongcan Qiao,
  • Songyang Jiang and
  • Yuanshi Wang

2 September 2025

Multi-sensor fusion systems involving Light Detection and Ranging (LiDAR), cameras, and inertial measurement units (IMUs) have been widely adopted in fields such as autonomous driving and robotics due to their complementary perception capabilities. T...

  • Article
  • Open Access
21 Citations
6,907 Views
23 Pages

Moving Voxel Method for Estimating Canopy Base Height from Airborne Laser Scanner Data

  • Almasi S. Maguya,
  • Katri Tegel,
  • Virpi Junttila,
  • Tuomo Kauranne,
  • Markus Korhonen,
  • Janice Burns,
  • Vesa Leppanen and
  • Blanca Sanz

15 July 2015

Canopy base height (CBH) is a key parameter used in forest-fire modeling, particularly crown fires. However, estimating CBH is a challenging task, because normally, it is difficult to measure it in the field. This has led to the use of simple estimat...

  • Article
  • Open Access
8 Citations
3,496 Views
12 Pages

LiDAR-Based 3D Temporal Object Detection via Motion-Aware LiDAR Feature Fusion

  • Gyuhee Park,
  • Junho Koh,
  • Jisong Kim,
  • Jun Moon and
  • Jun Won Choi

18 July 2024

Recently, the growing demand for autonomous driving in the industry has led to a lot of interest in 3D object detection, resulting in many excellent 3D object detection algorithms. However, most 3D object detectors focus only on a single set of LiDAR...

  • Review
  • Open Access
15 Citations
10,694 Views
28 Pages

19 January 2024

SLAM (Simultaneous Localization and Mapping) based on 3D LiDAR (Laser Detection and Ranging) is an expanding field of research with numerous applications in the areas of autonomous driving, mobile robotics, and UAVs (Unmanned Aerial Vehicles). Howeve...

  • Article
  • Open Access
4 Citations
3,844 Views
18 Pages

16 October 2024

Forest carbon stock is an important indicator reflecting a forest ecosystem’s structures and functions. Its spatial distribution is valuable for managing natural resources, protecting ecosystems and biodiversity, and further promoting sustainab...

  • Article
  • Open Access
5 Citations
2,742 Views
24 Pages

30 September 2024

Forest canopy height (FCH) is an important variable for estimating forest biomass and ecosystem carbon sequestration. Spaceborne LiDAR data have been used to create wall-to-wall FCH maps, such as the forest tree height map of China (FCHChina), Global...

  • Article
  • Open Access
22 Citations
4,891 Views
17 Pages

16 October 2021

Accurate yield estimation and optimized agricultural management is a key goal in precision agriculture, while depending on many different production attributes, such as soil properties, fertilizer and irrigation management, the weather, and topograph...

  • Article
  • Open Access
11 Citations
3,091 Views
14 Pages

Study of Persistent Pollution in Hefei during Winter Revealed by Ground-Based LiDAR and the CALIPSO Satellite

  • Zhiyuan Fang,
  • Hao Yang,
  • Ye Cao,
  • Kunming Xing,
  • Dong Liu,
  • Ming Zhao and
  • Chenbo Xie

16 January 2021

LiDAR and CALIPSO satellites are effective tools for detecting air pollution, and by employing PM2.5 observation data, ground-based LiDAR measurements, CALIPSO satellite data, meteorological data, and back-trajectory analysis, we analyzed the process...

  • Article
  • Open Access
6,246 Views
39 Pages

Assessing Conservation Conditions at La Fortaleza de Kuelap, Peru, Based on Integrated Close-Range Remote Sensing and Near-Surface Geophysics

  • Ivan Ghezzi,
  • Jacek Kościuk,
  • Warren Church,
  • Parker VanValkenburgh,
  • Bartłomiej Ćmielewski,
  • Matthias Kucera,
  • Paweł B. Dąbek,
  • Jeff Contreras,
  • Nilsson Mori and
  • Giovanni Righetti
  • + 2 authors

16 March 2024

We combined datasets from multiple research projects and remote sensing technologies to evaluate conservation conditions at La Fortaleza de Kuelap, a pre-Hispanic site in Peru that suffered significant damage under heavy seasonal rains in April 2022....

