CN109246358B - Control method and system for roof camera - Google Patents
Control method and system for roof camera Download PDFInfo
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- CN109246358B CN109246358B CN201811274807.9A CN201811274807A CN109246358B CN 109246358 B CN109246358 B CN 109246358B CN 201811274807 A CN201811274807 A CN 201811274807A CN 109246358 B CN109246358 B CN 109246358B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/62—Control of parameters via user interfaces
Abstract
The invention discloses a control method and a system of a car roof camera, wherein the method comprises the following steps: displaying a control interface of the roof camera on the large central control screen; receiving a first operation instruction for opening the roof camera in the control interface, and opening the roof camera according to the first operation instruction; detecting a touch gesture on the control interface, and displaying a rotation track preview of the roof camera in real time according to a real-time sliding track of the touch gesture; and controlling the roof camera according to the touch gesture. The invention can directly control the roof camera according to the touch operation of the user, can visually observe the control result of the touch gesture on the roof camera and visually observe the effect which can be achieved by adjusting and controlling the current touch gesture, thereby improving the adjusting efficiency of the roof camera, realizing accurate control on the roof camera according to the preview condition and being widely applied to the automobile industry.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to a control method and a control system for a roof camera.
Background
In modern high intelligent internet car, for better promotion visual experience, can be at the rotatory high definition digtal camera of 360 degrees of roof configuration, roof camera promptly. Through the configuration of the roof camera, images or videos in a range of 360 degrees around the automobile can be shot, a driver can be assisted in driving better, or the visual experience of passengers in the automobile is improved, and the wind and light along the way in the driving process of the automobile are recorded. In the prior art, the control of the roof camera can be realized only through simple up-down and left-right movement instructions, the control mode is monotonous, accurate control cannot be realized, an operator cannot accurately and intuitively know the effect which can be achieved by adjusting and controlling each time, the adjustment purpose can be realized only by repeatedly adjusting and controlling in the adjustment process, and the efficiency is low.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a method and a system for controlling a roof camera, which can control the roof camera according to a touch operation of a user.
On one hand, the embodiment of the invention provides a control method of a roof camera, which comprises the following steps:
displaying a control interface of the roof camera on the large central control screen;
receiving a first operation instruction for opening the roof camera in the control interface, and opening the roof camera according to the first operation instruction;
detecting a touch gesture on the control interface, and displaying a rotation track preview of the roof camera in real time according to a real-time sliding track of the touch gesture;
and controlling the roof camera according to the touch gesture.
Further, after the step of controlling the roof camera according to the touch gesture, the method further comprises the following steps:
and in the control interface, receiving a second operation instruction for closing the roof camera, and closing the roof camera according to the second operation instruction.
Further, a first icon representing the roof camera is displayed on the control interface, and the first icon is used for triggering a first operation instruction for opening the roof camera or a second operation instruction for closing the roof camera after being touched and clicked.
Further, the maximum rotation angle and the minimum rotation angle of the roof camera are displayed on the control interface.
Further, the step of detecting a touch gesture on the control interface and displaying a preview of a rotation trajectory of the roof camera in real time according to a real-time sliding trajectory of the touch gesture specifically includes:
detecting a touch gesture at the manipulation interface;
recording a starting point of the touch gesture and a real-time stopping position of the sliding process;
obtaining a real-time sliding track of the touch gesture according to the starting point and the real-time stopping position;
calculating to obtain a rotation angle of the roof camera according to the position of the first icon and the starting point and the end point of the real-time sliding track;
and displaying the rotation track of the roof camera in real time according to the rotation angle of the roof camera, and simultaneously displaying the shooting range of the roof camera in real time to form a rotation track preview of the roof camera.
Further, the step of controlling the roof camera according to the touch gesture specifically includes:
acquiring a rotation angle of the roof camera corresponding to the touch gesture;
generating a control instruction for the roof camera according to the rotation angle;
and sending the control instruction to the roof camera, and controlling the roof camera to rotate according to the rotation angle.
