Questions tagged [aerial-triangulation]

A process, used in photogrammetry, of creating geometrically correct models based on points simultaneously observed in overlapping air photos.

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Acquire ground coordinates of target while doing aerial survey (airplane or helicopter)

The Problem: Each year I board a small airplane and look for diseased individual trees while flying transects over the forest I help manage. The current method for marking a tree's location is ...
jholmes's user avatar
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Trigonometry and calculating the elevation angle from aerial photography

I was wondering whether anybody could advise me on a way to calculate the elevation angle from a camera to an object in an aerial photograph taken from a known elevation with no suitable reference ...
JinfengArsene's user avatar
4 votes
2 answers

Performing aerial triangulation on scanned aerial photos without having surveyed ground control points (GCPs)?

I have a set of 1200 historical aerial photos covering North Carolina outer banks area from 1974, 1984 and 1992. I need to georeference them and produce seamless color balanced dataset that will be ...
Ann K's user avatar
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Does height difference between beacons results in a more accurate 3D position localisation?

I'm kinda fresh on the trilateration/triangulation topic. If you place 4 beacons in each corner of a room at the same height or if you place them on different heights relative to each other will ...
user3488736's user avatar
18 votes
9 answers

Drone aerial imagery to QGIS

I used Phantom DJI Standard 3 drone for some aerial photos of an archaeological site. When I viewed the properties of the jpeg file, it contained Longitude (like this: 22; 14; 37.701258239) and ...
escplat12's user avatar
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How to do Aerial Triangulation from raw aerials?

I have received 1390 raw aerial images. For the purpose of understanding I have imported 4 images and here you will see that roads are not lining up. When I spoke to the creator of these aerials, he ...
accedesoft's user avatar
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Software for image orientation (aerial triangulation)

I'm trying find a software which can orient an UAV Imagery using GCPs (Ground control points in UTM Coordinates system) and Camera calibration (only camera focal length, p1,p2, k0, k1, k2, k3 and ...
788498's user avatar
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2 votes
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Star Markers - unable to get tie points in Inpho Match-AT

What do the star markers mean in Trimble's Inpho Match-AT software, specifically in the multi-photo measurement feature? I have been unable to generate tie points in an aerial triangulation in photos ...
Wes's user avatar
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