A high-speed image processing system has been developed. The system can execute a wide variety of general image processing operations and achieves high total image processing speed from image input through result output.
The system contains two types of processor. The first is the PU array, processor unit array, which is the most significant feature of this system. The array is an LSI pipelined processor and contains sixteen processor units. Compared with previous pipeline processors, the PU array executes highly flexible preprocessing and feature extraction. By writing the desired instructions to each unit and setting the appropriate bus connections among processor units and image memories, a flexible pipeline processor network can be configured. The second type is a microprogrammable main processor that is used to both control the PU array and execute complicated processing tasks which the PU array cannot perform. The main processor is specifically designed for image processing applications and therefore obtains higher speed than general purpose microprocessors.
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