Provided is an operating method for an artificial intelligence (AI) camera that communicate with at least one another AI camera, the operating method including: configuring a cluster for the image analysis together with other AI camera by exchanging registration information with the other AI camera; sharing, with the other AI camera, registration information about normal cameras used to access the normal cameras; receiving, based on one of the normal cameras being allocated to AI camera, an image captured by the allocated normal camera by accessing the allocated normal camera; analyzing the received image using an AI processor in the AI camera; and transmitting a result of the analyzing the received image together with an identifier of the allocated normal camera to an external device.