Figures index

From

Illumination-Invariant Face Recognition in Hyperspectral Images

Han Wang, Glenn Healey

Journal of Computer Sciences and Applications. 2019, 7(1), 21-30 doi:10.12691/jcsa-7-1-4
  • Figure 1. 2D Gabor filter in the spatial and frequency domain
  • Figure 2. Modtran irradiance functions
  • Figure 3. The four tissue samples and their radiance
  • Figure 4. Original, normalized, and retinex images
  • Figure 5. Phase images obtained using the Gabor filters
  • Figure 6. Original database reflectance images
  • Figure 7. Original, synthesized and model images
  • Figure 8. Gallery and probe images used in the experiment
  • Figure 9. Spectral sample from nose
  • Figure 10. Cumulative match scores for five illumination conditions
  • Figure 11. Cumulative match scores for four illumination conditions
  • Figure 12. Distance images obtained by the SQI method
  • Figure 13. Distance images obtained by the Gabor phase method
  • Figure 14. Distance images obtained by the Gabor phase method
  • Figure 15. Spectral feature distances
  • Figure 16. Spectral feature distances
  • Figure 17. Distance images obtained by the Gabor phase method