Generation and remote processing of light maps

Patent metadata

Field	Value
Publication number	US-10272824-B2
Application number	US-201615046748-A
Country	US
Kind code	B2
Filing date	Feb 18, 2016
Priority date	Feb 20, 2015
Publication date	Apr 30, 2019
Grant date	Apr 30, 2019

Abstract

A lighting method comprising: definition, by a control system (CTRL_S) of a lighting device (HL), of a parameter (PAR) of the lighting device; transmission of this parameter, by the control system, to an actuator (LSS) of the lighting device; and generation, by the actuator, with a light source (LSR) of the lighting device, of a light beam producing an image corresponding to a light map obtained by modifying a light map stored in the actuator using the parameter received from the control system. The description also relates to a lighting device, a computer program and a storage medium for implementing such a method.

First claim

What is claimed is:

1. A lighting method implemented by a lighting device comprising:
a digitized matrix-array of light sources;
an actuator storing a plurality of light maps to control all points on the digitized matrix-array, each of the plurality of light maps defined by an image file; and
a control system,
said lighting method comprising:
definition, by said control system, of a parameter of said lighting device;
transmission of said parameter by said control system to said actuator;
generation, by said actuator, with a light source, of a light beam producing an image corresponding to a light map obtained by modifying said each of the plurality of light maps stored in said actuator using said parameter received from said control system;
analysis, by said control system, of a video stream captured by a video camera connected to said control system; and
definition, by said control system, of said parameter depending on the result of said analysis.

2. The lighting method according to claim 1 , comprising:
reception, by said control system, of a measurement taken by a sensor connected to said control system; and
definition, by said control system, of said parameter depending on said measurement.

3. The lighting method according to claim 2 , comprising:
detection, by said actuator, of a possible malfunction in said lighting device;
in case of detection of a malfunction, generation, by said actuator, of a light beam producing an image corresponding to a light map stored in said actuator.

4. A non-transitory computer-readable storage medium comprising a set of instructions that, when they are executed by a processor, lead said processor to implement the lighting method according to claim 2 .

5. A non-transitory computer-readable storage medium comprising a set of instructions that, when they are executed by a processor, lead said processor to implement the lighting method according to claim 1 .

6. The lighting method according to claim 1 , comprising:
detection, by said actuator, of a possible malfunction in said lighting device;
in case of detection of said possible malfunction, generation, by said actuator, of a light beam producing an image corresponding to a light map stored in said actuator.

7. The lighting method according to claim 1 , wherein the parameter is a mask to mask a portion in one of the plurality of the light maps.

8. The lighting method according to claim 7 , wherein an image formed by the mask is embedded with navigation information.

9. A lighting device, comprising:
a digitized matrix-array of light sources;
an actuator storing a plurality of light maps to control all points on the digitized matrix-array, each of the plurality of light maps defined by an image file; and
a control system arranged to define a parameter of said lighting device and to transmit said parameter to said actuator,
said actuator being arranged to generate, with a light source, a light beam producing an image corresponding to a light map obtained by modifying a light map stored in said actuator using said parameter;
said actuator being arranged to detect a possible malfunction in said lighting device, and to generate, when it detects such said possible malfunction, said light beam producing said image corresponding to said light map stored in said actuator, and
said control system being arranged to analyze a video stream captured by a video camera connected to said control system and to define said parameter depending on the result of this analysis.

10. The lighting device according to claim 9 , said control system being arranged to define said parameter depending on a measurement taken by a sensor connected to said control system.

11. A non-transitory computer-readable storage medium comprising a set of instructions that, when they are executed by a processor, lead said processor to operate the lighting device according to claim 9 .

12. The lighting device according to claim 9 , wherein the parameter is a mask to mask a portion in one of the plurality of the light maps.

13. The lighting device according to claim 12 , wherein an image formed by the mask is embedded with navigation information.

14. A lighting method implemented by a lighting device comprising:
a digitized matrix-array of light sources;
an actuator storing a plurality of light maps to control all points on the digitized matrix-array, each of the plurality of light maps defined by an image file; and
a control system,
said lighting method comprising:
definition, by said control system, of a parameter of said lighting device;
transmission of said parameter by said control system to said actuator;
generation, by said actuator, with a light source, of a light beam producing an image corresponding to a light map obtained by modifying a light map stored in said actuator using said parameter received from said control system,
reception, by said control system, of a measurement taken by a sensor connected to said control system; and
definition, by said control system, of said parameter depending on said measurement,

wherein the sensor measures rotation of a steering wheel or a load of a vehicle.

Assignees

• Valeo Vision

Inventors

• El Idrissi Hafid
• Boinet Loic

Classifications

• B60Q2300/45

  Special conditions, e.g. pedestrians, road signs or potential dangers · CPC title

• B60Q11/005

  for lighting devices, e.g. indicating if lamps are burning or not · CPC title

• B60Q1/143

  combined with another condition, e.g. using vehicle recognition from camera images or activation of wipers · CPC title

• B60Q2300/12

  Steering parameters · CPC title

• B60Q2300/146

  Abnormalities, e.g. fail-safe · CPC title