Data detection device and a data detection method

The data detection device 1, the illumination unit 3 that the detection part of a living body surface by applying illumination light shading, an image pickup unit 7 for capturing a moving image of the detection part of a living body surface, moving image shot by the image pickup unit 7 It analyzes in the data processing unit 9 for detecting a motion of the living body by analyzing the change in the shade of the state, the provision.