Further, the control method further includes the steps of:
and acquiring real-time pictures acquired by the roof camera in a repeated continuous rotation process, splicing the pictures, and sending the spliced pictures to the large central control screen for real-time display.
Further, the step of controlling the roof camera according to the touch gesture specifically includes:
and when the touch gesture is judged to be completed, controlling the roof camera according to the touch gesture.
Further, the control method further includes the steps of:
and when a remote control instruction for the roof camera is received, executing the remote control instruction, and synchronously displaying a control result of the roof camera on the control interface.
In another aspect, an embodiment of the present invention provides a control system for a roof camera, including:
at least one processor;
at least one memory for storing at least one program;
when the at least one program is executed by the at least one processor, the at least one processor is caused to implement the control method of the overhead camera according to the embodiment of the present invention.
The embodiment of the invention displays the control interface of the roof camera on the large central control screen, then receives a first operation instruction for opening the roof camera in the control interface, opens the roof camera according to the first operation instruction, detects the touch gesture of the control interface, displays the rotating track preview image of the roof camera in real time according to the real-time sliding track of the touch gesture, and finally controls the roof camera according to the touch gesture, thereby directly controlling the roof camera according to the touch operation of a user, and can display the rotating track preview image of the roof camera in real time according to the touch gesture of the user, so that the user can intuitively observe the control result of the roof camera by the touch gesture, can preview the state of the roof camera adjusted by the touch gesture, and intuitively observe the effect of the current touch gesture for adjusting control, therefore, the adjusting efficiency of the roof camera can be improved, and the roof camera can be accurately controlled according to the previewing condition.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a flowchart of a control method of a roof camera according to an embodiment of the present invention;
FIG. 2 is a schematic view of a manipulation interface in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of the calculation of the rotation angle of the vehicle-mounted camera according to the embodiment of the present invention;
fig. 4 is a block diagram of a control system of a roof camera according to an embodiment of the present invention.
Detailed Description
The step numbers in the embodiments of the present invention are set for convenience of illustration only, the order between the steps is not limited at all, and the execution order of each step in the embodiments can be adaptively adjusted according to the understanding of those skilled in the art. In addition, the terms "upper", "lower", "left" and "right" in the following embodiments are used only for clearly describing the positional relationship, and are relative positional relationship, not absolute positional relationship, and may be adaptively adjusted according to the understanding of those skilled in the art.
Method embodiment
Referring to fig. 1, the present embodiment provides a control method for a roof camera, which is executed by a central control large screen or a controller externally connected to the central control large screen, and the control method includes the following steps:
s1, displaying a control interface of the roof camera on the central control large screen; in this step, the control interface displayed on the central control large screen is used for performing touch control on the roof camera, the specific layout of the interface can be set according to the use preference or the user habit, for example, the control interface is set to be the upper half part for displaying the shooting picture of the roof camera, the lower half part for displaying the control condition of the roof camera, or the left side for displaying the shooting picture of the roof camera, the right side for displaying the control condition of the roof camera, and the like, and the contents such as the temperature in the vehicle can be displayed according to the needs.
S2, receiving a first operation instruction for opening the roof camera in the control interface, and opening the roof camera according to the first operation instruction;
specifically, the first operation instruction for opening the top camera may be generated by a user performing a touch and click operation in the control interface by using a hand or a touch pen, for example, the first operation instruction is generated by touch and click on a specific icon or symbol, or is generated by performing a selection and click operation in a pop-up window popped up by a specific component in the control interface after clicking the component. The method comprises the steps of receiving a first operation instruction for opening the roof camera, opening the roof camera according to the first operation instruction, specifically generating a corresponding opening instruction, forming a can message instruction through a vehicle-mounted system, converting the can message instruction into a message, and sending the message to a control mechanism of the roof camera, so that the control mechanism controls the roof camera to rise after receiving the message, and the roof camera is opened.
