Two image-subtraction systems from output images that show differences between input images of two objects. First: differences appear as bright regions in otherwise dark output image. Second: differences and similarities shown by colors. All parts of two images processed simultaneously by optical components only; digital electronic processing of data not required. Concept offers potential for rapid, inexpensive comparison of images in such applications as automatic inspection, medical diagnosis, and robotic vision.


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    Title :

    Liquid-Crystal-Television Image Subtracters


    Contributors:

    Published in:

    Publication date :

    1988-11-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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