US20080305713A1 - Shadow Generation Apparatus and Method - Google Patents

Shadow Generation Apparatus and Method Download PDF

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Publication number
US20080305713A1
US20080305713A1 US12/096,812 US9681206A US2008305713A1 US 20080305713 A1 US20080305713 A1 US 20080305713A1 US 9681206 A US9681206 A US 9681206A US 2008305713 A1 US2008305713 A1 US 2008305713A1
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United States
Prior art keywords
shadow
real world
description
light source
generate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US12/096,812
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English (en)
Inventor
Hubertus Maria Rene Cortenraad
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ambx UK Ltd
Original Assignee
Koninklijke Philips Electronics NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Assigned to KONINKLIJKE PHILIPS ELECTRONICS N V reassignment KONINKLIJKE PHILIPS ELECTRONICS N V ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CORTENRAAD, HBERTUS MARIA RENE
Assigned to AMBX UK LIMITED reassignment AMBX UK LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KONINKLIJKE PHILIPS ELECTRONICS N.V.
Publication of US20080305713A1 publication Critical patent/US20080305713A1/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/25—Output arrangements for video game devices
    • A63F13/28—Output arrangements for video game devices responding to control signals received from the game device for affecting ambient conditions, e.g. for vibrating players' seats, activating scent dispensers or affecting temperature or light
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/25—Output arrangements for video game devices
    • A63F13/27—Output arrangements for video game devices characterised by a large display in a public venue, e.g. in a movie theatre, stadium or game arena
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/60—Generating or modifying game content before or while executing the game program, e.g. authoring tools specially adapted for game development or game-integrated level editor
    • A63F13/65—Generating or modifying game content before or while executing the game program, e.g. authoring tools specially adapted for game development or game-integrated level editor automatically by game devices or servers from real world data, e.g. measurement in live racing competition
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
    • A63F13/25—Output arrangements for video game devices
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
    • A63F2300/20—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterised by details of the game platform
    • A63F2300/203—Image generating hardware
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
    • A63F2300/30—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterized by output arrangements for receiving control signals generated by the game device
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
    • A63F2300/30—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterized by output arrangements for receiving control signals generated by the game device
    • A63F2300/302—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterized by output arrangements for receiving control signals generated by the game device specially adapted for receiving control signals not targeted to a display device or game input means, e.g. vibrating driver's seat, scent dispenser
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
    • A63F2300/60—Methods for processing data by generating or executing the game program
    • A63F2300/66—Methods for processing data by generating or executing the game program for rendering three dimensional images
    • A63F2300/6646—Methods for processing data by generating or executing the game program for rendering three dimensional images for the computation and display of the shadow of an object or character
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
    • A63F2300/60—Methods for processing data by generating or executing the game program
    • A63F2300/69—Involving elements of the real world in the game world, e.g. measurement in live races, real video
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
    • A63F2300/80—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game specially adapted for executing a specific type of game
    • A63F2300/8023—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game specially adapted for executing a specific type of game the game being played by multiple players at a common site, e.g. in an arena, theatre, shopping mall using a large public display

