Photographed image storage control unit, photographed image storage control method, photographed image storage control program, and storage medium stored with the photographed image storage control program

A photographed image storage control method, comprising:

• a movement quantity calculation step of calculating by a movement quantity calculation means an image movement quantity between a new frame and a previous frame, each including image data in frame units comprising a dynamic image photographed by a photographing means, based on difference in image data between the frames;
• and
• a storage control step of storing in a storage means by a storage control means either the image data of the new frame or image data of the previous frame as a time-lapse photographed image in the case where the image movement quantity calculated by the movement quantity calculation means has changed from being equal to or greater than a predetermined value to being less than the predetermined value

A photographed image storage control program executable by a computer, wherein said photographed image storage control program functions as

• a movement quantity calculation means for calculating an image movement quantity between a new frame and a previous frame, each including image data in frame units comprising a dynamic image photographed by a photographing means, based on difference in image data between the frames;
• and
• a storage control means for storing in a storage means either the image data of the new frame or image data of the previous frame as a time-lapse photographed image in the case where the image movement quantity calculated by the movement quantity calculation means has changed from being equal to or greater than a predetermined value to being less than the predetermined value.