WO2008135894A1 - Method and system for automatically verifying the possibility of rendering a lighting atmosphere from an abstract description - Google Patents
Method and system for automatically verifying the possibility of rendering a lighting atmosphere from an abstract description Download PDFInfo
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- WO2008135894A1 WO2008135894A1 PCT/IB2008/051624 IB2008051624W WO2008135894A1 WO 2008135894 A1 WO2008135894 A1 WO 2008135894A1 IB 2008051624 W IB2008051624 W IB 2008051624W WO 2008135894 A1 WO2008135894 A1 WO 2008135894A1
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- light
- lighting
- infrastructure
- atmosphere
- capabilities
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/155—Coordinated control of two or more light sources
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
Definitions
- the invention relates to automatically verifying the possibility of rendering a lighting atmosphere from an abstract description, for example from a lighting atmosphere specified in XML (Extensible Markup Language) independent of a specific lighting infrastructure and of a room layout.
- XML Extensible Markup Language
- Current lighting systems in commercial environments and homes have a rather fixed setup.
- Light systems in theatres and discos have lots of dynamics, but this is mostly programmed and the scripts are specific for the light system.
- light atmospheres may be created from scripts which describe the static and dynamic elements of a lighting atmosphere, created by a variety of colored and white light units, but are independent of the specific lighting infrastructure. These scripts should cover a wide range of possible lighting systems.
- the system independent light script or abstract description of a lighting atmosphere can be automatically rendered to a target environment.
- the desired light effects and light settings have to be created. This can be done by splitting up the light script into parts that are related to semantic areas (locations in the target environment). Light units in the semantic areas are selected to realize the effects and control values for these lamps have to be determined.
- a basic idea of the invention is to create for each addressable light unit of a light infrastructure a so called light infrastructure capability that generally describes the effect, measures the maximum possible effect and relates the effect to a location in a semantic area of a target environment.
- a light infrastructure capability may help to detect in an early stage of rendering a certain lighting atmosphere from an abstract description whether rendering is possible or not.
- Individual light infrastructure capabilities may be clustered together, based on the light effect they generate, for example ambient, spot light or wall wash, and based on the location in the semantic areas. This allows creating light infrastructure capabilities for parts of semantic areas of a lighting infrastructure.
- light infrastructure capabilities may be clustered towards the semantic areas, so that they describe the lighting possibilities in the semantic areas.
- a light infrastructure capability may be used in the process of automatically rendering a certain lighting atmosphere from an abstract description in order to describe the lighting possibilities in semantic areas and makes it possible to give an early feedback of the possibility of rendering the certain lighting atmosphere in a certain lighting infrastructure.
- the concept of light infrastructure capabilities as described herein is closely connected with the concept of light element templates as described in the European patent application no. 06127084.9 of the applicant.
- a light element template contains an indication of the possibilities of the lighting infrastructure at a certain semantic location, for example in a shop or a home in which the lighting infrastructure is provided.
- a light element template is a higher abstraction level of the possibilities in a lighting infrastructure than the light infrastructure capabilities which are more closely related to the individual lighting possibilities in a lighting infrastructure such as the light type, intensity range, the light effect and location of light effects of a specific light unit of a lighting infrastructure.
- the light infrastructure capabilities which are more closely related to the individual lighting possibilities in a lighting infrastructure such as the light type, intensity range, the light effect and location of light effects of a specific light unit of a lighting infrastructure.
- lighting atmosphere means a combination of different lighting parameters such as intensities of different spectral components of lighting, the colors or spectral components contained in a lighting, the color gradient or the like.
- abtract description of a lighting atmosphere means a description of the atmosphere at a higher level of abstraction than a description of settings of the intensity, color or like of every individual lighting device or unit of a lighting infrastructure.
- the term "lighting infrastructure” means a concrete implementation of a lighting system in a specific environment or room, for example a specific instance of a lighting system applied to a certain shop, hotel lobby, or restaurant.
- the term "lighting infrastructure” comprises a complex system for illumination, particularly containing several lighting units, for example a plurality of LEDs (light emitting diodes) or other lighting devices such as halogen bulbs.
