exemplary embodiment of a sign language recognition system 1 includes a depth sensing camera 10 a storage unit 12 a processing unit 15 a first output unit 16 and a second output unit 18 in the embodiment the first output unit 16 is a screen and the second output unit 18 is a speaker or an earphone hereinafter the term signer is used for the person who uses sign language to communicate in the embodiment the depth sensing camera 10 is a time of flight tof camera the tof camera captures an image of the gesture of a signer in the line of sight of the tof camera and gathers data as to the distance s between a plurality of points on the signer and the tof camera which is called distance data hereinafter the processing unit 15 and the storage unit 12 process the images and the distance data obtained by the depth sensing camera 10 for obtaining signs from the gestures of the signer the tof camera is a camera system that creates distance data between a plurality of points and the tof camera when the tof camera shoots a scene in the line of sight of the tof camera.