Topics

1

General / Camera Substract -45m in Altitude

« on: February 01, 2024, 04:19:18 PM »

Hey,

I need to substract a value of -45m from camera altitude in Agisoft.

By tried to use the "convert reference" function  WGS 84 to ETRS89 (see screenshot) and substract the value, but the end values does not fit (see below).
Normally for example 186.65-45 = 141.65

See Example 1/ Result 1 by -45
-> From 186.65 to 222.70 =  ADD 36,05. WHY?!

See Example 2/Result 2 by +45
-> From 186.65 to 150.60 =  Subtract 36,05. WHY?!

How to substract a value of -45m in altitude of all cameras?

Best wishes and thanks,
Norman

2

General / Micasense processing

« on: December 03, 2020, 07:57:28 PM »

Dear all,

I used the tutorial of "MicaSense RedEdge MX processing workflow (including Reflectance Calibration) in Agisoft Metashape Professional 1.5 : Helpdesk Portal"
https://agisoft.freshdesk.com/support/solutions/articles/31000148780-micasense-rededge-mx-processing-workflow-including-reflectance-calibration-in-agisoft-metashape-pro

Short question, beside the reflectance calibration, is also the exposure time, lens vignette effect, sensor gain and black level values corrected during the process?
Like Micasense suggested it?

Best wishes and thanks in advance,
Norman

3

Camera Calibration / MicaSense RedEdge processing to reflectance values without success

« on: May 29, 2019, 05:37:26 PM »

Dear all,

I tried to use the following tutorial to process MicaSense sensor data in Agisoft Metashape.

https://agisoft.freshdesk.com/support/solutions/articles/31000148780-micasense-rededge-mx-processing-workflow-including-reflectance-calibration-in-agisoft-metashape-pro

Regrettably the values in the orthomosaic are DN values and not reflectance values. I spend now hours to find a solution, without any success.
Also Appendix C (Controlling reflectance calculation) is fulfilled, the “Normalize band sensitivity” option is checked on.

Does anyone knows a solution for this problem?

Best wishes,
Norman Wilke