- a lighting infrastructure applies several tens to hundreds of these lighting devices so that the composition of a certain lighting atmosphere by individually controlling the characteristics of each single lighting device would require computerized lighting control equipment.
- a method for automatically verifying the possibility of rendering a lighting atmosphere from an abstract description is provided, wherein the method comprises the following characteristic features:
- a light infrastructure capability describes light type, intensity range, the light effects and location of the effects of a certain light unit of the lighting infrastructure on a target environment, - automatically processing the received light infrastructure capabilities, and
- the method may further comprise the step of automatically creating a light infrastructure capability for every individually addressable light unit of the lighting infrastructure.
- a light infrastructure capability for an individually addressable light unit may be created by a light unit controller of the light infrastructure which provides a description of its control interface and announces the controlled light units.
- a light infrastructure capability for an individually addressable light unit may also be created by means of a calibration, particularly a dark room calibration, where the effect of specific control sets is executed on the light unit and the effect of the controlled light unit is measured by cameras and/or sensors.
- the step of automatically processing the received light infrastructure capabilities comprises clustering several light infrastructure capabilities into larger groups of light infrastructure capabilities according to certain criteria. By clustering light infrastructure capabilities, the number of light infrastructure capabilities to be automatically processed may be decreased. For clustering, one or more of the following criteria may be used: - light units of the same type,
- the step of automatically processing the received light infrastructure capabilities may comprise
- a light element template contains an indication of the possibilities of the lighting infrastructure at a certain semantic location of a lighting infrastructure, and - comparing the created light element templates with the light elements of the abstract description.
- the light element templates may be created as described and disclosed in detail in the European patent application no. 06127084.9 of the applicant.
- the usage of light element templates makes the automatic processing of the light infrastructure capabilities easier since only a comparison step is required in order to determine whether a light effect described in the abstract description may be rendered in the target lighting environment.
- the method may comprise the further step of automatically making information on available light units of the lighting infrastructure and their capabilities available in a network environment by means of a service and device discovery mechanism.
- the method may further comprise the steps of
- the client may be a personal computer at home, for example accessing a website offering lighting atmospheres for buying.
- a user may select a desired lighting atmosphere on the website.
- the personal computer of the user may transmit the infrastructure capabilities of the home lighting infrastructure to the server, for example after the user has clicked on a certain button of the website.
- the infrastructure capabilities may either entered manually in the personal computer or automatically by communicating with the light units of the home lighting infrastructure assuming the light units and the personal computer are connected via a home network, for example a LAN (Local Area Network) or WLAN (wireless LAN) or PAN (Personal Area Network).
- LAN Local Area Network
- WLAN wireless LAN
- PAN Personal Area Network
- the client may also retrieve the light infrastructure capabilities which may be stored in a lighting controller of the lighting infrastructure or in each light unit.
- the received infrastructure capabilities may then be automatically processed, particularly by clustering several light infrastructure capabilities, creating light element templates from the clustered light infrastructure capabilities, and finally comparing the created light element templates with the light elements of the abstract description of the selected lighting atmosphere.
- the processing result may be transmitted from the server to the client.
- the result of the processing i.e. whether rendering the selected lighting atmosphere from the abstract description is possible or not, may be displayed on the monitor of the personal computer of the client.
- a user may quickly and reliably determine whether a desired lighting atmosphere offered for buying may be rendered with her/his own home lighting infrastructure.
- the light infrastructure capabilities may be electronically received over a network connection with a lighting controller of a lighting infrastructure.
- a computer program is provided, wherein the computer program may be enabled to carry out the method according to the invention when executed by a computer.
- a record carrier such as a CD-ROM, DVD, memory card, floppy disk or similar storage medium may be provided for storing a computer program according to the invention.
- a further embodiment of the invention provides a computer which may be programmed to perform a method according to the invention.
- the computer may comprise an interface for communication with a lighting infrastructure.
- the communication may be for example performed over wire line or wireless communication connections between the interface and the lighting infrastructure.
- the interface may comprise a radio frequency (RF) communication module such as a WLAN and/or Bluetooth® and/or ZigBee module which may establish a communication connection with respective counterparts of the lighting infrastructure.
