CN110839148B - Equipment control method, intelligent projector and related product - Google Patents
Equipment control method, intelligent projector and related product Download PDFInfo
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- 210000003462 vein Anatomy 0.000 claims description 29
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- 238000004590 computer program Methods 0.000 claims description 14
- 230000001276 controlling effect Effects 0.000 description 20
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- 238000012545 processing Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
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- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000012905 input function Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000003190 augmentative effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000004984 smart glass Substances 0.000 description 2
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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Abstract
The embodiment of the application discloses an equipment control method, an intelligent projector and related products, which are applied to the intelligent projector, wherein the intelligent projector comprises a TV chip supporting a high-definition multimedia interface (HDMI), the TV chip comprises a plurality of HDMI interfaces, and the method comprises the following steps: receiving a target HDMI interface switching instruction; responding to the target HDMI interface switching instruction, and controlling the TV chip to switch to a target HDMI interface corresponding to the target HDMI interface switching instruction; and displaying an interface of the equipment connected with the target HDMI interface. Adopt this application embodiment can promote intelligent projecting apparatus's intellectuality.
Description
Technical Field
The application relates to the technical field of electronics, in particular to an equipment control method, an intelligent projector and a related product.
Background
Projection technology is commonly used in people's daily life. The projection system is used everywhere in meetings, teaching or entertainment venues.
In the life, the middle-size and small-size projecting apparatus of family, education usefulness, the current projecting apparatus function is comparatively single, consequently, how to promote intelligent projecting apparatus's intellectuality.
Disclosure of Invention
The embodiment of the application provides an equipment control method, an intelligent projector and a related product, and the intelligence of the intelligent projector can be improved.
In a first aspect, an embodiment of the present application provides an apparatus control method applied to an intelligent projector, where the intelligent projector includes a TV chip supporting a High Definition Multimedia Interface (HDMI), and the TV chip includes a plurality of HDMI interfaces, and the method includes:
receiving a target HDMI interface switching instruction;
responding to the target HDMI interface switching instruction, and controlling the TV chip to switch to a target HDMI interface corresponding to the target HDMI interface switching instruction;
and displaying an interface of the equipment connected with the target HDMI interface.
In a second aspect, an embodiment of the present application provides an apparatus control device, which is applied to an intelligent projector, where the intelligent projector includes a TV chip supporting an HDMI, the TV chip includes a plurality of HDMI interfaces, and the apparatus includes:
the receiving unit is used for receiving a target HDMI interface switching instruction;
the switching unit is used for responding to the target HDMI interface switching instruction and controlling the TV chip to be switched to a target HDMI interface corresponding to the target HDMI interface switching instruction;
and the display unit is used for displaying the interface of the equipment connected with the target HDMI interface.
In a third aspect, an embodiment of the present application provides an intelligent projector, including a processor, a memory, a communication interface, and one or more programs, where the one or more programs are stored in the memory and configured to be executed by the processor, and the program includes instructions for executing the steps in the first aspect of the embodiment of the present application.
In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium, where the computer-readable storage medium stores a computer program for electronic data exchange, where the computer program enables a computer to perform some or all of the steps described in the first aspect of the embodiment of the present application.
In a fifth aspect, embodiments of the present application provide a computer program product, where the computer program product includes a non-transitory computer-readable storage medium storing a computer program, where the computer program is operable to cause a computer to perform some or all of the steps as described in the first aspect of the embodiments of the present application. The computer program product may be a software installation package.
The embodiment of the application has the following beneficial effects:
it can be seen that the device control method, the intelligent projector and the related products described in the embodiments of the present application are applied to an intelligent projector, where the intelligent projector includes a TV chip supporting a high-definition multimedia interface HDMI, the TV chip includes a plurality of HDMI interfaces, and can receive a target HDMI interface switching instruction, respond to the target HDMI interface switching instruction, control the TV chip to switch to a target HDMI interface corresponding to the target HDMI interface switching instruction, and display an interface of a device connected to the target HDMI interface.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1A is a schematic structural diagram of an intelligent projector according to an embodiment of the present application;
fig. 1B is a schematic flowchart of an apparatus control method according to an embodiment of the present application;
fig. 1C is a schematic view illustrating a scene of a device control method according to an embodiment of the present application;
fig. 2 is a schematic flowchart of another apparatus control method provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of another intelligent projector provided in the embodiment of the present application;
fig. 4A is a block diagram of functional units of an apparatus control device according to an embodiment of the present application;
fig. 4B is a block diagram of functional units of an apparatus control device according to an embodiment of the present application.
