Abstract: The object of the invention is to provide a supervising system for image to detect a scheme at high accuracy. The supervising system for image is provided with a first portion for detecting change of time detecting the change of time in amount of feature of an image taken pictures by a image forming device, a second portion for detecting change of time in the illuminance detected by an illuminance sensor, and a scheme judging portion detecting a scheme against the image forming device in accordance with the change of time in amount of feature and the change of time in the illuminance as detected.

Abstract: The object of the invention is to provide a supervising system for image to detect a scheme at high accuracy. The supervising system for image is provided with a first portion for detecting change of time detecting the change of time in amount of feature of an image taken pictures by a image forming device, a second portion for detecting change of time in the illuminance detected by an illuminance sensor, and a scheme judging portion detecting a scheme against the image forming device in accordance with the change of time in amount of feature and the change of time in the illuminance as detected.

Abstract: In order to precisely detect abnormal objects by use of a low-cost arrangement at high speeds while avoiding unwanted influence of variations of a light source and/or regularly vibrating objects in the environment concerned, there are provided a means 4200 for subdividing an image being input from a camera into blocks, an object candidate extraction unit 4700 which is operable to compare image data of a frame to be processed and image data of its immediately preceding frame in units of blocks to thereby extract an abnormal object candidate in accordance with the presence or absence of edges and a longitude-to-lateral edge radio change rate, and an object judging unit 4800 for determining or “judging” whether the abnormal object candidate is a true abnormal object or not, wherein the object judging unit 4800 regards it as an abnormal object in cases where movement of the abnormal object candidate was traceable for a prespecified length of time period.

Abstract: In order to detect abnormal objects with a low-cost arrangement at high speeds while avoiding unwanted influence of variations of a light source and/or regularly vibrating objects in the environment concerned, there is provided a block data calculation unit 4200 inputted from a camera into blocks, an object candidate extraction unit 4700 which compares image data of a frame to be processed and the immediately preceding frame in units of blocks to thereby extract an abnormal object candidate in accordance with the presence or absence of edges and a longitude-to-lateral edge ratio change rate, and an object judging unit 4800 for determining or “judging” whether the abnormal object candidate is a true abnormal object, wherein it is an abnormal object where movement of the abnormal object candidate is traceable for a prespecified length of time period.

Abstract: In order to precisely detect abnormal objects by use of a low-cost arrangement at high speeds while avoiding unwanted influence of variations of a light source and/or regularly vibrating objects in the environment concerned, there are provided a means 4200 for subdividing an image being input from a camera into blocks, an object candidate extraction unit 4700 which is operable to compare image data of a frame to be processed and image data of its immediately preceding frame in units of blocks to thereby extract an abnormal object candidate in accordance with the presence or absence of edges and a longitude-to-lateral edge radio change rate, and an object judging unit 4800 for determining or “judging” whether the abnormal object candidate is a true abnormal object or not, wherein the object judging unit 4800 regards it as an abnormal object in cases where movement of the abnormal object candidate was traceable for a prespecified length of time period.