HYBRID AUGMENTED-REALITY-HEAD-UP DISPLAY FOR DISPLAYING GRAPHICS ON A VEHICLE'S WINDSHIELD

Abstract

Hybrid augmented reality head-up display system (10) for displaying graphics on a windshield (12) of a vehicle (14), wherein the windshield (12) comprises a transparent substrate (38) containing light-emitting particles (36) distributed therein, and wherein the hybrid augmented reality head-up display system (10) comprises: a primary graphic projection device (26) for generating a first set of images (44) on the windscreen (12) of the vehicle (14) based on visible light, wherein the first set of images (44) is displayed on a primary area (40) of the windscreen (12); a secondary graphics projection device (28) for generating a second set of images (46) on a secondary area (42) of the windscreen (12) of the vehicle (14) based on an excitation light, wherein the light-emitting particles (36) in the windscreen (12) emit visible light in response to the absorption of the excitation light, and wherein the first set of images (44) displayed on the primary area (40) of the windscreen (12) interacts with the second set of images (46) displayed on the secondary area (42) of the windscreen (12) to generate an edge-to-edge augmented reality view of the environment (34) of the vehicle (14); a primary graphics processing unit (30) which is in electronic communication with the primary graphics projection device (26); a secondary graphics processing unit (32) which is in electronic communication with the secondary graphics projection device (28); and one or more controllers (20) that are in electronic communication with the primary graphics processing unit (30) and the secondary graphics processing unit (28), wherein the one or more controllers (20) execute instructions to: to determine that an object (80) of interest is located within the secondary area (42) of the windscreen (12); in response to the determination that the object (80) of interest is located within the secondary area (42) of the windscreen (12), to instruct the secondary graphics processing unit (32) to determine a graphic representation of the second set of images (46) produced by the secondary graphics projection device (28); to instruct the secondary graphics processing unit (32) to track the object (80) of interest by graphically representing the second set of images (46) as the object (80) of interest moves from the secondary area (42) of the windscreen (12) towards the primary area (40) of the windscreen (12); to determine that the object (80) of interest has entered the primary area (40) of the windscreen (12); and in response to the determination that the object (80) of interest has entered the primary area (40) of the windscreen (12), to instruct the primary graphics processing unit (30) to determine a graphic representation of the first set of images (44) produced by the primary graphics projection device (26).

Description

INTRODUCTION

[0001] The present disclosure relates to a hybrid augmented reality head-up display comprising a primary graphics projection device and a secondary graphics projection device that work together to generate an edge-to-edge augmented reality view of the vehicle's surroundings.

[0002] Document US 2021 / 0360211A1 describes a head-up display device designed to project multiple virtual images whose depths, as perceived by a user, differ from one another.

[0003] Document US 2017 / 0212633A1 discloses a motor vehicle control system and a method for operating the same, wherein the method includes receiving user input via an input device provided on a steering wheel and controlling a display located in front of a driver's seat based on the user input.

[0004] Document US 2010 / 0253918A1 discloses a method for displaying an infotainment graphic on a surface inside a vehicle, comprising monitoring a source of infotainment content, determining the infotainment graphic based on monitoring the source of infotainment content, and displaying the infotainment graphic on a surface containing a material that is reactive to display graphics in response to an excitation projector.

[0005] Publication JP 2017 - 194 548 A discloses a head-up display for displaying information to be communicated to a driver in a state in which it is superimposed on a landscape in front of a vehicle.

[0006] Augmented Reality (AR) enriches the real world with virtual elements displayed in three-dimensional space, enabling real-time interaction with users. A head-up display (HUD) projects information such as vehicle speed and navigation instructions directly onto the windshield of a vehicle within the driver's front field of vision. Accordingly, the head-up display provides drivers with information without requiring them to take their eyes off the road. One possible implementation of augmented reality is an augmented reality head-up display (AR-HUD) for a vehicle. By overlaying images onto the windshield, AR-HUDs enhance a driver's view of the surroundings outside the vehicle, creating greater environmental awareness.