- RF radio frequency
- a system for automatically verifying the possibility of rendering a lighting atmosphere from an abstract description comprises the following features:
- - receiving means for electronically receiving light infrastructure capabilities of a lighting infrastructure, wherein a light infrastructure capability describes light type, intensity range, light effects and location of the effects of a certain light unit of the lighting infrastructure on a target environment,
- - processing means for automatically processing the received light infrastructure capabilities
- - signaling means for signaling whether rendering the lighting atmosphere from the abstract description is possible or not.
- the verification module may be implemented as a computer program executed by a computer.
- the computer may comprise a communication module comprising the receiving means.
- Fig. 1 shows a flow diagram of an embodiment of a method for composing a lighting atmosphere in a shop from an abstract description of the lighting atmosphere according to the invention
- Fig. 2A to 2C show a XML file as an embodiment of an abstract atmosphere description according to the invention, wherein the file contains an abstract description of a lighting atmosphere in a shop;
- Fig. 3 shows an example of a floor plan with light units and semantic areas
- Fig. 4 shows the application of lighting infrastructure capabilities and their clustering for a light element template generation in a process of automatically rendering a certain lighting atmosphere from an abstract description
- Fig. 5 shows a flowchart of an embodiment of the method for automatically verifying the possibility of rendering a lighting atmosphere from an abstract description according to the invention
- Fig. 6 shows the layout of a shop instance with different semantic areas which are classified using area types according to the invention.
- Fig. 7 shows an embodiment of a system for automatically verifying the possibility of rendering a lighting atmosphere from an abstract description according to the invention
- Fig. 8 shows an embodiment of a system for creating a lighting atmosphere from an abstract atmosphere description according to the invention, wherein the abstract description is stored on a server computer in the internet for downloading.
- the terms "lighting device”, “lighting unit”, “light unit”, and “lamp” are used as synonyms. These terms mean herein any kind of electrically controllable lighting device such as a semiconductor-based illumination unit such as a LED, a halogen bulb, a fluorescent lamp, a light bulb. Furthermore, (functional) similar or identical elements in the drawings may be denoted with the same reference numerals.
- FIG. 1 An overview of a flow of a method for composing a lighting atmosphere from an abstract description for a shop is depicted in Fig. 1.
- GUI graphical user interface
- an abstract atmosphere description 10 is created (in Fig. 1 also denoted as ab atmos desc).
- the abstract atmosphere description can also be generated from one of the interaction methods depicted at the bottom of Fig. 1.
- the abstract description 10 merely contains descriptions of lighting effects at certain semantic locations at certain semantic times/occasions. The lighting effects are described by the type of light with certain parameters.
- the abstract description 10 is shop layout and lighting system independent. Thus, it may be created by a lighting designer without knowledge about a specific lighting system and lighting environment such as a room layout.
- the designer must know only semantic locations of the lighting environment, for example "cash register” or "shoe box 1", “shoe box 2", “changing cubicle”, “coat stand” in a shoe or fashion shop.
- a GUI for creating the abstract description 10
- it may be for example possible to load a shop layout template containing the semantic locations.
- the designer can create the lighting effects and the atmosphere by for example drag and drop technology from a palette of available lighting devices.
- the output of the computer program with the GUI may be a XML file containing the abstract description 10.
- An example of an XML file containing such an abstract atmosphere description is shown in Fig. 2A to 2C.
- elements of the light atmosphere description are linked to semantic (functional) locations in the shop.
- Fig. 2A to 2C An example of an XML file containing such an abstract atmosphere description.
- the semantic locations are introduced by the attribute "areaselector".
- the lighting atmosphere at this semantic location is introduced by the tag name "lighteffecttype”.
- the type of light with lighting parameters is described by the tag names “ambient”, “accent”, “architectural” and “wallwash”, as picture by using the tag names “architectural” and “picturewallwash”, or as a lightdistribution.
- the shown picture is specified by the attribute "pngf ⁇ le” and its intensity.
- Rendering 16 the atmosphere model 20 to a target 22 In the rendering stage, all dynamics, time dependencies and sensor dependencies are removed from the atmosphere model 20. As such, the render stage creates a snapshot of the light atmosphere at a certain point in time and given sensor readings at that point in time. The output of the render stage is called the target 22.
- the target 22 can consist of one or more view points and per view point a color distribution, an intensity distribution, a CRI (Color Rendering Index) distribution, ...
