Satellite-borne image processor and processing method for remote sensing image target characteristic recognition

Abstract

The invention discloses a satellite-borne image processor for remote sensing image target characteristic recognition. The satellite-borne image processor comprises a first image processing unit, an interface module and a power conversion module, the first image processing unit comprises an operation module and a storage module; the storage module is used for storing real-time remote sensing imagedata and base map data of the to-be-detected area; the operation module comprises an FPGA module and a DSP module which are electrically connected with the storage module. The FPGA module is communicated with the DSP module through an EMIF bus. The FPGA module is used for receiving and outputting real-time remote sensing image data of a to-be-detected area; and the DSP module is used for carryingout target detection, feature extraction and positioning calculation on the remote sensing image data output by the FPGA module. The method has the characteristics of low power consumption and high detection efficiency, and can adapt to severe satellite environments.

Description

technical field [0001] The invention relates to the technical field of digital image processing, and more specifically relates to a space-borne image processor and a processing method for remote sensing image target feature recognition. Background technique [0002] Space exploration and utilization is an important activity of human beings. Among many technologies of space exploration and utilization, remote sensing technology is favored for its important value in a country's economic construction, homeland defense and scientific research. [0003] At present, the on-board real-time processing technology has been realized successively at home and abroad, but the realization of on-board real-time processing will encounter the trade-off problem between the special-purpose processing ability and the flexibility and versatility of the processing equipment. As we all know, dedicated chips are customized for a single dedicated function, with strong processing capabilities and high...

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Problems solved by technology

Since the ship detection algorithm process is relatively complicated, when it is implemented on an embedded hardware platform, it needs to consume a large amount of storage and computing units, which puts forward higher requirements for the hardware platform.

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