S3, detecting a touch gesture on the control interface, and displaying a rotation track preview image of the roof camera in real time according to the real-time sliding track of the touch gesture;
after the roof camera is opened according to the first operation instruction received by the control interface, a touch gesture on the control interface is detected, wherein the touch gesture is a gesture for controlling the roof camera by a user, therefore, a rotating track preview image of the roof camera is displayed in real time according to a real-time sliding track of the touch gesture, so that the user can visually observe a control result of the touch gesture on the roof camera, the state of the roof camera adjusted by the touch gesture can be previewed, the effect which can be achieved by adjusting and controlling the current touch gesture can be visually observed, and the adjusting efficiency of the roof camera can be improved.
And S4, controlling the roof camera according to the touch gesture.
In this step, can be according to user's real-time touch gesture control roof camera for roof camera follows user's touch gesture in real time and rotates, for example, follow the real-time trace of dragging of touch gesture, control roof camera and rotate in real time, this kind of mode, the user can swiftly adjust roof camera to the shooting angle that needs, and through the real-time picture of shooing of observing roof camera, can real-time dynamic look over any angle visual angle in the rotatable range of roof camera, and the video preview is clearer, the visual scope is also wider.
Preferably, another implementation manner of this step is: and when the touch gesture is judged to be completed, controlling the roof camera according to the touch gesture. In the real-time dragging process of the touch gesture, a rotation track preview image of the roof camera is displayed, so that the state of the roof camera can be adjusted by the preview touch gesture.
In practical application, the control mode of the roof camera can be selected according to specific needs, and the invention is not particularly limited.
In the embodiment, the control interface of the roof camera is displayed on the large central control screen, then the first operation instruction for opening the roof camera is received in the control interface, the roof camera is opened according to the first operation instruction, the touch gesture of the control interface is detected, the rotating track preview of the roof camera is displayed in real time according to the real-time sliding track of the touch gesture, and finally the roof camera is controlled according to the touch gesture, so that the roof camera can be controlled directly according to the touch operation of a user, the rotating track preview of the roof camera can be displayed in real time according to the touch gesture of the user, the control result of the touch gesture on the roof camera can be intuitively observed by the user, the state of the roof camera adjusted by the touch gesture can be previewed, and the effect which can be achieved by adjusting and controlling the current touch gesture can be intuitively observed, therefore, the adjusting efficiency of the roof camera can be improved, and the roof camera can be accurately controlled according to the previewing condition.
Further, after the step of controlling the roof camera according to the touch gesture, the method further comprises the following steps:
and S5, receiving a second operation instruction for closing the roof camera in the control interface, and closing the roof camera according to the second operation instruction.
Similarly, the second operation instruction for closing the overhead camera may be generated by a user performing a touch-click operation in the control interface by using a hand or a touch pen, for example, the second operation instruction is generated by performing a touch-click operation on a specific icon or symbol, or by performing a selection-click operation in a pop-up window popped up by a specific component in the control interface after clicking the specific component. And receiving a second operation instruction for opening the roof camera, opening the roof camera according to the second operation instruction, specifically, generating a corresponding closing instruction, forming a can message instruction through a vehicle-mounted system, converting the can message instruction into a message, and sending the message to a control mechanism of the roof camera, so that the control mechanism controls the roof camera to descend after receiving the message, and closing the roof camera is realized.
Further, in a preferred embodiment, in the present embodiment, a first icon representing the overhead camera is displayed on the control interface, and the first icon is used for triggering a first operation instruction for turning on the overhead camera or a second operation instruction for turning off the overhead camera after being touched and clicked.
An example of the control interface of the present embodiment is shown in fig. 2, an arc 100 represents an angular range in which the roof camera can rotate, reference numeral 200 represents a first icon, 400 represents a preview area of the control interface, in which information such as a shooting screen of the roof camera can be previewed, and 300 represents an end point of the touch gesture.
