CN117629240A - Navigation instruction graph generation method, vehicle-mounted head-up display and storage medium - Google Patents
Navigation instruction graph generation method, vehicle-mounted head-up display and storage medium Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3626—Details of the output of route guidance instructions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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Abstract
The application relates to the technical field of image navigation, and discloses a navigation instruction graph acquisition method, a vehicle-mounted head-up display and a storage medium, wherein the navigation instruction graph acquisition method comprises the following steps: acquiring indication data sent by a vehicle sensor and a GPS (global positioning system) locator; acquiring an indication line corresponding to the indication data according to the indication data; processing the indication lines to obtain an indication graph, wherein the indication graph comprises at least one indication line; and determining the brightness and/or the color of different positions in the indication graph according to a preset rule so as to generate the navigation indication graph. According to the method and the device, the navigation indication graph is obtained in real time according to the indication data sent by the vehicle sensor and the GPS locator, more visual and intuitive navigation guidance can be provided for a driver, and the dynamic navigation guidance effect is improved.
Description
Technical Field
The embodiment of the application relates to the technical field of image navigation, in particular to a navigation instruction graph generation method, a vehicle-mounted head-up display and a storage medium.
Background
With the popularization of automobiles, traffic safety problems are receiving more and more attention. The Head Up Display (HUD) is a visual driving assisting system, which can provide key driving assisting information for a driver, projects driving information into a virtual image, displays the virtual image at a certain distance in front of the driver, and can provide navigation guidance for the driver. However, in the real-time navigation process, particularly when turning or changing lanes, problems such as unsmooth display, unclear display of navigation icons and the like are very easy to occur along with the change of the vehicle position.
At present, most of navigation icons used for reminding a driver to turn left or right in the market only use arrow textures to achieve an indication effect, but the arrow textures of the navigation icons have the defects of being not realistic enough, not capable of presenting a dynamic effect, and not capable of providing more visual and intuitive navigation guidance for the driver, so that the navigation icons have an immersive effect.
Disclosure of Invention
The embodiment of the application provides a navigation instruction graph generating method, a vehicle-mounted head-up display and a storage medium, and the navigation instruction graph is acquired in real time according to instruction data sent by a vehicle sensor and a GPS (global positioning system) positioner.
The embodiment of the application provides the following technical scheme:
in a first aspect, an embodiment of the present application provides a method for generating a navigation instruction graph, which is applied to a vehicle-mounted head-up display, where the vehicle-mounted head-up display is communicatively connected to a vehicle sensor and a GPS locator, and the method includes:
acquiring indication data sent by a vehicle sensor and a GPS (global positioning system) locator;
acquiring an indication line corresponding to the indication data according to the indication data;
processing the indication lines to obtain an indication graph, wherein the indication graph comprises at least one indication line;
and determining the brightness and/or the color of different positions in the indication graph according to a preset rule so as to generate the navigation indication graph.
In some embodiments, the indication data includes left turn indication data, right turn indication data, turn around indication data, and straight indication data, the indication line includes a parabola or a straight line, and before the indication line corresponding to the indication data is acquired, the method further includes:
when the indication data is left turn indication data or right turn indication data or turning around indication data, determining an indication line corresponding to the indication data as a parabola;
when the indication data is straight indication data, the indication line corresponding to the indication data is determined to be a straight line.
In some embodiments, according to the indication data, obtaining an indication line corresponding to the indication data includes:
when the indication data are left-turn indication data or right-turn indication data, acquiring parabolas corresponding to the left-turn indication data or the right-turn indication data, wherein the opening of the parabolas corresponding to the left-turn indication data is rightward, and the opening of the parabolas corresponding to the right-turn indication data is leftward;
when the indication data are turning indication data, acquiring parabolas corresponding to the turning indication data, wherein the opening of the parabolas corresponding to the turning indication data is downward;
and when the indication data are straight indication data, acquiring a straight line corresponding to the straight indication data, wherein the slope of the straight line corresponding to the straight indication data is zero.
In some embodiments, processing the indication line to obtain an indication graph includes:
when the indication data is left turn indication data or right turn indication data or turning around indication data, translating and/or scaling the parabola to obtain an indication graph;
and when the indication data is straight indication data, translating and/or scaling the straight line to obtain an indication graph.
In some embodiments, the preset rules include a first preset rule, and determining brightness and/or color of different positions in the indication graph according to the preset rule to generate the navigation indication graph includes:
Determining brightness of different positions in the indication graph according to a first preset rule, wherein the first preset rule comprises: when the indication data is left turn indication data or right turn indication data, setting the vertex of the parabola in the indication graph as a point with maximum brightness, and determining the brightness of other points in the parabola according to the distance between the other points in the parabola and the vertex, wherein the brightness of the other points is inversely related to the distance; when the indication data is turning indication data, the vertex of the parabola in the indication graph is set to be the point with the minimum brightness, and the brightness of other points in the parabola is determined according to the distance between the other points in the parabola and the vertex, wherein the brightness of the other points is positively correlated with the distance.
In some embodiments, the preset rules include a second preset rule, according to which the brightness and/or color of different positions in the indication graph is determined to generate the navigation indication graph, further including:
determining the initial color and the termination color of the indication line, wherein the initial color is the color corresponding to the head end of the indication line, and the termination color is the color corresponding to the tail end of the indication line;
according to a second preset rule, calculating a transition color between the starting color and the ending color to determine colors indicating different positions in the graph.
