FR2927707A1 - Information e.g. door opening alert, providing device for car driver, has processing module processing data constituting images of front zone, to form set of data that represents zone and position of vehicle and displayed through screen - Google Patents

Information e.g. door opening alert, providing device for car driver, has processing module processing data constituting images of front zone, to form set of data that represents zone and position of vehicle and displayed through screen Download PDF

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Publication number
FR2927707A1
FR2927707A1 FR0851067A FR0851067A FR2927707A1 FR 2927707 A1 FR2927707 A1 FR 2927707A1 FR 0851067 A FR0851067 A FR 0851067A FR 0851067 A FR0851067 A FR 0851067A FR 2927707 A1 FR2927707 A1 FR 2927707A1
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FR
France
Prior art keywords
vehicle
va
za
front
data
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Granted
Application number
FR0851067A
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French (fr)
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FR2927707B1 (en
Inventor
Vincent Moslard
Stephane Feron
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Peugeot Citroen Automobiles SA
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Peugeot Citroen Automobiles SA
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Priority to FR0851067A priority Critical patent/FR2927707B1/en
Publication of FR2927707A1 publication Critical patent/FR2927707A1/en
Application granted granted Critical
Publication of FR2927707B1 publication Critical patent/FR2927707B1/en
Application status is Expired - Fee Related legal-status Critical
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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00Navigation; Navigational instruments not provided for in preceding groups G01C1/00-G01C19/00
    • G01C21/26Navigation; Navigational instruments not provided for in preceding groups G01C1/00-G01C19/00 specially adapted for navigation in a road network
    • G01C21/34Route searching; Route guidance
    • G01C21/36Input/output arrangements for on-board computers
    • G01C21/3626Details of the output of route guidance instructions
    • G01C21/3647Guidance involving output of stored or live camera images or video streams

Abstract

A device (D) is dedicated to providing information for a passenger of a motor vehicle (VA) equipped with a screen (EA) capable of displaying images defined by data. This device (D) comprises processing means (MT) for processing data from a camera (CV) and constituting video images of a front area (ZA) located in front of the vehicle (VA), in order to form sets of data which each constitute an image, representative of the front area (ZA) and the position of the vehicle (VA) in this front area (ZA), and intended to be displayed by the screen (EA).

Description

IMAGE SUPPLY DEVICE MATERIALIZING THE POSITION OF A MOTOR VEHICLE IN A UPSTREATED AREA, AND ASSOCIATED METHOD The invention relates to motor vehicles, and more specifically the provision of information to passengers (including drivers) of such vehicles. . In current motor vehicles a lot of information can be provided to passengers, and in particular to drivers. This is particularly the case of navigation information and / or driving information (relating to the operation of the vehicle and the environment in which the vehicle operates). Most of this information can be displayed on one or more screens, either directly, that is to say without the intervention of a passenger, or indirectly, that is to say with the intervention of a passenger by means of a man / machine interface comprising selection members located on the facia of the dashboard and / or on or behind the steering wheel and / or on the possible central console (situated between the front seats). When the information display is done simultaneously and detached from the context and / or in several remote locations and / or requires several interventions by means of several separate selection bodies, the information can be difficult to understand, even even to read, even though they may require immediate actions of the driver on his vehicle. Furthermore, it has been proposed to use a camera to acquire video images of the area upstream of the vehicle (that is to say the one preceding it), and to display its video images on a screen of the vehicle. by embedding or superimposing some traffic information, such as, for example, panel positions that the driver is unable to see. This solution is described in particular in US Pat. No. 7,167,779. It makes available to the driver information useful to driving, but this information is decorrelated from the vehicle including its actual position. The invention therefore aims to improve the situation.