  • Article
  • Open Access
28 Citations
6,567 Views
19 Pages

Multi-Temporal LiDAR and Hyperspectral Data Fusion for Classification of Semi-Arid Woody Cover Species

  • Cynthia L. Norton,
  • Kyle Hartfield,
  • Chandra D. Holifield Collins,
  • Willem J. D. van Leeuwen and
  • Loretta J. Metz

17 June 2022

Mapping the spatial distribution of woody vegetation is important for monitoring, managing, and studying woody encroachment in grasslands. However, in semi-arid regions, remotely sensed discrimination of tree species is difficult primarily due to the...

  • Article
  • Open Access
21 Citations
6,771 Views
13 Pages

3 April 2015

A Raman Lidar (RL) system is developed to measure the water vapor mixing ratio (WVMR) and aerosol optical property in Wuhan with high temporal-spatial resolution during rainless nights. The principle of the self-developed lidar system and data proces...

  • Article
  • Open Access
4 Citations
2,478 Views
18 Pages

14 November 2023

Loss of forest cover and derived effects on forest ecosystems services has led to the establishment of land management policies and forest monitoring systems, and consequently to the demand for accurate and multitemporal data on forest extent and str...

  • Article
  • Open Access
6 Citations
3,046 Views
26 Pages

Comparison of Supervised Learning and Changepoint Detection for Insect Detection in Lidar Data

  • Trevor C. Vannoy,
  • Nathaniel B. Sweeney,
  • Joseph A. Shaw and
  • Bradley M. Whitaker

5 December 2023

Concerns about decreases in insect population and biodiversity, in addition to the need for monitoring insects in agriculture and disease control, have led to an increased need for automated, non-invasive monitoring techniques. To this end, entomolog...

  • Article
  • Open Access
40 Citations
5,473 Views
15 Pages

Applying a Portable Backpack Lidar to Measure and Locate Trees in a Nature Forest Plot: Accuracy and Error Analyses

  • Yuyang Xie,
  • Tao Yang,
  • Xiaofeng Wang,
  • Xi Chen,
  • Shuxin Pang,
  • Juan Hu,
  • Anxian Wang,
  • Ling Chen and
  • Zehao Shen

8 April 2022

Accurate tree positioning and measurement of structural parameters are the basis of forest inventory and mapping, which are important for forest biomass calculation and community dynamics analyses. Portable backpack lidar that integrates the simultan...

  • Article
  • Open Access
13 Citations
6,568 Views
29 Pages

Predicting Carbon Accumulation in Temperate Forests of Ontario, Canada Using a LiDAR-Initialized Growth-and-Yield Model

  • Paulina T. Marczak,
  • Karin Y. Van Ewijk,
  • Paul M. Treitz,
  • Neal A. Scott and
  • Donald C.E. Robinson

6 January 2020

Climate warming has led to an urgent need for improved estimates of carbon accumulation in uneven-aged, mixed temperate forests, where high uncertainty remains. We investigated the feasibility of using LiDAR-derived forest attributes to initialize a...

  • Article
  • Open Access
6 Citations
5,504 Views
16 Pages

1 April 2022

The micro-electro-mechanical systems (MEMS) resonant scanners are in great demand for numerous light scanning applications. Recently, the development of LiDAR in micro-robotics and mobile devices has led to the requirement of ultra-small systems with...

  • Article
  • Open Access
10 Citations
3,409 Views
20 Pages

A Joint Convolutional Cross ViT Network for Hyperspectral and Light Detection and Ranging Fusion Classification

  • Haitao Xu,
  • Tie Zheng,
  • Yuzhe Liu,
  • Zhiyuan Zhang,
  • Changbin Xue and
  • Jiaojiao Li

26 January 2024

The fusion of hyperspectral imagery (HSI) and light detection and ranging (LiDAR) data for classification has received widespread attention and has led to significant progress in research and remote sensing applications. However, existing common CNN...

