An optical space transmission device includes: a transmission device including a first light emission unit having a light source for emitting an optical signal; and a reception device including an XY address type image sensor having a pixel domain formed by a plurality of pixels and receiving an optical signal in the pixel domain, a classification unit for creating classification information for classifying pixels to which an optical signal is applied, into pixel groups, and a control unit for controlling the XY address-type image sensor according to the classification information and simultaneously reading out signals of pixels belonging to a pixel group.
OPTICAL SPACE TRANSMISSION DEVICE USING IMAGE SENSOR