[0007] One challenge for AR-HUDs is their limited field of view, sometimes referred to as the keyhole problem. Specifically, the AR-HUD can only highlight a relatively small area of ​​the vehicle's windshield, which is known as the keyhole. Generally, the horizontal field of view of an AR-HUD is typically between ten and fifteen degrees. Consequently, the AR-HUD may not be able to highlight features located in the driver's peripheral field of view. For example, if an animal runs in front of the vehicle, the AR-HUD will not be able to highlight the animal and alert the driver until it is directly in front of the vehicle. Furthermore, the AR-HUD is unable to highlight objects located outside the keyhole in the driver's peripheral field of view.Since HUDs typically have a relatively small eyebox, they cannot be used as primary instruments. The eyebox is an area within the vehicle interior where the driver's eye has an acceptable view of an image based on a set of criteria.

[0008] Due to the relatively large eye relief typically required in many vehicles, simply increasing the field of view of an AR-HUD can be challenging. Eye relief refers to the distance between the driver's eyes and the windshield. Furthermore, the size of the various optical components of an AR-HUD projector depends on eye relief, with a shorter eye relief requiring larger optical components. Consequently, reducing eye relief can necessitate very large AR-HUD packages that are difficult or impossible to accommodate. Finally, there is a growing demand for larger fields of view across the entire windshield.

[0009] Although current AR-HUDs fulfill their purpose, one objective of the invention is therefore to provide an improved AR-HUD that has a larger field of view. SUMMARY

[0010] The aforementioned problem is solved by the features of claim 1. Advantageous further developments of the invention are shown in the dependent claims, the description and the drawings.

[0011] According to several aspects, a hybrid augmented reality head-up display system for displaying graphics on a vehicle's windshield is disclosed, wherein the windshield comprises a transparent substrate containing light-emitting particles distributed therein. The hybrid augmented reality head-up display system includes a primary graphics projection device for generating a first set of images on the vehicle's windshield based on visible light, with the first set of images being displayed on a primary area of ​​the windshield.The hybrid augmented reality head-up display system also includes a secondary graphics projection device for generating a second set of images on a secondary area of ​​the vehicle's windscreen based on an excitation light, wherein the light-emitting particles in the windscreen emit visible light in response to absorbing the excitation light, and wherein the first set of images displayed on the primary area of ​​the windscreen interacts with the second set of images displayed on the secondary area of ​​the windscreen to create an edge-to-edge augmented reality view of the vehicle's surroundings.

[0012] The hybrid augmented reality head-up display system also includes a primary graphics processing unit that communicates electronically with the primary graphics projection device, and a secondary graphics processing unit that communicates electronically with the secondary graphics projection device.

[0013] The hybrid augmented reality head-up display system also includes one or more controllers that are in electronic communication with the primary graphics processing unit and the secondary graphics processing unit.

[0014] The one or more controllers execute instructions to determine that an object of interest is located within the secondary area of ​​the windscreen, and in response to determining that the object of interest is located within the secondary area of ​​the windscreen, to instruct the secondary graphics processing unit to determine a graphical representation of the second set of images produced by the secondary graphics projection device.

[0015] In one aspect, the second set of images includes one or more primitive graphic objects.

[0016] In another aspect, the one or more primitive graphic objects comprise one or more of the following: a point position and a straight line.

[0017] The one or more controllers execute instructions to direct the secondary graphics processing unit to track the object of interest through the graphical representation of the second set of images as the object of interest moves from the secondary area of ​​the windscreen toward the primary area of ​​the windscreen.

[0018] The one or more controllers execute instructions to determine that the object of interest has entered the primary area of ​​the windscreen, and in response to determining that the object of interest has entered the primary area of ​​the windscreen, to instruct the primary graphics processing unit to determine a graphic representation of the first set of images produced by the primary graphics projection device.

[0019] In another aspect, the first set of images consists of augmented reality graphics that are overlaid and aligned with objects located in the vehicle's environment.

