Research on generic optical remote sensing products: a review of scientific exploration, technology research and engineering application

With the initial establishment of global earth observation system in various countries, more and more high-resolution remote sensing data of multi-source, multi-temporal, multi-scale and different types of satellites are obtained. It is urgent to explore the advanced basic theory of remote sensing information science, design high-performance generic key technologies of remote sensing information system and global positioning system, and study complex engineering system of remote sensing applications and geographic information system. In this paper, the basic theory exploration, inversion technology research, and engineering application design and development of generic Optical Remote Sensing Product (ORSP) are systematically reviewed. We classify the ORSP scientifically, review the main algorithms and application scope of 16 kinds of generic ORSP, and expound the validation and quality evaluation methods of ORSP in engineering application. Furthermore, we analyze the current core problems and solutions, and prospects for state-of-the art research and the future development trend of generic ORSP. This will provide valuable reference for scientific research and construction of high-resolution earth observation system.