Lab 3 Ground Control Point - Advanced Photogrammetry (GLS615)

Ground control points are used in conjunction with GPS data collected during the flight to increase the accuracy of the area being surveyed. By creating visible attributes within the area being flown and knowing an accurate GPS coordinate on these attributes, aerial photography is able to take this information and create a survey grade map. A great example of how much time and money can be saved by using photogrammetry and GCP’s as a replacement for standard surveying techniques. GCP's are a great way to increase the accuracy of any map that uses aerial captured images.

Post-marked control uses points of natural detail or physical markings on the image emulsion (Aerotriangulation). Such points are visible on the photograph and can be uniquely and unambiguously defined. The point selection is made on the basis of the type of point, that is 3D, horizontal or height.

My Report and Ground Control Point selection :

Lab 3 Ground Control Point (GLS615)

Lab 2 Flight Planning - Advanced Photogrammetry (GLS 615)

Good result of photogrammetric project depends on acquisition of good quality pictures. Due to weather and ground conditions, time frame for photography is limited. Because the redo of this type of survey surely expensive and causes long delays on project. This task must be carefully planned and executed according to flight plan. Consists of flight map and specifications. The design of aerial photography flight in order to obtain desired photos at a certain scale. Flight crew should be able to interpret weather conditions and make sound decisions on whether to fly or not.

Software Used : 

AutoCAD 2007

My Report and calculation :

Lab 2 Flight Planning (GLS615)