It proposes for this purpose a device, dedicated to the provision of information for a passenger of a motor vehicle (equipped with a screen adapted to display images constituted by data), and comprising processing means for processing data. data from a camera constituting video images of a front area in front of the vehicle, to form sets of data which each constitute an image, representative of the front area and the position of the vehicle in that area before , and intended to be displayed by the screen. The control device according to the invention may comprise other characteristics that may be taken separately or in combination, and in particular: its processing means may be responsible for processing the video image data acquired in order to obtain representations; successive ones of the front area, and then forming data sets which each constitute a (semi-) virtual image having a representation of that front area and a representation of the vehicle in that front area at a position corresponding to its actual position; the representation of the vehicle may for example be a schematic view of the rear of the vehicle; its processing means may be responsible for applying at least one video processing to the video image data acquired by the camera so as to form representations of the front zone; its processing means may be responsible for obtaining driving and / or navigation information and for adding to certain sets of data representative of this information so that they may be part of the images displayed by the screen; - Its processing means may be responsible for deriving driving information, related to the position of the vehicle in the front area, information that is provided by vehicle equipment and the geographical position and / or dimensions of the vehicle; the driving information may for example be chosen from (at least) the speed of the vehicle, the engine speed of the vehicle, the temperature outside the vehicle, the time separating the vehicle from an obstacle which precedes it, the time separating the vehicle from another vehicle which follows it, the quantity of petrol remaining in the tank, the estimated number of kilometers that can be traveled taking into account the quantity of petrol remaining in the tank and the consumption of fuel. time and / or date, a risk of skidding, a puncture warning, a door opening alert, an estimate of the dimensions of a parking space, a possibility / impossibility of parking, position of a dangerous element in relation to the vehicle; the navigation information may for example be chosen from (at least) the designation of the location where at least a portion of the front zone is located, the indication of at least one traffic lane adjacent to the front zone; or adjacent to the latter, the indication of at least one point of interest in the vicinity of the front zone, the estimate of the remaining distance and / or the time remaining with respect to a previously supplied destination, estimate of distance traveled and / or time elapsed since departure from a previously provided location; he can understand the camera and / or the screen; Its processing means may for example be installed in an on-board computer of the vehicle. The invention also proposes a method, dedicated to the provision of information for a passenger of a motor vehicle (equipped with a screen adapted to display images constituted by data), and consisting of: - to acquire by means of a camera of data that constitutes video images of a front area in front of the vehicle, and - processing the acquired video image data to form sets of data which each constitute an image, representative of the front area and the position of the vehicle in this area before, and intended to be displayed by the screen.