  • Article
  • Open Access
1 Citations
2,463 Views
21 Pages

The widespread use of Light Detection and Ranging (LiDAR) technology has led to a surge in three-dimensional point cloud data; although, it also poses challenges in terms of data storage and indexing. Efficient storage and management of LiDAR data ar...

  • Article
  • Open Access
60 Citations
2,661 Views
17 Pages

Compatible Biomass Model with Measurement Error Using Airborne LiDAR Data

  • Xingjing Chen,
  • Dongbo Xie,
  • Zhuang Zhang,
  • Ram P. Sharma,
  • Qiao Chen,
  • Qingwang Liu and
  • Liyong Fu

14 July 2023

Research on the inversion of forest aboveground biomass based on airborne light detection and ranging (LiDAR) data focuses on finding the relationship between the two, such as established linear or nonlinear models. However, these models may have poo...

  • Article
  • Open Access
5 Citations
3,590 Views
20 Pages

Driving Factors and Spatial Distribution of Aboveground Biomass in the Managed Forest in the Terai Region of Nepal

  • Yam Bahadur KC,
  • Qijing Liu,
  • Pradip Saud,
  • Chang Xu,
  • Damodar Gaire and
  • Hari Adhikari

5 April 2024

Above-ground biomass (AGB) is affected by numerous factors, including topography, climate, land use, or tree/forest attributes. Investigating the distribution and driving factors of AGB within the managed forests in Nepal is crucial for developing ef...

  • Article
  • Open Access
5 Citations
2,069 Views
19 Pages

Integrating Dendrochronological and LiDAR Data to Improve Management of Pinus canariensis Forests under Different Thinning and Climatic Scenarios

  • Rafael M. Navarro-Cerrillo,
  • Eva Padrón Cedrés,
  • Antonio M. Cachinero-Vivar,
  • Cristina Valeriano and
  • Jesús Julio Camarero

29 February 2024

Thinning focused on achieving growth and diameter management objectives has typically led to stands with reduced climate sensitivity compared to unthinned stands. We integrated dendrochronological with Airborne Laser Scanner (LiDAR) data and growth m...

  • Article
  • Open Access
29 Citations
12,039 Views
17 Pages

Modeling and Mapping Agroforestry Aboveground Biomass in the Brazilian Amazon Using Airborne Lidar Data

  • Qi Chen,
  • Dengsheng Lu,
  • Michael Keller,
  • Maiza Nara Dos-Santos,
  • Edson Luis Bolfe,
  • Yunyun Feng and
  • Changwei Wang

30 December 2015

Agroforestry has large potential for carbon (C) sequestration while providing many economical, social, and ecological benefits via its diversified products. Airborne lidar is considered as the most accurate technology for mapping aboveground biomass...

  • Article
  • Open Access
4 Citations
2,333 Views
19 Pages

Measurements of Complex Free Water Surface Topography Using a Photogrammetric Method

  • Žan Pleterski,
  • Marko Hočevar,
  • Benjamin Bizjan,
  • Sabina Kolbl Repinc and
  • Gašper Rak

29 September 2023

This paper presents a photogrammetry-based system for capturing turbulent aerated flow topography in a laboratory environment, especially for complex hydraulic phenomena character-ised by turbulent, non-stationary, and non-homogeneous aerated flows....

  • Article
  • Open Access
6 Citations
2,960 Views
18 Pages

Joint Classification of Hyperspectral Images and LiDAR Data Based on Dual-Branch Transformer

  • Qingyan Wang,
  • Binbin Zhou,
  • Junping Zhang,
  • Jinbao Xie and
  • Yujing Wang

29 January 2024

In the face of complex scenarios, the information insufficiency of classification tasks dominated by a single modality has led to a bottleneck in classification performance. The joint application of multimodal remote sensing data for surface observat...

