CN118042093A - Method, system, equipment and medium for triggering display correction of projector - Google Patents

Abstract

The application relates to a method, a system and a medium for triggering display correction of a projector, wherein the method is characterized in that the interface state and correction trigger information of the projector are detected, under the condition that the correction trigger information indicating the trigger correction is obtained at a first time, a second time for indicating the change of the interface state is obtained, a first comparison result is obtained by comparing a difference value between the first time and the second time with a preset time threshold value, and whether the projector is triggered to perform display correction is determined according to the correction trigger information according to the first comparison result. And further, whether the projector is triggered to perform display correction according to the correction trigger information is determined, the problem that the display correction function of the projector is triggered by mistake in the related art is solved, and the accurate trigger display correction function of the projector is improved.

Description

Method, system, equipment and medium for triggering display correction of projector

Technical Field

The present application relates to the field of projector technologies, and in particular, to a method, a system, and a medium for triggering display correction of a projector.

Background

The current intelligent projector is provided with an automatic focusing or automatic picture correcting function, namely display correction, when the vibration or movement of the projector is detected, the focusing or picture correcting function is adjusted, at the moment, the picture has definition or position change, and after adjustment is finished, the picture can be normally watched.

In the daily use of the projector, a user can cause the situation that the correction function is triggered by mistake in the use process of the projector, so that the use experience is affected.

Disclosure of Invention

The embodiment of the application provides a method, a system and a medium for triggering display correction of a projector, which are used for at least solving the problem of false triggering of a display correction function of the projector in the related art.

In a first aspect, an embodiment of the present application provides a method for triggering display correction by a projector, detecting an interface state of the projector and correcting trigger information;

acquiring second time of the interface state indication change under the condition that the correction triggering information indicating the triggering correction is acquired at the first time;

And comparing the difference value between the first time and the second time with a preset time threshold value to obtain a first comparison result, and determining whether to trigger the projector to display and correct according to the correction trigger information according to the first comparison result.

In an embodiment, after the obtaining the first comparison result, the method further comprises:

Acquiring first posture position information of the projector at the first time and second posture position information of the projector at the second time;

And comparing the first posture position information with the second posture position information to obtain a second comparison result, and determining whether to trigger the projector to display and correct according to the correction trigger information according to the first comparison result and the second comparison result.

In an embodiment, determining whether to trigger the projector to perform display correction according to the correction trigger information according to the first comparison result includes:

if the first comparison result is that the difference value between the first time and the second time is smaller than a preset time threshold value, the projector is not triggered to perform display correction;

And if the first comparison result is that the difference value between the first time and the second time is larger than or equal to a preset time threshold value, triggering the projector to display and correct according to the correction triggering information.

In an embodiment, acquiring the first pose position information of the projector at the first time and acquiring the second pose position information of the projector at the second time includes:

The first attitude position information comprises first angle information and first position information of the projector, the first angle information of the projector at the first time is obtained through a gyroscope sensor, and the first position information of the projector at the first time is obtained through an acceleration sensor;

The second posture position information comprises second angle information and second position information of the projector, the second angle information of the projector at the second time is obtained through the gyroscope sensor, and the second position information of the projector at the second time is obtained through the acceleration sensor.

In an embodiment, comparing the first pose location information and the second pose location information to obtain a second comparison result includes:

Judging whether the angle difference value between the first angle information and the second angle information is equal to a preset angle threshold value or not, and judging whether the distance difference value between the first position information and the second position information is equal to a preset distance threshold value or not;

The angle difference value between the first angle information and the second angle information is equal to a preset angle threshold value, and the distance difference value between the first position information and the second position information is equal to a preset distance threshold value, so that a second comparison result is obtained;

and taking the difference value of the angles between the first angle information and the second angle information as a second comparison result, wherein the difference value of the angles between the first position information and the second position information is not equal to a preset angle threshold value, and the difference value of the distances between the first position information and the second position information is not equal to a preset distance threshold value.

In an embodiment, determining whether to trigger the projector to perform display correction according to the correction trigger information according to the first comparison result and the second comparison result includes:

if the first comparison result is that the difference value between the first time and the second time is larger than or equal to a preset time threshold value, triggering the projector to display and correct according to the correction triggering information; and/or

And if the second comparison result is that the angle difference value between the first angle information and the second angle information is not equal to a preset angle threshold value, and the distance difference value between the first position information and the second position information is not equal to a preset distance threshold value, triggering the projector to display and correct according to the correction triggering information.

