WO2000057295A9 - Encoding hot spots in television signals - Google Patents
Encoding hot spots in television signalsInfo
- Publication number
- WO2000057295A9 WO2000057295A9 PCT/US2000/008010 US0008010W WO0057295A9 WO 2000057295 A9 WO2000057295 A9 WO 2000057295A9 US 0008010 W US0008010 W US 0008010W WO 0057295 A9 WO0057295 A9 WO 0057295A9
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hot spot
- data
- television
- image frame
- television signal
- Prior art date
Links
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Classifications
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- H04N21/858—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
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- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234318—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into objects, e.g. MPEG-4 objects
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Definitions
- the present invention relates to television systems, and more specifically to a method
- Television systems are generally used to display images encoded in a television signal.
- a television signal typically contains several image frames, and television systems are
- the television signal generally designed to process the television signal to display the image frames.
- the television signal generally designed to process the television signal to display the image frames.
- signal may be in progressive or interlaced formats designed for analog or digital television
- NTSC NTSC
- PAL PAL
- ATSC ATSC
- SEC AM SEC AM
- Hot Spots are often specified in television signals.
- a hot spot generally refers to a
- portion of a displayed image which (portion) can be selected by a user (or viewer), and a pre-
- a hot spot by 'clicking' on (or otherwise actuating) the displayed image portion.
- a hot spot represents an advertisement and the associated action enables the user to
- a vendor system may be, among others, a web server or a telephone call processing
- Vendor systems generally enable a user to purchase a service or product, or to access
- RELATED APPLICATION 1 discloses a system in which a broadcaster
- non-display portion e.g., blanking intervals
- a transaction enabler block enables a user to access the encoded vendor
- any intermediate broadcasters may alter the some portions of the television signals while
- the present invention is directed to sending hot spot data in television signals. Hot
- spot data generally includes data specifying the portions of the images forming hot spots
- Hot spot data may contain other information such as that identifying an advertizer to which the vendor system may relate to.
- hot spot data is encoded in the portions of
- the television signal which are not generally altered by intermediate broadcasters.
- intermediate broadcasters As is well as
- the broadcast conventions are referred to by the broadcasters according to broadcast conventions.
- the broadcast conventions are referred to by the broadcasters according to broadcast conventions.
- hot spot data is encoded in the display data portion of a television
- portion generally refers to the signal portion that represents image frames. However, other
- portions of television signal image such as audio channel, closed captioning portions can also be included.
- a transaction enabler block at a user's (or viewer's) end receives a television signal
- the transaction enabler may provide a
- the user may simply need to click on (or actuate) a portion of a displayed image
- the hot spot data can be sent to viewers of television programs without
- pixel data are minimized in accordance with the present invention.
- pixel data are minimized in accordance with the present invention.
- hot spot data in the display data portion.
- a transaction enabler may first need to accurately determine
- encoding technique generally allows for encoding of additional data at a broadcasters end
- the transaction block can examine the received
- CRC cyclic redundancy check
- a transaction enabler may first determine that a received television signal
- the present invention provides a convenient mechanism by which a viewer
- the present invention ensures that hot spot data is available at user's end irrespective of any modification of non-display portion of a television signal by intermediate broadcasters
- the hot spot data is encoded in the portions of the television signals which are not altered
- the present invention minimizes any display distortions due to encoding hot spot data
- Figure 1 is a flow-chart illustrating a method according to the present invention
- Figure 2 is a diagram illustrating a hot spots in an image frame
- Figure 3 is a block diagram illustrating a typical scenario in which the present
- Figure 4 is a block diagram illustrating the detail of a transaction enabler block in one
- FIG. 5 is a flow-chart illustrating an example scheme of encoding hot spot data. Detailed Description of the Preferred Embodiments
- the present invention enables data related to hot spots ("hot spot data”) to be
- hot spot data generally includes
- Hot spot data may contain other types of information, for example
- the hot spot data can be encoded in other portions of the television
- signals e.g., audio channel, closed captioning portion
- Display portion commonly refers to the portion of a television
- non-display portion generally separates successively encoded image frames (e.g., by using
- the non-display portion is received during vertical retrace periods
- an encoding scheme in accordance with the present invention ensures that any display
- Figure 1 is a flow chart illustrating a method according to the present invention.