Other features and advantages of the invention appear on examining the detailed description below, and cbs appended drawings, in which: - Figure 1 schematically and functionally illustrates an example of information providing device according to the invention; invention partially implanted in an on-board computer of a motor vehicle, and - Figure 2 is an example of a virtual image comprising a representation of the front zone located upstream of a vehicle, a representation of this vehicle in a position that corresponds to its actual position within that area before, and driving information and navigation. The accompanying drawings may serve not only to supplement the invention, but also to assist in its definition, as appropriate. FIG. 1 diagrammatically shows a motor vehicle VA equipped with an exemplary embodiment of an information delivery device D according to the invention, an on-board computer OB and a display screen 20. EA. This display screen EA is conventionally responsible for displaying images which consist of data sets transmitted to it by the OB on-board computer. For example, and as illustrated, the EA screen is located in the front panel of the PDB dashboard of the vehicle VA (the important thing being that it is at least in the field of observation of the driver). This EA display screen can display any type of image, including video images, map images (for example provided by navigation equipment), images containing only textual information, and images (semi-) virtual (that is, resulting in video image processing). An information providing device D according to the invention comprises at least one processing module MT. This processing module MT is responsible for processing data that is derived from a CV camera and that constitutes video images of a front zone ZA located in front of the vehicle VA, that is to say upstream of its front portion. PV, so as to form data sets which each constitute an image which is, on the one hand, representative of the area before ZA and the position of the vehicle VA in this area before ZA, and secondly, intended to be displayed by the EA screen. As illustrated without limitation in FIG. 1, the camera CV can for example be installed inside the passenger compartment of the vehicle VA against the inner face of the windshield PB, in a central position of its upper end ( which is secured to the roof). But, it could be implemented in any other place since it allows to acquire video images of the front zone (or upstream) ZA preceding the vehicle VA. Thus, it could for example be implanted in the front bumper. Note that it is not necessary for the CV camera to deliver high quality images. For example, the CV camera transmits the video image data that it acquires to the on-board computer OB, which is then responsible for communicating them to the processing module MT. It will be noted that the camera CV may possibly be part of the device D, in particular if it serves only to acquire video images which serve only for it. As is illustrated non-limitatively in FIG. 1, the processing module MT can for example be implanted for example stored in the on-board computer OB. But this is not obligatory. It could indeed be part of a dedicated box or an electronic card coupled to the on-board computer OB, or the EA screen and the CV camera, via a bus (possibly multiplexed). Therefore, the processing module MT can be realized in the form of software (or computer) modules, or electronic circuits or a combination of electronic circuits and software modules. It is important to note that the images that are delivered (as data sets) by the processing module MT may be substantially identical to, or from, the video images that are output by the CV camera with overlay or overlay. at least one representation of the vehicle VA in a position corresponding to its actual position in the front zone ZA. Here is meant by image from a video image an image that is the subject of one or more video processing. Any type of video processing can be performed as long as it leaves the image representative of the zone before ZA. By way of example, one or more deformations and / or one or more style effects can be applied to the video images. It will thus be understood that an image delivered by the processing module MT, and to be displayed, is either a partially (or semi) virtual image, that is to say constituted from a video image delivered by the CV camera and at least one representation of the vehicle VA in the front zone ZA defined by this video image, ie a totally virtual image, that is to say constituted from an image resulting from video processing (s) a video image delivered by the camera CV and at least one representation of the vehicle VA in the front area ZA defined by this video image. In either case, a (semi-) virtual image representative of reality is displayed in a so-called augmented form (at least because of the addition of the VA vehicle representation). For example, and as illustrated in non-limiting manner in FIG. 2, the representation of the vehicle VA, which is embedded in or superimposed on the image (treated or untreated) of the zone before ZA, is a schematic view of face of its rear part PR. Thus, when the driver watches the EA screen, he finds himself in the position of a person who observes his vehicle VA from the rear inside the front zone ZA preceding said vehicle VA. The positioning of the vehicle VA in the image representing the front zone ZA is easy since the field of view of the camera CV is fixed, and therefore the precise coordinates of the vehicle VA with respect to each video image acquired. are predetermined. Therefore, in case of embedding the representation of the vehicle VA in a video image (possibly processed), the processing module MT can for example replace the subset of data of the video image (possibly processed) which defines the pixels placed in the part (known in advance) that must occupy the vehicle VA by a subset of image data that defines the representation of the vehicle VA. In the case of a superposition of the representation of the vehicle VA to a video image (possibly processed), the processing module MT may, for example, deliver a first subset of data which defines the video image (possibly processed) and a second subset of data which defines the image of the representation of the vehicle VA, and order the superposition of the image of the representation of the vehicle VA on the pixels of the video image (possibly processed) which are placed in the part (known in advance) that must occupy the vehicle VA. Some (semi-) virtual images displayed may be representative of reality in an even more augmented form. Indeed, the processing module MT can for example obtain driving information and / or navigation information and add to certain sets of image data that it forms data which are representative of this information obtained so that they can be part of the images displayed by the EA screen. Again, this information can be either embedded or superimposed at predefined locations of the video images (optionally processed), using one of the techniques presented above as part of the addition of the VA vehicle representation. . It will be understood that any type of information available in the vehicle VA, in particular from the on-board computer OB, or that can be determined from (or inferred) from information (s) available in the vehicle VA, can be added in (or on) a video image (possibly processed). The processing module MT can in particular deduce or determine driving information, that it relates to the position of the vehicle VA in the front zone ZA that precedes it, information that is provided by equipment of the vehicle VA and the position geographical area and / or dimensions of the VA vehicle. It will be understood that if there is available in the vehicle VA navigation information that allows to know its position, the processing module MT is then able to determine the geographical coordinates of the region that is occupied by the front area. ZA, given the known dimensions of the field of view of the camera CV, then it can determine information relating to this region and / or its neighborhood (more or less extended) to add to the images to display, possibly at their actual or corresponding positions within the zone before ZA. The processing module MT may, for example, periodically retrieve available information, then possibly analyze and / or process it, and then add it to video images (which it has possibly processed) if it is programmed for this purpose or he believes that this is necessary. However, certain information, such as for example alarms or alerts, may optionally be transmitted automatically to the processing module MT so that it proceeds immediately to add them to (or on) the video images (possibly processed) to be displayed. Among the many driving information that may be added by the processing module MT to the images to be displayed, mention may be made in particular (non-limitatively) of: the speed of the vehicle VA, the engine speed of the vehicle VA, the temperature at the outside of the vehicle VA, the time which separates the vehicle VA from an obstacle which precedes it, such as for example a pedestrian, an animal, another vehicle, or an object. It will be understood that this requires that the vehicle VA has a device for analyzing the

