CN114265330B - Augmented reality display effect evaluation system and method based on simulated flight - Google Patents

Augmented reality display effect evaluation system and method based on simulated flight Download PDF

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CN114265330B
CN114265330B CN202111552713.5A CN202111552713A CN114265330B CN 114265330 B CN114265330 B CN 114265330B CN 202111552713 A CN202111552713 A CN 202111552713A CN 114265330 B CN114265330 B CN 114265330B
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pilot
augmented reality
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CN114265330A (en
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熊端琴
张焱
林榕
戈含笑
杨柳
杜健
胡译文
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Air Force Specialty Medical Center of PLA
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Abstract

The invention belongs to the technical field of augmented reality effect evaluation, and particularly discloses an augmented reality display effect evaluation system and method based on simulated flight, wherein the system comprises the following steps: information processing module, display, AR glasses and simulated flight control stick. The display is used for displaying the flight information without information enhancement in the dynamic simulation flight task; the AR glasses are used for displaying flight information with information enhancement in the dynamic simulation flight task. In the two dynamic simulation flight tasks with and without information enhancement, a pilot completes the flight tasks according to the indication of a display and AR glasses respectively, in the execution process of the flight tasks, experimental achievement data of the flight tasks of the pilot are recorded through an information processing module, finally, the experimental task data with and without information enhancement are compared and analyzed, whether differences of the two sets of data have statistical significance or not is compared, and therefore the AR augmented reality display effect is deduced.

Description

Augmented reality display effect evaluation system and method based on simulated flight
Technical Field
The invention belongs to the technical field of augmented reality display effect evaluation, and particularly relates to an augmented reality display effect evaluation system and method based on simulated flight.
Background
The augmented reality (Augmented Reality, abbreviated as AR) technology is a technology of overlapping a virtual object, which is not present in the real world, in the real environment, that is, overlapping the virtual object and the real world in the same space, by an information processing module technology. The technology displays the information in the real world, synchronously displays the information in the virtual world, and blurs the boundary between the real world and the virtual world, so that people are fully immersed in the experienced atmosphere. AR display technology has been applied in a wide variety of fields including medical, military, mechanical manufacturing-assembly-maintenance, education, and life entertainment.
At present, theoretical training and simulator training are mostly adopted for pilot training. The theoretical training stage is responsible for ground instructors, and the simulation machine training is explained by combining operation of flight instructors. The simulation machine 1:1 restores the live-action in the cabin, instruments, equipment and materials are identical to those of a real aircraft, and the simulation machine comprises takeoff, landing weightlessness and air flow jolting and the like, so that students can feel 100% of actual operation feeling. However, the current simulator is very expensive, and many students cannot directly use the simulator for training; on the other hand, the AR function is unstable, and serious people can affect the user experience, and even the simulation effect cannot be achieved. Therefore, aiming at the application of the technology in flight, an evaluation experiment system based on the AR effect of simulated flight is developed, and a corresponding experiment method is established, so that the method has wide application prospect.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to provide an augmented reality display effect evaluation system and method based on simulated flight, which can solve the problem that AR display effect which is conventionally applied to flight simulation tasks cannot be evaluated.
The invention provides an augmented reality display effect evaluation system based on simulated flight, which is characterized by comprising: the device comprises an information processing module, a display, AR glasses and a simulated flight control lever;
the display is used for displaying the flight information without information enhancement in the dynamic simulation flight task, and the pilot operates the simulation flight control lever to perform simulation flight according to the prompt of the display;
the AR glasses are used for displaying flight information with information enhancement in the dynamic simulation flight task, and the pilot operates the simulation flight control lever to perform simulation flight according to the prompting of the AR glasses;
the information processing module is used for recording experimental score data of each pilot in the dynamic simulation flight task.