In one embodiment, detecting an interface state of a projector includes: and responding to receiving the hot plug information of the projector interface, and acquiring the interface state of the projector.

In a second aspect, an embodiment of the present application provides a system for triggering display correction by a projector, where the system includes a detection module, an acquisition module, and a call display correction function module, where:

The detection module is used for detecting the interface state of the projector and correcting the trigger information;

The acquisition module is used for acquiring a second time of the interface state indication change under the condition that the correction trigger information indicating the trigger correction is acquired at the first time;

And the display correction function module is used for comparing the difference value between the first time and the second time with a preset time threshold value to obtain a first comparison result, and determining whether to trigger the projector to display correction according to the correction trigger information according to the first comparison result.

In a third aspect, an embodiment of the present application provides a computer device, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the processor implements a method for triggering display correction by a projector according to the first aspect.

In a fourth aspect, embodiments of the present application provide a computer readable storage medium having stored thereon a computer program which when executed by a processor implements a method of projector-triggered display correction as described in the first aspect above.

The method, the system and the medium for triggering display correction of the projector have at least the following technical effects.

And under the condition that the correction trigger information indicating the trigger correction is obtained at the first time, obtaining the second time of the interface state indicating change, comparing the difference value between the first time and the second time with a preset time threshold value, obtaining a first comparison result, and determining whether to trigger the projector to display and correct according to the correction trigger information according to the first comparison result. According to the application, the condition of correcting the trigger information is detected at the first time, the second time of the interface state indication change is acquired, and whether the projector is triggered to display and correct according to the correction trigger information is further determined according to the first comparison result acquired at the first time and the second time, so that the problem of false triggering of the display and correction function of the projector in the related technology is solved, and the accurate trigger display and correction function of the projector is improved.

The details of one or more embodiments of the application are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the other features, objects, and advantages of the application.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:

FIG. 1 is a flow chart of a method of projector-triggered display correction;

FIG. 2 is a flow diagram illustrating a determination of whether to invoke a display correction function based on a first motion parameter and a second motion parameter, according to an example embodiment;

FIG. 3 is a schematic flow chart illustrating determining whether to trigger a projector to perform display correction based on a first comparison result and a second result, according to an example embodiment;

FIG. 4 is a flow diagram illustrating a determination of whether to perform display correction based on a triggered projector based on a second comparison result, according to an example embodiment;

FIG. 5 is a block diagram illustrating a system for projector-triggered display correction according to an exemplary embodiment;

Fig. 6 is a block diagram of an electronic device, according to an example embodiment.

Detailed Description

The present application will be described and illustrated with reference to the accompanying drawings and examples in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application. All other embodiments, which can be made by a person of ordinary skill in the art based on the embodiments provided by the present application without making any inventive effort, are intended to fall within the scope of the present application.

It is apparent that the drawings in the following description are only some examples or embodiments of the present application, and it is possible for those of ordinary skill in the art to apply the present application to other similar situations according to these drawings without inventive effort. Moreover, it should be appreciated that while such a development effort might be complex and lengthy, it would nevertheless be a routine undertaking of design, fabrication, or manufacture for those of ordinary skill having the benefit of this disclosure, and thus should not be construed as having the benefit of this disclosure.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly and implicitly understood by those of ordinary skill in the art that the described embodiments of the application can be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "a," "an," "the," and similar referents in the context of the application are not to be construed as limiting the quantity, but rather as singular or plural. The terms "comprising," "including," "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to only those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in connection with the present application are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as used herein means two or more. "and/or" describes an association relationship of an association object, meaning that there may be three relationships, e.g., "a and/or B" may mean: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship. The terms "first," "second," "third," and the like, as used herein, are merely distinguishing between similar objects and not representing a particular ordering of objects.

In a first aspect, an embodiment of the present application provides a method for correcting a triggered display of a projector, fig. 1 is a flowchart of a method for correcting a triggered display of a projector, and as shown in fig. 1, a method for correcting a triggered display of a projector includes:

step S101, detecting an interface state of the projector and correcting the trigger information.

Step S102, under the condition that correction trigger information indicating trigger correction is obtained at the first time, obtaining a second time of interface state indication change.

