From the MicroSD card on the Double4k Sensor open the "Config.yml" file using Notepad or Notepad ++ and scroll down to the "TriggerConfig:" settings.  Under these settings change the "OverlapPercent" from 30 to 70 for Stitching or from 70 to 30 for QuickTile.  Save the file back to the MicroSD card and either place it back in the sensor or disconnect from the network connection to the card.