- step 1 10 a party (typically a broadcaster) purposes a scene for advertisement.
- step 120 the scene is captured on a medium (any recording medium), preferably in
- the television signal may be
- the scene is captured in a known way.
- step 130 the hot spot data is encoded in the portions of the television signal which
- broadcasters rebroadcast television signals according to a rebroadcast convention, which
- the hot spot data may not be modified or deleted during rebroadcasts by intermediate
- the hot spot data is encoded in the display data portion of the hot spot data
- pixel data elements may be generated by digitizing the image frames otherwise encoded in the display data portion.
- the present invention As the display data is typically unaltered by any intermediate broadcasters, the present invention
- Hot spot data may be incorporated using various tools available in the industry. For
- Hot spot data needs to identify the location of hot spots and corresponding vendor
- the hot spot data be contained in each image frame.
- a convention
- step 140 the television signal containing hot spots is transmitted.
- step 160 the television signal containing hot spots is transmitted.
- hot spot data is recovered at a user end.
- the recovery needs to be consistent with the encoding
- step 170 a user is enabled to
- Figure 2 depicts a sample image frame 200 having hot spots 210 (Pepsi Logo on a T-Shirt), 220 (Nike Advertisement on a shoe), and 230 (IBM Advertisement
- three advertisements may be encoded in the display data portion of a television signal in
- Figure 5 is a flow-chart illustrating an example method for sending spot data related
- an advertisement identifier packet may be sent, with the
- An object identifier may uniquely identify each advertisement, the date and time
- advertizer identifier may uniquely specify an advertizer
- Control data (e.g., IBM Corporation, Nike Corporation) to which the advertisement relates to.
- packets may be sent one corresponding to each of the hot spots 210, 220 and 230.
- step 520 vendor system identification data associated with each hot spot area
- the information may be encoded in a known way, for example, in ASCII format.
- vendor system identification data is sent in a packet with an object identifier
- step 520 is described with reference to using web servers as vendor
- vendor systems may include other types of systems, and the vendor system
- identification data packets are correspondingly designed. For example, a web access address
- hot spot 210 may be associated with hot spot 210
- a web access address and telephone number may be associated with hot spot 220
- a telephone number (with a fax
- hot spot identifier packets may be sent. Each hot spot identifier packet
- each image may contain data identifying the location of the hot spots.
- each image may contain data identifying the location of the hot spots.
- each image may contain data identifying the location of the hot spots.
- Hot spot 220 may be identified by the used rectangle area. In an embodiment,
- packet may contain an object identifier, an X coordinate and a Y-coordinate.
- a hot spot identifier packet may be sent first when the corresponding hot
- An additional identifier packet may be sent
- This additional packet indicates
- a ball may be moving in a trajectory and the ball may need to be
- the coordinates of the ball may be sent with each image to
- the movement may be characterized by a
- online access addresses are merely illustrative. Several variations can be used as will be
- the image frames are first digitized if necessary.
- the hot spot data is then digitized if necessary.
- the user may not perceive a significant difference in
- pixel data elements can be used for encoding the hot spot data according to a pre- determined
- image frames as human eye tends to focus more on the central portion of image frames.
- Yet another embodiment may use pixel
- Figure 3 illustrates an example system 300 in which the present invention can be
- System 300 includes production block 370, storage 360, authoring block 350,
- System 300 further includes transaction
- Broadcaster end 380 generates television signals including hot spot data in the display
- the television signals are broadcasted many times directly to user end 390 on
- television signals may be altered, due to which the hot spot data may be modified or deleted
- User end 390 receives the television signals and displays the encoded images on a
- user end 390 enables a user to access various vendor
- broadcaster end 380 and user end 390 are described in further detail below.
- Production block 370 may contain different components such as cameras which are
- the resulting display signal may be stored in storage 360.
- signal is preferably in a form suitable for eventual transmission as a television signal.
- Production block 370 may be implemented in a known way.
- Authoring block 350 processes the display signal to incorporate hot spot data into the
- the hot spot data may be designed in accordance with the method of flow-charts 1 and 5 described above.
