# US 8,788,098 B2 · Stochastic dynamic atmosphere > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,788,098 B2 - Document ID: US8788098B2 - Status: Granted - Kind: B2 - Application number: 12/991,728 - Filed: 2009-05-08 - Published: 2011-03-10 - Granted: 2014-07-22 - Earliest claimed: 2008-05-13 - Assignees: Koninklijke Philips N.V. - Applicants: Dragan Sekulovski; Ramon Antoine Wiro Clout; Bram Kater; Therese Jacoba Maria Overbeek - Inventors: Dragan Sekulovski; Ramon Antoine Wiro Clout; Bram Kater; Therese Jacoba Maria Overbeek - Web page: https://patentgrep.com/patent/US8788098B2 ## CPC - H05B 47/155: Coordinated control of two or more light sources - H05B 45/20: Controlling the colour of the light - G06F 18/23: Clustering techniques - H05B 47/105: in response to determined parameters - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract The invention concerns a lighting device for creating dynamic atmospheres, the lighting device comprising: a light source adapted to operate in a plurality of color states, the light source emitting differing colors for each color state; a controller for controlling the color state of the light source; the controller comprising a random generator to provide a transition between a previous and a subsequent state, wherein the controller is adapted to provide the transition based on probabilistic output provided by the random generator implementing a stochastic model, the probabilistic output depending on the previous color state. In addition, a method is provided for generating the stochastic model; and a method for creating dynamic atmospheres based on probabilistic output provided by the stochastic model. ## Claims ### Claim 1 A lighting device for creating dynamic atmospheres, said lighting device comprising: a light source adapted to operate in a plurality of color states, the light source emitting differing colors for each color state; a random generator; a controller for controlling the color state of the light source, the controller adapted to provide a transition between a previous and a subsequent color state based on a output provided by the random generator; a stochastic model defining transitions between subsequent states is implemented in the controller; wherein the controller is adapted to provide the transition between a previous and a subsequent color state such that, based on the outcome of the random generator and starting from a present color state, the controller is arranged to decide and control by the stochastic model which subsequent color state is realized based on the present color state; a multimedial output device driven by multimedial sources; a clustering circuit for clustering the multimedial output according to a predefined aspect; a computational circuit for computing a statistic on subsequent transitions between the clusters of the multimedial sources; a processing circuit for generating probability parameters associated with the computed statistic; and an output circuit for outputting the probability parameters to the random generator so as to implement the stochastic model. ### Claim 2 (depends on 1) The lighting device according to claim 1, wherein the transition regards a temporal color transition between previous and subsequent color states. ### Claim 3 (depends on 1) The lighting device according to claim 1, further comprising a presetting circuit, arranged to define a transition dynamic between a previous and a subsequent color state so that state transitions proceed according to the transition dynamic in a predefined manner. ### Claim 4 (depends on 1) The lighting device according to claim 1 further comprising a terminal for exchanging stochastic model parameters; transition dynamic parameters and/or color state parameters. ### Claim 5 (depends on 1) The lighting device according to claim 1, wherein the multimedial output devices are operable in response to a color state transition. ### Claim 6 (depends on 1) The system comprising a geometric arrangement of a plurality of coupled lighting devices according to claim 1. ### Claim 7 A method for creating dynamic atmospheres, the method comprising: operating a light source in a plurality of color states, each color state of the light source associated with a perceptually differing atmosphere; providing, by a controller controlling the light source, a transition between a previous and subsequent color state, based on output provided by a random generator to the controller, implementing by the random generator a stochastic model, the stochastic model implemented by the random generator defining transitions between subsequent states implemented in the controller wherein the controller is adapted to provide the transition between a previous and a subsequent color state such that, based on the outcome of the random generator, and starting from a present color state, the controller is arranged to decide and control by the stochastic model which of the subsequent color state is realized based on the present color state; receiving multimedial input; clustering the multimedial input according to a predefined aspect; computing a statistic on subsequent transitions between the clusters of the multimedial inputs; and generating probability parameters associated with the computed statistic so as to implement the stochastic model. ### Claim 8 (depends on 7) The method according to claim 7, wherein the parameters of the stochastic model are extracted from a temporal color distribution of a video source sequence. ### Claim 9 (depends on 7) The method according to claim 7, wherein the parameters of the stochastic model are extracted from a spatial color distribution of an image. ### Claim 10 A lighting device for creating dynamic atmospheres, said lighting device comprising: a light source adapted to operate in a plurality of color states, the light source emitting differing colors for each color state; a random generator; a controller for controlling the color state of the light source, the controller adapted to provide a transition between a previous and a subsequent color state based on a output provided by the random generator; a stochastic model defining transitions between subsequent states is implemented in the controller; wherein the controller is adapted to provide the transition between a previous and a subsequent color state such that, based on the outcome of the random generator and starting from a present color state, the controller is arranged to decide and control by the stochastic model which subsequent color state is realized based on the present color state; an input for receiving multimedial input; the controller operable to cluster the multimedial input according to a predefined aspect; compute a statistic on subsequent transitions between the clusters; generate probability parameters associated with the computed statistic; and output the probability parameters so as to implement the stochastic model.