= Fiducial marker
{wiki=Fiducial_marker}
A fiducial marker is a reference point or object used in various fields, including computer vision, robotics, biomedical imaging, and augmented reality, to provide a known position or orientation. These markers help in precise measurement, alignment, and tracking. Fiducial markers typically have distinct patterns or shapes that can be easily recognized by cameras or sensors. Common examples include: 1. **Circular or square markers**: These might have a specific black-and-white pattern or QR code.
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