Abstract
ZSA, an industrial image processing system is characterized by a modern parallel architecture for digital signal processing. Besides the use of standard video cameras the system is strongly intended to be used with one dimensional sensors like CCD line cameras, x-ray and infrared arrays. In the basic ZSA system the processing power is distributed among two processors, a programmable digital signal processor (DSP) for rapid processing of the incoming data and a 16 bit standard microprocessor which not only performs system management and communication but also can be used for signal processing of the preprocessed image data coming from the DSP. In order to increase the computing power for the handling of fast data streams special hardware preprocessor modules dramatically reduce the data rate so that the programmable units can operate in realtime. In a different approach increasing of computing power is achieved by parallel processing of a ZSA master board and three ZSA slaves where the standard microprocessor controls the results of the four DSPs. Additionally, combining several master/slave configurations to a master/slave cluster further increases the computing power.
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