Detailed Description
The terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase 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 explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 1A, fig. 1A is a schematic structural diagram of an intelligent projector according to an embodiment of the present application. The smart projector may include a processor, Memory, signal processor, transceiver, speaker, microphone, Random Access Memory (RAM), camera, sensor, and network module, among others. The storage, the DSP, the projection device, the loudspeaker, the microphone, the RAM, the camera, the sensor and the network module are connected with the processor, and the transceiver is connected with the signal processor.
The Processor is a control center of the intelligent projector, various interfaces and lines are used for connecting all parts of the whole intelligent projector, various functions and Processing data of the intelligent projector are executed by operating or executing software programs and/or modules stored in the memory and calling data stored in the memory, so that the intelligent projector is monitored integrally, and the Processor can be a Central Processing Unit (CPU), a Graphic Processing Unit (GPU) or a Network Processor (NPU).
Further, the processor may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor.
The storage is used for storing software programs and/or modules, and the processor executes various functional applications and data processing of the intelligent projector by running the software programs and/or modules stored in the storage. The memory mainly comprises a program storage area and a data storage area, wherein the program storage area can store an operating system, a software program required by at least one function and the like; the storage data area may store data created according to the use of the smart projector, and the like. Further, the memory may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
Wherein the sensor comprises at least one of: light-sensitive sensors, gyroscopes, infrared proximity sensors, vibration detection sensors, pressure sensors, etc. Among them, the light sensor, also called an ambient light sensor, is used to detect the ambient light brightness. The light sensor may include a light sensitive element and an analog to digital converter. The photosensitive element is used for converting collected optical signals into electric signals, and the analog-to-digital converter is used for converting the electric signals into digital signals. Optionally, the light sensor may further include a signal amplifier, and the signal amplifier may amplify the electrical signal converted by the photosensitive element and output the amplified electrical signal to the analog-to-digital converter. The photosensitive element may include at least one of a photodiode, a phototransistor, a photoresistor, and a silicon photocell.
The camera may be a visible light camera (general view angle camera, wide angle camera), an infrared camera, or a dual camera (having a distance measurement function), which is not limited herein.
The network module may be at least one of: a bluetooth module, a wireless fidelity (Wi-Fi), etc., which are not limited herein, and the projection apparatus can implement a projection function.
Wherein, above-mentioned intelligent projecting apparatus can be including supporting HDMI interface TV chip, this TV chip can include a plurality of HDMI interfaces, each HDMI can be used for connecting an electronic equipment, in this application embodiment, electronic equipment can include various handheld device (such as smart mobile phone) that have wireless communication function, on-vehicle equipment, wearable equipment (smart watch, smart bracelet, wireless earphone, augmented reality/virtual reality equipment, smart glasses), computing equipment or other processing equipment that are connected to wireless modem to and user equipment (user equipment, UE) of various forms, Mobile Station (MS), terminal equipment (terminal device) and so on. For example, the smart projector may be connected to a smart phone through an HDMI interface.
Based on the smart projector described above in fig. 1A, the following functions can be performed:
receiving a target HDMI interface switching instruction;
responding to the target HDMI interface switching instruction, and controlling the TV chip to switch to a target HDMI interface corresponding to the target HDMI interface switching instruction;
and displaying an interface of the equipment connected with the target HDMI interface.
It can be seen that the intelligent projector described in the embodiment of the present application, the intelligent projector includes a TV chip supporting a high-definition multimedia interface HDMI, the TV chip includes a plurality of HDMI interfaces, a target HDMI interface switching instruction can be received, a target HDMI interface switching instruction is responded, the TV chip is controlled to switch to a target HDMI interface corresponding to the target HDMI interface switching instruction, an interface of a device connected to the target HDMI interface is displayed, thus, an external device can be connected through the HDMI interface, and the interface of the external device is displayed, which is helpful for improving the intelligence of the intelligent projector.
