Fig. 1. Infrared spectral characteristics of mist particles at typical particle diameters

Fig. 2. Extinction coefficient of mist particles varying with wavelength and particle diameters

Fig. 3. Direct spectral transmittance of mist field under different mist particle diameters

Fig. 4. Schematic presentation of the three-channel infrared temperature retrieval system

Fig. 5. Schematic presentation of the three channels of the infrared temperature retrieval system

Fig. 6. Calibration curves of the three-channel infrared temperature retrieval system

Fig. 7. Schematic illustration of the near-field radiative transfer model of the high-temperature target under diffusive mist condition

Fig. 8. Calculation process of the retrieval coefficient using statistical regression method

Fig. 9. Image of the experimental verification device of the temperature retrieval system

Fig. 10. Visible and mid-wave infrared images of the high-temperature targets before (a) and after (b, c) the appearance of diffusive mist field

Fig. 11. Infrared images at three designed channels before (a) and after (b) the appearance of diffusive mist field

Fig. 12. The brightness temperature data of the high-temperature blackbody under random mist conditions

Fig. 13. The corresponding retrieved temperature data of the high-temperature blackbody (a) and the high-temperature graybody (b) under random mist conditions