Patent attributes
An image identifying method for offline and online synchronous operation is disclosed. When the mobile device focuses on an recognition target, images frames of an recognition target are retrieved and sent to an recognition server. The mobile device executes an offline recognition operation, and synchronously an recognition server executes an online recognition operation. A plurality of the matching data is saved in the mobile device, and a plurality of recognition data is saved in an recognition server, wherein the recognition data larger than the matching data. When the mobile device firstly generates the recognition result, the recognition result is displayed for user searching reference. If the mobile device receives an recognition result from the recognition server before the mobile device completing the recognition, the recognition result replied form the recognition server is displayed on the display monitor.