An information processing device is connected to an overview image capturing device that captures an overview image of an object and an enlarged image capturing device that captures an enlarged image of the object, and is connected to a remote control device that remote-controls at least the enlarged image capturing device. The information processing device includes: an encoding unit that encodes the overview image and the enlarged image; a transmitting unit that transmits the images encoded by the encoding unit to the remote control device; and a switching unit that switches an encoding method to be utilized by the encoding unit and a transmission method to be utilized by the transmitting unit among a first mode, a second mode, and a third mode. When there is not a continuous change in the overview image captured by the overview image capturing device, the overview image is transmitted in the first mode. When there is a continuous change in the overview image, the overview image is transmitted in the second mode. The enlarged image captured by the enlarged image capturing device is transmitted in the third mode.