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RED WAYPOINT
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<blockquote data-quote="Artob" data-source="post: 58894" data-attributes="member: 6885"><p>I've done photogrammetry with red waypoint and done lots of photogrammetry using larger quad as well.</p><p>I've never used nor trust the recorded gps of the photo taken, on my investiagation, there's delay when the position recorded for trigger the camera until the actual photo taken that makes the accuracy is not good.</p><p>In my experience, using ground control point (put a 4-5 mark which we can pick up the coordinate a lot better) can have much better accuracy. On many of my cases, the accuracy is up to 25 cm horizontally when compared to terrestrial survey.</p></blockquote><p></p>
[QUOTE="Artob, post: 58894, member: 6885"] I've done photogrammetry with red waypoint and done lots of photogrammetry using larger quad as well. I've never used nor trust the recorded gps of the photo taken, on my investiagation, there's delay when the position recorded for trigger the camera until the actual photo taken that makes the accuracy is not good. In my experience, using ground control point (put a 4-5 mark which we can pick up the coordinate a lot better) can have much better accuracy. On many of my cases, the accuracy is up to 25 cm horizontally when compared to terrestrial survey. [/QUOTE]
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RED WAYPOINT