Through the first icon 200 representing the roof camera displayed on the control interface, a user can perform touch click operation on the first icon 200 to open or close the roof camera, and the operation is more visual and convenient. For example, the first icon 200 triggers a first operation instruction to open the overhead camera after being touched and clicked for the first time, triggers a second operation instruction to close the overhead camera after being touched and clicked for the second time, triggers a first operation instruction to open the overhead camera after being touched and clicked for the third time, triggers a second operation instruction to close the overhead camera after being touched and clicked for the fourth time, and so on.
In addition, after the first icon 200 is touched and clicked, the display state can be changed, for example, the icon color, the filling color or the icon size can be changed, so that different states are represented, for example, when the first operation instruction for opening the overhead camera is touched and clicked for an odd number of times and triggered, the highlight state is displayed, and when the second operation instruction for closing the overhead camera is touched and clicked for an even number of times and triggered, the gray state is displayed, so that the opening or closing of the overhead camera is represented, and a user can know the working state of the overhead camera more intuitively.
In addition, the first icon 200 may be a vector diagram, a symbol, or an actual camera picture, and the present invention is not limited in particular.
Further, a second icon representing the automobile is displayed on the control interface, and the first icon 200 is displayed on the second icon in an overlapping manner. Also, the second icon may be a vector diagram, a symbol, or an actual car picture, and the invention is not limited in particular.
Further preferably, the maximum rotation angle and the minimum rotation angle of the roof camera are displayed on the control interface. The maximum rotation angle is a maximum angle that the roof camera can rotate to, and the minimum rotation angle is a minimum angle that the roof camera can rotate to, where the maximum rotation angle and the minimum rotation angle may be any values from 0 degree to 360 degrees, or may be any values from-180 degrees to 180 degrees, and are specifically determined according to the setting of the coordinate system. For example, in fig. 2, reference numeral 101 denotes a maximum range in which the overhead camera can be rotated to the left in fig. 2, 102 denotes a maximum range in which the overhead camera can be rotated to the right in fig. 2, and if it is defined that an angle of rotation to the left is-180 ° to 0 °, and an angle of rotation to the right is 0 ° to 180 °, 101 denotes a minimum rotation angle of the overhead camera, and 102 denotes a maximum rotation angle of the overhead camera.
Further as a preferred embodiment, the step S3 specifically includes:
s31, detecting a touch gesture on the control interface;
s32, recording the starting point of the touch gesture and the real-time stopping position of the sliding process;
s33, obtaining a real-time sliding track of the touch gesture according to the starting point and the real-time stopping position; in the touch process of the touch gesture, the stopping positions at different moments form a sliding track, so that the real-time sliding track of the touch gesture can be drawn according to the starting point and the real-time stopping position;
s34, calculating and obtaining the rotation angle of the roof camera according to the position of the first icon 200 and the starting point and the end point of the real-time sliding track;
referring to fig. 3, fig. 3 shows a schematic diagram of calculation of a rotation angle of a vehicle-mounted camera, in fig. 3, an arc 100 represents an angle range in which the vehicle-mounted camera can rotate, a center O represents a center of the vehicle-mounted camera, i.e., a position of a center of a first icon 200, a point a represents an intersection point of a connecting line of a start point of a sliding track and the center O on the arc 100, a point B represents an intersection point of a connecting line of an end point of the sliding track and the center O on the arc 100, reference numeral 101 represents a maximum range in which the vehicle-mounted camera can rotate to the left in fig. 3, and 102 represents a maximum range in which the vehicle-mounted camera can rotate to the right in fig. 3. In fig. 3, an angle AOB can be obtained as a rotation angle of the overhead camera based on the cosine theorem calculation according to three points O, A, B.