In some embodiments, the second preset rule includes a color interpolation function, and calculating a transition color between the start color and the end color according to the second preset rule to determine colors indicating different locations in the graphic includes:
respectively acquiring a red component, a green component and a blue component of a starting color and a ending color;
determining interpolation step sizes of the red component, the green component and the blue component of the transition color according to the number of the transition colors and the red component, the green component and the blue component of the starting color and the ending color;
calculating the red component, the green component and the blue component of the transition color between the starting color and the ending color according to the color difference function and the interpolation step length of the red component, the green component and the blue component of the transition color;
the transition color is derived from the red, green, blue components of the transition color between the starting color and the ending color.
In some embodiments, determining interpolation steps for the red, green, and blue components of the transition colors based on the number of transition colors and the red, green, and blue components of the start and end colors comprises:
Interpolation step size of red component of transition color= (red component of end color-red component of start color)/number of transition colors,
interpolation step size of green component of transition color= (green component of end color-green component of start color)/number of transition colors,
interpolation step size of blue component of transition color= (blue component of end color-blue component of start color)/number of transition colors.
In some embodiments, calculating the red, green, and blue components of the transition color between the start and end colors from the color difference function and interpolation steps of the red, green, and blue components of the transition color comprises:
red component of transition color = red component of starting color + i interpolation step of red component of transition color,
green component of transition color = green component of starting color + i the interpolation step size of green component of transition color,
blue component of transition color = blue component of starting color + i interpolation step size of blue component of transition color, where the value range of i is [1, N ], N is the number of transition colors.
In a second aspect, an embodiment of the present application provides a vehicle head-up display, including:
At least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of obtaining a navigation instruction graph as in the first aspect.
In a third aspect, embodiments of the present application provide a non-volatile computer-readable storage medium, in which a computer program or instructions are stored, which when executed, implement a method for acquiring a navigation instruction graphic as in the first aspect.
The beneficial effects of this embodiment of the application are: in contrast to the situation of the prior art, the embodiment of the application provides a method for acquiring a navigation instruction graph, which is applied to a vehicle head-up display, wherein the vehicle head-up display is in communication connection with a vehicle sensor and a GPS (global positioning system) positioner, and the method for acquiring the navigation instruction graph comprises the following steps: acquiring indication data sent by a vehicle sensor and a GPS (global positioning system) locator; acquiring an indication line corresponding to the indication data according to the indication data; processing the indication lines to obtain an indication graph, wherein the indication graph comprises at least one indication line; and determining the brightness and/or the color of different positions in the indication graph according to a preset rule so as to generate the navigation indication graph. According to the method and the device, the navigation indication graph is obtained in real time according to the indication data sent by the vehicle sensor and the GPS locator, more visual and intuitive navigation guidance can be provided for a driver, and the dynamic navigation guidance effect is improved.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to scale, unless expressly stated otherwise.
FIG. 1 is a schematic diagram of an application environment provided by an embodiment of the present application;
fig. 2 is a flowchart of a method for obtaining a navigation instruction graph according to an embodiment of the present application;
fig. 3 is a schematic flow chart of determining an indication line corresponding to indication data according to an embodiment of the present application;
fig. 4 is a schematic diagram of a refinement flow of step S202 in fig. 2;
fig. 5 is a schematic diagram of a refinement flow of step S203 in fig. 2;
fig. 6 is a schematic diagram of a refinement flow of step S204 in fig. 2;
fig. 7 is a schematic diagram of a refinement flow of step S204 in fig. 2;
fig. 8 is a schematic diagram of a refinement flow of step S2043 in fig. 7;
fig. 9 is a schematic structural diagram of a generating device of a navigation instruction graph according to an embodiment of the present application;
fig. 10 is a schematic structural diagram of a vehicle head-up display according to an embodiment of the present application.
Reference numerals illustrate:
Detailed Description
In order to facilitate an understanding of the present application, the present application will be described in more detail below with reference to the accompanying drawings and detailed description. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application in this description is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.
The technical scheme of the application is specifically described below with reference to the accompanying drawings of the specification:
Referring to fig. 1, fig. 1 is a schematic diagram of an application environment according to an embodiment of the present application;
as shown in fig. 1, the application environment 100 includes: the vehicle head up display 10, GPS (Global Positioning System) locator 20 and the vehicle sensor 30, wherein the vehicle head up display 10 is in communication connection with the GPS locator 20 via a network, and the vehicle head up display 10 is in communication connection with the vehicle sensor 30 via a network, wherein the network comprises a wired network and/or a wireless network. It is understood that the network includes wireless networks such as 2G, 3G, 4G, 5G, wireless lan, bluetooth, etc., and may also include wired networks such as serial lines, network lines, etc.
In this embodiment of the present application, the vehicle head-up display 10 is configured to receive the indication data sent by the GPS locator 20 and the vehicle sensor 30, process the index data, generate a navigation indication graph, and display the navigation indication graph.
In the present embodiment, the GPS locator 20 includes a locating module and a communication module, and the indicating data includes current location information and travel route information of the vehicle.
