Results 21 to 30 of about 127,780 (300)

Satellite Laser Altimetry Data-Supported High-Accuracy Mapping of GF-7 Stereo Images

open access: yesRemote Sensing, 2022
GaoFen 7 (GF-7) is China’s first submeter high-resolution stereo mapping satellite with dual-linear-array cameras and a laser altimeter system onboard for high-precision mapping.
Changru Liu   +7 more
doaj   +1 more source

Advances of geo-spatial intelligence at LIESMARS

open access: yesGeo-spatial Information Science, 2020
The enhancement of computing power, the maturity of learning algorithms, and the richness of application scenarios make Artificial Intelligence (AI) solution increasingly attractive when solving Geo-spatial Information Science (GSIS) problems.
Deren Li, Zhenfeng Shao, Ruiqian Zhang
doaj   +1 more source

RADIOMETRIC BLOCK ADJUSMENT AND DIGITAL RADIOMETRIC MODEL GENERATION [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2013
In this paper we present a radiometric block adjustment method that is related to geometric block adjustment and to the concept of a terrain Digital Radiometric Model (DRM) as a complement to the terrain digital elevation and surface models.
A. Pros   +4 more
doaj   +1 more source

Geometric Processing and Accuracy Verification of Zhuhai-1 Hyperspectral Satellites

open access: yesRemote Sensing, 2019
The second batch of Zhuhai-1 microsatellites was successfully launched on 26 April 2018. The batch included four Orbita hyperspectral satellites (referred to as OHS-A, OHS-B, OHS-C, and OHS-D) and one video satellite (OVS-2A), which have excellent ...
Yonghua Jiang   +5 more
doaj   +1 more source

Analysis of development status and adjustment method of a block [PDF]

open access: yesE3S Web of Conferences, 2023
Since a certain block was put into development, it has always put improving the injection production relationship and improving the ultimate recovery factor in the first place.
Han Hongzhi
doaj   +1 more source

Research on Multiview Stereo Mapping Based on Satellite Video Images

open access: yesIEEE Access, 2021
In recent years, video satellite technology has greatly developed, and satellite video is captured using this technology. Because video satellites in motion are consistently aimed at certain areas, satellite video is usually composed of a series of frame
Wentao Li   +6 more
doaj   +1 more source

EXPLOITING MULTI-CAMERA CONSTRAINTS WITHIN BUNDLE BLOCK ADJUSTMENT: AN EXPERIMENTAL COMPARISON [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2021
The growing deployment of multi-head camera systems encouraged the emergence of specific processing algorithms, able to face the challenges posed by slanted view geometry.
E. Maset   +4 more
doaj   +1 more source

QUALITY INSPECTION OF SATELLITE IMAGERY BLOCK ADJUSTMENT WITHOUT GCP [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020
The current status of insufficient research on production technology and quality inspection methods for uncontrolled mapping of block adjustment results for global project. This paper proposes a set of quality inspection process and technical methods for
Y. Zhao   +4 more
doaj   +1 more source

Adaptive Re-weighted Block Adjustment for Multi-Coverage Satellite Stereo Images without Ground Control Points

open access: yesIEEE Access, 2019
Georeferencing satellite imagery is the basis for mapping and other subsequent processing in photogrammetry and remote sensing. Traditional georeferencing methods, which require adequate and well-distributed ground control points (GCPs), are time ...
Kunbo Liu   +5 more
doaj   +1 more source

Method of airborne SAR image match integrating multi-information for block adjustment [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
For the automation of SAR image Block Adjustment, this paper proposed a method of SAR image matching integrating multiinformation. It takes full advantage of SAR image geometric information, feature information, gray-related information and external ...
S. C. Yang   +3 more
doaj   +1 more source

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