- the mapping stage converts the target 22 into actual lamp control values 24 ⁇ lamp settings).
- the mapping loop requires: a. Descriptions of the lamps 26 available in the lighting system, like the type of lamp, color space, ... b. The so-called atomic effects 26 which describe which lamp contributes in what way to the lighting of a certain physical location.
- the mapping loop 18 uses an algorithm to control the light units or lamps, respectively, in such a way that the generated light differs as little as possible from the target 22.
- Various control algorithms can be used, like classical optimization, neural networks, genetic algorithms etc.
- the mapping process 18 receives a target light "scene" from the rendering process 16.
- the mapping process 18 needs to know which lamps contribute in what way to the lighting of a certain physical location. This is done by introducing sensors, which can measure the effects of a lighting device or lamp, respectively, in the environment. Typical sensors are photodiodes adapted for measuring the lighting intensity, but also cameras (still picture, video) may be considered as specific examples of such sensors.
- a mechanism that enables verification of how well a light atmosphere can be rendered in a specific shop chain or home in a scalable and meaningful way is proposed as will be explained in the following in detail.
- Fig. 3 an example of a floor plan with light units of a certain lighting system is given. Five TL's 30, 32, 34, 36, 38 (A), three spotlights 40, 42, 44 (S) and two wall washers 46, 48 (W) are present.
- the RGB-wall washers 46 and 48 are individually addressable, and color the upper and lower part of a wall.
- the three spotlights 40, 42 and 44 are individually addressable.
- Three TL's 30, 32 and 34 are grouped as one light unit 50, the other two 36 and 38 are individually addressable.
- Three different semantic areas are indicated by reference numerals 52, 54 and 56.
- a light management system In order to give an early feedback of whether a certain lighting atmosphere may be rendered in this lighting system, a light management system has to find or create knowledge on the lighting infrastructure. In order to make an early feedback possible, light infrastructure capabilities are created for every individually addressable light unit.
- a light infrastructure capability is created for each individually addressable light unit of the lighting system and describes the light type, intensity range, light effects and location of the effects on the environment. This can be done in (a combination of) several ways: - Announcement of individual light units, light unit controllers that provide a description of their control interfaces.
- FIG. 4 shows how light infrastructure capabilities of the single light units
- the light infrastructure capabilities LiCap Al -A3 for the light units 30, 32, 34, 36, 38, 40, 42, 44, 46, and 48 may be clustered for the process of automatically rendering a lighting atmosphere with a certain lighting system from an abstract description.
- the light infrastructure capabilities LiCap Al -A3 for the light units 30, 32, 34, 36, 38, S1-S3 for the light units 40, 42, 44, and "W top” and “W bot” for the light units 46 and 48, respectively, are clustered into larger groups of light infrastructure capabilities, and several criteria are used for this clustering: Light units of the same type.
- the three TL's 30, 32, and 34 form a single light unit 50 with a single light infrastructure capability LiCap Al .
- the spot lights 40, 42, and 44 and TL's 36 and 38 are clustered first to light infrastructure capabilities LiCap S and LiCap A4, respectively. Then the light infrastructure capabilities of these light units 36, 38, 40, 42, 44 are clustered to one light infrastructure capability LiCap A for the semantic area 54.
- This light infrastructure capability results in a lighting possibility for the area 54.
- the wall washers 46 and 48 are individually addressable. They are of the same type and have an effect in adjacent locations of an area 56. They are clustered into another light infrastructure capability LiCap W which describes an RGB Wallwash effect with top-bottom gradient possibilities. From these lighting infrastructure capabilities or possibilities LiCap Al,
- LiCap A and LiCap W light element templates LTl, LT2, and LT3, respectively, may be created as described in the European patent application no. 06127084.9 of the applicant. These light element templates may then be further processed by a light management system which renders the lighting atmosphere from the abstract description.
- a light element template is an indication of the possibilities of the lighting infrastructure at a certain (semantic) location in the shop or home. For every type of light effect, a different light element template will be created. In the following, the light element templates and their function is explained in detail.
- Fig. 6 depicts the layout of a shop instance with several lighting areas 1 to
- the different areas area 1 to area 7 are classified using area types ATI to AT5.