In this embodiment of the present application, the positioning module is communicatively connected to the communication module, and the positioning module is configured to obtain current location information and travel route information of the vehicle, and send the current location information and the travel route information of the vehicle to the communication module.
In this embodiment of the present application, the communication module is communicatively connected to the positioning module and the vehicle-mounted head-up display, and the communication module is configured to receive the current position information and the driving route information of the vehicle sent by the positioning module, and send the current position information and the driving route information of the vehicle to the vehicle-mounted head-up display.
In this embodiment of the present application, the indication data further includes a current running direction of the vehicle, and the vehicle sensor 30 is configured to acquire the current running direction of the vehicle and send the current running direction of the vehicle to the vehicle head-up display.
In the embodiment of the application, the vehicle-mounted head-up display is particularly used for determining the type of the indication data according to the current position information, the driving route information and the current driving direction of the vehicle; for example, when the travel route information is right-handed at a certain intersection and the current travel direction of the vehicle is straight, if it is detected that the current position information of the vehicle is the intersection, it is determined that the type of instruction data is changed from straight instruction data to right-handed instruction data. After the type of the indicating data is determined, corresponding navigation indicating graphics are generated in real time according to the type of the indicating data.
Referring to fig. 2, fig. 2 is a flowchart of a method for generating a navigation instruction graph according to an embodiment of the present application;
the navigation instruction graph generation method is applied to a vehicle-mounted head-up display, the vehicle-mounted head-up display is in communication connection with a vehicle sensor and a GPS (global positioning system) positioner, and an execution main body of the navigation instruction graph generation method is one or at least two processors of the vehicle-mounted head-up display.
As shown in fig. 2, the method for generating the navigation instruction graph includes:
step S201: acquiring indication data sent by a vehicle sensor and a GPS (global positioning system) locator;
specifically, the indication data includes current position information, driving route information and current driving direction of the vehicle, current driving direction of the vehicle sent by the vehicle sensor and current position information and driving route information of the vehicle sent by the GPS locator are obtained, wherein the type of the indication data is determined according to the current position information, the driving route information and the current driving direction of the vehicle, the type of the indication data includes left turn indication data, right turn indication data, straight run indication data and turning around indication data, for example, when the driving route information is right turn at a certain intersection and the current driving direction of the vehicle is straight, if the current position information of the vehicle is detected to be the intersection, the type of the indication data is updated from the straight run indication data to the right turn indication data.
Referring to fig. 3 again, fig. 3 is a flow chart of determining an indication line corresponding to indication data according to an embodiment of the present application;
in an embodiment of the present application, the indication line comprises a parabolic line or a straight line.
As shown in fig. 3, the process of determining the indication line corresponding to the indication data includes:
step S301: when the indication data is left turn indication data or right turn indication data or turning around indication data, determining an indication line corresponding to the indication data as a parabola;
specifically, before the indication line corresponding to the indication data is obtained, when the indication data is left-turn indication data or right-turn indication data or turning-around indication data, the indication line corresponding to the indication data is determined to be a parabola, wherein the parabola comprises a parabola with a right opening, a parabola with a left opening and a parabola with a downward opening.
Step S302: when the indication data are straight indication data, determining an indication line corresponding to the indication data as a straight line;
specifically, when the indication data is straight indication data, an indication line corresponding to the indication data is determined to be a straight line, wherein the straight line comprises a straight line with a slope of zero, and the straight line direction is a direction parallel to the x axis.
Step S202: acquiring an indication line corresponding to the indication data according to the indication data;
Referring to fig. 4 again, fig. 4 is a schematic diagram of a refinement flow of step S202 in fig. 2;
as shown in fig. 4, step S202: according to the indication data, obtaining an indication line corresponding to the indication data, including:
step S2021: when the indication data are left turn indication data or right turn indication data, acquiring parabolas corresponding to the left turn indication data or the right turn indication data;
specifically, when the instruction data is right turn instruction data, a parabola corresponding to the right turn instruction data is obtained, and an opening of the parabola corresponding to the right turn instruction data is left, wherein the expression is as follows:
y 2 ＝-2px，
wherein y is the ordinate of the indication line, x is the abscissa of the indication line, and p is the coefficient of the indication line and is greater than 0;
when the indication data is left turn indication data, acquiring a parabola corresponding to the left turn indication data, wherein the opening of the parabola corresponding to the left turn indication data is rightward, and the expression is as follows:
y 2 ＝2px，
wherein y is the ordinate of the indication line, x is the abscissa of the indication line, and p is the coefficient of the indication line and is greater than 0.
Step S2022: when the indication data are turning indication data, acquiring parabolas corresponding to the turning indication data;
specifically, when the indication data is turning indication data, a parabola corresponding to the turning indication data is obtained, and the opening of the parabola corresponding to the turning indication data is downward, and the expression is as follows:
y＝a(x-h) 2 +k，
Where y is the ordinate of the indicator line, x is the abscissa of the indicator line, a is a negative value, the size of a represents the opening size of the indicator line, h is the abscissa of the apex of the indicator line, and k is the ordinate of the apex of the indicator line.
