zy3 satellite

Ziyuan-3 Satellite Overview Image: CAST via 9ifly.cn. The second satellite is managed by the Satellite Surveying and Mapping Application Center (SASMAC). (or is it just me...), Smithsonian Privacy Meanwhile, CEODE organized a satellite launch and in-orbit testing working group of about 50 researchers to make plans for data reception, recording, transmission, communication and other logistical support.

More information is available on our blog. In particular, addition of the MABIs can further reduce the omission errors where medium/high rise buildings with low local contrast exist. The results show that the fusion of MBI and Harris corner can achieve satisfactory accuracy, i.e., 91.12%, 88.85%, 82.82% and 0.85, for the average overall accuracy (OA), user's accuracy (UA), producer's accuracy (PA), and F1-score, respectively, for all the test cities. At the same time, the payloads can also provide high-resolution infrared and stereoscopic images for satisfying resource mapping, environmental surveying, disaster monitoring, city planning and national security needs. Ziyuan 1-02C was the third satellite in the CBERS-2 series, but was developed as a Chinese only project with no Brazilian participation. DOI 10.3390/rs9040333, LCC Subject Category: 2017;9(4):333 ZY-3 satellite is the first high-precision Stereo-mapping satellite for civilian purposes in China, which was launched in 9 Jun 2012.

In our study, an object-oriented landslide mapping (OOLM) framework was proposed for reliable and accurate LM from ‘ZY-3’ high spatial resolution (HSR) satellite images.

In this study, a novel method was proposed for automated extraction of BUA at the global scale, by fusing a series of building features.

As the only unit for receiving the ZY3 satellite’s data, CEODE implemented key technology research and trials with unremitting efforts. application form. sustainable funding). These cameras are able to take photos of the Earth from different perspectives at the same time, allowing precise determination of the exact locations of different places of interest on the photos, resulting in better production of large scale maps. Mass at launch: 2636 kg Dry mass: Power: Data access link: no link provided Data access information: Data distributed by NASG.

It carries three high-resolution panchromatic cameras and an infrared multispectral scanner (IRMSS). Specifically, two planar features, the Morphological Building Index (MBI) and Harris corner detector, were employed to characterize the structure and corner attributes of buildings. The ZY3 satellite is the most demandingin terms of data processing. Moreover, two multi-angular built-up indices (MABIs), i.e., Ratio Multi-angular Built-up Index (RMABI) and Normalized Difference Multi-angular Built-up Index (NDMABI), were proposed to represent the vertical properties of buildings based on multi-view images, which can further complement the planar features.

We use cookies to help provide and enhance our service and tailor content and ads. Copyright © 2020 Elsevier B.V. or its licensors or contributors. The ZY-3 (Ziyuan-3, 'Resource-3') series represents China's first high resolution, stereoscopic mapping satellites for civilian use.. The ZY3 stereo mapping satellite constellation is composed of two satellites, i.e., ZY3-01 and ZY3-02, which were launched on 9th January 2012, and 30 May 2016, respectively (Tang et al., 2013, Tang et al., 2015). The results showed that: (1) the feature selection (FS) method had a positive influence on effective landslide mapping; (2) by dividing the data into two sets, training sets which consisted of 20% of the landslide objects (OLS) and non-landslide objects (ONLS), and test sets which consisted of the remaining 80% of the OLS and ONLS, the selected feature subsets were combined for training to obtain an overall classification accuracy of 93.3% ± 0.12% of the test sets; (3) four MM operations based on closing and opening were used to improve the performance of the RF classification.

(Institute of Geophysics and Geomatics, China University of Geosciences, Wuhan 430074, China), Time From Submission to Publication: 11 weeks, Abstract On 11 January, CEODE’s Miyun Ground Station successfully received the first track of satellite imaging data from the ZY3 satellite and implemented real-time recording and large capacity optical data transmission. ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. Automatic extraction of built-up area from ZY3 multi-view satellite imagery: Analysis of 45 global cities. The cameras are positioned at the front-viewing, vertical-viewing and rear-viewing positions. Miyun Station’s successful completion of a link test between the satellite and ground, receiving high bitrate spot beam signals, verified the technical status of the ground receiving system and laid a solid foundation for receiving the ZY3 satellite’s real-time image data. The area near the Three Gorges Reservoir (TGR) along the Yangtze River in China is one of the most landslide-prone regions in the world, and the area has suffered widespread and significant landslide events in recent years. In this study, a novel method was proposed for automated extraction of BUA at the global scale, by fusing a series of building features. The successful data reception from the ZY3 satellite provided a guarantee for applications in follow-up surveying and mapping of high-resolution satellite data in China.