The following describes embodiments of the present application in detail.
Referring to fig. 1B, fig. 1B is a schematic flowchart of a device control method according to an embodiment of the present application, and as shown in the drawing, the method is applied to the intelligent projector shown in fig. 1A, where the intelligent projector includes a TV chip supporting a high definition multimedia interface HDMI, the TV chip includes a plurality of HDMI interfaces, and the device control method includes:
101. and receiving a target HDMI interface switching instruction.
In this embodiment, the smart projector may include a TV chip supporting an HDMI television, and the TV chip may include a plurality of HDMI interfaces, each HDMI interface may be used to connect an electronic device, and in this embodiment, the electronic device may include various handheld devices (such as a smart phone) having a wireless communication function, an on-board device, a wearable device (a smart watch, a smart bracelet, a wireless headset, an augmented reality/virtual reality device, smart glasses), a computing device or other processing devices connected to a wireless modem, and various forms of User Equipment (UE), a Mobile Station (MS), a terminal device (terminal device), and the like. In specific implementation, the smart projector may receive a target HDMI interface switching instruction through a serial port, and the instruction may be sent by a main control chip (a mobile phone chip) of the smart phone. The TV chip of the smart projector may not have the HDMI input function, but the HDMI input function may be implemented by an external device.
In addition, the target HDMI interface switching instruction may be input by the smart projector, or may be transmitted by any device connected to the smart projector.
102. And responding to the target HDMI interface switching instruction, and controlling the TV chip to switch to a target HDMI interface corresponding to the target HDMI interface switching instruction.
In the embodiment of the application, at least one of the HDMI interfaces can be connected to an electronic device, and in specific implementation, the intelligent projector can respond to the target HDMI interface switching instruction, and further can control the TV chip to switch to the target HDMI interface corresponding to the target HDMI interface switching instruction.
In one possible example, the controlling the TV chip to switch to the target HDMI interface corresponding to the target HDMI interface switching instruction includes:
when the target HDMI interface switching instruction is a first instruction, controlling the TV chip to switch to a first HDMI interface, wherein the intelligent projector is connected with first electronic equipment through the first HDMI interface;
or,
and when the target HDMI interface switching instruction is a second instruction, controlling the TV chip to switch to a second HDMI interface, wherein the intelligent projector is connected with the second electronic device through the second HDMI interface.
In this embodiment, the intelligent projector may be connected to the first electronic device through the first HDMI interface, and the intelligent projector may be connected to the second electronic device through the second HDMI interface, and in a specific implementation, when the target HDMI interface switching instruction is the first instruction, the intelligent projector may control the TV chip to switch to the first HDMI interface, and in addition, when the target HDMI interface switching instruction is the second instruction, the intelligent projector may control the TV chip to switch to the second HDMI interface, where the intelligent projector is connected to the second electronic device through the second HDMI interface. The first instruction and the second instruction can be preset or default by the system.
103. And displaying an interface of the equipment connected with the target HDMI interface.
In the specific implementation, the intelligent projector can display the interface of the equipment connected with the HDMI interface, and further can be controlled by the TV chip, and the image quality and the sound of the interface can be adjusted by the TV chip. The interface of the device connected to the target HDMI interface displayed by the smart projector may be a main page, a system page, a currently displayed page of the device, or any designated page, and is not limited herein.