Step S2023: when the indication data are straight indication data, acquiring a straight line corresponding to the straight indication data;
specifically, when the indication data is straight indication data, a parabola corresponding to the straight indication data is obtained, and the slope of a straight line corresponding to the turning indication data is zero, wherein the expression is as follows:
y＝mx+b，
wherein y is the ordinate of the indication line, x is the abscissa of the indication line, m is the slope of the indication line, the value of m is zero, and b is the intercept of the indication line and the y axis.
Step S203: processing the indication line to obtain an indication graph;
referring to fig. 5 again, fig. 5 is a schematic diagram of the refinement flow of step S203 in fig. 2;
as shown in fig. 5, step S203: processing the indication line to obtain an indication graph, including:
step S2031: when the indication data is left turn indication data or right turn indication data or turning around indication data, translating and/or scaling the parabola to obtain an indication graph;
specifically, when the indication data is right turn indication data, translating the parabola corresponding to the right turn indication data left and right to obtain a plurality of translated parabolas, wherein the expression of the translated parabolas is as follows:
y 2 ＝-2p(x±c)，
Wherein y is 2 -2px is an expression of a parabola corresponding to right turn indication data, c is a distance of translation of the parabola on the x-axis;
scaling the plurality of parabolas to obtain an indication graph, wherein the expression of the indication graph is as follows:
(y/d) 2 ＝-2px，
wherein d is a multiple of the scaling of the indicator line on the y-axis;
scaling the plurality of translated parabolas to obtain an indication graph, wherein the expression of the indication graph is as follows:
(y/d) 2 ＝-2p(x±c)，
wherein d is a multiple of the scaling of the indicator line on the y-axis;
when the indication data is left-turning indication data, translating the parabola corresponding to the left-turning indication data left and right to obtain a plurality of translated parabolas, wherein the expression of the translated parabolas is as follows:
y 2 ＝2p(x±c)，
wherein y is 2 =2px is an expression of a parabola corresponding to left turn instruction data, c is a distance by which the parabola translates on the x-axis;
scaling the plurality of parabolas to obtain an indication graph, wherein the expression of the indication graph is as follows:
(y/d) 2 ＝2px，
wherein d is a multiple of the scaling of the indicator line on the y-axis;
scaling the plurality of translated parabolas to obtain an indication graph, wherein the expression of the indication graph is as follows:
(y/d) 2 ＝2p(x±c)，
wherein d is a multiple of the scaling of the indicator line on the y-axis;
when the indication data is turning indication data, translating the parabola corresponding to the turning indication data left and right to obtain a plurality of translated parabolas, wherein the expression of the translated parabolas is as follows:
y＝a(x-h±e) 2 +k，
Wherein y=a (x-h) 2 +k is an expression of a parabola, e is a distance that the parabola translates in the x-axis;
scaling the plurality of parabolas to obtain an indication graph, wherein the expression of the indication graph is as follows:
where f is a multiple indicating that the line scales on the x-axis.
Scaling the plurality of translated parabolas to obtain an indication graph, wherein the expression of the indication graph is as follows:
y＝a((x/f)-h±e) 2 +k，
where f is a multiple indicating that the line scales on the x-axis.
Step S2032: when the indication data are straight indication data, translating and/or scaling the straight line to obtain an indication graph;
specifically, when the indication data is straight indication data, translating a straight line corresponding to the straight indication data left and right to obtain a plurality of translated straight lines, wherein the expression of the translated straight lines is as follows:
y＝mx+b±g，
where y=mx+b is an expression of a straight line, and g is a distance by which the straight line translates in the y-axis direction.
Step S204: according to a preset rule, determining brightness and/or color of different positions in the indication graph to generate a navigation indication graph;
in this embodiment of the present application, the preset rules include a first preset rule and a second preset rule.
Referring to fig. 6 again, fig. 6 is a schematic diagram of a refinement flow of step S204 in fig. 2;
As shown in fig. 6, step S204: according to a preset rule, determining brightness and/or color of different positions in the indication graph to generate a navigation indication graph, wherein the method comprises the following steps:
step S2041: determining brightness of different positions in the indication graph according to a first preset rule;
specifically, the first preset rule includes: when the indication data is left turn indication data or right turn indication data, setting the vertex of the parabola in the indication graph as a point with the maximum brightness, and determining the brightness of other points in the parabola according to the distance between the other points in the parabola and the vertex, wherein the brightness of the other points is inversely related to the distance, namely, the brightness of the point which is closer to the vertex is larger, and the brightness of the point which is farther from the vertex is smaller; when the indication data is u-turn indication data, the vertex of the parabola in the indication graph is set as the point with the minimum brightness, and the brightness of other points in the parabola is determined according to the distance between the other points in the parabola and the vertex, wherein the brightness of the other points is positively correlated with the distance, namely, the brightness of the point which is closer to the vertex is smaller, the brightness of the point which is farther from the vertex is larger, for example, the vertex of each parabola in the indication graph is set as the point with the maximum brightness in the whole indication graph, and the brightness of the other points except the vertex is set as that the brightness is decreased when the distance from the vertex is increased or the brightness is increased when the distance from the vertex is increased.
In some embodiments, the first preset rule may be set according to actual situations, for example, the brightness of the position around the point with the maximum brightness is set to gradually decrease in a linear decreasing trend, or may gradually decrease in a decreasing trend in a monotonically decreasing interval according to a sine function, which is not limited in this application.