the front zone ZA, for example radar type, or that the device D includes a shape detection module capable of analyzing the video images delivered by the camera CV to detect the presence of person (s), animals , vehicle (s) or object (s), possibly by shape recognition, - the position of a dangerous element relative to the vehicle VA. It will be understood that this requires that the analysis module mentioned in the preceding paragraph is also capable of determining the position of the person, the animal, the vehicle or the object (for example a plate of ice) detected (e.g. ) in the zone before ZA, - the time that separates the vehicle VA from another vehicle following it. It will be understood that this requires the vehicle VA to have a device for analyzing the rear zone (situated downstream), for example of the radar type, the quantity of gasoline remaining in the tank, the estimate the number of kilometers that can still be traveled by the VA vehicle taking into account the quantity of gasoline remaining in its tank and fuel consumption, - the time and / or the date, - a risk of skidding, account given the outside temperature and / or the climatic conditions (rain, snow, ice), - a tire puncture (or deflation) alert. In this case, the processing module MT may possibly attract the attention of the driver by changing the color of the representation of the flat tire (or deflated), or by flashing the pixels that define it, 25 - an opening alert of door. In this case, the processing module MT may possibly attract the attention of the driver by changing the color of the representation of the open door (or poorly closed), or by flashing the pixels that define it, - the current use a flashing light. In this case, the processing module 30 MT may possibly catch the driver's attention by changing the color of the flashing display used, or by flashing the lights.

pixels that define it, - an estimate of the dimensions of a parking space, located next to or in front of the vehicle VA. It will be understood that this requires that the device D comprise a detection module capable of analyzing the video images delivered by the camera CV in order to detect parking spaces and to estimate the dimensions of the latter taking into account their position in the area. before ZA, - a possibility / impossibility of parking. It will be understood that this requires that the detection module mentioned in the previous paragraph is also able to compare the dimensions of the vehicle VA with the estimated dimensions of the detected parking locations. Among the many navigation information that can be added by the processing module MT to the images to be displayed and which must be provided by a (or derived from) a navigation system delivering information about the environment of the vehicle VA and implanted in the VA vehicle, the following may be mentioned (but not limited to): - the designation of the location where at least part of the ZA zone is located, for example the name of a traffic lane or a city or a forest, 20 - the indication of at least one traffic lane close to or adjacent to the zone before ZA, - the estimate of the remaining distance and / or the time remaining with respect to a destination which has been previously provided, the estimation of the distance traveled and / or the time elapsed since the departure of a place previously supplied. In the nonlimiting example illustrated in FIG. 2, the image displayed on the screen EA comprises, in addition to the representation of the front zone ZA (stylized) and the representation of the front view of the rear PR. of the vehicle VA, two driving information (the speed (83 km / h) and the engine speed 30 (2500 rpm) of the vehicle VA) and a navigation information (the name of the name of the forest (Forêt de Meudon) crosses the vehicle ZA). By reporting driving and / or navigation information on images of the zone before ZA including the representation of the vehicle VA, and relating this information with respect to the position of the vehicle VA in this zone before ZA, this information is centralized the same place and are related to reality (by increasing it), thus facilitating their understanding by the passengers, and in particular by the driver. It will be noted that the screen EA may possibly be part of the device D, in particular if it serves only to display the images that it produces. It is important to note that the invention can also be considered from the angle of a method of providing information, which can be implemented in particular by means of an information supply device D presented above. . The functionalities offered by the implementation of the method according to the invention being identical to those offered by the device D presented above, only the combination of main functionalities offered by the method is presented below. This method of providing information consists of: - acquiring, by means of a CV camera, data constituting video images of a front area ZA located in front of a vehicle VA, and 20 - processing the acquired video image data so as to forming sets of data which each constitute an image, representative of the area before ZA and the position of the vehicle VA in this area ZA, and intended to be displayed by an EA screen of the vehicle VA. The invention is not limited to the above-described device and information delivery method embodiments, by way of example only, but encompasses all the variants that can be contemplated by those skilled in the art. within the scope of the claims below. he

Claims (11)

