METHOD AND APPARATUS FOR TRANSRECEIVING BROADCAST SIGNAL FOR PANORAMA SERVICE

• US 20160337706A1
• Filed: 02/17/2015
• Published: 11/17/2016
• Est. Priority Date: 02/18/2014
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: HWANG, Soojin, SUH, Jongyeul, OH, Hyunmook
• Granted Patent: US 9,894,422 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04N 19/117 Filters, e.g. for pre-processing or post-processing sub-band filter banks H04N19/635
• CPC Class Codes: H04N 19/119 Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
• CPC Class Codes: H04N 19/136 Incoming video signal characteristics or properties
• CPC Class Codes: H04N 19/167 Position within a video image, e.g. region of interest [ROI]
• CPC Class Codes: H04N 19/17 the unit being an image region, e.g. an object
• CPC Class Codes: H04N 19/44 Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
• CPC Class Codes: H04N 19/61 in combination with predictive coding
• CPC Class Codes: H04N 21/21805 enabling multiple viewpoints, e.g. using a plurality of cameras
• CPC Class Codes: H04N 21/234 Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
• CPC Class Codes: H04N 21/23418 involving operations for analysing video streams, e.g. detecting features or characteristics television picture signal circuitry for scene change detection H04N5/147; filtering for image enhancement G06T5/00; methods or arrangements for recognising scenes G06V20/00; arrangements characterised by components specially adapted for monitoring, identification or recognition of video in broadcast systems H04H60/59
• CPC Class Codes: H04N 21/236 Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream multiplexing of data packets for data networks, e.g. RTP/UDP H04L65/00
• CPC Class Codes: H04N 21/23614 Multiplexing of additional data and video streams arrangements for simultaneous broadcast of plural pieces of information H04H20/28
• CPC Class Codes: H04N 21/2362 Generation or processing of Service Information [SI]
• CPC Class Codes: H04N 21/2365 Multiplexing of several video streams
• CPC Class Codes: H04N 21/2368 Multiplexing of audio and video streams
• CPC Class Codes: H04N 21/4122 additional display device, e.g. video projector digital output for controlling a plurality of local displays G06F3/1423
• CPC Class Codes: H04N 21/4382 Demodulation or channel decoding, e.g. QPSK demodulation analog front ends or means for connecting modulators, demodulators or transceivers to a transmission line H04L27/0002
• CPC Class Codes: H04N 21/47 End-user applications
• CPC Class Codes: H04N 21/472 End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content end-user interfaces for retrieving video data from a database G06F16/739; network services for supporting unicast streaming H04L65/612
• CPC Class Codes: H04N 21/4722 for requesting additional data associated with the content
• CPC Class Codes: H04N 21/4728 : for selecting a Region Of Interest [ROI], e.g. for requesting a higher resolution version of a selected region
• CPC Class Codes: H04N 21/6125 : involving transmission via Internet transmission by internet of broadcast information H04H60/82
• CPC Class Codes: H04N 21/6379 : directed to encoder , e.g. for requesting a lower encoding rate
• CPC Class Codes: H04N 21/8153 : comprising still images, e.g. texture, background image
• CPC Class Codes: H04N 23/698 : for achieving an enlarged field of view, e.g. panoramic image capture

Abstract

The present invention relates to a providing a method and/or an apparatus for transceiving a broadcast signal for a panorama broadcast service. The method for transmitting a broadcast signal, according to one embodiment of the present invention, comprises the steps of: encoding an image, multiplexing into a single broadcast stream, the encoded image and signaling information related to the image, wherein the signaling information includes signaling information related to a panoramic image; generating a broadcast signal including the multiplex broadcast stream; and transmitting the generated broadcast signal.

Claims

1. A method of transmitting a broadcast signal, comprising:

encoding an image;

multiplexing the encoded image and signaling information about the image into a single broadcast stream, wherein the signaling information includes signaling information about a panoramic image;

generating a broadcast signal including the multiplexed broadcast stream; and

transmitting the generated broadcast signal.

2. The method according to claim 1, wherein the signaling information about the image includes event connection information indicating information about a panorama broadcast service corresponding to a currently viewed broadcast service, and the signaling information about the panoramic image includes panorama composition information indicating a composition of the panoramic image.

3. The method according to claim 2, wherein the encoding comprises dividing the image into one or more images and respectively encoding the divided images.

4. The method according to claim 2, wherein the encoding comprises encoding additional information on a region of interest (ROI) of a user in the image, for providing a high-definition image of the ROI, and the multiplexing comprises multiplexing the encoded image, the signaling information about the image and the encoded ROI additional information into a single broadcast stream.

5. The method according to claim 3, wherein the panorama composition information includes information about the divided images.

6. The method according to claim 3, wherein the panorama composition information includes filtering information for removing blocking artifacts from the divided images.

7. The method according to claim 2, wherein the panorama composition information includes information for cropping the panoramic image into one or more images.

8. The method according to claim 4, wherein the panorama composition information includes information about the image of the ROI.

9. A method of receiving a broadcast signal, comprising:

receiving a broadcast stream including a stream with respect to an image and signaling information about the image, wherein the signaling information includes signaling information about a panoramic image;

extracting the stream with respect to the image and the signaling information about the image from the received broadcast stream; and

decoding the extracted stream with respect to the image using the extracted signaling information.

10. The method according to claim 9, wherein the signaling information about the image includes event connection information indicating information about a panorama broadcast service corresponding to a currently viewed broadcast service, and the signaling information about the panoramic image includes panorama composition information indicating a composition of the panoramic image.

11. The method according to claim 10, wherein the image is divided into one or more images and the stream with respect to the image includes streams with respect to the one or more divided images,

wherein the decoding comprises respectively decoding the streams with respect to the divided images using the extracted signaling information.

12. The method according to claim 10, wherein the broadcast stream includes a stream with respect to additional information on an ROI of a user in the image, for providing a high-definition image of the ROI,

wherein the extracting comprises extracting the stream with respect to the image, the stream with respect to the ROI additional information and the signaling information about the image from the received broadcast stream, and the decoding comprises decoding the extracted stream with respect to the image and the extracted stream with respect to the ROI additional information using the extracted signaling information.

13. The method according to claim 11, wherein the panorama composition information includes information about the divided images.

14. The method according to claim 11, wherein the panorama composition information includes filtering information for removing blocking artifacts from the divided images.

15. The method according to claim 10, wherein the panorama composition information includes information for cropping the panoramic image into one or more images.

16. The method according to claim 12, wherein the panorama composition information includes information about the image of the ROI.

17. The method according to claim 9, further comprising displaying the decoded stream with respect to the image,

wherein the displaying comprises displaying a region shifted according to a scrolling request when the scrolling request is received from a user.

18. An apparatus for transmitting a broadcast signal, comprising:

an encoder for encoding an image;

a multiplexer for multiplexing the encoded image and signaling information about the image into a single broadcast stream, wherein the signaling information includes signaling information about a panoramic image;

a broadcast signal generator for generating a broadcast signal including the multiplexed broadcast stream; and

a transmitter for transmitting the generated broadcast signal.

19. An apparatus for receiving a broadcast signal, comprising:

a receiver for receiving a broadcast stream including a stream with respect to an image and signaling information about the image, wherein the signaling information includes signaling information about a panoramic image;

a demultiplexer for extracting the stream with respect to the image and the signaling information about the image from the received broadcast stream; and

a decoder for decoding the extracted stream with respect to the image using the extracted signaling information.