Ziyuan-3 is the designation for China’s third generation of civilian high-resolution Earth Observation Satellites under operation by the Ministry of Land and Resources. Landslide mapping (LM) has recently become an important research topic in remote sensing and geohazards. CEODE Director-General GUO Huadong extended warm congratulations to the related staff and technicians.

The framework was based on random forests (RF) and mathematical morphology (MM). ZY-3 takes 5 days to revisit the same site.


The overall objective is to compile a database for the production of 1:50000 and larger scale maps and to provide data for resource mapping, environmental surveying, disaster monitoring, city planning and national security needs. End to 22 Mar 2015 the satellite had produced more than 822730 images, include 212386 Multi-Spectral images, the multi-spectral data is more than 133TB.

A total group of 124 features and 24 landslides were used as inputs to determine the landslide boundaries and evaluate the landslide classification accuracy. Orbit: Sunsynchronous orbit: Altitude: 506 km ECT (Institute of Geophysics and Geomatics, China University of Geosciences, Wuhan 430074, China) https://doi.org/10.1016/j.rse.2019.03.033. By continuing you agree to the use of cookies. Agreement NNX16AC86A, Sensors, Systems, and Next-Generation Satellites XIX, Is ADS down? The Multi-Spectral Camera mounted on the satellite can acquire 4 multi-spectral bands. The ZY3 satellite fills the gaps in China's civilian mapping satellites and serves as a milestone in enhancing China’s independent access to high-resolution geospatial information and resolving the strategic shortage of fundamental geographic information resources. The Chinese Academy of Sciences, National Development and Reform Commission, Administration of Science, Technology and Industry for National Defence, and CAS Members TONG Qingxi and WU Yirong sent their congratulations as well. John C. Trinder

Astrophysical Observatory.

This website uses cookies to ensure you get the best experience. (Surveying and Geospatial Engineering, School of Civil and Environmental Engineering, The University of New South Wales, Sydney, NSW 2052, Australia)

In particular, addition of the MABIs can further reduce the omission errors where medium/high rise buildings with low local contrast exist. Notice, Smithsonian Terms of Specifically, two planar features, the Morphological Building Index (MBI) and Harris corner detector, were employed to characterize the structure and corner attributes of buildings. The ZY3 satellite is the most demandingin terms of data processing. The ZY3 satellite fills the gaps in China's civilian mapping satellites and serves as a milestone in enhancing China’s independent access to high-resolution geospatial information and resolving the strategic shortage of fundamental geographic information resources. © 2019 Elsevier Inc. All rights reserved. With multiple high-resolution satellite constellations now available (e.g., ZiYuan-3 (ZY3), SPOT-5/6/7, Cartosat-1/2, and WorldView-2/3), identifying the global BUA explicitly from the complex landscapes becomes possible. The 2 CCD c... GF-2.

Satellite Launch site Carrier Monitoring And control Ground Application The first civilian high-resolution optical stereo mapping satellite objectives: mainly used for 1:50,000 terrain mapping and 1:25,000 map update others: remote sensing and environmental applications Satellite-ZY3 System Satellite-ZY3 Launched in January 2012, ZY-3 is a optically transmissible satellite for civil u... HJ-1A&1B. The satellite is China's first operational civilian remote-sensing satellite, specifically designed for the Chinese Ministry of Land and Resources (MLR). Existing global datasets of human settlement were mostly generated at medium and coarse spatial resolutions, including BUA and other impervious surfaces. © 2019 Elsevier Inc. All rights reserved. It carries three high-resolution panchromatic cameras and an infrared multispectral scanner (IRMSS). Copyright © 2019 SpaceWill Info. RF was first applied as an object feature information reduction tool to identify the significant features for describing landslides, and it was then combined with MM to map the landslides. Launched in January 2012, ZY-3 is the first civil high-resolution stereoscopic Earth mapping satellite of China. Science, Tao Chen The ZY-3 (Zi-Yuan 3) satellite was designed and constructed by CAST/BISSE (China's Academy of Space Technology)/Beijing Institute of Spacecraft System Engineering) for the Chinese Ministry of Land and Resources (MLR), using a modified ZY-2 platform.

Remote Sensing. Substantial contribution to disaster monitoring. A novel method for automatic built-up area extraction with ZiYuan-3 multi-view images.

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