Patent ID: 9053621
Filing Date: 2015-06-09
Classification: G08B

Abstract:
1. An image surveillance method suitable for an image surveillance system, the image surveillance method comprising: capturing an image; defining at least one reference target in the captured image; identifying a monitored object in the image; individually calculating a distance between the monitored object and each of the at least one reference target; and determining whether to announce at least one warning according to a relationship between at least one threshold and the distance, wherein the step of determining whether to announce the at least one warning according to the relationship between the at least one threshold and the distance comprises: calculating a function; and determining whether to announce the at least one warning according to a relationship between the at least one threshold and the function, wherein the function is D i is a distance from the monitored object to an i th reference target of the at least one reference target, a i and b i are real numbers, k is a real number larger than and n is a quantity of the at least one reference target.