For example, in the embodiment of the present application, an intelligent projector that does not support an HDMI input chip with an HDMI input function may be implemented, specifically, as shown in fig. 1C, that is, the intelligent projector may receive an external instruction through an HDMI of a TV chip, and the TV chip may monitor in real time, receive the instruction, and implement an HDMI1 interface and an HDMI2 interface, for example, shutdown may be controlled by the TV chip, and a mobile phone chip is used as a main control chip and is provided with an operating system. The mobile phone chip is used as a main control chip, which is equivalent to realizing remote controller operation, and sends an instruction to the TV chip, only HDMI output is received by an HDMI input end (such as HDMI1) of the TV chip supporting HDMI, the TV chip supports a plurality of HDMI inputs, other HDMI input ends (such as HDMI2) or HDMI3 interfaces are used as external HDMI equipment inputs, for example, HDMI2 is connected with external equipment 1, HDM3 is connected with external equipment 2, the main control realizes control over the TV chip through a serial port, different HDMI inputs of the TV chip can be switched, when the HDMI1 is switched, a system end interface of the mobile phone chip is displayed, when the HDMI2 is switched, the interface of the external HDMI equipment is displayed, an intelligent projector or the external equipment can be controlled by the TV chip, and image quality and sound are regulated by the TV chip.
In one possible example, the step 103 of displaying the interface of the device connected to the HDMI interface may include the following steps:
31. acquiring a first display parameter of an interface of equipment connected with the target HDMI;
32. acquiring a second display parameter of the intelligent projector;
33. adjusting the second display parameter according to the first display parameter to obtain a target display parameter;
34. and displaying an interface of equipment connected with the target HDMI interface according to the target display parameters.
The first display parameter and the second display parameter can be at least one of the following parameters: display brightness, resolution, display color temperature, background picture, etc., without limitation.
In specific implementation, the intelligent projector may obtain a first display parameter of an interface of the device connected to the target HDMI interface, and may also obtain a second display parameter of the intelligent projector, and adjust the second display parameter according to the first display parameter to obtain the target display parameter, for example, it may be ensured that the intelligent projector realizes a display effect (such as resolution, color temperature, display brightness, etc.) equivalent to the device connected to the target HDMI interface, and then the interface of the device connected to the target HDMI interface may be displayed according to the target display parameter.
In a possible example, between the above steps 101 to 102, the following steps may be further included:
a1, when the target HDMI interface switching instruction is a preset switching instruction, acquiring target identity information;
a2, verifying the target identity information;
a3, when the target identity information is successfully verified, determining a target identity grade corresponding to the target identity information;
a4, when the target identity level is higher than a preset identity level, executing the step of responding to the target instruction and controlling the TV chip to switch to the HDMI interface corresponding to the target instruction.
The preset switching instruction can be set by the user or defaulted by the system. The target identity information may be at least one of: vein images, face images, iris images, character strings, voiceprint information, and the like, which are not limited herein.
In specific implementation, the intelligent projector may acquire the target identity information when the target HDMI interface switching instruction is a preset switching instruction, and further, may match the target identity information with the preset identity information, and when the target identity information is successfully matched with the preset identity information, it is determined that the target identity information is successfully verified, whereas when the target identity information is unsuccessfully matched with the preset identity information, it is determined that the target identity information is unsuccessfully verified. The preset identity information may be at least one of: vein images, face images, iris images, character strings, voiceprint information, and the like, which are not limited herein.
Further, in a possible example, when the target identity information includes the target vein image, the step a2 of verifying the target identity information may include the following steps:
a21, dividing the target vein image into P areas, wherein P is an integer larger than 1;
a22, determining the definition of each of the P areas to obtain P definitions;
a23, selecting the definition larger than a first preset threshold value from the P definitions to obtain Q definitions, wherein Q is an integer larger than 1;
a24, dividing each of the Q areas into M sub-areas, wherein M is an integer greater than 1;
a25, determining the feature point distribution density of M sub-regions corresponding to each of the Q regions;
a26, determining the mean square deviation of the feature point distribution density corresponding to each of the Q regions according to the feature point distribution density of the M sub-regions corresponding to each of the Q regions to obtain Q mean square deviations;
a27, selecting a mean square error smaller than a second preset threshold value from the Q mean square errors to obtain N target mean square errors, wherein N is a positive integer smaller than or equal to Q;
a28, obtaining feature points corresponding to the N target mean square deviations to obtain X feature points, wherein X is an integer equal to 1;
a29, matching the X characteristic points with a preset vein image to obtain Y characteristic points successfully matched with the X characteristic points, wherein Y is a positive integer smaller than X;
a210, when the ratio of the Y to the X is larger than a third preset threshold value, confirming that the target identity information is successfully verified;
and A211, when the ratio of the Y to the X is less than or equal to the third preset threshold, confirming that the target identity information is successfully verified.