Step S103, comparing the difference value between the first time and the second time with a preset time threshold value to obtain a first comparison result, and determining whether to trigger the projector to display and correct according to the correction trigger information according to the first comparison result.

In summary, according to the method for triggering display correction of a projector provided by the embodiment of the application, by detecting the interface state and correction trigger information of the projector, under the condition that the correction trigger information indicating the trigger correction is obtained at the first time, the second time of the interface state indicating change is obtained, the difference value between the first time and the second time is compared with the preset time threshold value, the first comparison result is obtained, and whether the projector is triggered to perform display correction according to the correction trigger information is determined according to the first comparison result. According to the application, the condition of correcting the trigger information is detected at the first time, the second time of the interface state indication change is acquired, and whether the projector is triggered to display and correct according to the correction trigger information is further determined according to the first comparison result acquired at the first time and the second time, so that the problem of false triggering of the display and correction function of the projector in the related technology is solved, and the accurate trigger display and correction function of the projector is improved.

In one embodiment, step S101, detecting an interface state of the projector and correcting the trigger information. The method specifically comprises the following steps:

and acquiring the interface state of the projector in response to receiving the hot plug information of the projector interface.

In response to receiving projector movement and/or angular offset information, correction trigger information for the projector is obtained.

Optionally, the projector is based on the linux kernel, except the power interface, the projector interface supports hot plug, when hot plug occurs, the kernel can report uvent events to the projector, the projector can monitor the reporting events, and then the interface state of the projector can be obtained, and a basis is provided for determining whether to trigger the projector to display and correct subsequently through the interface state of the projector. The projector is provided with a gyroscope sensor and an accelerometer sensor or other position sensing sensors, the current up-down/left-right/front angle change is calculated in real time through the gyroscope sensor, the current space position (namely the inertial navigation principle) is calculated in real time through the accelerometer, and correction triggering information of the projector is obtained through receiving projector movement, vibration and/or angle offset information, so that a foundation is provided for determining whether the projector is triggered for display correction or not subsequently.

In one embodiment, step S102, in a case where correction trigger information indicating trigger correction is acquired at a first time, acquires a second time at which the interface state indicates a change. The method specifically comprises the following steps:

Optionally, in the case that correction trigger information indicating trigger correction is acquired at the first time, a second time at which a projector interface state indication change is detected is acquired. That is, under the condition of responding to the correction trigger information (first time), the second time of the interface state indication change is obtained, and then the first comparison result can be obtained according to the comparison between the difference value between the first time and the second time and the preset time threshold value. And determining whether to trigger the projector to perform display correction according to the correction trigger information according to the first comparison result, and improving the accurate trigger display correction function of the projector.

In one embodiment, step S103 is performed to compare the difference between the first time and the second time with a preset time threshold, obtain a first comparison result, and determine whether to trigger the projector to perform display correction according to the correction trigger information according to the first comparison result. The method specifically comprises the following steps:

and judging the difference value between the first time and the second time and a preset time threshold value.

If the first comparison result is that the difference value between the first time and the second time is smaller than the preset time threshold value, the projector is not triggered to perform display correction;

And if the first comparison result is that the difference value between the first time and the second time is larger than or equal to the preset time threshold value, triggering the projector to display and correct according to the correction triggering information.

Optionally, fig. 2 is a schematic flow chart showing a process of determining whether to trigger the projector to perform display correction according to the first comparison result according to an exemplary embodiment, and when the projector detects movement, vibration and/or angular offset, and prepares to call a focusing or screen correcting function, as shown in fig. 2, the moment is determined to be the first time (e.g., T1 in fig. 2). Detecting the states of all external interfaces of the projector in real time, if the states change, recording the time T0 of the state change, if the states change of the interfaces, updating the time T0, and always recording the time of the last interface state change, and determining the time as the second time (such as T0 in fig. 2). And comparing the difference value between the first time and the second time with a preset time threshold value to obtain a first comparison result. And if the first result is that the difference value between the first time and the second time is larger than or equal to the preset time threshold value, triggering the projector to display and correct according to the correction triggering information. The preset time threshold may be any one of 5-10 seconds (5 seconds, 6 seconds, 7 seconds, 8 seconds, 9 seconds, and 10 seconds), and in this embodiment, preferably, 5 seconds, and if the first result is that the difference between the first time and the second time is smaller than the preset time threshold, the projector does not have a preset motion state change. For example, if the preset time threshold is 5 seconds, the difference between the first time and the second time is 6 seconds, the first comparison result is that the difference between the first time and the second time is greater than or equal to the preset time threshold, and the projector is triggered to display and correct according to the correction trigger information. If the difference between the first time and the second time is 3 seconds, the first comparison result is that the difference between the first time and the second time is smaller than a preset time threshold value, and the projector is not triggered to perform display correction. Whether the projector is triggered to perform display correction according to the correction trigger information is determined according to the first comparison result, so that the accurate trigger display correction function of the projector can be further improved.