[0020] In yet another aspect, the primary graphics projection device is a single-image-plane augmented reality head-up display that incorporates an optical system of a digital light projector (DLP).

[0021] In one aspect, the primary graphics projection device is a stationary holographic dual-image-plane augmented reality head-up display.

[0022] In another aspect, the primary graphics projection device creates a dual image plane, comprising a near-field image plane and a far-field image plane.

[0023] In yet another aspect, the first set of images includes cluster content information projected onto the near-field image plane, as well as augmented reality graphics projected onto the far-field image plane.

[0024] In one aspect, the excitation light is one or more of the following: violet light in the visible spectrum or ultraviolet light that induces fluorescence in the light-emitting particles.

[0025] A hybrid augmented reality head-up display system for a vehicle comprises a windshield containing a transparent substrate with light-emitting particles distributed within the substrate. The system also includes a primary graphic projection device for generating a first set of images onto the vehicle's windshield based on visible light, with the first set of images being displayed on a primary area of ​​the windshield.The hybrid augmented reality head-up display system also includes a secondary graphics projection device for generating a second set of images on a secondary area of ​​the vehicle's windscreen based on an excitation light, wherein the light-emitting particles in the windscreen emit visible light in response to absorbing the excitation light, and wherein the first set of images displayed on the primary area of ​​the windscreen interacts with the second set of images displayed on the secondary area of ​​the windscreen to create an edge-to-edge augmented reality view of the vehicle's surroundings.The hybrid augmented reality head-up display system comprises a primary graphics processing unit that communicates electronically with the primary graphics projection device, a secondary graphics processing unit that communicates electronically with the secondary graphics projection device, and one or more controllers that communicate electronically with the primary graphics processing unit and the secondary graphics processing unit.

[0026] In one aspect, the light-emitting particles are red, green and blue (RGB) phosphors.

[0027] In yet another aspect, the one or more controllers execute instructions to determine that an object of interest is located within the secondary area of ​​the windscreen, and in response to determining that the object of interest is located within the secondary area of ​​the windscreen, to instruct the secondary graphics processing unit to determine a graphical representation of the second set of images produced by the secondary graphics projection device.

[0028] In yet another aspect, the one or more controllers execute instructions to direct the secondary graphics processing unit to track the object of interest through the graphical representation of the second set of images as the object of interest moves from the secondary area of ​​the windscreen towards the primary area of ​​the windscreen.

[0029] In one aspect, the one or more controllers execute instructions to determine that the object of interest has entered the primary area of ​​the windscreen, and in response to determining that the object of interest has entered the primary area of ​​the windscreen, to instruct the primary graphics processing unit to determine a graphic representation of the first set of images produced by the primary graphics projection device.

[0030] In another aspect, the first set of images consists of augmented reality graphics that are overlaid and aligned with objects located in the vehicle's environment.

[0031] Further areas of application will become apparent from the description provided herein. It is understood that the description and specific examples serve only as illustrations. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The drawings described herein are for illustrative purposes only. Fig. Figure 1 is a schematic diagram of the disclosed hybrid augmented reality head-up display system for displaying graphics on a vehicle's windshield, according to an exemplary embodiment; Fig. 2A is an embodiment of the windshield from the perspective of an occupant of the vehicle, according to an exemplary embodiment; Fig. 2B is another embodiment of the windshield from the occupant's point of view, according to an exemplary embodiment; Fig. 2C is an enlarged view of a section of the windshield comprising a plurality of light-emitting particles distributed within a substantially transparent substrate, according to an exemplary embodiment; Fig. Figure 3 is an illustration of the windshield, wherein a first set of images is displayed on a primary area of ​​the windshield, and a second set of images is displayed on a secondary area of ​​the windshield, according to an exemplary embodiment; and Fig. Figure 4 is a process flow diagram illustrating a method for highlighting an object of interest in the vehicle's surroundings by means of the hybrid augmented reality head-up display system, according to an exemplary embodiment. DETAILED DESCRIPTION

[0033] The following description is merely an example.