The preset vein image can be stored in the intelligent projector in advance, recorded in other equipment in advance and stored in the intelligent projector. The first preset threshold, the second preset threshold and the third preset threshold may be set by a user.
In the specific implementation, in the embodiment of the application, the intelligent projector can divide the target vein image into P regions, P is an integer greater than 1, and can determine the definition of each region in the P regions, obtain P definitions, and can select the definition greater than a first preset threshold value from the P definitions, obtain Q definitions, Q is an integer greater than 1, so that a region with high definition can be selected, and subsequent vein recognition is facilitated.
Further, the intelligent projector may divide each of the Q regions into M sub-regions, where M is an integer greater than 1, and determine a distribution density of feature points of the M sub-regions corresponding to each of the Q regions, where the distribution density of feature points may be obtained by a ratio between a total number of feature points of each sub-region and a total area corresponding to the sub-region, in this embodiment of the present application, the total number of feature points may be obtained by performing feature point extraction on each sub-region and counting the total number of feature points corresponding to the sub-region, and an algorithm corresponding to the feature point extraction may be at least one of the following: harris corner detection, Scale Invariant Feature Transform (SIFT), SURF algorithm, and the like, without limitation.
Further, the intelligent projector may determine a mean square error of the distribution density of the feature points corresponding to each of the Q regions according to the distribution density of the feature points of the M sub-regions corresponding to each of the Q regions, to obtain Q mean square errors, where the mean square error reflects the correlation between the regions to a certain extent, and a smaller mean square error indicates a stronger correlation between the regions. Furthermore, a mean square error smaller than a second preset threshold value can be selected from the Q mean square errors to obtain N target mean square errors, wherein N is a positive integer smaller than or equal to Q, and therefore the clearest area in the whole vein image can be selected more accurately.
Furthermore, the intelligent projector can obtain N feature points corresponding to the target mean square error to obtain X feature points, wherein X is an integer larger than 1, the X feature points are matched with the preset vein image to obtain Y feature points successfully matched with the X feature points, Y is an integer smaller than X, when the ratio between Y and X (namely Y/X) is larger than a third preset threshold value, the target vein image is confirmed to be successfully verified, otherwise, when the ratio between Y and X is smaller than or equal to the third preset threshold value, the target vein image is confirmed to be failed to be verified, through the mode, on one hand, the clearest region in the vein image can be found, and the vein identification speed is improved, on the other hand, the vein image is not subjected to enhancement processing, the distortion of the feature points can be avoided, and some clear features with close region association are directly selected from the vein image to be matched, the vein recognition accuracy is improved.
It can be seen that, in the device control method described in this embodiment of the present application, the intelligent projector includes a TV chip supporting an HDMI, where the TV chip includes a plurality of HDMI interfaces, and is capable of receiving a target HDMI interface switching instruction, responding to the target HDMI interface switching instruction, controlling the TV chip to switch to a target HDMI interface corresponding to the target HDMI interface switching instruction, and displaying an interface of a device connected to the target HDMI interface.
Referring to fig. 2 in line with the above-mentioned embodiment shown in fig. 1B, fig. 2 is a flowchart illustrating a device control method provided in an embodiment of the present application, and as shown, the method is applied to the intelligent projector shown in fig. 1A, where the intelligent projector includes a TV chip supporting HDMI (high definition multimedia interface), the TV chip includes a plurality of HDMI interfaces, and the device control method includes:
201. and receiving a target HDMI interface switching instruction.
202. And when the target HDMI interface switching instruction is a preset switching instruction, acquiring target identity information.
203. And verifying the target identity information.
204. And when the target identity information is successfully verified, determining a target identity grade corresponding to the target identity information.
205. And when the target identity level is higher than a preset identity level, responding to the target HDMI interface switching instruction, and controlling the TV chip to switch to a target HDMI interface corresponding to the target HDMI interface switching instruction.
