1. A method for performing facial recognition, the method comprising: receiving a target image from a camera sensitive to infrared light, the target image captured from a target that was illuminated by an infrared light source; receiving a color image, the color image comprising a color image of a subject; suppressing a blue component or a green component of a plurality of pixels in the color image to produce a color-suppressed image; and performing facial recognition on the target image and the color-suppressed image.