Referring to fig. 7 again, fig. 7 is a schematic diagram of the refinement flow of step S204 in fig. 2;
as shown in fig. 7, step S204: according to a preset rule, determining brightness and/or color of different positions in the indication graph to generate a navigation indication graph, wherein the method comprises the following steps:
step S2042: determining a start color and a stop color of the indication line;
specifically, in order to present the color gradation effect of the indication graphic, it is necessary to determine the start color and the end color of each indication line in the indication graphic, wherein the color gradation refers to a series of processes from the start color to the end color, for example, the start color of the indication line is set to red and the end color is set to green, and the color gradation refers to a series of processes from red to green, and the color gradation of one indication line is taken as an example below.
Step S2043: calculating transition colors between the starting color and the ending color according to a second preset rule to determine colors of different positions in the indication graph;
In this embodiment of the present application, the second preset rule refers to a rule for calculating a transition color, and a specific calculation process is as follows:
referring to fig. 8 again, fig. 8 is a schematic diagram of the refinement procedure of step S2043 in fig. 7;
as shown in fig. 8, step S2043: according to a second preset rule, calculating a transition color between the starting color and the ending color to determine colors indicating different positions in the graph, comprising:
step S2431: respectively acquiring a red component, a green component and a blue component of a starting color and a ending color;
specifically, after determining the starting color and the ending color of the indication line, each color includes a red component, a green component and a blue component, and specific values of the red component, the green component and the blue component corresponding to each color are obtained according to an RGB color comparison table, for example, if the starting color is red, according to the RGB color comparison table, the red component corresponding to red can be 255, the green component is 0 and the blue component is 0; if the termination color is green, according to the RGB color comparison table, the red component corresponding to green is 0, the green component is 255, and the blue component is 0.
Step S2432: determining interpolation step sizes of the red component, the green component and the blue component of the transition color according to the number of the transition colors and the red component, the green component and the blue component of the starting color and the ending color;
Specifically, the number of transition colors is determined first, for example, the number of transition colors is determined to be 3, and then interpolation steps of the red component, the green component, and the blue component of the transition colors are calculated according to the number of transition colors and the red component, the green component, and the blue component of the start color, wherein the interpolation step of the red component of the transition colors= (red component of the start color-red component of the start color)/the number of transition colors, the interpolation step of the green component of the transition colors= (green component of the start color-green component of the start color)/the number of transition colors, and the interpolation step of the blue component of the transition colors= (blue component of the end color-blue component of the start color)/the number of transition colors. In the embodiment of the present application, the number of transition colors may be set according to actual needs, which is not limited in this application.
Step S2433: calculating the red component, the green component and the blue component of the transition color between the starting color and the ending color according to the color difference function and the interpolation step length of the red component, the green component and the blue component of the transition color;
specifically, the value range of i is [1, N ], N is the number of transition colors, i is iterated to N, and the calculation is performed according to the above calculation formula, so that the red component, the green component and the blue component of all transition colors can be obtained, for example, when the initial color is red (255, 0), the final color is green (0, 255, 0), the number of transition colors is 3, the transition colors are determined to include the first transition color, the second transition color and the third transition color, the interpolation step of the red component of the transition color is= -85, the interpolation step of the green component of the transition color is=85, the interpolation step of the blue component of the transition color is 0, then the red component of the transition color is 0=1=0+0, and the interpolation step of the green component of the transition color is 0 (-255=0+0), and the red component of the transition color is 0=1+85; the red component of the second transition color=255+2 (-85) =85, the green component of the second transition color=0+2×85=170, the blue component of the second transition color=0+2×0=0; the red component of the third transition color=255+3 (-85) =0, the green component of the third transition color=0+3×85=255, and the blue component of the third transition color=0+3×0=0.
Step S2434: obtaining a transition color according to a red component, a green component and a blue component of the transition color between the starting color and the ending color;
specifically, after obtaining the red component, the green component, and the blue component of the transition color, the transition color is obtained from the red component, the green component, and the blue component of the transition color between the start color and the end color, for example, if the red component of the transition color is 170, the green component is 0, and the blue component is 170, the transition color is (170,0, 170).
It can be understood that after determining the indication line, brightness and color of the indication graph, the navigation indication graph can be generated according to the indication line, brightness and color of the indication graph.
In an embodiment of the present application, a method for acquiring a navigation instruction pattern is provided and applied to a vehicle head-up display, where the vehicle head-up display is communicatively connected to a vehicle sensor and a GPS positioner, and the method for acquiring the navigation instruction pattern includes: acquiring indication data sent by a vehicle sensor and a GPS (global positioning system) locator; acquiring an indication line corresponding to the indication data according to the indication data; processing the indication lines to obtain an indication graph, wherein the indication graph comprises at least one indication line; and determining the brightness and/or the color of different positions in the indication graph according to a preset rule so as to generate the navigation indication graph. According to the method and the device, the navigation indication graph is obtained in real time according to the indication data sent by the vehicle sensor and the GPS locator, more visual and intuitive navigation guidance can be provided for a driver, and the dynamic navigation guidance effect is improved.
