Valeo Vision

Hafid El Idrissi

Constantin Prat

David Hue

Yasser Almehio

Stephan Sommerschuh

Ali Kanj

Xavier Morel

Pierre Albou

Kostadin Beev

Etienne Monchy

Marine Courcier

Vanesa Sanchez

Pierre Renaud

Rabih Taleb

Loic Boinet

Marouene Karray

Matthieu Drezet

Marc Rocklinger

Steed Gratien

Jean-Luc Meyrenaud

Sebastian Krick

Gregory Planche

Weicheng Luo

Boubacar Sagna

Mickael Mimoun

Olivier Valorge

Marjaneh Kazemi

Guillaume Zante

Thomas Giraud-Sauveur

Cedric Merlin

Frantz Pelissier

The invention provides a method for controlling a light pattern provided by an automotive lighting device of an automotive vehicle. The method includes providing a road profile, extracting road features from the road profile, dividing the matrix arrangement in row groups, assigning a different shifting value for each row group, each shifting value depending on the road features, dividing each row group in a first portion and a second portion, shifting the operation of the first portion of each row group of light sources according to the corresponding shifting value and create a third portion between the shifted first portion and the second portion of each row group.

Method for controlling a light pattern and automotive lighting device

A method for controlling a light pattern provided by an automotive lighting device of an automotive vehicle. The method includes providing a road profile, extracting road features from the road profile, dividing the matrix arrangement in row groups, assigning a different shifting value for each row group, each shifting value depending on the road features and dividing each row group in at least a first portion and a second portion. Each portion includes at least a boundary pixel which is in contact with the boundary pixel of an adjacent portion. The method further includes modifying the width of the first portion and the width of the second portion by shifting the position of the boundary pixels in each row group according to the corresponding shifting value and interpolating the luminous intensity values of the pixels belonging to the first and second portion.

This invention provides a method for operating an automotive lighting device comprising at least one solid-state light source. This method comprises the steps of providing a plurality of sensors, configured to provide some device data, provide a control unit configured to receive and process the device data, generate an estimated condition of the lighting device based on the device data and controlling an operation parameter of the automotive lighting device using the estimated condition. The invention also provides a data processing element and a computer program to carry out this method and an automotive lighting device comprising a control unit which carries out this method.

Method for operating an automotive arrangement and automotive arrangement

A lighting system for a motor vehicle includes at least one lighting module capable of projecting lighting functions from image data, a control unit connected to the at least one lighting module by a data transmission channel and configured to generate a control image intended for the lighting module as a function of the optical features of the lighting module and of a setpoint datum. The lighting system also includes compression and decompression units to compress and decompress the image data while the data image travels between the control unit and the at least one lighting module.

Lighting system for a motor vehicle with data compression

The invention relates to a method for managing image data in a motor vehicle lighting system. The lighting system comprises at least one lighting module intended to project light beams generated on the basis of data relating to the selection of at least one image, each image being defined by a matrix containing a plurality of horizontal or vertical rows of pixels, wherein each pixel is characterized by a numerical value related to a light intensity of the pixel, said method determining whether the analyzed pixel is regarded as a significant inflection point of the image such that said analyzed pixel is transmitted to at least one lighting module so that same can project a resulting image. The invention also relates to a motor vehicle lighting system for carrying out the steps of a method of this kind.

Method for managing image data, and vehicle lighting system

A method for adapting a setpoint for a digital lighting unit, which is intended to be projected by a digital lighting unit of a motor vehicle, which includes a matrix light source and an optical system. The method includes a step of applying digital filtering to the digital setpoint. The filter used is capable of anticipating geometric aberrations induced by said optical system when projecting a digital setpoint.

Method for adapting setpoints for a digital lighting unit of a motor vehicle preliminary class

The invention relates to a method for controlling a luminous device of a motor vehicle arranged to emit a pixelated light beam in a preset emission region. The method includes receiving an instruction to emit a desired pixelated luminous function for each of the luminous modules. The instruction for creating a digital image forming one segment of the desired pixelated luminous function in a frame corresponding to the preset emission region of the luminous module, the digital image being independent of the types of light sources and of optical device of the luminous module. The method further correcting said created digital image depending on the types of light sources and of optical device of the luminous module. The method additionally emitting, with the luminous module, into the preset emission region, a pixelated light beam corresponding to the corrected digital image.