- the lighting possibilities for the different areas 1 to 7 in e.g. a shop can be
- the area selector is an indication of the semantic area in the shop or home. It may consist of one or more area types.
- the area selector AT2/AT5 refers to all areas with type AT 5, which are a subarea of the areas with type AT2
- light element templates may be generated. All light element templates for the shop instance of Fig. 6 are as follows:
- the light element templates for the area selectors AT4 and AT5 are removed, as these do not occur 'individually' in the shop, but only in the combination AT1/AT4 and AT2/AT5.
- the abstract light atmosphere made by a light designer, is specified in abstract light elements. For example:
- step SlO light infrastructure capabilities are electronically received, for example from a light system controller via a computer network such as the internet, by a computer system configured to perform the verification process.
- step S 12 the received light infrastructure capabilities are clustered into larger groups of light infrastructure capabilities according to their effects in different semantic areas.
- step S 14 light element templates are created from the clustered light infrastructure capabilities, particularly as described above, and compared with the light elements of an abstract description of a lighting atmosphere.
- step S 16 it is checked whether rendering the lighting atmosphere in the lighting infrastructure of the shop instance and as represented by the received light element templates is possible or not. If the rendering is possible, this is signaled for example to a user or to a system for automatically configuring the lighting infrastructure in order to create the desired lighting atmosphere in a step S 18. Otherwise, it is signaled that the rendering is not possible in a step S20.
- Fig. 7 depicts a system 60 for automatically verifying the possibility of rendering a lighting atmosphere from an abstract description, which offers two possibilities to verify the light atmosphere on how well it can be rendered:
- the light infrastructure capabilities of the light infrastructure of the individual shops 70, 72 and 74 are collected and can be clustered to light infrastructure capabilities of groups of lamps by the local clustering modules 80, 82 and 84.
- an atmosphere designer creates lighting atmospheres for the shops of the chain using a design tool 62.
- the design tool 62 receives the shop definitions as additional input to the designer's inputs for designing the lighting atmosphere.
- the verification system 60 comprises a collection and clustering module 68 for collecting the (clustered) light infrastructure capabilities from the lighting systems 70, 72 and 74 of the different shops of the chain, a light element template generator 69 for creating the light element templates for the lighting systems 70, 72 and 74 from their (clustered) light infrastructure capabilities, a calculation module 66 for calculating the aggregated light element templates for the chain of shops with lighting systems 70, 72 and 74 and a verification tool 64
- the collection and clustering module 68 receives the light infrastructure capabilities of the different lighting systems 70, 72 and 74. For every lighting system, it clusters them further into light infrastructure capabilities of groups of lights, according to one or more of the earlier mentioned criteria.
- the light element template generator 69 uses the light infrastructure capabilities of the individual lighting systems to derive light element templates of the lighting systems 70, 72 and 74 When the designer has finished designing a certain lighting atmosphere and created the abstract description of the lighting atmosphere which may be automatically created by the design tool 62, she/he may initiate the verification process according to the invention by clicking for example on a verification button of the design tool 62.
- the design tool 62 then triggers the verification tool 64 which receives the abstract description from the design tool 62 and either receives the aggregated light element templates from the calculation module 66 and compares them with the abstract description for performing a verification for all shops. or it receives the generated light templates of the individual shops from the light element template generator 69 and compares them with the abstract description for performing a verification on the shop instance level
- the verification tool 64 then indicates how well the atmosphere may be rendered in all shops or in the shops individually.
- the result of the verification is displayed on a monitor of the designer's computer so that the designer may next decide whether the abstract atmosphere description is transmitted to the lighting systems 70, 72 and 74 of the different shops of the chain.
- this invention can also be used by consumers that intend to buy light atmospheres for e.g. their home.
- the light atmosphere is verified against the light element templates created from the light infrastructure capabilities of the home in question. If the light atmosphere is not realizable for certain area selectors, feedback to the user should be provided in a clear and concrete way. This implies that for rendering issues, the most specific area selector where the rendering issue occurs should be provided to the user.
- the indication to the user should be that wall washing is not possible in area AT2/AT5.
- Fig. 8 shows a system for creating a lighting atmosphere from an abstract atmosphere description in a user's home lighting infrastructure.