Referring to fig. 9 again, fig. 9 is a schematic structural diagram of a generating device of a navigation instruction graph according to an embodiment of the present application;
as shown in fig. 9, the navigation instruction graph generating device 90 includes:
the data acquisition module 901 is connected with the indication line acquisition module 902, and the data acquisition module is used for acquiring indication data sent by the vehicle sensor and the GPS locator;
the indication line acquisition module 902 is respectively connected with the data acquisition module 901 and the indication line processing module 903, and is used for acquiring an indication line corresponding to the indication data according to the indication data;
the indication line processing module 903 is respectively connected with the indication line obtaining module 902 and the graph generating module, and the checking and editing module is used for processing the indication lines to obtain an indication graph, wherein the indication graph comprises at least one indication line;
the graph generating module 904 is connected with the indication line processing module 903, and the graph generating module 904 is used for determining the brightness and/or the color of different positions in the indication graph according to a preset rule so as to generate the navigation indication graph.
The indication line acquiring module 902 is further configured to:
when the indication data is left turn indication data or right turn indication data or turning around indication data, determining an indication line corresponding to the indication data as a parabola;
When the indication data is straight indication data, the indication line corresponding to the indication data is determined to be a straight line.
The indication line obtaining module 902 is specifically configured to:
when the indication data are left-turn indication data or right-turn indication data, acquiring parabolas corresponding to the left-turn indication data or the right-turn indication data, wherein the opening of the parabolas corresponding to the left-turn indication data is rightward, and the opening of the parabolas corresponding to the right-turn indication data is leftward;
when the indication data are turning indication data, acquiring parabolas corresponding to the turning indication data, wherein the opening of the parabolas corresponding to the turning indication data is downward;
and when the indication data are straight indication data, acquiring a straight line corresponding to the straight indication data, wherein the slope of the straight line corresponding to the straight indication data is zero.
The indication line processing module 903 is specifically configured to:
when the indication data is left turn indication data or right turn indication data or turning around indication data, translating and/or scaling the parabola to obtain an indication graph;
and when the indication data is straight indication data, translating and/or scaling the straight line to obtain an indication graph.
The indication line processing module 904 is specifically configured to:
determining brightness of different positions in the indication graph according to a first preset rule, wherein the first preset rule comprises: when the indication data is left turn indication data or right turn indication data, setting the vertex of the parabola in the indication graph as a point with maximum brightness, and determining the brightness of other points in the parabola according to the distance between the other points in the parabola and the vertex, wherein the brightness of the other points is inversely related to the distance; when the indication data are turning indication data, setting the top point of the parabola in the indication graph as a point with minimum brightness, and determining the brightness of other points in the parabola according to the distance between the other points in the parabola and the top point, wherein the brightness of the other points is positively correlated with the distance;
Determining the initial color and the termination color of the indication line, wherein the initial color is the color corresponding to the head end of the indication line, and the termination color is the color corresponding to the tail end of the indication line;
according to a second preset rule, calculating a transition color between the starting color and the ending color to determine colors indicating different positions in the graph.
In this embodiment of the present application, the generating device of the navigation instruction pattern may also be built by a hardware device, for example, the generating device of the navigation instruction pattern may be built by one or more than two chips, and each chip may coordinate with each other to complete the generating method of the navigation instruction pattern set forth in each embodiment above. For another example, the navigation instruction graph generation apparatus may also be built up from various types of logic devices, such as general purpose processors, digital Signal Processors (DSPs), application Specific Integrated Circuits (ASICs), field Programmable Gate Arrays (FPGAs), single-chip computers, ARM (Acorn RISC Machine) or other programmable logic devices, discrete gate or transistor logic, discrete hardware components, or any combinations of these components.
The generating device of the navigation instruction graph in the embodiment of the application may be a device, or may be a component, an integrated circuit, or a chip in a terminal. The device may be a mobile electronic device or a non-mobile electronic device. By way of example, the mobile electronic device may be a cell phone, tablet computer, notebook computer, palm computer, vehicle-mounted electronic device, wearable device, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), netbook or personal digital assistant (personal digital assistant, PDA), etc., and the non-mobile electronic device may be a server, network attached storage (Network Attached Storage, NAS), personal computer (personal computer, PC), television (TV), teller machine or self-service machine, etc., and the embodiments of the present application are not limited in particular.
The navigation instruction graph generating device in the embodiment of the present application may be a device having an operating system. The operating system may be an Android operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
The navigation instruction graph generating device provided in the embodiment of the present application can implement each process implemented in fig. 2, and in order to avoid repetition, a description thereof is omitted here.
It should be noted that, the generating device of the navigation instruction graph may execute the generating method of the navigation instruction graph provided in the embodiment of the present application, and has the corresponding functional module and beneficial effect of the executing method. Technical details not described in detail in the embodiment of the navigation instruction graph generating apparatus may refer to the method for generating the navigation instruction graph provided in the above embodiment.