Fig. 3 is a schematic flow chart showing a process of determining whether to trigger a projector to perform display correction according to a first comparison result and a second result according to an exemplary embodiment, as shown in fig. 3, after the first comparison result is obtained, the method for triggering display correction by the projector further includes:

Step S201, acquiring first posture position information of a projector at a first time and second posture position information of the projector at a second time;

Step S202, comparing the first posture position information with the second posture position information to obtain a second comparison result, and determining whether to trigger the projector to display and correct according to the correction trigger information according to the first comparison result and the second comparison result.

And acquiring second attitude and position information of the projector at a second time by acquiring first attitude and position information of the projector at the first time. And comparing the first posture position information with the second posture position information to obtain a second comparison result, and further determining whether to trigger the projector to display and correct according to the correction trigger information according to the first comparison result and the second comparison result. The problem of the display correction function false triggering of the projector in the related art is solved, and the accurate trigger display correction function of the projector is improved.

In one embodiment, step S201 obtains first pose position information of the projector at a first time and obtains second pose position information of the projector at a second time. The method specifically comprises the following steps:

the first attitude position information comprises first angle information and first position information of the projector, the first angle information of the projector at the first time is obtained through a gyroscope sensor, and the first position information of the projector at the first time is obtained through an acceleration sensor;

the second attitude position information comprises second angle information and second position information of the projector, the second angle information of the projector at a second time is obtained through the gyroscope sensor, and the second position information of the projector at the second time is obtained through the acceleration sensor.

Optionally, a 6-axis sensor is disposed in the projector, and the 6-axis sensor includes a 3-axis gyroscope and a 3-axis acceleration sensor. Wherein the gyroscope may be used to determine a rotational pose (i.e., first and second angle information) of the projector, and the acceleration sensor may be used to determine a displacement pose (i.e., first and second position information) of the projector. The rotational gestures include angular accelerations of yaw angle (yaw), roll angle (roll), pitch angle (pitch), respectively, of yaw=Σa1t, pitch=Σa2t, roll=Σa3t, a1, a2, a 3; the displacement posture includes x1 = Σ0.5a4t2, x2 = Σ0.5a5t2, and x3 = Σ0.5a6t2, a4, a5, a6, which are accelerations in the front-back, left-right, up-down directions, and both the accelerations and the time are generated by the sensor. In this embodiment, the first position information and the second position information characterize the displacement of the projector in the set direction, specifically, the first position information and the second position information characterize the displacement of the projector in any one or more of front, rear, left, right, up and down directions. The first and second angle information characterize a rotation of the projector in a set direction, specifically, the first and second position information characterize an angular rotation of the projector in any one or more of a yaw angle (yaw), a roll angle (roll), a pitch angle (pitch). The interface state parameter characterizes the projector interface plug state. Through being provided with 6 sensors in the projecting apparatus, and then acquire projecting apparatus first gesture position information and second gesture position information, can confirm whether the projecting apparatus appears moving, vibration and/or angle offset information, and then confirm to call the display correction function according to the motion change, improve the projecting apparatus and accurately trigger the display correction function.

In one embodiment, step S202, the first pose position information and the second pose position information are compared to obtain a second comparison result, and whether to trigger the projector to perform display correction according to the correction trigger information is determined according to the second comparison result. The method specifically comprises the following steps:

and judging whether the angle difference value between the first angle information and the second angle information is equal to a preset angle threshold value or not, and judging whether the distance difference value between the first position information and the second position information is equal to a preset distance threshold value or not.

And the angle difference value between the first angle information and the second angle information is equal to a preset angle threshold value, and the distance difference value between the first position information and the second position information is equal to a preset distance threshold value, so that a second comparison result is obtained.

