Zobrazeno 1 - 10
of 223
pro vyhledávání: '"YeHua Sheng"'
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 134, Iss , Pp 104148- (2024)
The launch of GEDI opens a new era of forest structure monitoring using full-waveform LiDAR from space. Simulation of GEDI waveform is of great importance for the algorithm design and forest structure metric estimation. DART is a universal 3D radiati
Externí odkaz:
https://doaj.org/article/21cabdc20cfa4da18229deda7448fefe
Publikováno v:
Geo-spatial Information Science, Pp 1-14 (2024)
Digital Elevation Model (DEM) errors tend to be spatially correlated, inevitably affecting DEM-based topographic change detection. Traditional topographic change detection methods often ignore the spatial distribution of the DEM error. This paper aim
Externí odkaz:
https://doaj.org/article/f08a0393545b44b5a51d94b8f29a772f
Publikováno v:
International Journal of Digital Earth, Vol 17, Iss 1 (2024)
ABSTRACTGeographic processes are dynamic, wherein geographical entities and phenomena change over time and are characterized by vagueness. However, most studies on geographic processes employ precise expression methods to describe and express the cha
Externí odkaz:
https://doaj.org/article/98e3e6ddee69498aa09136c7f8caa119
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 132, Iss , Pp 104020- (2024)
Three-dimensional laser scanning technology is widely employed in various fields due to its advantage in rapid acquisition of geographic scene structures. Achieving high precision and automated semantic segmentation of three-dimensional point cloud d
Externí odkaz:
https://doaj.org/article/79c305eb97224cebbcdba24b2d221649
Publikováno v:
International Journal of Digital Earth, Vol 16, Iss 1, Pp 509-531 (2023)
A novel approach is introduced for the detection of the location and direction of traffic congestion using GPS data from taxis. This approach uses a dynamic model that conceptualizes events, processes, and states. The states are the locations of the
Externí odkaz:
https://doaj.org/article/a87f32c191bc4ef8a5dd59fa11423a26
Autor:
Yufeng He, Xiaobian Wu, Weibin Pan, Hui Chen, Songshan Zhou, Shaohua Lei, Xiaoran Gong, Hanzeyu Xu, Yehua Sheng
Publikováno v:
Remote Sensing, Vol 16, Iss 13, p 2404 (2024)
Oblique photography is a regional digital surface model generation technique that can be widely used for building 3D model construction. However, due to the lack of geometric and semantic information about the building, these models make it difficult
Externí odkaz:
https://doaj.org/article/ac01398f8c024cc7bf60278cf36be33a
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 16, Pp 9515-9528 (2023)
Differences in sensor types, resolutions, and imaging conditions can lead to considerable spectral differences in heterogeneous optical remote sensing images and the similarity of scale-invariant feature transform (SIFT) or local self-similarities (L
Externí odkaz:
https://doaj.org/article/526b3b25db20471b997d7496545ea89a
Publikováno v:
International Journal of Digital Earth, Vol 15, Iss 1, Pp 276-295 (2022)
Traditional geographic information system models for map representation use superposition of layers to model physical reality, neglecting the integrity of the environment and limiting the ability to express interactions between features in complex ph
Externí odkaz:
https://doaj.org/article/4ff9ddde262c425e99f9704beaa16d3b
Publikováno v:
ISPRS International Journal of Geo-Information, Vol 13, Iss 1, p 32 (2024)
Sketch maps are an abstract and conceptual expression of humans’ cognition of geographic space. Humans perceive geographical space at different spatial scales. However, few researchers have considered the spatial relationships of geographic element
Externí odkaz:
https://doaj.org/article/2e9dd69c03aa47648e5eacb91d68a9fd
Publikováno v:
Annals of GIS, Vol 27, Iss 3, Pp 315-325 (2021)
Mound tombs, popular in the south Yangzi River area in Shang and Zhou Dynasties, are regional cultural remains in China. With the aims of protecting and scientifically analysing cultural relics, laser scanning technology was adopted to study Zhaihuat
Externí odkaz:
https://doaj.org/article/034ae20f4e5f435ea0eb81edd74f25cd