BIOLOGICAL INFORMATION DETECTION APPARATUS THAT INCLUDES A LIGHT SOURCE PROJECTING A NEAR-INFRARED PATTERN ONTO AN OBJECT AND AN IMAGING SYSTEM INCLUDING FIRST PHOTODETECTOR CELLS DETECTING NEAR-INFRARED WAVELENGTH LIGHT AND SECOND PHOTODETECTOR CELLS DETECTING VISIBLE WAVELENGTH LIGHT
A biological information detection apparatus includes: a light source which projects a pattern of near-infrared light onto an object including a living body an imaging system which includes first photodetector cells detecting light in a near-infrared wavelength range and second photodetector cells detecting light in a visible wavelength range, and generates a first image signal representing a first image, which is an image taken in the near-infrared wavelength range, of the object on which the pattern is projected, and a second image signal representing a second image of the object taken in the visible wavelength range and a calculator which calculates biological information concerning the living body using at least one selected from the group consisting of the first and second image signals.