Results 41 to 50 of about 107,677 (247)

Geometry processing and accuracy verification of dual-line array cameras of GF-7 satellite [PDF]

National Remote Sensing Bulletin
D. L. Li, Zhengwei Sui, Xiaoxiang Long, Qingpeng LI, Zhiyuan QIAO, Zhong Hui-min, Xiaoyan Wang   +6 more
openalex   +2 more sources

Rigorous Sensor Model of Gaofen-7 Satellite Laser Altimeter Based on Coupled Footprint Camera

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
The Gaofen-7 (GF-7) satellite system adds a footprint camera that shares the same optical path as its laser altimeter to ensure consistent spatial referencing between the laser footprint point and the obtained optical images.
Shaoning Li, Guo Zhang, Xiufang Fan
doaj   +1 more source

A Separate Calibration Method of Laser Pointing and Ranging for the GF-7 Satellite Laser That Does Not Require Field Detectors

Remote Sensing, 2022
Satellite laser altimeters have been widely used in the surveying, mapping, forestry, and polar regions and by other industries due to their excellent elevation measurement accuracy.
Ren Liu, Junfeng Xie, Chaopeng Xu, Junze Zeng, Fan Mo, Xiaomeng Yang   +5 more
doaj   +1 more source

Comparison of Integrating GF-7 and ICESat-2 Laser Altimetry Data with High-resolution Stereo Images for Stereo Mapping [PDF]

ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Currently, two types of satellite laser altimetry systems are in operation: the full waveform linear system and the single-photon-counting system, which exhibit significant differences in both data format and processing methodologies.
J. Chen, G. Li, J. Guo, J. Peng, J. Peng
doaj   +1 more source

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

Remote 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. To further take advantage of the very high elevation accuracy of laser altimetry data and the high relative accuracy with stereo images, an innovative combined adjustment ...
Changru Liu, Ximin Cui, Li Guo, Ling Wu, Xinming Tang, Shuhan Liu, Debao Yuan, Xia Wang   +7 more
openaire   +2 more sources

Extraction of Pig Farms From GaoFen Satellite Images Based on Deep Learning

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
Accurate information on the spatial distribution and area of pig farms is essential for pig breeding monitoring, pork production estimation, and environmental governance of pig breeding. Governmental regulatory departments mostly rely on field surveys to
Jielin Guan, Le Li, Zurui Ao, Kefei Zhao, Yaozhong Pan, Weifeng Ma   +5 more
doaj   +1 more source

Design and Data Processing of China's First Spaceborne Laser Altimeter System for Earth Observation: GaoFen-7

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020
The GaoFen-7 (GF-7) satellite, which was launched on November 3, 2019, is China's first civilian submeter stereo mapping satellite. The satellite is equipped with the first laser altimeter officially in China for earth observation.
Junfeng Xie, Genghua Huang, Ren Liu, Chenguang Zhao, Jun Dai, Taoyong Jin, Fan Mo, Ying Zhen, Shaoli Xi, Hongzhao Tang, Xianhui Dou, Chenchen Yang   +11 more
doaj   +1 more source

Delving into the Role of Dietary Fiber in Gluten-Free Bread Formulations: Integrating Fundamental Rheological, Technological, Sensory, and Nutritional Aspects

Polysaccharides, 2021
The evidenced relevance of dietary fibers (DF) as functional ingredients shifted the research focus towards their incorporation into gluten-free (GF) bread, aiming to attain the DF contents required for the manifestation of health benefits.
Marijana Djordjević, Miljana Djordjević, Dragana Šoronja-Simović, Ivana Nikolić, Zita Šereš   +4 more
doaj   +1 more source

Impact of granular filtration on ultrafiltration membrane performance as pre-treatment to seawater desalination in presence of algal blooms

Journal of Water Reuse and Desalination, 2018
To mitigate fouling of the ultrafiltration (UF) membrane and improve permeate quality, we coupled granular filters (GF) with UF membrane as a pre-treatment for reconstituted seawater in the presence of algal bloom.
Nour-Eddine Sabiri, Véronique Séchet, Pascal Jaouen, Maxime Pontié, Anthony Massé, Séverine Plantier   +5 more
doaj   +1 more source

Calcium and Iron Content of Cereal-Based Gluten-Free Products

Foods, 2022
The impact of a gluten-free (GF) diet on the intake of calcium and iron is broadly unknown, as the micronutrient content of GF cereal-based products has scarcely been measured.
Yvonne Jeanes, Ambra Spitale, Giorgia Nicolini, Voulla Bergmann, Lorretta Fagbemi, Rawan Rasheid, Camilla Hovland, Adele Costabile   +7 more
doaj   +1 more source