In addition, in fig. 3, the position of the point a is a fixed adjustment starting point when the roof camera is opened each time, when the roof camera rotates by a certain angle, and the starting point of the next touch gesture of the user is not at the point a, the rotation angle of the roof camera can also be calculated and obtained according to the cosine law, as long as the starting point and the end point of the next touch gesture are both taken as the end point B in fig. 3, after two rotation angles are obtained by calculation, the two rotation angles are subtracted from each other, and the rotation angle of the roof camera is obtained.
And S35, displaying the rotation track of the roof camera in real time according to the rotation angle of the roof camera, and simultaneously displaying the shooting range of the roof camera in real time to form a rotation track preview of the roof camera. Here, the rotation trajectory of the overhead camera refers to an arc drawn according to a rotation angle of the overhead camera, for example, an arc from a start point (not shown) of the touch gesture to an end point 300 of the touch gesture in fig. 2. For ease of viewing, the arc may be provided as an arrowed arc. The shooting range of the roof camera refers to the angle that can be shot by the roof camera, and can be displayed in the form of lines or shadows and the like, so that a user can visually observe the shooting range conveniently, and in fig. 2, a sector area formed by two line segments drawn from the center of the first icon 200 is the shooting range of the roof camera. Therefore, a user can directly see the current alignment direction and rotation angle of the roof camera, the approximate visual angle coverage range and the preview picture on the control interface, and the roof camera is simple and convenient without getting off.
In the step, the Canvas drawing tool can be used for drawing the rotation track preview, and the adoption of the mode for drawing the rotation track preview only needs to occupy few resources, is convenient and simple, and does not have the blockage of pictures in the preview process.
Further as a preferred embodiment, the step S4 specifically includes:
s41, acquiring a rotation angle of the roof camera corresponding to the touch gesture;
s42, generating a control instruction for the roof camera according to the rotation angle;
and S43, sending the control command to the roof camera, and controlling the roof camera to rotate according to the rotation angle.
More specifically, step S43 specifically includes: and sending the control instruction to a control mechanism of the roof camera, so that the control mechanism controls the roof camera to rotate according to the rotation angle. The specific execution process of the control instruction is the same as the first operation instruction and the second operation instruction, and a can message instruction is formed through the vehicle-mounted system and then is converted into a message and sent to the control mechanism.
Further as a preferred embodiment, the control method further includes the steps of:
and S6, acquiring real-time pictures acquired by the roof camera in a multiple continuous rotation process, splicing the pictures, and sending the spliced pictures to the large central control screen for real-time display.
Specifically, when the roof camera is used for image acquisition, real-time pictures acquired in the multiple continuous rotation process of the roof camera are acquired, and the pictures are spliced to form a panoramic picture, so that the panoramic picture is sent to a large central control screen for real-time display. When the car roof camera carries out video acquisition, the essence of the video is formed by a plurality of picture frames, so that the real-time pictures acquired in the process of continuous rotation for a plurality of times can be acquired through the steps, and the panoramic video is formed after picture splicing, so that the panoramic video is sent to the large central control screen for real-time display.
The method can realize that a driver carries out panoramic photographing under the condition that the driver does not get off the vehicle in the vehicle, and when a photographing shutter of the roof camera is pressed, the camera continuously rotates through a touch gesture of a control interface within photographing time, so that a long panoramic photo is formed for photographing photos within the maximum rotatable range of the roof camera, the panoramic photographing is similar to that of a mobile phone or other cameras, and the spliced pictures can be photographed within a certain angle range according to user requirements. Similarly, the driver can perform all-round video recording within a rotatable range in the vehicle, and record all videos in the range.
Further as a preferred embodiment, the control method further includes the steps of:
and S7, when a remote control instruction for the roof camera is received, executing the remote control instruction, and synchronously displaying the control result of the roof camera on the control interface.
The remote control instruction refers to control instructions for opening, rotating and closing the roof camera and the like sent by a user through a mobile phone or other intelligent mobile terminals, when the remote control instruction is received, the remote control instruction is executed, and a control result of the roof camera is synchronously displayed on an operation interface, so that a driver can directly view the real-time state of the roof camera on the operation interface.
