Patent ID: 9131264
Filing Date: 2015-09-08
Classification: H04N

Abstract:
1. A method of providing an interactive service related to a content, the method comprising: receiving by a receiving processor the content including logo image, symbol image and watermarks, wherein the logo image indicates a content provider, wherein the symbol image indicates the content related to the content provider indicated by the logo image, wherein the watermarks carry additional information related to the content indicated by the symbol image, wherein the logo image and symbol image are included in video frames of the content and the watermarks are inserted in audio or video frames of the content, wherein a start tag indicating the start of the additional information is inserted in the first part of the additional information, wherein an end tag indicating the end of the additional information is inserted in the last part of the additional information, wherein the additional information including the start tag and end tag is divided into two or more sub additional information, wherein each of the watermarks includes one of the sub additional information, wherein the each of the watermarks is inserted in the successive audio or video frames in order; extracting by a first extracting processor the logo image and the symbol image in the video frames: comparing by a first comparing processor color, text and outline of the logo image with color, text and outline of logo images stored in a logo server, wherein the logo image is located in a specific fixed area in each of the video frames; comparing by a second comparing processor color, text and outline of the symbol image with color, text and outline of symbol images stored in a symbol server, wherein the symbol image is located in a specific fixed area in each of the video frames; extracting by a second extracting processor the watermarks from the successive audio or video frames of the content; obtaining by a first obtaining processor a content provider identifier identifying a provider of the content from the logo server; obtaining by a second obtaining processor a content identifier identifying the content from the symbol server; obtaining by a third obtaining processor the sub additional information from the watermarks in the successive audio or video frames; combining by a combining processor the sub additional information to generate the additional information by using the start tag and the end tag; generating by a generating processor a request for obtaining URL information for the interactive service related to the content by using the content provider identifier, the content identifier and the additional information; receiving by the receiving processor the URL information by using the request; and obtaining by one of the first, second and third obtaining processor the interactive service over an IP(Internet Protocol) network according to the URL information; displaying by a displaying processor the interactive service.