Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Hoyong Ahn"'
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 126, Iss , Pp 103619- (2024)
In this manuscript, a new methodology based on a deep learning model using a Siamese network and attention module was proposed to classify crop cultivation areas, such as onion and garlic, from multitemporal PlanetScope images in South Korea. To cons
Externí odkaz:
https://doaj.org/article/e1b33aa9f5274130a221ac874f2f9d3c
Publikováno v:
Sensors, Vol 20, Iss 9, p 2564 (2020)
In recent years, Korea has sustained consistent access to remote sensed data by launching Korea Multi-Purpose Satellite-3A (KOMPSAT-3A, K3A)—an updated version of the high-resolution KOMPSAT series. This KOMPSAT-3A required calibration and validati
Externí odkaz:
https://doaj.org/article/ba65698604c7404f96eebbca3d943eab
Autor:
Hyun-Dong Moon, Hyunki Kim, Yuna Cho, Euni Jo, Jae-Hyun Ryu, Hoyong Ahn, Sang-Il Na, Kyung-Do Lee, Yangwon Lee, Jaeil Cho
Publikováno v:
International Agrophysics; 2024, Vol. 38 Issue 1, p77-86, 10p
Publikováno v:
Photogrammetric Engineering & Remote Sensing. 85:889-897
This article evaluates UAV photogrammetry systems using smartphones and smart cameras. Image triangulation was conducted in accordance with interior orientation parameters, determined by camera self-calibration. Precise orthomosaic images and digital
Publikováno v:
Sensors, Vol 20, Iss 2564, p 2564 (2020)
Sensors
Volume 20
Issue 9
Sensors (Basel, Switzerland)
Sensors
Volume 20
Issue 9
Sensors (Basel, Switzerland)
In recent years, Korea has sustained consistent access to remote sensed data by launching Korea Multi-Purpose Satellite-3A (KOMPSAT-3A, K3A)&mdash
an updated version of the high-resolution KOMPSAT series. This KOMPSAT-3A required calibration and
an updated version of the high-resolution KOMPSAT series. This KOMPSAT-3A required calibration and
Publikováno v:
Korean Journal of Remote Sensing. 32:529-538
Publikováno v:
Korean Journal of Remote Sensing. 32:353-364
Publikováno v:
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XLI-B1, Pp 379-382 (2016)
In this study, Cross calibration was conducted at the Libya 4 PICS site on 2015 using Landsat-8 and KOMPSAT-3A. Ideally a cross calibration should be calculated for each individual scene pair because on any given date the TOA spectral profile is infl
Publikováno v:
Korean Journal of Remote Sensing. 32:39-48
Yangon Mega City is densely populated and most urbanization area of Myanmar. Rapid urbanization is the main causes of Land Use and Land Cover (LULC) change and they impact on Land Surface Temperature (LST). The objectives of this study were to invest
Autor:
Sangseok Kim, Hoyong Ahn, Hohyun Jeong, Hyung-Woo Kim, Jinwoo Park, Chuluong Choi, Yang-Won Lee
Publikováno v:
Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography. 33:475-483
This study examined the feasibility of using an automatic lens distortion correction (ALDC) camera as the payload for a photogrammetric unmanned aerial vehicle (UAV) system. First, lens distortion for the interior orientation (IO) parameters was esti