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Beyond the Visible: Near-IR vs. Thermal Imaging

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Imaging in the near-IR and thermal IR can offer advantages over purely visual imaging, but each region has its own benefits and requirements.

Jason Tsai, Edmund Industrial Optics

For some machine vision applications, you need to see more than what can be seen with the naked eye. Low-light or poor-contrast conditions may give cause to consider vision systems that image beyond the visible spectrum. Various types of data that cannot be detected by standard vision systems, such as heat emission and materials defects, can be obtained by imaging in the infrared. Extending into this part of the spectrum can offer a number of advantages, but each region of the infrared has its own benefits and requirements. Although the near-IR and thermal IR regions both lie within the...Read full article

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    Published: September 2004
    Glossary
    machine vision
    Machine vision, also known as computer vision or computer sight, refers to the technology that enables machines, typically computers, to interpret and understand visual information from the world, much like the human visual system. It involves the development and application of algorithms and systems that allow machines to acquire, process, analyze, and make decisions based on visual data. Key aspects of machine vision include: Image acquisition: Machine vision systems use various...
    Featuresheat emissionmachine visionmachine vision applicationsnear-IRthermal IRvision systems

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