- storage 360 may be used as
- Authoring block 350 may encode hot spot data using the approaches described above.
- pixel data elements representing an image frame are generated and hot spot data
- Broadcast block 340 may broadcast television signals (containing the hot spot data in
- the television signal can be
- Production block and authoring block 350 need to
- broadcaster end 380 generates television signals containing hot spot data in the display
- television system 310 displays the images encoded in a
- enabler 330 enables users (or viewers of television 310) to access various vendor systems specified by the hot spot data encoded in the television signal received from broadcast block
- Transaction enabler 330 may be included at any point in the television signal path
- transaction enabler 330 may be controlled from remote control unit
- remote control unit 320 by a user. Even though remote control unit 320 is described below as interfacing with
- control transaction enabler 330 may be employed to control transaction enabler 330.
- remote control unit 320 may operate remote control unit 320 to access various vendor systems in accordance with the
- Transaction enabler 330 decodes the hot spot data in the television signals received
- broadcast block 340 enables a user to access various vendor systems by actuating
- transaction enabler 330 may need to have access to a
- connection 336 web connection using connection 336 and /or telephone line using lines 335.
- transaction enabler 330 may need to generate new or supplemental image frames on line 331
- transaction enabler 330 For a convenient user interface.
- An embodiment of transaction enabler 330 is described below
- Figure 4 is a block diagram illustrating the internals of an example embodiment of
- transaction enabler 330 Only the details of transaction enabler 330 as may be applicable to
- Image decoder 410 generates pixel data elements representing image frames encoded
- image decoder 410 may store the pixel data elements representing an image frame in
- Image decoder 410 may be implemented in a known way.
- Memory 430 may
- non-volatile memories may store data and program instructions
- Recovery block 420 may examine the pixel data elements stored in memory 430 to
- recovery block 420 needs to be implemented consistent with
- recovery block 420 may examine the
- Recovery block
- 420 may be implemented using various digital signal processing techniques also.
- Infra-red (IR) receiver 460 receives remote control signals from remote control unit
- receiver 460 may be implemented in a known way. It may be noted that other receivers which
- Telephone interface 470 enables a telephone call to be initiated on line 335.
- telephone calls may be generally initiated either to connect to the Internet via an ISP or to
- telephone interface 470 may provide the necessary micro-phone (for a viewer to speak) and receiver for reproducing audible voice.
- a user may utilize a conventional
- LAN (local area network) interface 475 may provide
- a voice call e.g., using voice over Internet Protocol.
- Processor 450 receives the hot spot data from recovery block 420, and enables a user
- processor 450 may control the images displayed on television system 1 10. As an illustration,
- processor 450 may control select line 481
- vendor system information is present in the received television signal, one of the lights 455
- a branded logo may appear on the viewer screen.
- advertisement information i.e., presence of hot spots
- processor 450 may modify the received image frames to provide a suitable
- the modification is generally performed by processing the pixel data elements
- a user may indicate when the hot spot information needs to be
- processor 450 may overlay
- the display portions typically containing objects
- the display portions corresponding to hot spots
- a user may be highlighted to indicate that a vendor system is associated with the portions.
- transaction enabler 330 may display the associated vendor systems with suitable explanation messages. The user may select one of the vendor
- Transaction enabler 330 may provide
- transaction enabler 330 may need
- Processor 450 may enable such an operation by executing the
- the web-browser enables transaction enabler
- Processor 450 may convert the web pages
- a user may continue to browse the world-wide-web by operating remote control unit
- processor 320 As control signals indicating that the cursor needs to be moved are received, processor
- 450 may need to modify the displayed image frames to indicate the cursor position.
- enabler 330 may need to fetch a web page with the new URL in a known way. This browsing
- mechanism may enable a viewer to access additional information from a vendor system.
- transaction enabler 330 of Figure 3 enables a presently displayed advertisement
- transaction enabler 330 may provide the web browsing support.
- transaction enabler 330 Various modifications can be made to transaction enabler 330 without departing from the
- transaction enabler 330 may alter the
- broadcaster end 380 and user end 390 need to be implemented with a
- hot spot related data is processed by a CRC circuit contained in transaction enabler 330.