Preferably, the dynamic simulation flight mission comprises a plurality of pilots with flight experience, all pilots are divided into a group A test subjects and a group B test subjects;
the A group is tried to finish the dynamic simulation flight task without information enhancement, and then finish the dynamic simulation flight task with information enhancement;
the group B is tried to complete the dynamic simulation flight task with information enhancement and then complete the dynamic simulation flight task without information enhancement.
Preferably, the pilot is configured to perform simulated flight tasks according to the display screen and/or the prompts of the AR display information, respectively, without being limited to:
take-off, ascent, cruising, ground target search, air-to-ground assault, return and landing.
Preferably, the augmentation information includes various waypoint information, ground target information, and runway information of a landing airport when the pilot cruises in the simulated flight mission.
Preferably, the information processing module comprises an image detection model for detecting virtual object type parameters and virtual object position parameters in the simulated flight process.
Preferably, the number of the predicted values of the virtual object type parameter is at least two, different predicted values correspond to different virtual object types, and any predicted value indicates the probability that a virtual object with a corresponding virtual object type exists in the image displayed by the system;
displaying the evaluation effect according to the predicted value of the virtual object detection parameter, including:
in the probabilities indicated by at least two predicted values, determining that the system loading function is in a normal state under the condition that the probability with the largest numerical value is larger than the preset probability corresponding to the corresponding virtual object type; otherwise, determining that the system loading function is in an abnormal state.
Preferably, the system further comprises a cockpit simulation frame, a simulation seat, a simulation control panel, a gesture capturing device for being worn by a user, and a processing device, wherein the simulation flight control lever, the simulation seat and the simulation control panel are all arranged in the cockpit simulation frame;
the processing device is connected with the gesture capturing device, the simulation control panel and the AR glasses, the gesture capturing device is used for capturing gesture information of a user in real time and feeding back the gesture information to the processing device, the simulation flight control lever and the simulation control panel are used for feeding back control information triggered by the user to the processing device in real time, and the processing device is used for sending corresponding augmented reality images to the AR glasses for display according to the gesture capturing device, the simulation flight control lever and the real-time feedback information of the simulation control panel.
The invention also provides an augmented reality display effect evaluation method based on simulated flight, which is applied to the system and comprises the following steps:
displaying flight information without information enhancement in the dynamic simulation flight task through a display, and controlling a simulation flight control lever to perform simulation flight by a pilot according to the prompt of the display;
displaying flight information with information enhancement in the dynamic simulation flight task through the AR glasses, and controlling a simulation flight control lever to perform simulation flight by a pilot according to the prompting of the AR glasses;
and recording experimental achievement data of each pilot in the dynamic simulation flight task through an information processing module.
Compared with the prior art, the system and the method for evaluating the augmented reality display effect based on simulated flight, provided by the invention, comprise the following steps: the device comprises an information processing module, a display, AR glasses and a simulated flight control lever; the display is used for displaying the flight information without information enhancement in the dynamic simulation flight task, and the pilot operates the simulation flight control lever to perform simulation flight according to the prompt of the display; the AR glasses are used for displaying flight information with information enhancement in the dynamic simulation flight task, and the pilot operates the simulation flight control lever to perform simulation flight according to the prompting of the AR glasses; the information processing module is used for recording experimental score data of each pilot in the dynamic simulation flight task. In the two dynamic simulation flight tasks with and without information enhancement, a pilot respectively carries out the flight tasks according to the indication of a display and AR glasses, in the execution process of the flight tasks, experimental achievement data of the flight tasks of the pilot are recorded through an information processing module, finally, experimental task data under the two conditions with and without information enhancement are compared and analyzed, whether differences of the two groups of data have statistical significance is compared, and therefore the AR augmented reality effect is deduced.
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FIG. 1 is a functional block diagram of an augmented reality display effect assessment system based on simulated flight according to the present invention.
Detailed Description
The following detailed description of embodiments of the invention is, therefore, to be taken in conjunction with the accompanying drawings, and it is to be understood that the scope of the invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the term "comprise" or variations thereof such as "comprises" or "comprising", etc. will be understood to include the stated element or component without excluding other elements or components.
