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采用微型计算机构成的系统与以往采用固定布线逻辑设计的硬件系统相比,具有设计方便、灵活性强等突出优点。但是普通的廉价微型计算机用于实时图象处理有很大困难。本文提出并制作了用MEK6800D_2单板微机为主体的静态图象实时增强器和二维预测编码器实验装置。结果说明:在采取一定的措施后,单板机可以代替固定布线逻辑进行静态图象实时处理,并且容易实现自适应功能。本文叙述了这两种处理的原理、硬件组成和软件编制,以及为了使单板机用于实时图象处理,在处理方法和软件编制上所采取的一系列措施。最后,就静态图象实时处理中进一步应用单板机问题提出了一些想法。
Compared with the hardware system that uses the fixed wiring logic design in the past, the system composed of a microcomputer has the prominent advantages of convenient design, strong flexibility and the like. However, ordinary inexpensive microcomputers have great difficulties in real-time image processing. In this paper, a static image real-time enhancer and a two-dimensional predictive coder experimental device using MEK6800D_2 single board microcomputer as the main body are proposed and manufactured. The result shows that, after taking certain measures, the single-chip microcomputer can replace the fixed wiring logic to process the static image in real time, and it is easy to realize the adaptive function. This article describes the principles of these two processes, hardware components and software, as well as a series of measures taken in the processing methods and software to make the single-board computer for real-time image processing. Finally, some ideas are put forward on the further application of single-board computer in the real-time processing of still images.