Definitions

  • This invention relates to apparatus and a method for providing real world visual cues to a user.
  • this invention relates to apparatus adapted to deliver shadow effects in a room to enhance a gaming experience.
  • the invention has particular, but not exclusive, application to computer gaming and home theatre systems.
  • Patent application WO 02/092183 describes a real world representation system and language in which a set of devices are operated according to a received real world description and hence render the real world experience to the user.
  • the devices may output visible color tones and luminance onto the walls of a private dwelling in dependence on the received description.
  • the description may be embedded or provided with a broadcast signal thereby linking the description to audio/visual content within the broadcast.
  • an ambient immersive environment is created, which is flexible, scalable and provides an enhanced experience to a user.
  • Patent application WO 02/092182 in particular describes the application of the concepts described in WO 02/092183 in a gaming environment thereby rendering in the real world, in real time, effects related to the game world model displayed for example on a display. Effects such as lighting levels, (relative/absolute, moods, colors, position, focus) and mood—emotional, ambient, animated and so on are disclosed.
  • the real-world description reads ⁇ FOREST>, ⁇ SUMMER>, ⁇ EVENING>, which is interpreted into specific instructions relating to the color tones and luminance level required, such as a color tone of a pleasant green and the light level low but warm.
  • ⁇ FOREST> ⁇ SUMMER>
  • ⁇ EVENING> which is interpreted into specific instructions relating to the color tones and luminance level required, such as a color tone of a pleasant green and the light level low but warm.
  • Shadows for virtual objects in accordance with virtual lighting conditions within a virtual environment such as a displayed computer game, as described in EP0948978. Such shadows provide a visual cue as to the virtual position of the object in the virtual world to the game player. Such shadows also serve to reinforce the perceived “presence” of an object in a virtual world.
  • apparatus for projecting a shadow related to a virtual object present in a virtual world, onto a real world surface comprising a light source, receiving means for receiving a real world description, and shadow generation control means which control the light source to generate a shadow for projection onto the real world surface in dependence on the received real world description.
  • a method for providing a real world shadow effect related to a virtual object comprising receiving a real world description in the form of an instruction set of a markup language, and controlling a light source to generate a shadow in dependence on the received real world description.
  • a monster located “behind” the game character in the game world may cast a shadow onto the real wall in front or to the side of the user, thereby alerting the user controlling the game character that something nasty is “behind” him.
  • an aeroplane flying overhead in a movie or game may cast a shadow onto the floor or across a wall in front of the user.
  • the game may have the real world description encoded within it to provide to the shadow apparatus, or a software engine or browser such as that described in WO 02/092182 may analyze the game world and objects therein and hence provide the real world description to the apparatus.
  • a broadcast may provide the real world description in addition to the audio/video stream, or the video stream may be analyzed as described in WO 02/092182.
  • the shadow effect is generated by apparatus comprising a small array of light emitting diodes with suitable lens for projection.
  • apparatus in the form of a liquid crystal display projector is provided with control means to generate a shadow effect in dependence on the real world description.
  • FIG. 1 is a schematic perspective view of a real world representation system including shadow generating apparatus
  • FIG. 2 shows example set up views of the system
  • FIG. 3 illustrates an embodiment of shadow generating apparatus in operation
  • FIG. 4 illustrates another embodiment of shadow generating apparatus in operation
  • FIG. 5 illustrates a low resolution shadow moving from left to right.
  • FIG. 1 illustrates a real world representation system comprising a set of devices including a computer with display device 10 , audio speakers 12 , a lighting device 14 , a heating device 16 , walls 18 , floor 20 . These devices together contribute to make up the ambient environment, each device being arranged to provide one or more real-world parameters. For example, the lighting device 14 contributes color tones as well as to the luminance level.
  • the devices may be electronic or they may be purely mechanical.
  • the devices are interconnected by either a wireless network or a wired network such as a powerline carrier network. Of course the environment may include normal furniture 22 .
  • the computer may be a so-called “media-PC” enabling computing, gaming and audio/video home theatre applications.
  • At least one of the devices making up the real-world representation system is arranged to receive a real-world description in the form of an instruction set of a markup language, the devices being operated according to said description.
  • this description augments a computer game that a user is playing on computer 10 .
  • a description generated by computer 10 is transmitted to the devices in the system. The devices then render this description onto the real world environment of FIG. 1 .
  • the system also includes shadow generating apparatus 24 (shown in more detail in FIGS. 2 , 3 and 4 ) which is real world markup language enabled, and hence serves to increase the functionality of the real-world representation system.
  • a user would purchase the shadow generating apparatus 24 to improve their enjoyment of, for example, a game that includes a real world description in the form of an instruction set of a markup language.
  • the shadow generating apparatus 24 is arranged to provide extra functionality to a game in response to the received instruction set.
