METHOD AND APPARATUS FOR PROCESSING DIGITAL SERVICE SIGNALS

• US 20140047475A1
• Filed: 07/16/2013
• Published: 02/13/2014
• Est. Priority Date: 07/16/2012
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Kim, Jinpil, An, Seungjoo, Kim, Kyungho, Moon, Kyoungsoo, Oh, Sejiin
• Granted Patent: US 9,131,264 B2
• Time in Patent Office: Days
• US Class Current: 725/40
• CPC Class Codes: H04N 21/2355 involving reformatting operations of additional data, e.g. HTML pages optimising the visualization of content for information retrieval from the Internet G06F16/9577; tracking of instant messages H04L51/234; media packet handling at the source H04L65/762
• CPC Class Codes: H04N 21/4355 involving reformatting operations of additional data, e.g. HTML pages on a television screen optimising the visualization of content for information retrieval from the Internet G06F16/9577; adaptation of message content in packet-switching networks H04L51/066; media handling at the source in data packet switching networks H04L65/764
• CPC Class Codes: H04N 21/44008 involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream arrangements characterised by components specially adapted for monitoring, identification or recognition of video in broadcast systems H04H60/59
• CPC Class Codes: H04N 21/4622 Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet web site content organization and management for information retrieval from the Internet G06F16/958; transmission by internet of broadcast information H04H60/82; stock exchange data over packet-switching network H04L12/1804; push services including data channel over packet-switching network H04L12/1859
• CPC Class Codes: H04N 21/4725 using interactive regions of the image, e.g. hot spots details of information retrieval from the Internet by using URLs G06F16/955; processing chained hypermedia data for information retrieval G06F16/94
• CPC Class Codes: H04N 21/6125 involving transmission via Internet transmission by internet of broadcast information H04H60/82
• CPC Class Codes: H04N 21/8133 specifically related to the content, e.g. biography of the actors in a movie, detailed information about an article seen in a video program
• CPC Class Codes: H04N 21/8352 involving content or source identification data, e.g. Unique Material Identifier [UMID]
• CPC Class Codes: H04N 21/8358 involving watermark protecting executable software by watermarking G06F21/16; image watermarking in general G06T1/0021; watermarks inserted in still images for transmission purposes H04N1/32144; inserting watermarks during video coding H04N19/467
• CPC Class Codes: H04N 21/84 Generation or processing of descriptive data, e.g. content descriptors systems specially adapted for using meta-information in broadcast systems H04H60/73
• CPC Class Codes: H04N 21/8545 for generating interactive applications
• CPC Class Codes: H04N 21/8586 by using a URL processing chained hypermedia data for information retrieval G06F16/94; information retrieval from the Internet by using URLs G06F16/955; URL in broadcast information H04H20/93; Web-based protocols H04L67/02

Abstract

An apparatus of processing a digital service signals and a method thereof are disclosed. The present invention includes a receiving module configured to receive the digital service signals having contents and receive URL information for additional data related to the contents, an extracting module configured to extract logo data for indicating contents provider from each of the video frames of the contents, wherein the logo data is located in a specific area in the each of the video frames, a comparing module configured to compare the extracted logo data with stored logo data to obtain channel information of the contents, an obtaining module configured to obtain the channel information of the contents from metadata related to the logo data and obtain the additional data related to the contents and a generating module configured to generate a request for obtaining the URL information using the obtained channel information, wherein the receiving module receives the URL information using the generated request, wherein the obtaining module obtains the additional data over an IP (Internet Protocol network) according to the URL information.

Claims

1. A method of processing digital service signals, the method comprising:

receiving the digital service signals having contents;

extracting logo data for indicating contents provider from each of the video frames of the contents, wherein the logo data is located in a specific area in the each of the video frames;

comparing the extracted logo data with stored logo data to obtain channel information of the contents;

obtaining the channel information of the contents from metadata related to the logo data;

generating a request for obtaining URL information for the additional data related to the contents using the obtained channel information;

receiving the URL information using the generated request; and

obtaining the additional data over an IP (Internet Protocol) network according to the URL information.

2. The method of claim 1, the method further includes:

extracting watermarks from the audio frames of the contents, wherein the watermarks carry program information related to the contents, wherein the program information includes content id information identifying each of the contents; and

obtaining the program information in the watermarks.

3. The method of claim 2, the generating further uses the obtained program information to generate the request.

4. The method of claim 1, when the video frames include symbol image data for indicating a program related to the contents, the method further comprises:

extracting the symbol image data from the each of the video frames of the contents, wherein the symbol image data is located in a specific area in the each of the video frames;

processing the extracted symbol image data to obtain program information related to the contents, wherein the program information includes content id information identifying each of the contents; and

obtaining the program information.

5. The method of claim 4, wherein the generating further uses the obtained program information to generate the request.

6. The method of claim 1, the method further includes updating the metadata related to the logo data periodically.

7. The method of claim 1, the method further comprises extracting watermarks from the specific area of the video frames, wherein the watermarks carry the channel information and program information related to the contents, wherein the program information includes content id information identifying each of the contents.