And taking the difference value of the angles between the first angle information and the second angle information as a second comparison result, wherein the difference value of the angles between the first position information and the second position information is not equal to a preset angle threshold value, and the difference value of the distances between the first position information and the second position information is not equal to a preset distance threshold value.

And if the second comparison result is that the angle difference value between the first angle information and the second angle information is not equal to the preset angle threshold value, and the distance difference value between the first position information and the second position information is not equal to the preset distance threshold value, triggering the projector to display and correct according to the correction triggering information.

Alternatively, fig. 4 is a schematic flow chart showing a process of determining whether to perform display correction according to a triggered projector according to a second comparison result according to an exemplary embodiment, as shown in fig. 4, when the projector detects vibration or movement, a current position of the projector, that is, an acceleration sensor position P0 in a stationary state is determined according to an acceleration sensor calculation, a current angle of the projector, that is, a gyro angle A0 in a stationary state is determined according to a gyro calculation, and when the vibration or movement is stopped, the acceleration sensor position P1 of the projector at this time is calculated when a focusing or picture correction function is ready to be invoked, and a gyro posture A1 of the projector at this time is calculated. If the distance difference between the acceleration sensor position P0 and the acceleration sensor position P1 is larger than or smaller than a preset distance threshold, and the angle difference between the gyroscope angle A0 and the gyroscope angle A1 is larger than or smaller than a preset angle threshold, determining that the projector generates preset motion state change, wherein the preset motion state change comprises motion state change of the 6-axis sensor, and further triggering the projector to display and correct according to correction triggering information. If the distance difference between the acceleration sensor position P0 and the acceleration sensor position P1 is equal to a preset distance threshold value, and the angle difference between the gyroscope angle A0 and the gyroscope angle A1 is equal to a preset angle threshold value, determining that the projector does not have preset motion state change, and further triggering the projector to display and correct. Whether the projector is triggered to perform display correction according to the correction trigger information is determined according to the second comparison result, so that the accurate trigger display correction function of the projector is effectively improved.

In one embodiment, determining whether to trigger the projector to perform display correction according to the correction trigger information according to the first comparison result and the second comparison result specifically includes:

if the first comparison result is that the difference value between the first time and the second time is larger than or equal to a preset time threshold value, triggering the projector to display and correct according to the correction triggering information; and/or

And if the second comparison result is that the angle difference value between the first angle information and the second angle information is not equal to the preset angle threshold value, and the distance difference value between the first position information and the second position information is not equal to the preset distance threshold value, triggering the projector to display and correct according to the correction triggering information.

Optionally, fig. 2 is a schematic flow chart showing a process of determining whether to trigger the projector to perform display correction according to the first comparison result according to an exemplary embodiment, and when the projector detects movement, vibration and/or angular offset, and prepares to call a focusing or screen correcting function, as shown in fig. 2, the moment is determined to be the first time (e.g., T1 in fig. 2). Detecting the states of all external interfaces of the projector in real time, if the states change, recording the time T0 of the state change, if the states change of the interfaces, updating the time T0, and always recording the time of the last interface state change, and determining the time as the second time (such as T0 in fig. 2). And comparing the difference value between the first time and the second time with a preset time threshold value to obtain a first comparison result. And if the first result is that the difference value between the first time and the second time is larger than or equal to the preset time threshold value, triggering the projector to display and correct according to the correction triggering information. And FIG. 4 is a schematic diagram showing a flow of determining whether to perform display correction according to a triggered projector according to a second comparison result according to an exemplary embodiment, wherein when the projector detects vibration or movement, the current position of the projector, that is, the position P0 of the acceleration sensor in a stationary state is determined according to the calculation of the acceleration sensor, the current angle of the projector, that is, the angle A0 of the gyroscope in the stationary state is determined according to the calculation of the gyroscope, and when the vibration or movement is stopped, the position P1 of the acceleration sensor of the projector at the moment is calculated when the focusing or picture correction function is ready to be invoked, and the attitude A1 of the gyroscope of the projector at the moment is calculated, as shown in FIG. 4. If the distance difference between the acceleration sensor position P0 and the acceleration sensor position P1 is larger than or smaller than a preset distance threshold, and the angle difference between the gyroscope angle A0 and the gyroscope angle A1 is larger than or smaller than a preset angle threshold, determining that the projector generates preset motion state change, wherein the preset motion state change comprises motion state change of the 6-axis sensor, and further triggering the projector to display and correct according to correction triggering information. Whether the projector is triggered to display and correct according to the correction triggering information is determined according to the first comparison result and the second comparison result, so that the accurate triggering display and correcting function of the projector can be further improved.

