Patent ID: 8520230

Claim:
An image processing system that connects an image forming apparatus to a service providing system via a network to perform image processing, the image processing system comprising: a user management unit that manages login from the image forming apparatus and issues an authentication ticket to the image forming apparatus; a task request unit that makes an image processing request including image data to the service providing system with an addition of the authentication ticket; a detection unit that detects whether the image processing request is authorized; a task processing unit that makes, after receiving the authorized image processing request, the image processing request with an addition of user information accompanied by identification information indicating an internal communication from the service providing system, the user information being acquired by querying the user management unit; a task management unit that stores, after confirming the internal communication based on the identification information, a task indicating the image processing request acquired from the task processing unit in a task queue; one or more image processing units that acquire a processible image processing request indicated by the task stored in the task queue to perform the image processing, the task management unit capable of receiving an inquiry about the task from the one or more image processing units; a storage unit that stores the image data processed by the one or more image processing units; and an acquisition unit that specifies a location where the processed image data are stored and acquires the image data.