8. A method of processing digital service signals, the method comprising:

generating the digital service signals having contents;

inserting logo data for indicating contents provider into each of the video frames of the contents, wherein the logo data is located in a specific area in the each of the video frames;

transmitting the digital service signals, wherein the logo data is for obtaining channel information of the contents, and the channel information is for receiving the URL information for additional data related to the contents.

9. The method of claim 8, wherein the contents include audio frames, the method further comprises:

generating watermarks; and

inserting the generated watermarks into the audio frames of the contents, wherein the watermarks carry program information related to the contents, wherein the program information includes content id information identifying each of the contents.

10. The method of claim 8, the method further comprises:

generating watermarks; and

inserting the generated watermarks into the video frames of the contents, wherein the watermarks carry channel information and program information related to the contents, wherein the program information includes content id information identifying each of the contents.

11. The method of claim 9, the method further includes:

dividing the audio or video frames into sub-frames;

detecting specific sub-frames from among the divided sub-frames to insert the watermarks;

inserting the watermarks into the detected specific sub-frames; and

assembling the divided sub-frames into the audio or video frames.

12. The method of claim 8, the method further comprises:

generating symbol image data for indicating a program related to the contents; and

inserting the generated symbol image data into the each of the video frames of the contents, wherein the inserted symbol image data is located in a specific area in the each of the video frames.

23. The method of claim 10, the method further includes:

dividing the audio or video frames into sub-frames;

detecting specific sub-frames from among the divided sub-frames to insert the watermarks;

inserting the watermarks into the detected specific sub-frames; and

assembling the divided sub-frames into the audio or video frames.

13. An apparatus for processing digital service signals, comprising:

a receiving module configured to receive the digital service signals having contents and receive URL information for additional data related to the contents;

an extracting module configured to extract logo data for indicating contents provider from each of the video frames of the contents, wherein the logo data is located in a specific area in the each of the video frames;

a comparing module configured to compare the extracted logo data with stored logo data to obtain channel information of the contents;

an obtaining module configured to obtain the channel information of the contents from metadata related to the logo data and obtain the additional data related to the contents; and

a generating module configured to generate a request for obtaining the URL information using the obtained channel information,

wherein the receiving module receives the URL information using the generated request,

wherein the obtaining module obtains the additional data over an IP (Internet Protocol network) according to the URL information.

14. The apparatus of claim 13, the apparatus further comprises:

a watermark extracting module configured to extract watermarks from the audio frames of the contents; and

a program information obtaining module configured to obtain the program information in the watermarks,

wherein the watermarks carry program information related to the contents, wherein the program information includes content id information identifying each of the contents and

wherein the generating module further uses the obtained program information to generate the request.

15. The apparatus of claim 13, when the video frames include symbol image data for indicating a program related to the contents, the apparatus further comprises:

a symbol extracting module configured to extract the symbol image data from the each of the video frames of the contents, wherein the symbol image data is located in a specific area in the each of the video frames;

a processing module configured to process the extracted symbol image data to obtain program information related to the contents, wherein the program information includes content id information identifying each of the contents; and

a program information obtaining module configured to obtain the program information,

wherein the generating module further uses the obtained program information to generate the request.

16. The apparatus of claim 13, the apparatus further comprises an updating module configured to update the metadata related to the logo data periodically.

17. The apparatus of claim 13, the extracting module further extracts watermarks from the specific area of the video frames, wherein the watermarks carry the channel information and program information related to the contents, wherein the program information includes content id information identifying each of the contents.

18. An apparatus for processing digital service signals, comprising:

a generating module configured to generate the digital service signals having contents;

an inserting module configured to insert logo data for indicating contents provider into each of the video frames of the contents, wherein the logo data is located in a specific area in the each of the video frames;

a transmitting module configured to transmit the digital service signals, wherein the logo data is for obtaining channel information of the contents, and the channel information is for receiving the URL information for the additional data related to the contents.

19. The apparatus of claim 18, when the contents include audio frames, wherein the generating module further generates watermarks, the inserting module further inserts the generated watermarks into the audio frames of the contents,

wherein the watermarks carry program information related to the contents, wherein the program information includes content id information identifying each of the contents.

20. The apparatus of claim 18, wherein the generating module further generates watermarks, the inserting module further inserts the generated watermarks into the video frames of the contents,

wherein the watermarks carry channel information and program information related to the contents, wherein the program information includes content id information identifying each of the contents.

21. The apparatus of claim 19, the inserting module further:

divides the audio or video frames into sub-frames;

detects specific sub-frames from among the divided sub-frames to insert the watermarks;

inserts the watermarks into the detected specific sub-frames; and

assembles the divided sub-frames into the audio or video frames.

22. The apparatus of claim 18, wherein the generating module further generates symbol image data for indicating a program related to the contents, the inserting module further inserts the generated symbol image data into the each of the video frames of the contents, wherein the inserted symbol image data is located in a specific area in the each of the video frames.

24. The apparatus of claim 20, the inserting module further:

divides the audio or video frames into sub-frames;

detects specific sub-frames from among the divided sub-frames to insert the watermarks;

inserts the watermarks into the detected specific sub-frames; and

assembles the divided sub-frames into the audio or video frames.