In one embodiment, the method of projector-triggered display correction further comprises: the display correction function includes a focusing function and a screen trapezoid correction function. And acquiring the current depth of field of the projector in real time according to the acceleration sensor, if the current depth of field exceeds (is greater than or less than) the target depth of field range, calling a focusing function to refocus, and if the current depth of field exceeds the target depth of field range and is equal to the target depth of field, calling the focusing function to refocus is not needed. And determining the current projection depth of field through the first displacement parameter, and judging whether refocusing is needed according to the current projection depth of field, so that the projector can accurately trigger a focusing function in the display correction function.

According to the method for triggering display correction of the projector, provided by the embodiment of the application, the interface state and the correction trigger information of the projector are detected, the second time for indicating the change of the interface state is obtained under the condition that the correction trigger information for indicating the trigger correction is obtained at the first time, the first comparison result is obtained according to the comparison between the difference value between the first time and the second time and the preset time threshold, and whether the projector is triggered to perform display correction according to the correction trigger information is determined according to the first comparison result. According to the application, the condition of correcting the trigger information is detected at the first time, the second time of the interface state indication change is acquired, and whether the projector is triggered to display and correct according to the correction trigger information is further determined according to the first comparison result acquired at the first time and the second time, so that the problem of false triggering of the display and correction function of the projector in the related technology is solved, and the accurate trigger display and correction function of the projector is improved. In addition, when an external interface (such as USB, earphone, HDMI line, wired network line, SPDIF line, etc.) is plugged in or plugged out, the projector is also vibrated, which may trigger a focusing or screen correcting function, and in practice, when the external interface is plugged in or plugged out, a change in projection position or angle is not generally caused. The embodiment can temporarily disable the automatic focusing function or the picture correcting function within a few seconds after the external interface is detected to be plugged in or pulled out, so as to improve the user experience.

In a second aspect, embodiments of the present application provide a system for projector-triggered display correction. Fig. 5 is a block diagram illustrating a system for projector-triggered display correction according to an exemplary embodiment. As shown in fig. 5, the system includes a detection module 510, an acquisition module 520, and a call display correction function module 530, wherein:

a detection module 510 for detecting an interface state of the projector and correcting the trigger information;

an obtaining module 520, configured to obtain a second time of the interface status indication change when the correction trigger information indicating the trigger correction is obtained at the first time;

The display correction function module 530 is invoked, and is configured to compare a difference between the first time and the second time with a preset time threshold, obtain a first comparison result, and determine whether to trigger the projector to perform display correction according to the correction trigger information according to the first comparison result.

In summary, the present application provides a system for triggering display correction for a projector. Through the detection module 510, the acquisition module 520 and the call display correction function module 530, specifically, through detecting the condition of correction trigger information at a first time, acquiring a second time of interface state indication change, according to a first comparison result acquired at the first time and the second time, further determining whether to trigger the projector to perform display correction according to the correction trigger information, solving the problem of false triggering of the display correction function of the projector in the related art, and improving the accurate triggering display correction function of the projector.

It should be noted that, the system for triggering display correction of a projector provided in this embodiment is used to implement the foregoing embodiment, and the description is omitted. As used above, the terms "module," "unit," "sub-unit," and the like may be a combination of software and/or hardware that implements a predetermined function. While the means described in the above embodiments are preferably implemented in software, implementation in hardware, or a combination of software and hardware, is also possible and contemplated.

In a third aspect, an embodiment of the present application provides an electronic device, and fig. 6 is a block diagram of the electronic device according to an exemplary embodiment. As shown in fig. 6, the electronic device may include a processor 61 and a memory 62 storing computer program instructions.

In particular, the processor 61 may include a Central Processing Unit (CPU), or an Application SPECIFIC INTEGRATED Circuit (ASIC), or may be configured as one or more integrated circuits that implement embodiments of the present application.