[0034] With reference to Fig. Figure 1 illustrates an exemplary hybrid augmented reality head-up display system 10 for displaying graphics on a windshield 12 of a vehicle 14. As explained below, the hybrid augmented reality head-up display system 10 comprises a primary graphics projection device 26 and a secondary graphics projection device 28 that work together to provide an augmented reality experience for an occupant of the vehicle 14. It is understood that the vehicle 14 can be any type of vehicle, such as a sedan, truck, SUV, van, or motorhome, without limitation.The hybrid augmented reality head-up display system 10 comprises one or more controllers 20 that communicate electronically with one or more image capture devices 22, an eye tracking system 24, a primary graphics processing unit 30 corresponding to the primary graphics projection device 26, and a secondary graphics processing unit 32 corresponding to the secondary graphics projection device 28. The image capture devices 22 can be cameras that capture periodic or sequential images representing a view of the vehicle 14's environment 34. The eye tracking system 24 comprises one or more sensors for determining the position of the driver's head in the vehicle 14, as well as the orientation or gaze position of the driver's eyes.

[0035] Fig. 2A is an embodiment of a front view of the windshield 12 from the perspective of an occupant of the vehicle 14, Fig. 2B is an alternative embodiment of the windshield 12 in Fig. 2A, and Fig. 2C is an enlarged view of a section of the windshield 12. As in Fig. As shown in Figure 2C, the windshield 12 comprises a plurality of light-emitting particles 36 distributed within a substantially transparent substrate 38. When the excitation light is absorbed by the light-emitting particles 36, visible light is generated by the light-emitting particles 36. In one embodiment, the light-emitting particles are red, green, and blue (RGB) phosphors for full-color operation, but it is understood that monochromatic or bichromatic phosphors can also be used.

[0036] Referring to both Fig. 1 and Fig. 2A, the windshield 12 comprises a primary area 40 and a secondary area 42, wherein the primary graphic projection device 26 generates a first set of images 44 on the primary area 40 of the windshield 12 based on visible light, and the secondary graphic projection device generates a second set of images 46 on the secondary area 42 of the windshield 12 of the vehicle based on excitation light. In particular, the light-emitting particles 36 ( Fig. 2C), which are distributed in the windshield 12, emit visible light in response to the absorption of the excitation light emitted by the secondary graphic projection device 28. As explained below, the first set of images 44, displayed on the primary area 40 of the windshield 12, works in conjunction with the second set of images 46, displayed on the secondary area 42 of the windshield 12, to produce an edge-to-edge augmented reality view of the vehicle 14's surroundings 34. As shown in Fig. As shown in Figure 2A, the primary area 40 of the windshield 12 comprises only a section of the windshield 12, which has a limited field of view, while the secondary area 42 of the windshield 12 comprises a remaining section of the windshield 12 that is not included as part of the primary area 40. Combining the primary area 40 with the secondary area 42 results in an augmented reality view of the vehicle 14's surroundings 34, extending from opposite side edges 50 of the windshield 12.

[0037] Still referring to Fig. 1 and Fig. 2A The primary graphics processing unit 30 is in electronic communication with the primary graphics projection device 26, wherein the primary graphics processing unit 30 translates image-based instructions from the one or more controllers 20 into a graphical representation of the first set of images 44 generated by the primary graphics projection device 26. The first set of images 44 are augmented reality graphics 48 that are superimposed and aligned with one or more objects of interest in the environment 34 of the vehicle 14 to provide the occupant with a virtual reality experience. In the Fig. In the example shown in Figure 2A, the augmented reality graphics 48 include a target needle and text inscribed with "0.1 mi (miles)," which are overlaid on and aligned with an object of interest, namely a building 52. It is understood that the target needle and the text in Figure 52 are Fig. The text shown in Figure 2A is merely an example, and other types of augmented reality graphics can also be used. Some examples of augmented reality graphics (Figure 48) are circles or boxes surrounding an object of interest, arrows, warning symbols, text, numbers, colors, lines, indicators, and logos.

