WO2000057295A1 - Encoding hot spots in television signals - Google Patents
Encoding hot spots in television signals Download PDFInfo
- Publication number
- WO2000057295A1 WO2000057295A1 PCT/US2000/008010 US0008010W WO0057295A1 WO 2000057295 A1 WO2000057295 A1 WO 2000057295A1 US 0008010 W US0008010 W US 0008010W WO 0057295 A1 WO0057295 A1 WO 0057295A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- hot spot
- data
- television
- image frame
- spot data
- Prior art date
Links
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Classifications
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- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/858—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
- H04N21/8583—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot by creating hot-spots
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- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- 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 and
- 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 generally
- the television signal may be in progressive or interlaced formats designed for analog or digital television systems, and can
- NTSC N-Fi Protected Access
- PAL PAL
- ATSC ATSC
- SECAM SECAM
- 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-
- the user may select the hot
- 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 may encode
- a transaction enabler block enables a user to access the encoded vendor systems.
- One problem with including hot spot identification data in non-display portion is that 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, vendor
- Hot spot data may contain other information such as that
- hot spot data is encoded in the portions of the
- broadcasters according to broadcast conventions.
- the broadcast conventions are generally
- hot spot data is encoded in the display data portion of a television
- television signal image such as audio channel
- closed captioning portions can also be used to indicate whether closed captioning signals
- a transaction enabler block at a user's (or viewer's) end receives a television signal with
- the transaction enabler may provide a convenient
- the user interface to enable a user to access the vendor systems associated with each hot spot.
- the hot spot data can be sent to viewers of television programs without
- pixel data elements are minimized in accordance with the present invention.
- pixel data elements are minimized in accordance with the present invention.
- hot spot data is encoded closer
- 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 of
- a television system can access vendor systems, typically related to the advertisers. This is enabled by including access addresses in the portions of a television signal not typically altered by any intermediate broadcasters.
- the present invention ensures that hot spot data is available at user's end irrespective of
- the hot spot data is encoded in the portions of the television signals which are not altered by any intermediate broadcasters.
- the present invention minimizes any display distortions due to encoding hot spot data
- the hot spot data more towards the edges of image frames than towards the center.
- 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
- FIG. 3 is a block diagram illustrating a typical scenario in which the present invention
- Figure 4 is a block diagram illustrating the detail of a transaction enabler block in one
- Figure 5 is a flow-chart illustrating an example scheme of encoding hot spot data.
- the present invention enables data related to hot spots ("hot spot data”) to be transmitted
- hot spot data generally includes data identifying the portion
- Hot spot data may contain other types of information, for example, data identifying the advertisers,
- the hot spot data can be encoded in other portions of the television signals
- Display portion commonly refers to the portion of a television signal which
- portion generally separates successively encoded image frames (e.g., by using VSYNC), and
- the non-display portion is received during vertical retrace periods and horizontal retrace
- Figure 1 is a flow chart illustrating a method according to the present invention. In step
- a party (typically a broadcaster) purposes a scene for advertisement. Purposing generally
- step 120 the scene is captured on a medium (any recording medium), preferably in a
- the television signal may be any suitable for eventual transmission as a television signal.
- the television signal may be any suitable for eventual transmission as a television signal.
- the television signal may be any suitable for eventual transmission as a television signal.
- the television signal may be any suitable for eventual transmission as a television signal.
- the television signal may be any suitable for eventual transmission as a television signal.
- the television signal may be any suitable for eventual transmission as a television signal.
- 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 are
- broadcasters are not altered by intermediate broadcasters.
- broadcasters are well known in the relevant arts, broadcasters
- portions of a television signals may not be altered while rebroadcasting. As a result, the hot spot
- data may not be modified or deleted during rebroadcasts by intermediate broadcasters.
- the hot spot data is encoded in the display data portion of the captured
- encoding is performed by processing digital pixel data elements representing the
- the digital pixel data elements are readily available.
- the pixel data elements are readily available.
- the pixel data elements are readily available.
- 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 can be
- step 140 the television signal containing hot spots is transmitted.