Memory 62 may include, among other things, mass storage for data or instructions. By way of example, and not limitation, memory 62 may comprise a hard disk drive (HARD DISK DRIVE, abbreviated HDD), a floppy disk drive, a Solid state drive (Solid STATE DRIVE, abbreviated SSD), flash memory, an optical disk, a magneto-optical disk, a magnetic tape, or a universal serial bus (Universal Serial Bus, abbreviated USB) drive, or a combination of two or more of these. The memory 62 may include removable or non-removable (or fixed) media, where appropriate. The memory 62 may be internal or external to the data processing apparatus, where appropriate. In a particular embodiment, the memory 62 is a Non-Volatile (Non-Volatile) memory. In particular embodiments, memory 62 includes Read-Only Memory (ROM) and random access Memory (Random Access Memory, RAM). Where appropriate, the ROM may be a mask-programmed ROM, a programmable ROM (Programmable Read-Only Memory, abbreviated PROM), an erasable PROM (Erasable Programmable Read-Only Memory, abbreviated EPROM), an electrically erasable PROM (ELECTRICALLY ERASABLE PROGRAMMABLE READ-Only Memory, abbreviated EEPROM), an electrically rewritable ROM (ELECTRICALLY ALTERABLE READ-Only Memory, abbreviated EAROM), or a FLASH Memory (FLASH), or a combination of two or more of these. The RAM may be a Static Random-Access Memory (SRAM) or a dynamic Random-Access Memory (Dynamic Random Access Memory DRAM), where the DRAM may be a fast page mode dynamic Random-Access Memory (Fast Page Mode Dynamic Random Access Memory, FPMDRAM), an extended data output dynamic Random-Access Memory (Extended Date Out Dynamic Random Access Memory, EDODRAM), a synchronous dynamic Random-Access Memory (Synchronous Dynamic Random-Access Memory, SDRAM), or the like, as appropriate.

Memory 62 may be used to store or cache various data files that need to be processed and/or communicated, as well as possible computer program instructions for execution by processor 61.

The processor 61 implements the method of projector-triggered display correction of any of the above embodiments by reading and executing computer program instructions stored in the memory 62.

In one embodiment, a projector-triggered display correction device may also include a communication interface 63 and a bus 60. As shown in fig. 6, the processor 61, the memory 62, and the communication interface 63 are connected to each other through the bus 60 and perform communication with each other.

The communication interface 63 is used to implement communications between various modules, devices, units, and/or units in embodiments of the application. Communication port 63 may also enable communication with other components such as: and the external equipment, the image/data acquisition equipment, the database, the external storage, the image/data processing workstation and the like are used for data communication.

Bus 60 includes hardware, software, or both that couple the components of a projector-triggered display-corrected device to each other. Bus 60 includes, but is not limited to, at least one of: data Bus (Data Bus), address Bus (Address Bus), control Bus (Control Bus), expansion Bus (Expansion Bus), local Bus (Local Bus). By way of example, and not limitation, bus 60 may include a graphics acceleration interface (ACCELERATED GRAPHICS Port, abbreviated as AGP) or other graphics Bus, an enhanced industry standard architecture (Extended Industry Standard Architecture, abbreviated as EISA) Bus, a Front Side Bus (Front Side Bus, abbreviated as FSB), a HyperTransport (abbreviated as HT) interconnect, an industry standard architecture (Industry Standard Architecture, abbreviated as ISA) Bus, a wireless bandwidth (InfiniBand) interconnect, a Low Pin Count (LPC) Bus, a memory Bus, a micro channel architecture (Micro Channel Architecture, abbreviated as MCA) Bus, a peripheral component interconnect (PERIPHERAL COMPONENT INTERCONNECT, abbreviated as PCI) Bus, a PCI-Express (PCI-X) Bus, a serial advanced technology attachment (SERIAL ADVANCED Technology Attachment, abbreviated as SATA) Bus, a video electronics standards Association local (Video Electronics Standards Association Local Bus, abbreviated as VLB) Bus, or other suitable Bus, or a combination of two or more of these. Bus 60 may include one or more buses, where appropriate. Although embodiments of the application have been described and illustrated with respect to a particular bus, the application contemplates any suitable bus or interconnect.

In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium having stored thereon a program which, when executed by a processor, implements a method of projector-triggered display correction provided in the first aspect.

More specifically, among others, readable storage media may be employed including, but not limited to: portable disk, hard disk, random access memory, read only memory, erasable programmable read only memory, optical storage device, magnetic storage device, or any suitable combination of the foregoing.

In a possible implementation manner, the present invention may also be implemented in the form of a program product comprising program code for causing a terminal device to carry out the steps of a method for implementing a projector-triggered display correction as provided in the first aspect, when the program product is run on the terminal device.

