The present invention relates to a method, system and non-transitory computer-readable recording medium for determining a region of interest for photographing ball images. According to one aspect of the invention, there is provided a method for determining a region of interest for photographing ball images, comprising the steps of: recognizing a location of a ball whose physical quantity is to be measured, in a state in which shot preparation is completed; and dynamically determining a region of interest to be photographed to acquire images including an appearance of the ball, with reference to the location of the ball and at least one of a predicted moving direction of the ball and a location of at least one camera configured to photograph the ball.