[0038] The primary graphic projection device 26 comprises a visible light source configured to produce the first set of images 44 on the windshield 12. The visible light source can be, for example, a laser or light-emitting diodes (LEDs). In the Fig. In the embodiment shown in Figure 2A, the primary area 40 of the windshield 12 comprises a single image plane 60, and the primary graphic projection device 26 is a single-image-plane augmented reality head-up display comprising a digital light projector (DLP) optical system. In one embodiment, the primary area 40 of the windshield 12 comprises a horizontal field of view of 10° and a vertical field of view of up to 5°.

[0039] In the alternative embodiment, as in Fig. As shown in Figure 2B, the primary area 40 of the windscreen 12 comprises a double image plane 62, and the primary graphic projection device 26 ( Fig. 1) is a stationary holographic dual-image-plane augmented reality head-up display. In one embodiment, the dual image plane 62 can comprise a first, near-field image plane 62A, and a second, far-field image plane 62B. In the present example, the first set of images 44 comprises cluster content information 54 projected onto the near-field image plane 62A, as well as augmented reality graphics 48 projected onto the far-field image plane 62B. The cluster content information 54 informs the driver of the vehicle 14 about the driving conditions, such as, but not limited to, the vehicle speed, speed limit, gear selected, fuel level, current position, and navigation instructions. In the embodiment described in Fig. In example 2B, the cluster content information includes 54, the vehicle speed.

[0040] With reference to Fig. 1 and Fig. 2A The secondary graphics processing unit 32 is in electronic communication with the secondary graphics projection device 28, wherein the secondary graphics processing unit 32 translates image-based instructions from the controllers 20 into a graphical representation of the second set of images 46 generated by the secondary graphics projection device 28. The second set of images 46 comprises one or more primitive graphic objects 64. In the Fig. In the example shown in Figure 2A, the primitive graphic object 64 is a point position or a pixel. Other examples of primitive graphic objects 64 include straight lines. As explained below, objects in the environment 34 initially appear in a peripheral field of the driver located in the secondary area 42 of the windshield 12 as a primitive graphic object 64. The driver is first alerted to an object of interest located in the secondary area 42 of the windshield 12 by highlighting the object with the secondary set of images 46 (i.e., the primitive graphic object 64). Once the object of interest moves from the secondary area 42 of the windshield 12 into the primary area 40 of the windshield 12, the object of interest is instead highlighted by the primary set of images 44 (i.e., the augmented reality graphic 48).

[0041] The secondary graphic projection device 28 comprises an excitation light source configured to generate the second set of images on the windscreen 12. In particular, the light-emitting particles 36 ( Fig. 2C), which are distributed in the windshield 12, emit visible light in response to the absorption of the excitation light emitted by the secondary graphic projection device 28. In certain embodiments, the excitation light is either violet light in the visible spectrum (in the range of approximately 380 to 450 nanometers) or ultraviolet light, which causes fluorescence in the light-emitting particles 36. It is understood that, since the light-emitting particles 36 are distributed over the entire windshield 12, there is no directional dependence of the fluorescence emitted by the light-emitting particles 36. Therefore, the fluorescence is always visible, regardless of where the occupant is located within the vehicle 14. In other words, there is no eyebox, so the disclosed hybrid augmented reality head-up display system 10 can be used as the primary instrument.The excitation light source can be, for example, a laser or LEDs. In certain embodiments, the secondary graphic projection device 28 is a picoprojector, which has a relatively small package size and weight. For example, in one embodiment, the picoprojector weighs about 120 grams.

[0042] With reference to Fig. 1, Fig. 2A and Fig. In one embodiment, the secondary graphic projection device 28 can be arranged along the headliner 70 of the vehicle 14. A throw distance D is measured from the windshield 12 to a projection lens 58 of the secondary graphic projection device 28. The throw distance D is dimensioned such that the secondary area 42 of the windshield 12 extends from opposite side edges 50 of the windshield 12 and between an upper edge 66 and a lower edge 68 of the windshield 12.