In an embodiment of the present application, by providing a generating device of a navigation instruction graph, the generating device includes: the data acquisition module is connected with the indication line acquisition module and is used for acquiring indication data sent by the vehicle sensor and the GPS locator; the indication line acquisition module is respectively connected with the data acquisition module and the indication line processing module and is used for acquiring indication lines corresponding to the indication data according to the indication data; the instruction line processing module is respectively connected with the instruction line acquisition module and the graph generation module, and the checking and editing module is used for processing the instruction lines to obtain an instruction graph, wherein the instruction graph comprises at least one instruction line; and the graph generating module is connected with the indication line processing module and is used for determining the brightness and/or the color of different positions in the indication graph according to a preset rule so as to generate the navigation indication graph. According to the method and the device, the navigation indication graph is obtained in real time according to the indication data sent by the vehicle sensor and the GPS locator, more visual and intuitive navigation guidance can be provided for a driver, and the dynamic navigation guidance effect is improved.
Referring to fig. 10 again, fig. 10 is a schematic structural diagram of a vehicle head-up display according to an embodiment of the present application;
as shown in fig. 10, the in-vehicle head-up display 10 includes one or more processors 101 and a memory 102. In fig. 10, a processor 101 is taken as an example.
The processor 101 and the memory 102 may be connected by a bus or otherwise, for example in fig. 10.
The processor 101 is configured to provide computing and control capabilities to control the on-vehicle head-up display 10 to perform corresponding tasks, for example, control the on-vehicle head-up display 10 to perform the method for obtaining the navigation instruction pattern in any of the method embodiments described above, where the method includes: acquiring indication data sent by a vehicle sensor and a GPS (global positioning system) locator; acquiring an indication line corresponding to the indication data according to the indication data; processing the indication lines to obtain an indication graph, wherein the indication graph comprises at least one indication line; and determining the brightness and/or the color of different positions in the indication graph according to a preset rule so as to generate the navigation indication graph.
According to the method and the device, the navigation indication graph is obtained in real time according to the indication data sent by the vehicle sensor and the GPS locator, more visual and intuitive navigation guidance can be provided for a driver, and the dynamic navigation guidance effect is improved.
The processor 101 may be a general purpose processor including a central processing unit (Central Processing Unit, CPU), a network processor (Network Processor, NP), a hardware chip, or any combination thereof; it may also be a digital signal processor (Digital Signal Processing, DSP), application specific integrated circuit (Application Specific Integrated Circuit, ASIC), programmable logic device (programmable logic device, PLD), or a combination thereof. The PLD may be a complex programmable logic device (complex programmable logic device, CPLD), a field-programmable gate array (field-programmable gate array, FPGA), general-purpose array logic (generic array logic, GAL), or any combination thereof.
The memory 102 is used as a non-transitory computer readable storage medium, and can be used to store a non-transitory software program, a non-transitory computer executable program, and a module, such as program instructions/modules corresponding to the method for acquiring the navigation instruction graphics in the embodiment of the present application. The processor 101 may implement the method for acquiring the navigation instruction pattern in any of the method embodiments described below by running non-transitory software programs, instructions and modules stored in the memory 102. In particular, the memory 102 may include Volatile Memory (VM), such as random access memory (random access memory, RAM); the memory 102 may also include a non-volatile memory (NVM), such as read-only memory (ROM), flash memory (flash memory), hard disk (HDD) or Solid State Drive (SSD), or other non-transitory solid state storage devices; the memory 102 may also include a combination of the types of memory described above.
The memory 102 may include high-speed random access memory and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, memory 102 may optionally include memory located remotely from processor 101, which may be connected to processor 101 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
One or more modules are stored in the memory 102 that, when executed by the one or more processors 101, perform the method of obtaining a navigation instruction graph in any of the method embodiments described above, for example, performing the steps shown in fig. 2 described above; the functions of the various modules of fig. 9 may also be implemented.
In this embodiment of the present application, the vehicle head-up display 10 may further have a wired or wireless network interface, an input/output interface, and other components for implementing the functions of the device, which are not described herein.
The present application also provides a non-transitory computer readable storage medium, such as a memory including program code executable by a processor to perform the method of obtaining the navigation instruction pattern in the above embodiments. For example, the non-volatile computer readable storage medium may be a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a compact disc Read-Only Memory (CDROM), a magnetic tape, a floppy disk, an optical data storage device, and the like.
Embodiments of the present application also provide a computer program product comprising one or more program codes stored in a non-volatile computer-readable storage medium. The processor of the in-vehicle head-up display reads the program code from the non-volatile computer readable storage medium, and the processor executes the program code to complete the method steps of the navigation instruction graph acquisition method provided in the above-described embodiment.
It will be appreciated by those of ordinary skill in the art that all or part of the steps of implementing the above embodiments may be implemented by hardware, or may be implemented by program code related hardware, and the program may be stored in a non-volatile computer readable storage medium, where the storage medium may be a read only memory, a magnetic disk or optical disk, etc.
From the above description of embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus a general purpose hardware platform, or may be implemented by hardware. Those skilled in the art will appreciate that all or part of the processes implementing the methods of the above embodiments may be implemented by a computer program for instructing relevant hardware, and the program may be stored in a computer readable storage medium, and the program may include processes of the embodiments of the methods described above when executed. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), or the like.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; the technical features of the above embodiments or in the different embodiments may also be combined under the idea of the present application, the steps may be implemented in any order, and there are many other variations of the different aspects of the present application as described above, which are not provided in details for the sake of brevity; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (11)
1. The method for generating the navigation instruction graph is characterized by being applied to a vehicle-mounted head-up display, wherein the vehicle-mounted head-up display is in communication connection with a vehicle sensor and a GPS (global positioning system) positioner, and the method comprises the following steps:
acquiring indication data sent by the vehicle sensor and the GPS locator;
acquiring an indication line corresponding to the indication data according to the indication data;
Processing the indication lines to obtain an indication graph, wherein the indication graph comprises at least one indication line;
and determining the brightness and/or the color of different positions in the indication graph according to a preset rule so as to generate a navigation indication graph.
