Research Article
A Comparative Study of Human Thermal Face Recognition Based on Haar Wavelet Transform and Local Binary Pattern
Table 1
Wavelength ranges for different infrared spectrums.
| Spectrum | Wavelength range |
| Visible spectrum | 0.4–0.7 μm (micrometer/micron) | Near infrared (NIR) | 0.7–1.0 μm (micrometer/micron) | Short-wave infrared (SWIR) | 1–3 μm (micrometer/micron) | Mid-wave infrared (MWIR) | 3–5 μm (micrometer/micron) | Thermal infrared (TIR) | 8–14 μm (micrometer/micron) |
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