Wherein the program code for carrying out the invention may be written in any combination of one or more programming languages, the program code may execute entirely on the user device, partly on the user device, as a stand-alone software package, partly on the user device, partly on a remote device or entirely on the remote device.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. A method for projector-triggered display correction, the method comprising:

detecting interface states of the projector and correcting trigger information;

acquiring second time of the interface state indication change under the condition that the correction triggering information indicating the triggering correction is acquired at the first time;

And comparing the difference value between the first time and the second time with a preset time threshold value to obtain a first comparison result, and determining whether to trigger the projector to display and correct according to the correction trigger information according to the first comparison result.

2. The method of claim 1, wherein after the obtaining the first comparison result, the method further comprises:

Acquiring first posture position information of the projector at the first time and second posture position information of the projector at the second time;

And comparing the first posture position information with the second posture position information to obtain a second comparison result, and determining whether to trigger the projector to display and correct according to the correction trigger information according to the first comparison result and the second comparison result.

3. The method of claim 1, wherein determining whether to trigger the projector to display correction based on the correction trigger information based on the first comparison result comprises:

if the first comparison result is that the difference value between the first time and the second time is smaller than a preset time threshold value, the projector is not triggered to perform display correction;

And if the first comparison result is that the difference value between the first time and the second time is larger than or equal to a preset time threshold value, triggering the projector to display and correct according to the correction triggering information.

4. The method of claim 2, wherein obtaining first pose location information of the projector at the first time and obtaining second pose location information of the projector at the second time comprises:

The first attitude position information comprises first angle information and first position information of the projector, the first angle information of the projector at the first time is obtained through a gyroscope sensor, and the first position information of the projector at the first time is obtained through an acceleration sensor;

The second posture position information comprises second angle information and second position information of the projector, the second angle information of the projector at the second time is obtained through the gyroscope sensor, and the second position information of the projector at the second time is obtained through the acceleration sensor.

5. The method of claim 4, wherein comparing the first pose location information and the second pose location information to obtain a second comparison result comprises:

Judging whether the angle difference value between the first angle information and the second angle information is equal to a preset angle threshold value or not, and judging whether the distance difference value between the first position information and the second position information is equal to a preset distance threshold value or not;

The angle difference value between the first angle information and the second angle information is equal to a preset angle threshold value, and the distance difference value between the first position information and the second position information is equal to a preset distance threshold value, so that a second comparison result is obtained;

and taking the difference value of the angles between the first angle information and the second angle information as a second comparison result, wherein the difference value of the angles between the first position information and the second position information is not equal to a preset angle threshold value, and the difference value of the distances between the first position information and the second position information is not equal to a preset distance threshold value.

6. The method of claim 3 or 5, wherein determining whether to trigger the projector to perform display correction according to the correction trigger information based on the first comparison result and the second comparison result comprises:

if the first comparison result is that the difference value between the first time and the second time is larger than or equal to a preset time threshold value, triggering the projector to display and correct according to the correction triggering information; and/or

And if the second comparison result is that the angle difference value between the first angle information and the second angle information is not equal to a preset angle threshold value, and the distance difference value between the first position information and the second position information is not equal to a preset distance threshold value, triggering the projector to display and correct according to the correction triggering information.

7. The method of claim 1, wherein detecting an interface state of the projector comprises: and responding to receiving the hot plug information of the projector interface, and acquiring the interface state of the projector.

8. A system for projector-triggered display correction, the system comprising a detection module, an acquisition module, and a call display correction function module, wherein:

The detection module is used for detecting the interface state of the projector and correcting the trigger information;

The acquisition module is used for acquiring a second time of the interface state indication change under the condition that the correction trigger information indicating the trigger correction is acquired at the first time;

And the display correction function module is used for comparing the difference value between the first time and the second time with a preset time threshold value to obtain a first comparison result, and determining whether to trigger the projector to display correction according to the correction trigger information according to the first comparison result.

9. An electronic device comprising a memory and a processor, a computer program stored on the memory and executable on the processor, the processor implementing a method of projector-triggered display correction as claimed in any one of claims 1 to 7 when the computer program is executed.

10. A computer readable storage medium having stored thereon a computer program, wherein the program when executed by a processor implements a method of projector-triggered display correction as claimed in any one of claims 1 to 7.