MAPIR camera calibration kit V2
approximately 4-5 working days
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Availability date: 0000-00-00
For the further processing of the captured images for orthophotos, 3D and, in particular, NDVI/ENDVI evaluations, for the purpose of indexing the calibration of the camera is recommended, depending on the purpose, condition for realistic results!
This package contains 4 ground targets with known reflectance curves. The target material consists of a felt-like Material that is attached to a plastic substrate. Thanks to a similar Total and diffuse reflection properties, it can be used with your camera, from any angle.
To use this target, make them prior to every flight, a photo with each camera, wherein the targets to the top, no shadow) are directed (to be. With the MAPIR Camera Control (MCC) Software will be the index of the image pixel values are calibrated. This makes the analysis over a longer period of time or with different locations.
The Target Material used is similar to felt and must therefore be kept clean to function properly. The ground targets are taken from a height of 3 meters to 5 meters in hover.
Thanks to the diffuse properties of the target material you need to worry about where the camera is located, in order to achieve good results. The detection patterns (reference point) is also much lower in resolution, which facilitates the detection in the post-processing software. Even in images with high noise (typically in the near infrared range)!
Reflective measurements were carried out using several Shimadzu spectrophotometer, which contained an integrating sphere. With our Software, MAPIR Camera Control (MCC) allows you to select the most recently captured photo of this objective, the reference pattern is automatically detected, and the reflectance value of each objective is calculated and on each of your images. The resulting individual frames are calibrated and you can create your ortho mosaic in the Software of your choice. You can also calibrate the entire Ortho or groups of Orthos. With the "Viewer" tab in the MCC, you can calculate the Grid / index images (e.g. NDVI), and then your color map (lut).
Scope of delivery:
1x set of MAPIR camera calibration Set Version 2
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