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Related Experiment Videos

A versatile colour stimulus generator

J E Wittebrood, M G Wansink, C M de Weert

    Perception
    |January 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    This study introduces an affordable color picture generation system using a microprocessor, color TV monitor, and video memories. The innovative design allows for dynamic color changes and figure generation, enabling versatile display applications.

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    Area of Science:

    • Computer Graphics
    • Digital Imaging
    • Display Technology

    Background:

    • Traditional color display systems can be expensive and complex.
    • There is a need for cost-effective solutions for generating dynamic color images.

    Purpose of the Study:

    • To describe an inexpensive system for generating color pictures.
    • To highlight the system's unique approach to color and image generation.

    Main Methods:

    • Utilized a microprocessor, a color television monitor (with Red, Green, Blue inputs), and multiple video memories.
    • Implemented a novel combination of video memories, color registers, and high-speed digital-to-analog converters.

    Main Results:

    • The system can display any figure with up to eight simultaneous colors.

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  • Figures can be generated interactively (point-by-point) or computationally.
  • Continuous color modification is possible with 256 values per Red, Green, and Blue channel.

    • Conclusions:

    • The described apparatus offers a low-cost method for color image generation.
    • The system's flexibility in color and figure generation supports diverse applications.