As shown in fig. 1, an embodiment of the present invention provides an augmented reality display effect evaluation system based on simulated flight, the system comprising: the device comprises an information processing module, a display, AR glasses and a simulated flight control lever; the display is used for displaying the flight information without information enhancement in the dynamic simulation flight task, and the pilot operates the simulation flight control lever to perform simulation flight according to the prompt of the display; the AR glasses are used for displaying flight information with information enhancement in the dynamic simulation flight task, and the pilot operates the simulation flight control lever to perform simulation flight according to the prompting of the AR glasses; the information processing module is used for recording experimental score data of each pilot in the dynamic simulation flight task. In the two dynamic simulation flight tasks with and without information enhancement, a pilot completes the flight tasks according to the indication of a display and AR glasses respectively, in the execution process of the flight tasks, experimental achievement data of the flight tasks of the pilot are recorded through an information processing module, finally, the experimental task data with and without information enhancement are compared and analyzed, whether differences of the two sets of data have statistical significance or not is compared, and therefore AR augmented reality effects are deduced.
Based on dynamic simulation flight tasks, the system completes actual operation by a large sample pilot under the two conditions of presence and absence of augmented reality display of task information, obtains objective simulation task performance data, and enhances the effect on the simulation flight tasks by comparing analysis information.
Further, the dynamic simulation flight mission comprises a plurality of pilots with flight experience, and all pilots are divided into a group A and a group B to be tested as experimental objects; the A group is tried to finish the dynamic simulation flight task without information enhancement, and then finish the dynamic simulation flight task with information enhancement; the group B is tried to complete the dynamic simulation flight task with information enhancement and then complete the dynamic simulation flight task without information enhancement. Each group of pilots has similar experiences, are randomly divided into a group A and a group B, and then perform respective dynamic simulation flight tasks. Specifically, the group A carries out dynamic simulation flight tasks without information enhancement, and when the flight tasks are started, pilots carry out flight according to prompts of information displayed by a display. Experimental data for the pilot's mission by looking only at the display may be obtained. And recording experimental data in the flight process by an information processing module for subsequent comparison and analysis. And then carrying out a dynamic simulation flight task with information enhancement, wherein the AR glasses provide the information with enhancement function for the pilot while the pilot watches the display to fly, and the information processing module records corresponding experimental data. And finally, comparing and analyzing experimental data with information enhancement and without information enhancement so as to infer the effect of AR augmented reality.
Further, the pilot is configured to perform the following simulated flight tasks according to the display screen and/or the indication of the AR display information: take-off, ascent, cruising, ground target search, air-to-ground assault, return and landing. Starting the system, and teaching experiment purposes, experiment tasks and notes to a pilot by a pilot; the pilot logs in the system to fill in basic information; training a simulation task, wherein each pilot firstly exercises the simulation task so as to be familiar with a basic experimental task flow, an experimental method and notes; and then formally carrying out normal take-off, keeping the speed-up in a rising state, displaying information prompts according to display images and/or AR according to instructions of display instructions or instructions of AR glasses, cruising, searching ground targets, locking targets and throwing bullets according to instructions. After 1 hit is completed, implementing the same method according to the instruction until the hit tasks of 3 ground targets are completed, and returning to the navigation and landing; the information processing module of the system automatically records experimental achievement data to be tested and can export the data into an excel file. And finally, comparing and analyzing experimental task data of all tested under the two conditions of information enhancement and non-information enhancement, and comparing whether the difference between the two groups of data has statistical significance, so as to infer the AR augmented reality effect.
The enhancement information comprises information of each waypoint, ground target information and runway information of a landing airport when a pilot cruises in a simulated flight mission. The augmented information can be displayed and prompted through the AR glasses, the pilot can directly perceive in the simulated flight task, if the information provided in the AR glasses is good in augmented effect, the pilot can better complete the flight task, experimental achievement data can be better, and therefore the AR augmented reality effect is good at the moment can be inferred. If the information provided in the AR glasses has a poor enhancement effect or a fault occurs, the information has no statistical significance with experimental data of the flight mission without the enhancement information, and thus, it can be inferred that the effect of the AR augmented reality is poor at this time.