  • FIGS. 2 a and 2 b illustrate by way of example two possible arrangements for the shadow generation apparatus 24 in the real world environment.
  • the apparatus 24 comprises a light source 26 and receiving means 28 for receiving a real-world description in the form of an instruction set of a markup language via the wired or wireless network mentioned above.
  • the apparatus further comprises shadow generation control means 30 for controlling the apparatus to generate a shadow 34 for projection via light source 26 in response to a received instruction.
  • the apparatus 24 may comprise a liquid crystal based projector with control means 30 in the form of a computer program and processor with a software device driver.
  • the apparatus 24 may comprise a relatively inexpensive light emitting diode array provided with suitable lenses and control means in the form of a processor and software device driver.
  • FIG. 2 a illustrates apparatus 24 arranged behind the user who is playing a game on computer 10 .
  • the apparatus may be ceiling or wall mounted.
  • an enemy or monster is creeping up to the user controlled game character in the gameworld of computer 10 .
  • the apparatus operates according to the following example method. It receives via 28 a real world description in the form of a mark-up language, for example ⁇ shadow> ⁇ middle>.
  • Control means 30 controls light source 26 to prevent light output in middle region 34 therefore causing a shadow 34 to be displayed on the wall in front of the user, providing a peripheral visual cue in the form of a shadow to the user that something is directly behind the character in the game world.
  • Other instructions relating to the relative size and position of the shadow may be received thereby creating a dynamic shadow effect for the user.
  • a template of shadow shapes associated with the real world description may be utilized in the controlling of the light source to generate the shadow effect (see FIG. 5 ).
  • FIG. 2 b illustrates the apparatus 24 positioned in front of the user whilst still projecting a shadow 34 onto the wall 18 .
  • the apparatus may be relatively portable and may sit on a table or desk beside or behind the user, depending on the relative distances involved in the users ambient experience enabled environment.
  • FIG. 3 shows in more detail an embodiment of apparatus 24 .
  • the apparatus comprises a light source 26 comprising an individually addressable array of individually addressable light emitting diodes (LED), of which only four are shown for clarity in the Figure.
  • Each LED 26 a - d has a respective associated lens 40 for projection, such as a fresnel lens.
  • Control means 30 receives instruction via means 28 (here shown as a wireless antenna by way of example) and causes some of the LEDs to be switched off, or at a low light intensity level, whilst others are switched on to emit light.
  • LED 26 a and LED 26 d are on and emitting light 42
  • LED 26 b and 26 c are switched off creating a shadow 34 on wall 18 .
  • the low resolution requirements enable a small and inexpensive LED array to be used, such as a 10—10 array up to say 100 ⁇ 100 LEDs for example.
  • a small and inexpensive LED array such as a 10—10 array up to say 100 ⁇ 100 LEDs for example.
  • reasonably inexpensive, and portable shadow generation apparatus may be obtained.
  • FIG. 4 illustrates apparatus 24 in which a liquid crystal display (LCD) projector supplied with control means 30 is utilized.
  • the liquid crystal display 44 comprises many pixels of which only five are shown schematically in the Figure for clarity.
  • Control means 30 drives the display so that some pixels 44 a , 44 b emit light whilst some pixels 44 c , 44 d , 44 e block light causing a shadow region 34 on wall 18 .
  • the control means 30 in this embodiment may be provided within the apparatus 24 , and may be in the form of a computer program and software device driver which receives the real world description, interprets it and controls the data written onto the LCD for output.
  • the computer 10 may directly drive the LCD for output.
  • more complex geometric shadow shapes may be displayed by such apparatus, although as mentioned previously such shadows need not be sharp with detailed edges for the immersion effect to operate.
  • the description of the real-world experiences including shadow information relating to a virtual object in a game or video world is provided by a markup language that communicates a description of physical environments and the objects within them, their relationship to the user, each other and to the physical space.
  • the instruction set of the markup language is interpreted by a device or devices to render the experience.
  • FIG. 5 illustrates a moving projected low resolution shadow 34 on the wall 18 representing perhaps a monster in the game world.
  • Parts a, b and c of the Figure illustrate how the shadow may appear to move from left (a) to the middle (b) to the right (c) edge of the wall in response to the received real world description.
  • the tiles in each part of the Figure represents the output of an LED for example, or of an area of a liquid crystal display and hence illustrates how a low resolution shadow may be generated and yet still appear convincing.
  • a template of such shadows may be provided either within the device or loaded into computer 10 , thereby keeping processing and computing requirements to a reasonable level in contrast with the real time generation of game world shadows appreciated by those skilled in the art.
  • a display enabled real world surface for example a wall screen or a wall with a large display built into it
  • this embodiment has a disadvantage in that the positioning of the computer 10 will be dictated by the non-portable fixed real world display surface for shadow effects.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Processing Or Creating Images (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Projection Apparatus (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
US12/096,812 2005-12-16 2006-11-28 Shadow Generation Apparatus and Method Abandoned US20080305713A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP05112343 2005-12-16
EP05112343.8 2005-12-16
PCT/IB2006/054478 WO2007069112A1 (en) 2005-12-16 2006-11-28 Shadow generation apparatus and method

