| 摘要 |
A viewing system is disclosed, comprising: a detector of electromagnetic radiation (EMR); and a control system connected to receive signals from the detector, and configured to identify an image locator, disposed within a field of view of the detector in use, and select for detection by the detector the image locator or an image located by the image locator. A viewing method is disclosed comprising: detecting electromagnetic radiation from an image locator disposed within a field of view of a detector; identifying the image locator with a control system; and displaying the image locator or an image located by the image locator on one or more displays.
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