1. Device (D) for providing information for a passenger of a motor vehicle (VA) equipped with a screen (EA) capable of displaying images defined by data, characterized in that it comprises means for processing (MT) arranged to process data from a camera (CV) and constituting video images of a front area (ZA) in front of said vehicle (VA), so as to form data sets each constituting an image , representative of said front zone (ZA) and the position of said vehicle (VA) in this front zone (ZA), and intended to be displayed by said screen (EA).
2. Device according to claim 1, characterized in that said processing means (MT) are arranged to process said acquired video image data to obtain successive representations of said front zone (ZA), then to form data sets. each constituting a virtual image having a representation of said front area (ZA) and a representation of said vehicle (VA) in this front area (ZA) at a position corresponding to its actual position.
3. Device according to claim 2, characterized in that said representation of the vehicle (VA) is a schematic view of the rear of the vehicle (VA).
4. Device according to one of claims 2 and 3, characterized in that said processing means (MT) are arranged to apply at least one video processing to said video image data acquired by said camera (CV) so as to form representations of said front zone (ZA).
5. Device according to one of claims 1 to 4, characterized in that said processing means (MT) are arranged to obtain driving information and / or navigation and to add to certain sets of data representative of said information so that that they can be part of said images displayed by said screen (EA).
6. Device according to claim 5, characterized in that said processing means (MT) are arranged to derive driving information, related to the position of said vehicle (VA) in said front zone (ZA), information provided by equipment of said vehicle (VA) and the geographical position and / or dimensions of said vehicle (VA).
7. Device according to rune of claims 5 and 6, characterized in that said driving information is selected from a group comprising at least the speed of the vehicle (VA), the engine speed of the vehicle (VA), the temperature outside of the vehicle (VA), the time between the vehicle (VA) of an obstacle in front of it, the time separating the vehicle (VA) from another vehicle following it, the quantity of fuel remaining in the tank, the estimate of the number of kilometers that can be traveled taking into account the quantity of fuel remaining in the tank and fuel consumption, the time and / or the date, a risk of skidding, a puncture alert, an alert door opening, an estimate of the dimensions of a parking space, a possibility / impossibility of parking, and the position of a dangerous element with respect to the vehicle (VA).
8. Device according to one of claims 5 to 7, characterized in that said navigation information is selected from a group comprising at least the designation of the location where is located at least part of said front zone (ZA) the indication of at least one traffic lane adjacent to or adjacent to said front zone (ZA), the indication of at least one point of interest in the vicinity of said front zone (ZA), l estimating the remaining distance and / or time remaining from a previously provided destination, and estimating the distance traveled and / or time elapsed since departure from a previously provided location.
9. Device according to one of claims 1 to 8, characterized in that said processing means (MT) are adapted to be implanted in an on-board computer (OB) of said vehicle (VA).
10. Device according to one of claims 1 to 9, characterized in that it comprises said camera (CV) and / or said screen (EA).
11. A method of providing information for a passenger of a motor vehicle (VA) equipped with a screen (EA) capable of displaying images constituted by data, characterized in that it consists of i) acquiring by means of a camera (CV) of data constituting video images of a front area (ZA) in front of said vehicle (VA), and ii) processing said acquired video image data to form sets of data constituting each an image, representative of said front zone (ZA) and the position of said vehicle (VA) in this front zone (ZA), and intended to be displayed by said screen (EA).
FR0851067A 2008-02-19 2008-02-19 Image supply device materializing the position of a motor vehicle in a upstream area, and associated method. Expired - Fee Related FR2927707B1 (en)

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FR0851067A FR2927707B1 (en) 2008-02-19 2008-02-19 Image supply device materializing the position of a motor vehicle in a upstream area, and associated method.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9994221B2 (en) * 2016-07-13 2018-06-12 Toyota Motor Engineering & Manufacturing North America, Inc. Presenting travel settings for selection of nearby vehicle to follow
US10232711B2 (en) 2016-06-03 2019-03-19 Toyota Motor Engineering & Manufacturing North America, Inc. Spatiotemporal displays for set speed deviation of a vehicle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050240342A1 (en) * 2004-04-22 2005-10-27 Nobuaki Ishihara Vehicle periphery display control system
US20060100774A1 (en) * 2002-09-27 2006-05-11 Andre Barkowski Navigational device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060100774A1 (en) * 2002-09-27 2006-05-11 Andre Barkowski Navigational device
US20050240342A1 (en) * 2004-04-22 2005-10-27 Nobuaki Ishihara Vehicle periphery display control system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10232711B2 (en) 2016-06-03 2019-03-19 Toyota Motor Engineering & Manufacturing North America, Inc. Spatiotemporal displays for set speed deviation of a vehicle
US9994221B2 (en) * 2016-07-13 2018-06-12 Toyota Motor Engineering & Manufacturing North America, Inc. Presenting travel settings for selection of nearby vehicle to follow

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