Further aspects, the augmentation information includes one or more of a positioning unit, altimeter, gyroscope, accelerometer, and one or more of a spatial position, altitude, angle of rotation, and angular acceleration of rotation of the aircraft in the simulated flight mission.
Preferably, the information processing module comprises an image detection model, and the image detection model is used for detecting virtual object type parameters and virtual object position parameters in the simulated flight process.
It can be seen that the virtual object type parameter and the virtual object position parameter are specific image parameters and position parameters of the ground target, and the image parameters include image size, shape, state and the like. If the image detection model can accurately detect the parameters in real time and can be displayed in the AR glasses, the pilot can acquire the parameter information, and the parameter information can be more accurate in the flight task process, such as when the pilot assaults the ground target. If the experimental data finally obtained shows no hit or has no statistical significance with the experimental data of pilots in flight missions without information enhancement, the AR augmented reality effect is not good.
Further, the number of the predicted values of the virtual object type parameter is at least two, different predicted values correspond to different virtual object types, and any predicted value indicates the probability that a virtual object with a corresponding virtual object type exists in an image displayed by the system; displaying the evaluation effect according to the predicted value of the virtual object detection parameter, including: in the probabilities indicated by at least two predicted values, determining that the system loading function is in a normal state under the condition that the probability with the largest numerical value is larger than the preset probability corresponding to the corresponding virtual object type; otherwise, determining that the system loading function is in an abnormal state. Under the condition that AR glasses are held, if the predicted value of the AR glasses is accurate, the predicted value is finally reflected to the ground target which can be precisely hit in the process of executing the flight task by the pilot, and the system loading function is in a normal state, namely, the AR augmented reality effect is obvious.
The system further comprises a cockpit simulation frame, a simulation seat, a simulation control panel, gesture capturing equipment and a processing device, wherein the gesture capturing equipment and the processing device are used for being worn by a user, and the simulation flight control lever, the simulation seat and the simulation control panel are arranged in the cockpit simulation frame; the processing device is connected with the gesture capturing device, the simulation control panel and the AR glasses, the gesture capturing device is used for capturing gesture information of a user in real time and feeding back the gesture information to the processing device, the simulation flight control lever and the simulation control panel are used for feeding back control information triggered by the user to the processing device in real time, and the processing device is used for sending corresponding augmented reality images to the AR glasses for display according to the gesture capturing device, the simulation flight control lever and the real-time feedback information of the simulation control panel.
Specifically, the cockpit simulates a frame, a simulated seat, a simulated dashboard, a simulated flight stick, AR glasses, a gesture capture device, and a processing apparatus. The simulation seat, the simulation control panel, the simulation flight control lever are all arranged in the cockpit simulation frame, the processing device is arranged outside the cockpit simulation frame, and the simulation seat, the simulation control panel and the simulation flight control lever can be arranged in the cockpit simulation frame.
The processing device is connected with the gesture capturing device, the simulation control panel, the simulation flight control lever and the AR glasses, the connection mode is not limited, and the processing device can be wired connection in the forms of electronic wires and the like or wireless connection in the forms of Bluetooth and the like. The processing device can receive the information of each device and then display the corresponding information through the AR glasses.
The gesture capturing device is used for capturing gesture information of a user in real time and feeding back the gesture information to the processing device 4, the simulated flight control lever 6 and the simulated control panel 5 feed back the control information triggered by the user to the processing device 4 in real time, and the processing device 4 is used for sending corresponding augmented reality images to the AR glasses 3 for display according to the gesture capturing device, the simulated flight control lever 6 and the information fed back by the simulated control panel 5 in real time.
