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Application Of Hierarchical Architecture To A Modular System Of Industrial Vision

Today, in industrial environment, there is an increasing requirement of vision systems. Of course, some big systems exist, but they are often too expensive in relation to the aimed applications. The described system forms a low cost and well fitted solution, with great adaptability. This system has a modular architecture. The basic elements are image digitization module, specific processor module, microprocessor-based module. The system architecture can be easily redefined for each application by judiciously assembling the basic modules. The whole system appears like a net of interconnected processors, exchanging informations. The internal organization gives the hierarchy between processors and defines "master" and "slave" processors. Interconnection and number of processors depend on the application, expected preformances, computation complexity, number of cameras, and so on. The system modularity makes it very adaptative to many applications. Its realization with recent technology and popular microprocessors breaks costs down.