2. The method of claim 1, wherein the indication data includes left turn indication data, right turn indication data, turn around indication data, and straight line indication data, the indication line includes a parabola or a straight line, and the method further includes, before acquiring the indication line corresponding to the indication data:
when the indication data are left turn indication data or right turn indication data or turning around indication data, determining an indication line corresponding to the indication data as a parabola;
and when the indication data are straight indication data, determining an indication line corresponding to the indication data as a straight line.
3. The method according to claim 2, wherein the obtaining, according to the indication data, an indication line corresponding to the indication data includes:
when the indication data are left-turning indication data or right-turning indication data, acquiring parabolas corresponding to the left-turning indication data or right-turning indication data, wherein an opening of the parabolas corresponding to the left-turning indication data is rightward, and an opening of the parabolas corresponding to the right-turning indication data is leftward;
When the indication data are turning indication data, acquiring a parabola corresponding to the turning indication data, wherein an opening of the parabola corresponding to the turning indication data is downward;
and when the indication data are straight indication data, acquiring a straight line corresponding to the straight indication data, wherein the slope of the straight line corresponding to the straight indication data is zero.
4. A method according to claim 3, wherein said processing said indicator line to obtain an indicator graphic comprises:
when the indication data are left turn indication data or right turn indication data or turning around indication data, translating and/or scaling the parabola to obtain the indication graph;
and when the indication data are straight indication data, translating and/or scaling the straight line to obtain the indication graph.
5. The method according to claim 2, wherein the preset rules comprise a first preset rule, and wherein the determining the brightness and/or color of different positions in the indication graph according to the preset rules to generate the navigation indication graph comprises:
determining the brightness of different positions in the indication graph according to a first preset rule, wherein the first preset rule comprises: when the indication data are left turn indication data or right turn indication data, setting the vertex of a parabola in the indication graph as a point with maximum brightness, and determining the brightness of other points in the parabola according to the distance between the other points in the parabola and the vertex, wherein the brightness of the other points is inversely related to the distance; and when the indication data are turning indication data, setting the vertex of the parabola in the indication graph as a point with minimum brightness, and determining the brightness of other points in the parabola according to the distance between the other points in the parabola and the vertex, wherein the brightness of the other points is positively correlated with the distance.
6. The method of claim 5, wherein the predetermined rules include a second predetermined rule, wherein the determining the brightness and/or color of different locations in the indication pattern according to the predetermined rule to generate the navigation indication pattern further comprises:
determining an initial color and a termination color of the indication line, wherein the initial color is a color corresponding to the head end of the indication line, and the termination color is a color corresponding to the tail end of the indication line;
and calculating the transition color between the initial color and the termination color according to the second preset rule so as to determine the colors of different positions in the indication graph.
7. The method of claim 6, wherein the second predetermined rule includes a color interpolation function, and wherein calculating a transition color between the starting color and the ending color according to the second predetermined rule to determine colors at different locations in the indicated graphic comprises:
respectively acquiring a red component, a green component and a blue component of the starting color and the ending color;
determining interpolation step sizes of the red component, the green component and the blue component of the transition color according to the number of the transition colors and the red component, the green component and the blue component of the starting color and the ending color;
Calculating the red component, the green component and the blue component of the transition color between the initial color and the termination color according to the color difference function and the interpolation step length of the red component, the green component and the blue component of the transition color;
and obtaining the transition color according to the red component, the green component and the blue component of the transition color between the starting color and the ending color.
8. The method of claim 7, wherein determining interpolation steps for the red, green, and blue components of the transition colors based on the number of transition colors and the red, green, and blue components of the start and end colors comprises:
interpolation step size of red component of transition color= (red component of end color-red component of start color)/number of transition colors,
interpolation step size of green component of transition color= (green component of end color-green component of start color)/number of transition colors,
interpolation step size of blue component of transition color= (blue component of end color-blue component of start color)/number of transition colors.
9. The method of claim 7, wherein calculating the red, green, and blue components of the transition color between the start and end colors based on the color difference function and interpolation steps of the red, green, and blue components of the transition color, comprises:
Red component of transition color = red component of starting color + i interpolation step of red component of transition color,
green component of transition color = green component of starting color + i the interpolation step size of green component of transition color,
blue component of transition color = blue component of starting color + i interpolation step size of blue component of transition color, where the value range of i is [1, N ], N is the number of transition colors.
10. A vehicle head-up display, comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of obtaining a navigation instruction graph according to any one of claims 1-9.
11. A non-transitory computer-readable storage medium, wherein a computer program or instructions is stored in the non-transitory computer-readable storage medium, which when executed, implements the method of acquiring a navigation instruction pattern according to any one of claims 1 to 9.
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