Patent ID: 8355055

Claim:
A method for adjusting an image capture frequency in real-time by an image detection apparatus, which includes an image detection unit, a processing unit, and a memory unit, the steps of the method comprising: (a) receiving a plurality of frames consecutively; (b) setting a value for a counting variable; (c) selecting a testing frame from the plurality of frames; (d) comparing an image displacement between the testing frame and a frame previous to the testing frame, so as to obtain a motion reference signal associated with the image detection apparatus in the testing frame; (e) providing a plurality of adjustable values for a capturing frequency variable, in which either one of the plurality of adjustable values for the capturing frequency variable corresponds to the motion reference signal; (f) comparing the value of the counting variable to that of the capturing frequency variable associated with the motion reference signal; (g) capturing and recording the testing frame as a sampling frame when the value of the counting variable reaches the adjustable value of the capturing frequency variable; and (h) comparing an image displacement between the sampling frame and a previous sampling frame, so as to obtain an ultimate motion speed associated with the image detection apparatus in the sampling frame.