Patent ID: 8908078

Claim:
A network camera system which displays on a terminal device a partial image cut off from a picked up image picked up by an image pickup apparatus, the system comprising: a processor and a memory; an image pickup unit configured to pick up an image; a detection sensor configured to detect a change in a second area of the picked up image; a display unit; a display control unit configured to control to display on the display unit a first partial image of a first area cut off from the picked up image; and a changing unit configured to change a cut-off area in the picked up image from the first area to the second area such that a second partial image of the second area is displayed, wherein the display control unit further controls to display a superimposed image superimposed within the first partial image, the superimposed image indicating that the change in the second area is detected by the detection sensor, and a direction of the superimposed image with respect to the center of the first partial image being a same direction as a direction of the second area with respect to the first area, wherein the superimposed image contains only image data of the second area.