基于龍芯和RTEMS的嵌入式圖像處理平臺的設計與實現(xiàn)
[Abstract]:In recent years, embedded system is developing rapidly and widely used, which plays a more and more important role in science and technology and life. Accordingly, embedded image processing has made great progress in aerospace, intelligent machinery and other fields. With the rapid development of microprocessor technology, there are more and more development boards with operating system. However, the research of image processing platform based on this is still in a relatively short stage. In view of the above problems, this paper combines the related technologies of image processing and embedded system development, using more mature embedded development board and embedded operating system as the basis, according to its characteristics, An image processing platform based on embedded operating system is designed and implemented. The platform aims to build a usable embedded platform that can complete a series of image processing functions and provide these functions to subsequent developers in the form of interfaces. In order to support the further development of the upper software interface, this paper firstly carries out the transplantation of RTEMS on Longson 1B, which is mainly reflected in the implementation of board support package. Then, this paper implements the functional interface of the platform. The image processing module interface provided by the platform mainly includes four parts: single frame picture acquisition, picture processing, picture access and picture transmission. Image processing refers to the grayscale, scaling, denoising and other operations of the picture. In this function, some image processing schemes are adapted to the embedded platform in order to adapt them to the embedded platform. Finally, a representative scene of traffic sign recognition is selected to test and apply the platform. Based on the scene, the functional interface of the platform is selected and utilized, and a system routine is provided. The platform makes the process of embedded image application development easy, shortens the development cycle, and improves user friendliness. The project has completed the development of embedded image processing platform based on RTEMS and Godson, which enriches the implementation of embedded image processing and provides a more effective embedded image processing method.
【學位授予單位】:北京郵電大學
【學位級別】:碩士
【學位授予年份】:2016
【分類號】:TP391.41;TP368.1
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