- processor 450 may recover the hot spot
- Processor 450 may include a CRC processor (either in hardware, software,
- processor 450 may determine that
- the television signals presently being received contain hot spot data.
- processor 450 may interpret the recovered data as hot spot containing information related to vendor systems, etc., as described in detail above. If the recovered data
- processor 450 may assert line 481 to cause
- multiplexor 480 to select the television signal portions received on line 343. The selected
- signal may be used for display on television 310.
- the present invention provides an efficient way of determining the presence of
- hot spot data in a received television signal and provide user interface to enable a user to
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Business, Economics & Management (AREA)
- Marketing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Television Systems (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU39231/00A AU3923100A (en) | 1999-03-25 | 2000-03-25 | Encoding hot spots in television signals |
JP2000607103A JP2002540657A (en) | 1999-03-25 | 2000-03-25 | Coding hot spots into television signals |
EP00918415A EP1090356A1 (en) | 1999-03-25 | 2000-03-25 | Encoding hot spots in television signals |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US27626699A | 1999-03-25 | 1999-03-25 | |
US09/276,266 | 1999-03-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000057295A1 WO2000057295A1 (en) | 2000-09-28 |
WO2000057295A9 true WO2000057295A9 (en) | 2001-11-15 |
Family
ID=23055935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/008010 WO2000057295A1 (en) | 1999-03-25 | 2000-03-25 | Encoding hot spots in television signals |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1090356A1 (en) |
JP (1) | JP2002540657A (en) |
CN (1) | CN1297548A (en) |
AU (1) | AU3923100A (en) |
WO (1) | WO2000057295A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020174425A1 (en) * | 2000-10-26 | 2002-11-21 | Markel Steven O. | Collection of affinity data from television, video, or similar transmissions |
US20020083469A1 (en) * | 2000-12-22 | 2002-06-27 | Koninklijke Philips Electronics N.V. | Embedding re-usable object-based product information in audiovisual programs for non-intrusive, viewer driven usage |
EP1241887A3 (en) * | 2000-12-26 | 2004-04-14 | Pioneer Corporation | System for serving information relating to broadcast video information |
KR20030025498A (en) * | 2001-09-21 | 2003-03-29 | 전자부품연구원 | Method and apparatus for providing a real time auction system and related game contents in a digital broadcasting environment |
US9699503B2 (en) | 2010-09-07 | 2017-07-04 | Opentv, Inc. | Smart playlist |
US10210160B2 (en) | 2010-09-07 | 2019-02-19 | Opentv, Inc. | Collecting data from different sources |
US8949871B2 (en) | 2010-09-08 | 2015-02-03 | Opentv, Inc. | Smart media selection based on viewer user presence |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5818441A (en) * | 1995-06-15 | 1998-10-06 | Intel Corporation | System and method for simulating two-way connectivity for one way data streams |
US5790201A (en) * | 1996-08-08 | 1998-08-04 | Antos; Jeffrey David | Television and computer capability integration |
US5889950A (en) * | 1996-12-20 | 1999-03-30 | Intel Corporation | Method and apparatus for distribution of broadcast data |
US5818935A (en) * | 1997-03-10 | 1998-10-06 | Maa; Chia-Yiu | Internet enhanced video system |
US6029045A (en) * | 1997-12-09 | 2000-02-22 | Cogent Technology, Inc. | System and method for inserting local content into programming content |
-
2000
- 2000-03-25 AU AU39231/00A patent/AU3923100A/en not_active Abandoned
- 2000-03-25 CN CN00800412A patent/CN1297548A/en active Pending
- 2000-03-25 WO PCT/US2000/008010 patent/WO2000057295A1/en not_active Application Discontinuation
- 2000-03-25 JP JP2000607103A patent/JP2002540657A/en active Pending
- 2000-03-25 EP EP00918415A patent/EP1090356A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JP2002540657A (en) | 2002-11-26 |
EP1090356A1 (en) | 2001-04-11 |
WO2000057295A1 (en) | 2000-09-28 |
CN1297548A (en) | 2001-05-30 |
AU3923100A (en) | 2000-10-09 |
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