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eolab:thermal:start

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eolab:thermal:start [2025/10/14 14:39] – moritzeolab:thermal:start [2025/11/25 13:40] (current) – moritz
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   * Prior to + after flight measure targets with handheld thermometer. Or place thermocouples + logger under panels!?   * Prior to + after flight measure targets with handheld thermometer. Or place thermocouples + logger under panels!?
   * 30x30 cm ?   * 30x30 cm ?
 +  * Unknown emissivity measurement:
 +    * [[https://www.calex.co.uk/find-correct-emissivity-setting-infrared-temperature-sensor/]]
  
   *** High-emissivity**    *** High-emissivity** 
Line 25: Line 27:
 ==== IR Termometers ==== ==== IR Termometers ====
      * [[https://www.conrad.com/en/p/fluke-566-ir-thermometer-display-thermometer-30-1-40-650-c-contact-measurement-122370.html]]      * [[https://www.conrad.com/en/p/fluke-566-ir-thermometer-display-thermometer-30-1-40-650-c-contact-measurement-122370.html]]
 +     * [[https://www.voelkner.de/products/542871/Fluke-568EX-Infrarot-Thermometer-Optik-501-40-800C-Kontaktmessung.html]]
 +     * [[https://www.reichelt.de/de/de/shop/produkt/infrarot-thermometer_568_ir_und_kontakt_-40_bis_800_c-110173]]
  
      * **Calibration:**      * **Calibration:**
Line 38: Line 42:
   * WUR :!: Calibration + Processing   * WUR :!: Calibration + Processing
      * [[https://www.sciencedirect.com/science/article/pii/S1569843224005405]]      * [[https://www.sciencedirect.com/science/article/pii/S1569843224005405]]
 +   * [[https://www.sciencedirect.com/science/article/pii/S1569843224005405]]
 +   * [[https://www.mdpi.com/2072-4292/17/15/2746]]
 +   * DJI Thermal Format Conversion
 +     * [[https://www.mdpi.com/1424-8220/24/19/6267]]
 +   * [[https://www.sciencedirect.com/science/article/abs/pii/S1350449523001998]]
 +
 +==== Software / Code ====
 +
 +  * [[https://github.com/DanGeospatial/dji_m3t_rpeg_to_tif/]]
 +  * [[https://www.dji.com/de/downloads/softwares/dji-dtat3]]
 +  * [[https://www.dji.com/de/downloads/softwares/dji-thermal-sdk]]
 +  * [[https://github.com/SanNianYiSi/thermal_parser]]
 +  * [[https://docs.webodm.net/how-to/process-thermal-images/]]
 +  * [[https://webodm.net/thermaltools]]
  
 ==== 💡 IDEAS ==== ==== 💡 IDEAS ====
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   * Thermocouple on a clamp    * Thermocouple on a clamp 
   * Use thermocouple of IR-Thermometer    * Use thermocouple of IR-Thermometer 
 +  * 3D-Printed clamp: [[https://www.printables.com/model/974751-clamp-print-in-place]]
 {{:eolab:thermal:phyto-sensor-lt-1m-leaf-temperature-sensor-web.jpg?nolink&400|}} {{:eolab:thermal:phyto-sensor-lt-1m-leaf-temperature-sensor-web.jpg?nolink&400|}}
  
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    *** Post-Flight Processing**    *** Post-Flight Processing**
      * Extract target pixel temperatures.      * Extract target pixel temperatures.
-     * Compute correction $ Ttrue​ = a * Tdrone ​+ b $ using measured vs observed target temps. 
      * Apply correction to thermal mosaic.      * Apply correction to thermal mosaic.
      * Validate canopy temps vs spot measurements.       * Validate canopy temps vs spot measurements. 
eolab/thermal/start.1760445558.txt.gz · Last modified: 2025/10/14 14:39 by moritz