In addition, in the method, urban traffic information such as traffic lights, pedestrians ahead, curves and the like can be captured in real time according to the picture shot by the roof camera, the captured information is transmitted back to the central control large-screen system in real time and is analyzed by the related intelligent driving system, and therefore the driver is prompted in real time.
System embodiment
Referring to fig. 4, the present embodiment provides a control system of a roof camera, including:
at least one processor;
at least one memory for storing at least one program;
when the at least one program is executed by the at least one processor, the at least one processor is enabled to realize the control method and system of the overhead camera.
The control system of the roof camera in the embodiment can execute the control method of the roof camera provided by the embodiment of the method of the invention, can execute any combination of the implementation steps of the embodiment of the method, and has corresponding functions and beneficial effects of the method.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. A control method of a vehicle roof camera is characterized by comprising the following steps:
displaying a control interface of the roof camera on the large central control screen;
receiving a first operation instruction for opening the roof camera in the control interface, and opening the roof camera according to the first operation instruction;
detecting a touch gesture on the control interface, and displaying a rotation track preview of the roof camera in real time according to a real-time sliding track of the touch gesture;
controlling a roof camera according to the touch gesture;
a first icon representing the roof camera is displayed on the operation interface, and the first icon is used for triggering a first operation instruction for starting the roof camera after being touched and clicked;
the step of detecting the touch gesture on the control interface and displaying the rotating track preview of the roof camera in real time according to the real-time sliding track of the touch gesture specifically comprises the following steps:
detecting a touch gesture at the manipulation interface;
recording a starting point of the touch gesture and a real-time stopping position of the sliding process;
obtaining a real-time sliding track of the touch gesture according to the starting point and the real-time stopping position;
calculating to obtain a rotation angle of the roof camera according to the position of the first icon and the starting point and the end point of the real-time sliding track;
and displaying the rotation track of the roof camera in real time according to the rotation angle of the roof camera, and simultaneously displaying the shooting range of the roof camera in real time to form a rotation track preview of the roof camera.
2. The control method of the overhead camera according to claim 1, further comprising the following steps after the step of controlling the overhead camera according to the touch gesture:
and in the control interface, receiving a second operation instruction for closing the roof camera, and closing the roof camera according to the second operation instruction.
3. The control method of the overhead camera according to claim 2, wherein the first icon is further used for triggering a second operation instruction for closing the overhead camera after being touched and clicked.
4. The control method of the overhead camera according to claim 3, wherein the maximum rotation angle and the minimum rotation angle of the overhead camera are further displayed on the control interface.
5. The control method of the overhead camera according to claim 1, wherein the step of controlling the overhead camera according to the touch gesture specifically comprises:
acquiring a rotation angle of the roof camera corresponding to the touch gesture;
generating a control instruction for the roof camera according to the rotation angle;
and sending the control instruction to the roof camera, and controlling the roof camera to rotate according to the rotation angle.
6. The control method of the overhead camera of claim 5, further comprising the steps of:
and acquiring real-time pictures acquired by the roof camera in a repeated continuous rotation process, splicing the pictures, and sending the spliced pictures to the large central control screen for real-time display.
7. The control method of the overhead camera according to claim 1, wherein the step of controlling the overhead camera according to the touch gesture includes:
and when the touch gesture is judged to be completed, controlling the roof camera according to the touch gesture.
8. The control method of the overhead camera of claim 1, further comprising the steps of:
and when a remote control instruction for the roof camera is received, executing the remote control instruction, and synchronously displaying a control result of the roof camera on the control interface.
9. A control system for a roof camera, comprising:
at least one processor;
at least one memory for storing at least one program;
when the at least one program is executed by the at least one processor, the at least one processor is caused to implement the control method of the overhead camera according to any one of claims 1 to 8.
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| CN201811274807.9A CN109246358B (en) | 2018-10-30 | 2018-10-30 | Control method and system for roof camera |
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