[0043] Fig. Figure 3 is an illustration of the windshield 12, which highlights an object 80 of interest, namely a deer, located within the vicinity 34 of the vehicle 14. Although a deer is illustrated, it is understood that Fig. 3 is merely exemplary, and the object 80 of interest is any object located in the environment 34 of the vehicle 14 to which the disclosed hybrid augmented reality head-up display system 10 wishes to draw the driver's attention, such as a child on a bicycle, another vehicle, weather conditions, road conditions, obstacles, pedestrians, emergency vehicles, places of interest, road signs, billboards and destinations.

[0044] In the Fig. In the example shown in Figure 3, the hybrid augmented reality head-up display system 10 tracks a deer moving from the right peripheral view 82 of the environment 34 directly in front of the vehicle 14. In particular, with reference to both Fig. 1 and Fig. 3. The one or more controllers 20 first detect the object 80 of interest in the secondary area 42 of the windshield 12. In response to the detection of the object 80 of interest, the one or more controllers 20 alert the driver to the object 80 of interest by highlighting the object with the secondary set of images 46. The object 80 of interest is highlighted by the primitive graphic object 64 (i.e., a point position). The primitive graphic object 64 follows, or tracks, the object 80 of interest as the object 80 of interest moves toward the primary area 40. Once the object 80 of interest enters the primary area 40 of the windshield 12, the one or more controllers 20 seamlessly switch from highlighting the object 80 of interest with the primitive graphic object 64 to highlighting the object 80 of interest with the augmented reality graphics 48. In the Fig. In the 3 illustrated example, the augmented reality graphics 48 include a circle surrounding the object 80 of interest.

[0045] Fig. Figure 4 is a process flow diagram illustrating a procedure 200 for highlighting the object 80 of interest in the environment 34 of the vehicle 14 (as in Fig. 3 to be seen). With reference to Fig. 1, Fig. 3 and Fig. 4. Procedure 200 begins in block 202. In block 202, the one or more controllers 20 monitor image data representing the environment 34 of the vehicle 14 from the image acquisition devices 22. The one or more controllers 20 monitor the image data until, based on the image data, it is determined that the object 80 of interest is located within the secondary area 42 of the windshield 12. Procedure 200 can then proceed to block 204.

[0046] In block 204, in response to the determination that the object 80 of interest is located within the secondary area 42 of the windscreen 12, the one or more controllers 20 instruct the secondary graphics processing unit 32 to determine a graphical representation of the second set of images 46 produced by the secondary graphics projection device 28. As in Fig. As can be seen in 3, the second set of images 46 comprises one or more primitive graphic objects 64. In particular, in the one in Fig. In the example shown, the primitive graphic object 64 is a point position. Procedure 200 can then continue with block 206.

[0047] In block 206, the one or more controllers 20 instruct the secondary graphics processing unit 32 to track the object 80 of interest by graphically displaying the second set of images 46 as the object 80 of interest moves from the secondary area 42 of the windscreen 12 towards the primary area 40 of the windscreen 12. In the Fig. In the example shown in Figure 3, the deer shoots out from the right peripheral view 82 of the environment 34 towards the primary area 40 of the windshield 12. The procedure 200 can then proceed with block 208.

[0048] In block 208, the one or more control devices 20 detect that the object 80 of interest has entered the primary area 40 of the windshield 12. The procedure 200 can then proceed to block 210.

[0049] In block 210, in response to the detection that the object 80 of interest has entered the primary area 40 of the windscreen 12, the one or more controllers 20 instruct the primary graphics processing unit 30 to determine a graphic representation of the first set of images 44 generated by the primary graphics projection device 26. In the Fig. In the example shown, the first set of images 44 comprises a circle surrounding the deer. Procedure 200 can then be terminated.

