Patent ID: 8458038

Claim:
An information retrieving system which retrieves information according to image data and moving image data, the information retrieving system comprising: a terminal unit having: image data obtaining means for obtaining image data and moving image data, and transmitting means for transmitting the image data and the moving image data obtained by the image data obtaining means to a communication network, and a server unit having: a first database in which retrievable recognizing image data is registered, a second database in which meta data corresponding to the recognizing image data registered in the first database is registered, an automatic extracting system that automatically detects and extracts information broadcast on television broadcasts, a registering section that collects the information broadcast on the television broadcasts and information published on web sites and registers the information as the retrievable recognizing image data to the first database, and collects meta data corresponding to the recognizing image data registered in the first database and registers the meta data to the second database, receiving means for receiving the image data and the moving image data transmitted from the terminal unit through the network, a feature extracting section which extracts a feature of image data of which the image data and the moving image data received by the receiving means are broken down frame by frame, a feature comparing section which extracts a feature of the recognizing image data registered in the first database and compares the feature of the image data of which the image data and the moving image data are broken down frame by frame with a feature of the recognizing image data, retrieving means for retrieving the recognizing image data having a high match rate to an image element of the image data from the first database according to a compared result by the feature comparing section, and meta data extracting means for extracting the meta data from the second database according to a retrieved result by the retrieving means, wherein the server unit allows the terminal unit to browse the meta data extracted by the meta data extracting means through the communication network.