Abstract
Since the twenty-first century, with the rapid development of high-resolution earth observation satellites, the earth observation satellite system has developed from the initial single satellite observation model to the current satellite constellation formed by light and small satellites observation model. All-weather and all-directional fine earth observation can now be realized. In the future, the satellite constellation, communication satellites, navigation satellites, and aircrafts are linked through dynamic linking network to form an air-space information network to realize real-time services of intelligent air-space information. To further enhance the perception, cognition, and quick response ability of the network, we propose the concept and model of the Earth Observation Brain (EOB) − the intelligent earth system based on events perception in this paper. Then, some key technologies needed to be solved in the EOB are also described. An application example is illustrated to show the process of perception and cognition in the primary stage of the EOB. In the future, EOB can observe what change of what object, the when and where to push these right information to mobile terminal of right people at the right time and right place. Global users can obtain any data, information, and knowledge in real-time through the EOB.
Highlights
In 1957, the Soviet Union launched the world’s first manmade earth satellite, “Sputnik 1,” officially opened the human “sky age.” This changed the history of human beings, in that up to this time, mankind could only observe the earth’s surface from the ground or air for thousands of years
After more than 10 years of rapid development of high-resolution remote sensing satellites, the earth observation satellite system has been developed from the initial single satellite observation model to the current satellite constellation formed by light and small satellites observation model
The earth observation system has a good ability of measurement, calibration, and data acquisition, but there is still a lack of perception and cognitive ability
Summary
In 1957, the Soviet Union launched the world’s first manmade earth satellite, “Sputnik 1,” officially opened the human “sky age.” This changed the history of human beings, in that up to this time, mankind could only observe the earth’s surface from the ground or air for thousands of years. In 1957, the Soviet Union launched the world’s first manmade earth satellite, “Sputnik 1,” officially opened the human “sky age.” This changed the history of human beings, in that up to this time, mankind could only observe the earth’s surface from the ground or air for thousands of years. A variety of spatial information that human beings need can be obtained by optical and radar remote sensing satellites (Teillet et al 2002; Loiacono, Germain, and Smith 2004) These satellites are collectively referred to as earth observation satellites. In 1999, the successful launch of the first commercial high-resolution remote sensing satellite, IKONOS (US Space Imaging company with I meter spatial resolution) opened a new era of commercial high-resolution remote sensing satellite (Li 2001; Goward et al 2003). The air-space information network has similarities with intelligent perception, and the cognitive ability of the brain to form the Earth Observation Brain (EOB)
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