- the system comprises a user's PC 100.
- the PC 100 comprises an interface 102 for communication with a lighting system containing several lighting units 114.
- the interface 102 is adapted to communicate with the lighting units 114 via a communication bus 112 and RF communication connections 110.
- the PC 100 transmits control values or settings over the communication connections 110 and 112 to the lighting units 114 in order to adjust them, particularly their lighting intensities and colors.
- the PC 100 contains receiving means 104 such as a network adapter for receiving an abstract atmosphere description 10 from a server computer 108 over the internet 106.
- the server computer 108 also hosts a website for abstract lighting atmospheres. Thus, a user can access this website through her/his PC 100 and select a desired abstract lighting atmosphere. By clicking on a certain button on the website, the PC 100 may upload light infrastructure capabilities of the lighting units 114 of the user's home lighting system which are stored on the user's PC 100.
- the server computer 108 verifies whether rendering the desired lighting atmosphere in the user's lighting system is possible or not, for example as shown in Fig. 5.
- the result may be displayed by the website so that the user sees whether the desired lighting atmosphere may be rendered in her/his lighting system. Thereafter, the user may download the desired abstract description of the desired lighting atmosphere from the server computer 108 onto her/his PC 100, for example after paying the supplier of the abstract lighting atmospheres.
- the PC 100 may start to process the downloaded abstract atmosphere description 10.
- the downloaded abstract atmosphere description 10 is processed in the PC 100 in order to obtain a set of control values that may be communicated to the lighting units 114 over the connections 110 and 112 in order to implement the lighting atmosphere in the user's home lighting system.
- the invention can be applied to all situations where abstract light atmospheres are being made for a multitude of lighting infrastructures and/or room layouts.
- Target environments may be for example commercial environments (shops, hotels), home environments, outdoors lighting, and further complex lighting infrastructures.
- advice can also be given on what type of light units to add in which semantic area(s) in the shop/home, for example by displaying a respective user's help on a computer monitor.
- At least some of the functionality of the invention such as the process of verification may be performed by hard- or software.
- a single or multiple standard microprocessors or microcontrollers configuration may be used.
- the invention might be implemented by single or multiple algorithms.
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Image Generation (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP08738005A EP2147575A1 (en) | 2007-05-03 | 2008-04-28 | Method and system for automatically verifying the possibility of rendering a lighting atmosphere from an abstract description |
JP2010504963A JP5103520B2 (en) | 2007-05-03 | 2008-04-28 | Method and system for automatically verifying the possibility of rendering a lighting environment from an abstract description |
US12/598,222 US8346376B2 (en) | 2007-05-03 | 2008-04-28 | Method and system for automatically verifying the possibility of rendering a lighting atomosphere from an abstract description |
CN200880014667XA CN101675713B (en) | 2007-05-03 | 2008-04-28 | Method and system for automatically verifying the possibility of rendering a lighting atmosphere from an abstract description |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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EP07107415 | 2007-05-03 | ||
EP07107415.7 | 2007-05-03 |
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WO2008135894A1 true WO2008135894A1 (en) | 2008-11-13 |
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PCT/IB2008/051624 WO2008135894A1 (en) | 2007-05-03 | 2008-04-28 | Method and system for automatically verifying the possibility of rendering a lighting atmosphere from an abstract description |
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US (1) | US8346376B2 (en) |
EP (1) | EP2147575A1 (en) |
JP (1) | JP5103520B2 (en) |
KR (1) | KR20100017584A (en) |
CN (1) | CN101675713B (en) |
TW (1) | TW200904250A (en) |
WO (1) | WO2008135894A1 (en) |
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Also Published As
Publication number | Publication date |
---|---|
TW200904250A (en) | 2009-01-16 |
KR20100017584A (en) | 2010-02-16 |
JP2010526363A (en) | 2010-07-29 |
EP2147575A1 (en) | 2010-01-27 |
US20100134050A1 (en) | 2010-06-03 |
CN101675713B (en) | 2013-02-06 |
US8346376B2 (en) | 2013-01-01 |
JP5103520B2 (en) | 2012-12-19 |
CN101675713A (en) | 2010-03-17 |
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