Publications (1)

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US20080305713A1 true US20080305713A1 (en) 2008-12-11

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US12/096,812 Abandoned US20080305713A1 (en) 2005-12-16 2006-11-28 Shadow Generation Apparatus and Method

Country Status (7)

Country Link
US (1) US20080305713A1 (zh)
EP (1) EP1962980A1 (zh)
JP (1) JP2009519073A (zh)
KR (1) KR20080080640A (zh)
CN (1) CN101330947B (zh)
TW (1) TW200800345A (zh)
WO (1) WO2007069112A1 (zh)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090280896A1 (en) * 2006-06-19 2009-11-12 Ambx Uk Limited Game enhancer
US20100214135A1 (en) * 2009-02-26 2010-08-26 Microsoft Corporation Dynamic rear-projected user interface
WO2017116673A1 (en) * 2015-12-29 2017-07-06 Sony Corporation Apparatus and method for shadow generation of embedded objects
US9734633B2 (en) 2012-01-27 2017-08-15 Microsoft Technology Licensing, Llc Virtual environment generating system
US10891920B2 (en) 2018-08-15 2021-01-12 Au Optronics Corporation Scenario projection system and controlling method thereof
US11347466B2 (en) * 2017-08-14 2022-05-31 Imax Theatres International Limited Wireless content delivery for a tiled LED display

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050117132A1 (en) * 2003-12-01 2005-06-02 Eastman Kodak Company Laser projector having silhouette blanking for objects in the output light path
US20070046898A1 (en) * 2005-08-29 2007-03-01 3M Innovative Properties Company Illumination system and projection system incorporating same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2976963B2 (ja) * 1998-03-19 1999-11-10 コナミ株式会社 画像作成装置、画像作成方法、画像作成プログラムが記録された可読記録媒体およびビデオゲーム装置
GB0111431D0 (en) * 2001-05-11 2001-07-04 Koninkl Philips Electronics Nv A real-world representation system and language
EP1401547B1 (en) * 2001-05-11 2012-01-25 AMBX UK Limited Operation of a set of devices

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050117132A1 (en) * 2003-12-01 2005-06-02 Eastman Kodak Company Laser projector having silhouette blanking for objects in the output light path
US20070046898A1 (en) * 2005-08-29 2007-03-01 3M Innovative Properties Company Illumination system and projection system incorporating same

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090280896A1 (en) * 2006-06-19 2009-11-12 Ambx Uk Limited Game enhancer
US8376844B2 (en) * 2006-06-19 2013-02-19 Ambx Uk Limited Game enhancer
US20100214135A1 (en) * 2009-02-26 2010-08-26 Microsoft Corporation Dynamic rear-projected user interface
US9734633B2 (en) 2012-01-27 2017-08-15 Microsoft Technology Licensing, Llc Virtual environment generating system
WO2017116673A1 (en) * 2015-12-29 2017-07-06 Sony Corporation Apparatus and method for shadow generation of embedded objects
US9710934B1 (en) 2015-12-29 2017-07-18 Sony Corporation Apparatus and method for shadow generation of embedded objects
US11347466B2 (en) * 2017-08-14 2022-05-31 Imax Theatres International Limited Wireless content delivery for a tiled LED display
US10891920B2 (en) 2018-08-15 2021-01-12 Au Optronics Corporation Scenario projection system and controlling method thereof

Also Published As

Publication number Publication date
CN101330947A (zh) 2008-12-24
CN101330947B (zh) 2012-04-25
EP1962980A1 (en) 2008-09-03
KR20080080640A (ko) 2008-09-04
WO2007069112A1 (en) 2007-06-21
TW200800345A (en) 2008-01-01
JP2009519073A (ja) 2009-05-14

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