  • Article
  • Open Access
39 Citations
5,411 Views
21 Pages

Development of a System of Compatible Individual Tree Diameter and Aboveground Biomass Prediction Models Using Error-In-Variable Regression and Airborne LiDAR Data

  • Liyong Fu,
  • Qingwang Liu,
  • Hua Sun,
  • Qiuyan Wang,
  • Zengyuan Li,
  • Erxue Chen,
  • Yong Pang,
  • Xinyu Song and
  • Guangxing Wang

22 February 2018

Estimating individual tree diameters at breast height (DBH) from delineated crowns and tree heights on the basis of airborne light detection and ranging (LiDAR) data provides a good opportunity for large-scale forest inventory. Generally, ground-base...

  • Article
  • Open Access
2 Citations
448 Views
10 Pages
Limnol. Rev.2016, 16(3), 155-164;https://doi.org/10.1515/limre-2016-0017 
(registering DOI)

30 January 2017

The aim of this study is to reconstitute the changes in the local water cycle and plant habitats occurring in wetlands under anthropic influence. The selected area for the study in this paper is the swamp of Pobłockie Peatbog, located in the catchmen...

  • Article
  • Open Access
16 Citations
3,324 Views
21 Pages

Analysis of Depth Cameras for Proximal Sensing of Grapes

  • Baden Parr,
  • Mathew Legg and
  • Fakhrul Alam

31 May 2022

This work investigates the performance of five depth cameras in relation to their potential for grape yield estimation. The technologies used by these cameras include structured light (Kinect V1), active infrared stereoscopy (RealSense D415), time of...

  • Article
  • Open Access
106 Citations
20,358 Views
17 Pages

7 February 2020

Recent developments in sensor technologies such as Global Navigation Satellite Systems (GNSS), Inertial Measurement Unit (IMU), Light Detection and Ranging (LiDAR), radar, and camera have led to emerging state-of-the-art autonomous systems, such as d...

  • Article
  • Open Access
4 Citations
3,252 Views
15 Pages

Landscape Patterns of Rare Vascular Plants in the Lower Athabasca Region of Alberta, Canada

  • Scott E. Nielsen,
  • Jacqueline M. Dennett and
  • Christopher W. Bater

24 June 2020

Predicting habitat for rare species at landscape scales is a common goal of environmental monitoring, management, and conservation; however, the ability to meet that objective is often limited by the paucity of location records and availability of sp...

  • Article
  • Open Access
31 Citations
8,128 Views
16 Pages

Evaluation of Over-The-Row Harvester Damage in a Super-High-Density Olive Orchard Using On-Board Sensing Techniques

  • Manuel Pérez-Ruiz,
  • Pilar Rallo,
  • M. Rocío Jiménez,
  • Miguel Garrido-Izard,
  • M. Paz Suárez,
  • Laura Casanova,
  • Constantino Valero,
  • Jorge Martínez-Guanter and
  • Ana Morales-Sillero

17 April 2018

New super-high-density (SHD) olive orchards designed for mechanical harvesting using over-the-row harvesters are becoming increasingly common around the world. Some studies regarding olive SHD harvesting have focused on the effective removal of the o...

  • Article
  • Open Access
1,118 Views
21 Pages

25 February 2025

Recent advances in autonomous driving have led to an increased use of LiDAR (Light Detection and Ranging) sensors for high-frequency 3D perceptions, resulting in massive data volumes that challenge in-vehicle networks, storage systems, and cloud-edge...

  • Article
  • Open Access
3 Citations
4,422 Views
13 Pages

Dynamics of Muddy Rain of 15 June 2018 in Nepal

  • Ashok Kumar Pokharel,
  • Tianli Xu,
  • Xiaobo Liu and
  • Binod Dawadi

It has been revealed from the Modern-Era Retrospective analysis for Research and Applications MERRA analyses, Moderate Resolution Imaging Spectroradiometer MODIS/Terra satellite imageries, Naval Aerosol Analysis and Prediction System NAAPS model outp...

  • Article
  • Open Access
3 Citations
2,796 Views
19 Pages

6 August 2024

The integration of technological advancements has significantly impacted artificial intelligence (AI), enhancing the reliability of AI model outputs. This progress has led to the widespread utilization of AI across various sectors, including automoti...

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