Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Yaokai Liu"'
Autor:
Yingxian Wang, Yaokai Liu, Weiwei Zhao, Jian Zeng, Huixian Wang, Renfei Wang, Zhaopeng Xu, Qijin Han
Publikováno v:
Remote Sensing, Vol 16, Iss 7, p 1287 (2024)
The GaoFen6 (GF-6) satellite, equipped with a wide full-swath (WFV) sensor, offers high spatial resolution and extensive coverage, making it widely utilized in agricultural and forestry classification, land resource monitoring, and other fields. Accu
Externí odkaz:
https://doaj.org/article/ab1b620c3a1a4357ab1d44150ebf1db9
Autor:
Tian Zhao, Xihan Mu, Wanjuan Song, Yaokai Liu, Yun Xie, Bo Zhong, Donghui Xie, Lingmei Jiang, Guangjian Yan
Publikováno v:
Journal of Remote Sensing, Vol 3 (2023)
Fractional vegetation cover (FVC) is a critical biophysical parameter that characterizes the status of terrestrial ecosystems. The spatial resolutions of most existing FVC products are still at the kilometer level. However, there is growing demand fo
Externí odkaz:
https://doaj.org/article/f4ebc75006c7437ea3a9ee10f9ac3320
An Approach for Evaluating Multisite Radiometry Calibration of Sentinel-2B/MSI Using RadCalNet Sites
Autor:
Caixia Gao, Yaokai Liu, Zhifeng Wu, Lingling Ma, Shi Qiu, Chuanrong Li, Yongguang Zhao, Qijin Han, Enyu Zhao, Yonggang Qian, Ning Wang
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 14, Pp 8473-8483 (2021)
The Sentinel-2B offers high spatial resolution optical imagery from 13 bands in the visible, near infrared, and short-wave infrared range of the electromagnetic spectrum, providing enhanced continuity to monitoring global terrestrial surfaces and coa
Externí odkaz:
https://doaj.org/article/c660902b744347269e447dc2fb771a8a
Autor:
Yonggang Qian, Ning Wang, Kun Li, Hua Wu, Sibo Duan, Yaokai Liu, Lingling Ma, Caixia Gao, Shi Qiu, Lingli Tang, Chuanrong Li
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 13, Pp 284-292 (2020)
This article addressed the simultaneous retrieval of land surface temperature (LST) and emissivity (LST&E) from the time-series thermal infrared data. On the basis of the assumption that the time-series LSTs can be described by a piecewise linear fun
Externí odkaz:
https://doaj.org/article/554fd4034df84836a25b44dd0c657fef
Autor:
Caixia Gao, Yaokai Liu, Shi Qiu, Chuanrong Li, Lingling Ma, Qijin Han, Jingru Liu, Enyu Zhao, Yongguang Zhao, Yonggang Qian, Ning Wang
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 13, Pp 2337-2350 (2020)
Optical satellite sensor generally suffers from drifts and biases relative to their prelaunch calibration, caused by launch and the space environment. Radiometric cross-calibration is valuable for calibrating sensors without coincident surface measur
Externí odkaz:
https://doaj.org/article/83a7923b413d4e78a355d9557f5aff0d
Autor:
Lingling Ma, Yongguang Zhao, Chuanrong Li, Philippe Goryl, Cheng Liu, Jieying He, Pucai Wang, Marc Bouvet, Ran Zhao, Ning Wang, Yaokai Liu, Caixia Gao, Bart Dils, Chengxin Zhang, Ka Lok Chan, Xinhong Wang
Publikováno v:
Remote Sensing, Vol 13, Iss 24, p 4996 (2021)
Robust calibration and validation (Cal and Val) should guarantee the accuracy of the retrieved information, make the remote sensing data consistent and traceable, and maintain the sensor performance during the operational phase. The DRAGON program ha
Externí odkaz:
https://doaj.org/article/cc2807feaad44a5d969287b5c4abfd6b
Autor:
Jinjin Li, Shi Qiu, Yu Zhang, Benyong Yang, Caixia Gao, Yonggang Qian, Yaokai Liu, Yongguang Zhao
Publikováno v:
Remote Sensing, Vol 13, Iss 2, p 301 (2021)
The Day–Night Band (DNB) imaging sensor of the Visible Infrared Imaging Radiometer Suite (VIIRS) adds nighttime monitoring capability to the Suomi National Polar-Orbiting Partnership and National Oceanic and Atmospheric Administration 20 weather sa
Externí odkaz:
https://doaj.org/article/67875d94c2704e53a51119213244060e
Autor:
Caixia Gao, Yaokai Liu, Jinru Liu, Lingling Ma, Zhifeng Wu, Shi Qiu, Chuanrong Li, Yongguang Zhao, Qijin Han, Enyu Zhao, Yonggang Qian, Ning Wang
Publikováno v:
Remote Sensing, Vol 12, Iss 15, p 2404 (2020)
Field calibration is a feasible way to evaluate space-borne optical sensor observations via natural or artificial sites on Earth’s surface with the aid of synchronous surface and atmospheric characteristic data. Since field calibration is affected
Externí odkaz:
https://doaj.org/article/d3570991c13c4b83a363a70108d4d841
Autor:
Lingling Ma, Yongguang Zhao, Emma R. Woolliams, Caihong Dai, Ning Wang, Yaokai Liu, Ling Li, Xinhong Wang, Caixia Gao, Chuanrong Li, Lingli Tang
Publikováno v:
Remote Sensing, Vol 12, Iss 11, p 1696 (2020)
Vicarious calibration and validation techniques are important tools to ensure the long-term stability and inter-sensor consistency of satellite sensors making observations in the solar-reflective spectral domain. Automated test sites, which have cont
Externí odkaz:
https://doaj.org/article/bf477a9e4f25498bb96926b8cef7d716
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 7, Iss 6, Pp 2630-2638 (2014)
Hyperspectral imaging has been widely applied in remote sensing scientific fields. For this study, hyperspectral imaging data covering the spectral region from 400 to 1000 nm were collected from an unmanned aerial vehicle visible/near-infrared imagin
Externí odkaz:
https://doaj.org/article/4fae5637f5e74082a35a26b2f8eca53f