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Radiometric Corrections with FieldAgent

Radiometric Correction are performed in FieldAgent when an image set with Calibration Photos is processed into an orthomosaic.

Requirements

  • FieldAgent Subscription

  • Calibration photo file names begin with CAL_

Renaming Calibration Photos

This step is only required for 3rd party sensors, such as the Mavic 3 Multispectral. Calibration photos from Sentera Sensors are correctly named at the time of capture.

FieldAgent requires calibration photo names to begin with CAL_ to be recognized and used for radiometric calibration.

How to Rename Calibration Photos
1

Open your session folder in a file explorer.

If you have multiple folders for calibration imagery and flight imagery, open your calibration imagery folder.

2

Rename Files

Rename each calibration photo to begin with CAL_

FieldAgent Desktop

Radiometric Corrections are performed in FieldAgent Desktop when you import an image set with Calibration Photos and order a mosaic.

1

Select Create Surveys

2

Import Imagery

Click to browse your file explorer.

3

Select Image Folder

if you have separate folders for your calibration photos and flight imagery, select a folder which contains both subfolders.

Ensure that all your imagery is contained within the folder you select.

4

Verify Calibration Photos

Click on the survey, on the left side of the screen, to view image types included in the survey

Under survey details you can see the number of RGB, Multispectral, and Calibration Panel Images included in the survey.

5

Import

Select Create Import and wait for your images to upload

6

Process Imagery

Select Analytics

Select your Mosaic analytic

Click Submit

Your Imagery will now calibrate and stitch.

FieldAgent Web

Radiometric Corrections are performed in FieldAgent Web when you import an image set with Calibration Photos and order a mosaic.

1

Select your Field

Navigate to the field you have Imagery for.

2

Import Imagery

Select Import Imagery

3

Select Images

Drag and drop your image folder to easily select your images.

Alternatively, click on the "Add JPEG or TIFF photos" area to browse your file explorer and select photo files. You cannot select folders from the file explorer.

Ensure that you upload all flight imagery and calibration photos. You can continue to add folders and images before clicking upload.

4

Upload

Verify that you have the expected number of images, then click upload.

Wait for your images to upload.

5

Process Imagery

Click the back arrow by the field name to return to the field page

Click Order Mosaics

Select your survey.

Select your analytics and click submit

Your imagery will now calibrate and stitch

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