Results 11 to 20 of about 82,380 (218)

TriangleConv: A Deep Point Convolutional Network for Recognizing Building Shapes in Map Space

open access: yesISPRS International Journal of Geo-Information, 2021
The classification and recognition of the shapes of buildings in map space play an important role in spatial cognition, cartographic generalization, and map updating.
Chun Liu   +5 more
doaj   +1 more source

RESEARCH ON THE WAY OF SHARING GEOGRAPHIC INFORMATION DATA IN DISASTER MANAGEMENT [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
In the process of disaster emergency response, how to achieve rapid sharing of geographic information data is still a difficult problem to be solved.
T. T. Zhao   +16 more
doaj   +1 more source

IMPROVED ARTIFICIAL IMMUNE NETWORK CROP RECOGNITION ALGORITHM BASED ON DISPERSED VEGETATION INDEX GENETIC CHAIN [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
The rapid and accurate acquisition of crop planting spatial location information using remote sensing is one of the important guarantees to maintain the sustainable development of agriculture.
Y. Zhou, X. Lu, X. Zhang, H. Yu, G. Cai
doaj   +1 more source

Behavioral and Brain Activity Indices of Cognitive Control Deficits in Binge Drinkers

open access: yesBrain Sciences, 2018
Heavy episodic drinking is prevalent among young adults and is a public issue of increasing importance. Its initiation and maintenance are associated with deficits in the capacity to inhibit automatic processing in favor of non-habitual responses.
Sean M. Molnar   +6 more
doaj   +1 more source

Inversion of the hybrid machine learning model to estimate leaf area index of winter wheat from GaoFen-6 WFV imagery

open access: yesGeocarto International, 2022
The leaf area index (LAI) is an important agroecological physiological parameter affecting vegetation growth and is an essential indicator for estimating crop growth.
Xiaoxuan Wang   +3 more
doaj   +1 more source

NEW SOLAR-INDUCED CHLOROPHYLL FLUORESCENCE RETRIEVAL ALGORITHM BASED ON TANSAT SATELLITE DATA [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
Solar-induced chlorophyll fluorescence (SIF) is an indicator of plant photosynthesis which could be detected by satellite. However,some existing algorithms are easily affected by the inaccuracy of satellite data which will causing deviation in the ...
Y. Zhou   +8 more
doaj   +1 more source

AN IMPROVED SYNTHETIC APERTURE RADAR IMAGE DENOISING METHOD BASED ON BLOCK-MATCHING AND 3D FILTERING [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
Block-matching and 3D filtering (BM3D) are used to reduce the multiplicative coherent speckle noise of Synthetic Aperture Radar (SAR) images, which may lead to the loss of image details.
X. Liu, X. Liu, X. Lu, L. Ma, L. Ma
doaj   +1 more source

Preliminary refinement of rotation parameters of asteroids based on photogrammetric processing of on-orbit remote sensing images [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences
In recent years, asteroid exploration has become an important research direction in the field of deep space exploration. The weak gravitational environment of asteroids, as well as their complex topographic, geomorphic, and dynamic characteristics, pose ...
Z. Peng   +7 more
doaj   +1 more source

SPATIAL INTERACTION ANALYSIS OF URBAN FUNCTIONAL DISTRICTS BASED ON TAXI TRAJECTORIES [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2023
The functional differences among various components of a city drive the circulation of logistics, human flows, and energy flows within the city. Qualitatively and quantitatively analyzing the spatial interactions among urban functional districts ...
Y. Zhang   +26 more
doaj   +1 more source

Variation in the surface radiation budget over different land covers in a subtropical humid region: evidence from ground observations

open access: yesFrontiers in Ecology and Evolution, 2023
The surface radiation is a crucial variable for understanding global climate and eco-environment change, which exhibits significant variations over time and space.
Huihui Feng   +8 more
doaj   +1 more source

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