Results 61 to 70 of about 1,316,422 (315)

RANDOM FOREST-BASED RIVER PLASTIC DETECTION WITH A HANDHELD MULTISPECTRAL CAMERA

, 2021
Plastic pollution has become one of the main global environmental emergencies. A considerable part of used plastics materials is dispersed or accumulated in the environment with a significant damaging impact on many terrestrial and aquatic ecosystems ...
I. Cortesi, A. Masiero, M. De Giglio, G. Tucci, M. Dubbini   +4 more
semanticscholar   +1 more source

VEGETATION MAPPING OF A COASTAL DUNE COMPLEX USING MULTISPECTRAL IMAGERY ACQUIRED FROM AN UNMANNED AERIAL SYSTEM [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
Vegetation mapping, identifying the distribution of plant species, is important for analysing vegetation dynamics, quantifying spatial patterns of vegetation evolution, analysing the effects of environment changes on vegetation, and predicting spatial ...
C. Suo, E. McGovern, A. Gilmer
doaj   +1 more source

The Accuracy Differences of Using Unmanned Aerial Vehicle Images Monitoring Maize Plant Height at Different Growth Stages

智慧农业, 2021
The digital elevation model (DEM) of maize population in field was constructed by using optical imaging equipment mounted on unmanned aerial vehicle (UAV) to study the accuracy difference of maize population height monitoring at different growth stages ...
YANG Jin, MING Bo, YANG Fei, XU Honggen, LI Lulu, GAO Shang, LIU Chaowei, WANG Keru, LI Shaokun   +8 more
doaj   +1 more source

Investigation and evaluation of algorithms for unmanned aerial vehicle multispectral image registration

International Journal of Applied Earth Observations and Geoinformation, 2021
Automatically registration of unmanned aerial vehicle (UAV) multispectral images is fundamental for subsequent applications. Although many studies exist for visible camera images and satellite multispectral image registration, studies for UAV are still ...
Lingxuan Meng, Ji Zhou, Shaomin Liu, Lirong Ding, Jirong Zhang, Shaofei Wang, Tianjie Lei   +6 more
doaj   +1 more source

Discrimination between Sedimentary Rocks from Close-Range Visible and Very-Near-Infrared Images. [PDF]

PLoS ONE, 2015
Variation in the mineral composition of rocks results in a change of their spectral response capable of being studied by imaging spectroscopy. This paper proposes the use of a low-cost handy sensor, a calibrated visible-very near infrared (VIS-VNIR ...
Susana Del Pozo, Roderik Lindenbergh, Pablo Rodríguez-Gonzálvez, Jan Kees Blom, Diego González-Aguilera   +4 more
doaj   +1 more source

Multichannel Object Detection for Detecting Suspected Trees With Pine Wilt Disease Using Multispectral Drone Imagery

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
In this article, a multichannel convolutional neural network (CNN) based object detection was used to detect suspected trees of pine wilt disease after acquiring aerial photographs through a rotorcraft drone equipped with a multispectral camera.
Hae Gwang Park, Jong Pil Yun, Min Young Kim, Seung Hyun Jeong   +3 more
doaj   +1 more source

Design and Verification of a Low-Cost Multispectral Camera for Precision Agriculture Application

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
With the rapid increase of the world population, climate changes, and the slow expansion of cultivated areas, only precision agriculture (PA) can provide enough food or resources.
Marko Barjaktarović, Massimo Santoni, L. Bruzzone   +2 more
semanticscholar   +1 more source

Tetracam Mini MCA-6 multispectral camera.

, 2015
Tetracam Mini MCA-6 multispectral camera.
Susana Del Pozo (766289), Roderik Lindenbergh (766290), Jan Kees Blom (766292), Diego González-Aguilera (5029397), Pablo Rodríguez-Gonzálvez (766291)   +4 more
core   +1 more source

Panoramic, Macro and Micro Multispectral Imaging: An Affordable System for Mapping Pigments on Artworks

Journal of Conservation and Museum Studies, 2015
Multispectral imaging systems are used in art examinations to map and identify pigments, binders and areas of retouching. A monochromatic camera is combined with an appropriate wavelength selection system and acquires a variable ...
Antonino Cosentino
doaj   +3 more sources

Novel accuracy test for multispectral imaging systems based on ΔE measurements

Journal of the European Optical Society-Rapid Publications, 2018
In the printing industry, multispectral line scan cameras are being applied with increasing frequency in print inspection. This field of application requires highly accurate camera systems. In this article, we describe a novel approach to determining the
Marcel Dierl, Timo Eckhard, Bernhard Frei, Maximilian Klammer, Sascha Eichstädt, Clemens Elster   +5 more
doaj   +1 more source