- step 160 the 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 actuate
- a television signal and the user can be provided access to various vendor systems depending on
- Figure 2 depicts a sample image frame 200 having hot spots 210
- 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 to
- an advertisement identifier packet may be sent, with the packet
- An object identifier may uniquely identify each advertisement, the date and time field may
- advertizer identifier may uniquely specify an advertizer (e.g., IBM
- Control data may be used
- three advertisement identifier packets may be
- step 520 vendor system identification data associated with each hot spot area
- system identification data corresponds to an URL as is well known in the relevant arts. All the
- vendor system identification data is sent in a packet with an object identifier (3 bits) and an
- step 520 is described with reference to using web servers as vendor systems,
- vendor systems may include other types of systems, and the vendor system identification data
- a web access address (e.g., URL) may be
- hot spot 210 a web access address and telephone number (with a live operator)
- a telephone number (with a fax back service) may be associated with hot spot 220, and a telephone number (with a fax back service) may be associated with hot spot 220, and a telephone number (with a fax back service) may be
- hot spot identifier packets may be sent. Each hot spot identifier packet may
- each image may be
- Hot spot 220 may be identified by the used rectangle area.
- nine bits may be used for X coordinate and eight bits may be used for Y coordinate, and each packet
- the object identifier 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 spot
- An additional identifier packet may be sent each
- 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 correspond
- the movement may be characterized by a mathematical
- equation with the equation defining, for example, a piecewise linear trajectory.
- 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
- the image quality is not significantly degraded.
- Another embodiment may encode hot spot data across multiple frames if one frame is not sufficient to
- Yet another embodiment may use pixel positions in the image
- 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, and
- System 300 further includes transaction enabler
- 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
- the present invention takes advantage of the conventions and encodes the hot spot data in the television signal portions
- 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 used
- the resulting display signal may be stored in storage 360.
- Production block is preferably in a form suitable for eventual transmission as a television signal.
- 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
- authoring block 350 is the method of flow-charts 1 and 5 described above.
- authoring block 350 is the method of flow-charts 1 and 5 described above.
- storage 360 may be used as an
- 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 is
- error detection and correction can also be encoded according to one of several well-known
- Broadcast block 340 may broadcast television signals (containing the hot spot data in the
- the television signal can be in
- Production block and authoring block 350 need to be
- broadcaster end 380 generates television signals containing hot spot data in the display data
- television system 310 displays the images encoded in a
- transaction enabler As described below in further detail, transaction enabler
- Transaction enabler 330 may be included at any point in the television signal path
- transaction enabler 330 may be controlled from remote control unit 320
- remote control unit 320 is described below as interfacing with
- control transaction enabler 330 may be employed to control transaction enabler 330.
- a user may
- remote control unit 320 operates remote control unit 320 to access various vendor systems in accordance with the present
- Transaction enabler 330 decodes the hot spot data in the television signals received from
- broadcast block 340 and enables a user to access various vendor systems by actuating the hot
- transaction enabler 330 may need to have access to a web
- connection using connection 336 and /or telephone line using lines 335 In addition, transaction
- enabler 330 may need to generate new or supplemental image frames on line 331 for a
- transaction enabler 330 is described below in
- 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 the
- Image decoder 410 generates pixel data elements representing image frames encoded in
- image decoder 410 may store the pixel data elements representing an image frame in memory
- Image decoder 410 may be implemented in a known way.
- Memory 430 may represent
- the non-volatile memories may store data and program instructions which enable
- Recovery block 420 may examine the pixel data elements stored in memory 430 to
- recovery block 420 needs to be implemented consistent with any
- recovery block 420 may examine the least significant bit of each pixel data element to decode the hot spot data. 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 320,
- IR receiver 450 provides digital data representing the remote control signals to processor 450.
- 460 may be implemented in a known way. It may be noted that other receivers which receive
- control signals from viewers and provide corresponding digital data to processor 450 may be
- 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
- a user may utilize a conventional microphone for reproducing audible voice.
- a conventional microphone for reproducing audible voice.
- a user may utilize a conventional microphone for reproducing audible voice.
- 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 to
- processors For a suitable user-interface, processors
- 450 may control the images displayed on television system 110.
- images displayed on television system 110 As an illustration, when a user does not wish to use the advertisement information or when there is no vendor system
- processor 450 may control select line 481 to cause
- one of the lights 455 may be turned on
- 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 turned
- processor 450 may overlay the hot
- the display portions (typically containing objects) corresponding to hot spots may be
- transaction enabler 330 may display the associated vendor systems
- Transaction enabler 330 may provide the necessary connection
- transaction enabler 330 may need to
- 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 320.
- processor 450 may
- transaction enabler 330 may
- This browsing mechanism may
- transaction enabler 330 of Figure 3 enables a presently displayed advertisement to
- transaction enabler 330 may provide the web browsing support.
- hot spot data is not encoded it may be undesirable to alter the displayed images.