Method for controlling a luminous device with a view to emitting a pixelated light beam

The invention provides a method for managing image data in a motor vehicle lighting system, the lighting system including at least one lighting module intended to project light beams, the light beams being generated from data relating to the selection of at least one image, each image being respectively defined by a matrix including a plurality of horizontal or vertical rows of pixels, with each pixel having a numerical value related to a light intensity of the pixel. The method includes determining whether the pixel under analysis is considered to be a significant point of inflection of the image, so as to transmit it to at least one lighting module, so that it is able to project a resulting image.

A method for managing image data in a vehicle lighting system that includes a lighting module and a multiplexed bus for transmitting compressed image data to the lighting module. The method includes receiving an instruction to trigger at least one lighting function to be generated by the at least one lighting module. Determining a required data rate level for transmitting the compressed image data over the multiplexed bus. Comparing the determined data rate level with a data rate threshold value of the multiplexed bus. Compressing the image data of the lighting function according to: the first frequency when the determined data rate level is lower than or equal to the data rate threshold value and according to a second frequency selected within the frequency range such that the second frequency is lower than the first frequency when the determined data rate level is greater than the data rate threshold value.

Method for controlling modules for projecting pixelated light beams of a host vehicle. The host vehicle includes a step of determining, using a control device and according to the collected data, a polynomial function which models the profile of the edge and the centre of the road, such that the road profile is modelled based on a polynomial function, the degree of which depends on the curvature of the road. Also included is a step of determining, by means of the control device, a starting point (Pd) and an arrival point (Pa) of an area for projection (ZPd, ZPg, ZP) of patterns, and a step of determining, by means of the control device, a distance (De) between an axis (Ac) of a data/image acquisition means and the patterns, respectively for a right projection area ZPd and a left projection area ZPg. The control device is used to determine the width (Lm) of the pattern.

Method for controlling modules for projecting pixelated light beams for a vehicle

A method for operating an automotive lighting device including providing a first preliminary current profile, calculating a first preliminary derating time associated to the first preliminary current profile, providing a second preliminary current profile, calculating a second preliminary derating time associated to the second preliminary current profile, feeding the first light module with a first current profile which provides a total amount of current lower than the first preliminary amount of current, and feeding the second light module with a second current profile which provides a total amount of current higher than the second preliminary amount of current.

Method for operating an automotive lighting device and automotive lighting device

This invention provides a method for operating an automotive arrangement with a lighting device and a vehicle sensor. This method comprises the steps of providing a plurality of auxiliary sensors, configured to provide some device data, provide a control unit configured to estimate a vehicle sensor temperature using the device data and controlling an operation parameter of the automotive lighting device using the estimated vehicle sensor tem-perature. The invention also provides a data processing element and a computer program to carry out this method and an automotive lighting device comprising a control unit which carries out this method.

A lighting system for a motor vehicle with a pixelated light source having a plurality of selectively activatable elementary light sources is described. The activation of each elementary light source being controlled exclusively by a switch assigned to the elementary light source. A power converter designed to supply an electrical power to the pixelated light source and a controller designed to control the voltage supplied by the power converter and to control the switches controlling the activation of the elementary light sources. The lighting system also includes an electrical current sensor designed to measure the electrical current supplied by the power converter to the pixelated light source and to transmit information relating to said measured current to the controller.

Lighting system comprising a pixelated light source and a current sensor

A plurality of luminous modules able to emit a segmented light beam to be controlled by a common control processor having a single video output interface, while maintaining the ability to project different outlines with each luminous module. This decreases the number of connections necessary between a control unit and a plurality of luminous modules, thereby decreasing the complexity of the system, and decreasing the production cost thereof.

Segmented lighting assembly for a motor vehicle

The present invention relates to a lighting module for a motor vehicle headlamp module including a light source able to emit light radiation, a processing device able to generate a light flux from said light radiation, and an imaging optical system able to project an exit beam from said light flux. The lighting module includes means for controlling an angular aperture of the exit beam, the angular aperture being chosen from a first aperture and a second aperture, the first aperture corresponding to a wider angle than the second aperture, so that, for a given intensity of the light radiation of the light source, the exit beam corresponding to the second aperture has a higher light intensity than the exit beam corresponding to the first aperture.

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Pantin, France

Hafid El Idrissi