The embodiment of the invention also provides an augmented reality display effect evaluation method based on simulated flight, which is applied to the system and comprises the following steps:
displaying flight information without information enhancement in the dynamic simulation flight task through a display, and controlling a simulation flight control lever to perform simulation flight by a pilot according to the prompt of the display;
displaying flight information with information enhancement in the dynamic simulation flight task through the AR glasses, and prompting a pilot to operate a simulation flight control lever to perform simulation flight according to the display and the information enhancement in the AR glasses;
and recording experimental achievement data of each pilot in the dynamic simulation flight task through an information processing module.
The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims (6)

1. An augmented reality display effect assessment system based on simulated flight, the system comprising: the device comprises an information processing module, a display, AR glasses and a simulated flight control lever;
the display is used for displaying the flight information without information enhancement in the dynamic simulation flight task, and the pilot operates the simulation flight control lever to perform simulation flight according to the prompt of the display;
the AR glasses are used for displaying flight information with information enhancement in the dynamic simulation flight task, and the pilot operates the simulation flight control lever to perform simulation flight according to the prompting of the AR glasses;
the information processing module is used for recording experimental score data of each pilot in a dynamic simulation flight task; the information processing module comprises an image detection model, wherein the image detection model is used for detecting virtual object type parameters and virtual object position parameters in a simulated flight process; the number of the predicted values of the virtual object type parameters is at least two, different predicted values correspond to different virtual object types, and any predicted value indicates the probability that a virtual object with a corresponding virtual object type exists in an image displayed by the system;
displaying the evaluation effect according to the predicted value of the virtual object detection parameter comprises:
in the probabilities indicated by at least two predicted values, under the condition that the probability with the largest numerical value is larger than the preset probability corresponding to the corresponding virtual object type, determining that the system loading function is in a normal state; otherwise, determining that the system loading function is in an abnormal state.
2. The simulated flight based augmented reality display effect assessment system of claim 1, wherein the dynamic simulated flight mission comprises a plurality of pilots with flight experience, all pilots being grouped into groups a and B to be tested as subjects;
the A group is tried to finish the dynamic simulation flight task without information enhancement, and then finish the dynamic simulation flight task with information enhancement;
the group B is tried to complete the dynamic simulation flight task with information enhancement and then complete the dynamic simulation flight task without information enhancement.
3. The simulated flight based augmented reality display effect assessment system of claim 2, wherein the pilot is configured to perform simulated flight tasks in accordance with display screens and/or prompts for AR display information, respectively, without limitation:
take-off, ascent, cruising, ground target search, air-to-ground assault, return and landing.
4. The simulated flight based augmented reality display effect assessment system of claim 1, wherein the augmentation information comprises waypoint information, ground target information and runway information for landing an airport when the pilot is cruising in the simulated flight mission.
5. The simulated flight based augmented reality display effect assessment system of claim 1, further comprising a cockpit simulation frame, a simulation seat, a simulation dashboard, a gesture capture device for wearing by a user, a processing device, the simulation flight joystick, the simulation seat, the simulation dashboard being disposed within the cockpit simulation frame;
the processing device is connected with the gesture capturing device, the simulation control panel and the AR glasses, the gesture capturing device is used for capturing gesture information of a user in real time and feeding back the gesture information to the processing device, the simulation flight control lever and the simulation control panel are used for feeding back control information triggered by the user to the processing device in real time, and the processing device is used for sending corresponding augmented reality images to the AR glasses for display according to the gesture capturing device, the simulation flight control lever and the real-time feedback information of the simulation control panel.
6. An augmented reality display effect assessment method based on simulated flight, wherein the method is applied to the system of any one of claims 1 to 5, the method comprising:
displaying flight information without information enhancement in the dynamic simulation flight task through a display, and controlling a simulation flight control lever to perform simulation flight by a pilot according to the prompt of the display;
displaying flight information with information enhancement in the dynamic simulation flight task through the AR glasses, and controlling a simulation flight control lever to perform simulation flight by a pilot according to the prompting of the AR glasses;
and recording experimental achievement data of each pilot in the dynamic simulation flight task through an information processing module.
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