- transaction enabler 330 may alter the images to
- broadcaster end 380 and user end 390 need to be implemented with a
- authoring block 350 generates
- a 'code' is generated using a cyclic redundancy check (CRC) approach.
- the code is generated
- CRC circuit contained in transaction enabler 330.
- processor 450 may recover the hot spot data
- Processor 450 may include a CRC processor (either in hardware, software, firmware, or a
- 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
- processor 450 may assert line 481 to cause multiplexor 480 to select
- the selected signal may be used for display
- 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 access the
Landscapes
- 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 |
EP00918415A EP1090356A1 (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 |
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 true WO2000057295A1 (en) | 2000-09-28 |
WO2000057295A9 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) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002052855A2 (en) * | 2000-12-22 | 2002-07-04 | Koninklijke Philips Electronics N.V. | Embedding re-usable object-based product information in audiovisual programs for non-intrusive, viewer driven usage |
EP1241887A2 (en) * | 2000-12-26 | 2002-09-18 | Pioneer Corporation | System for serving information relating to broadcast video information |
WO2002073967A2 (en) * | 2001-03-13 | 2002-09-19 | Intellocity Usa, Inc. | Affinity marketing for interactive media systems |
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 |
US8949871B2 (en) | 2010-09-08 | 2015-02-03 | Opentv, Inc. | Smart media selection based on viewer user presence |
US10419817B2 (en) | 2010-09-07 | 2019-09-17 | Opentv, Inc. | Smart playlist |
US11074308B2 (en) | 2010-09-07 | 2021-07-27 | Opentv, Inc. | Collecting data from different sources |
Citations (5)
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US5790201A (en) * | 1996-08-08 | 1998-08-04 | Antos; Jeffrey David | Television and computer capability integration |
US5818935A (en) * | 1997-03-10 | 1998-10-06 | Maa; Chia-Yiu | Internet enhanced video system |
US5818441A (en) * | 1995-06-15 | 1998-10-06 | Intel Corporation | System and method for simulating two-way connectivity for one way data streams |
US5889950A (en) * | 1996-12-20 | 1999-03-30 | Intel Corporation | Method and apparatus for distribution of broadcast data |
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 JP JP2000607103A patent/JP2002540657A/en active Pending
- 2000-03-25 CN CN00800412A patent/CN1297548A/en active Pending
- 2000-03-25 EP EP00918415A patent/EP1090356A1/en not_active Withdrawn
- 2000-03-25 WO PCT/US2000/008010 patent/WO2000057295A1/en not_active Application Discontinuation
- 2000-03-25 AU AU39231/00A patent/AU3923100A/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002052855A3 (en) * | 2000-12-22 | 2003-03-13 | Koninkl Philips Electronics Nv | Embedding re-usable object-based product information in audiovisual programs for non-intrusive, viewer driven usage |
WO2002052855A2 (en) * | 2000-12-22 | 2002-07-04 | 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 |
EP1241887A2 (en) * | 2000-12-26 | 2002-09-18 | Pioneer Corporation | System for serving information relating to broadcast video information |
US7320135B2 (en) | 2000-12-26 | 2008-01-15 | Pioneer Corporation | System for serving information in relation to video information broadcasted on electric wave |
WO2002073967A2 (en) * | 2001-03-13 | 2002-09-19 | Intellocity Usa, Inc. | Affinity marketing for interactive media systems |
WO2002073967A3 (en) * | 2001-03-13 | 2003-11-13 | Intellocity Usa Inc | Affinity marketing for interactive media systems |
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 |
US10419817B2 (en) | 2010-09-07 | 2019-09-17 | Opentv, Inc. | Smart playlist |
US11074308B2 (en) | 2010-09-07 | 2021-07-27 | Opentv, Inc. | Collecting data from different sources |
US11593444B2 (en) | 2010-09-07 | 2023-02-28 | Opentv, Inc. | Collecting data from different sources |
US11843827B2 (en) | 2010-09-07 | 2023-12-12 | Opentv, Inc. | Smart playlist |
US8949871B2 (en) | 2010-09-08 | 2015-02-03 | Opentv, Inc. | Smart media selection based on viewer user presence |
US9800927B2 (en) | 2010-09-08 | 2017-10-24 | Opentv, Inc. | Smart media selection based on viewer user presence |
Also Published As
Publication number | Publication date |
---|---|
AU3923100A (en) | 2000-10-09 |
WO2000057295A9 (en) | 2001-11-15 |
CN1297548A (en) | 2001-05-30 |
EP1090356A1 (en) | 2001-04-11 |
JP2002540657A (en) | 2002-11-26 |
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