[0050] Referring generally to the figures, the disclosed hybrid augmented reality head-up display system provides various technical effects and advantages. In particular, the first set of images displayed by the primary graphics projection device works in conjunction with the second set of images displayed by the secondary graphics projection device to create an edge-to-edge augmented reality view of the vehicle's surroundings. It is understood that, since there is no directionality in the fluorescence emitted by the light-emitting particles in the windshield, there is no eyebox. Unlike conventional augmented reality systems currently available, the hybrid augmented reality head-up display disclosed herein can be used as the primary instrument.

[0051] The controls can refer to or be part of an electronic circuit, a combinational logic circuit, a field-programmable gate array (FPGA), a (shared, dedicated, or grouped) processor that executes code, or a combination of some or all of the aforementioned elements, such as in a system-on-a-chip. Furthermore, the control devices can be microprocessor-controlled, such as a computer that has at least one processor, memory (RAM and / or ROM), and associated input and output buses. The processor can operate under the control of an operating system that resides in memory. The operating system can manage the computer's resources so that the computer program code, which is executed as one or more computer software applications, such as an application residing in memory, can direct instructions from the processor to be executed.In an alternative embodiment, the processor can execute the application directly; in this case, the operating system can be omitted.

[0052] The description of the present revelation is merely exemplary.

Claims

[1] Hybrid augmented reality head-up display system (10) for displaying graphics on a windshield (12) of a vehicle (14), wherein the windshield (12) comprises a transparent substrate (38) containing light-emitting particles (36) distributed therein, and wherein the hybrid augmented reality head-up display system (10) comprises: a primary graphic projection device (26) for generating a first set of images (44) on the windscreen (12) of the vehicle (14) based on visible light, wherein the first set of images (44) is displayed on a primary area (40) of the windscreen (12); a secondary graphics projection device (28) for generating a second set of images (46) on a secondary area (42) of the windscreen (12) of the vehicle (14) based on an excitation light, wherein the light-emitting particles (36) in the windscreen (12) emit visible light in response to the absorption of the excitation light, and wherein the first set of images (44) displayed on the primary area (40) of the windscreen (12) interacts with the second set of images (46) displayed on the secondary area (42) of the windscreen (12) to generate an edge-to-edge augmented reality view of the environment (34) of the vehicle (14); a primary graphics processing unit (30) which is in electronic communication with the primary graphics projection device (26); a secondary graphics processing unit (32) which is in electronic communication with the secondary graphics projection device (28); and one or more controllers (20) that are in electronic communication with the primary graphics processing unit (30) and the secondary graphics processing unit (28), wherein the one or more controllers (20) execute instructions to: to determine that an object (80) of interest is located within the secondary area (42) of the windscreen (12); in response to the determination that the object (80) of interest is located within the secondary area (42) of the windscreen (12), to instruct the secondary graphics processing unit (32) to determine a graphic representation of the second set of images (46) produced by the secondary graphics projection device (28); to instruct the secondary graphics processing unit (32) to track the object (80) of interest by graphically representing the second set of images (46) as the object (80) of interest moves from the secondary area (42) of the windscreen (12) towards the primary area (40) of the windscreen (12); to determine that the object (80) of interest has entered the primary area (40) of the windscreen (12); and in response to the determination that the object (80) of interest has entered the primary area (40) of the windscreen (12), to instruct the primary graphics processing unit (30) to determine a graphic representation of the first set of images (44) produced by the primary graphics projection device (26). [2] Hybrid augmented reality head-up display system (10) according to claim 1, wherein the second set of images (46) comprises one or more primitive graphic objects (64). [3] Hybrid augmented reality head-up display system (10) according to claim 2, wherein the one or more primitive graphic objects (64) comprise one or more of the following: a point position and a straight line. [4] Hybrid augmented reality head-up display system (10) according to claim 1, wherein the first set of images (44) are augmented reality graphics that are superimposed and aligned with objects located in the environment (34) of the vehicle (14). [5] Hybrid augmented reality head-up display system (10) according to claim 1, wherein the primary graphics projection device (26) is a single-image-plane augmented reality head-up display comprising an optical system of a digital light projector.

Images