206. And displaying an interface of the equipment connected with the target HDMI interface.
For the detailed description of the steps 201 to 206, reference may be made to corresponding steps of the device control method described in the foregoing fig. 1B, and details are not repeated here.
It can be seen that, in the device control method described in the embodiment of the present application, the intelligent projector includes a TV chip supporting HDMI, the TV chip includes a plurality of HDMI interfaces, and is capable of receiving a target HDMI interface switching instruction, when the target HDMI interface switching instruction is a preset switching instruction, obtaining target identity information, verifying the target identity information, when the target identity information is successfully verified, determining a target identity level corresponding to the target identity information, and when the target identity level is higher than the preset identity level, responding to the target HDMI interface switching instruction, controlling the TV chip to switch to the target HDMI interface corresponding to the target HDMI interface switching instruction, and displaying an interface of a device connected to the target HDMI interface, so that an external device can be connected through the HDMI interface, and the interface of the external device is displayed, thereby improving the security of the intelligent projector, on the other hand, the intelligence of intelligent projecting apparatus is promoted.
In accordance with the foregoing embodiments, please refer to fig. 3, where fig. 3 is a schematic structural diagram of an intelligent projector according to an embodiment of the present application, and as shown in the drawing, the intelligent projector includes a processor, a memory, a communication interface, and one or more programs, and is applied to an intelligent projector, the intelligent projector includes a TV chip supporting a high definition multimedia interface HDMI, the TV chip includes a plurality of HDMI interfaces, and the one or more programs are stored in the memory and configured to be executed by the processor, where in an embodiment of the present application, the programs include instructions for performing the following steps:
receiving a target HDMI interface switching instruction;
responding to the target HDMI interface switching instruction, and controlling the TV chip to switch to a target HDMI interface corresponding to the target HDMI interface switching instruction;
and displaying an interface of the equipment connected with the target HDMI interface.
In one possible example, in the aspect of controlling the TV chip to switch to the target HDMI interface corresponding to the target HDMI interface switching instruction, the above program includes instructions for performing the steps of:
when the target HDMI interface switching instruction is a first instruction, controlling the TV chip to switch to a first HDMI interface, wherein the intelligent projector is connected with first electronic equipment through the first HDMI interface;
or,
and when the target HDMI interface switching instruction is a second instruction, controlling the TV chip to switch to a second HDMI interface, wherein the intelligent projector is connected with the second electronic device through the second HDMI interface.
In one possible example, in terms of the interface displaying the device connected to the target HDMI interface, the program includes instructions for:
acquiring a first display parameter of an interface of equipment connected with the target HDMI;
acquiring a second display parameter of the intelligent projector;
adjusting the second display parameter according to the first display parameter to obtain a target display parameter;
and displaying an interface of equipment connected with the target HDMI interface according to the target display parameters.
In one possible example, the program further includes instructions for performing the steps of:
when the target HDMI interface switching instruction is a preset switching instruction, acquiring target identity information;
verifying the target identity information;
when the target identity information is successfully verified, determining a target identity grade corresponding to the target identity information;
and when the target identity level is higher than a preset identity level, executing the step of responding to the target instruction and controlling the TV chip to switch to a target HDMI interface corresponding to the target instruction.
In one possible example, when the target identity information includes a target vein image, the program includes instructions for performing the following steps in the verifying the target identity information:
dividing the target vein image into P regions, wherein P is an integer larger than 1;
determining the definition of each of the P regions to obtain P definitions;
selecting the definition larger than a first preset threshold value from the P definitions to obtain Q definitions, wherein Q is an integer larger than 1;
dividing each of the Q regions into M sub-regions, wherein M is an integer greater than 1;
determining the distribution density of the characteristic points of M sub-regions corresponding to each of the Q regions;
determining the mean square error of the distribution density of the characteristic points corresponding to each of the Q regions according to the distribution density of the characteristic points of the M sub-regions corresponding to each of the Q regions to obtain Q mean square errors;
selecting a mean square error smaller than a second preset threshold value from the Q mean square errors to obtain N target mean square errors, wherein N is a positive integer smaller than or equal to Q;
acquiring feature points corresponding to the N target mean square deviations to obtain X feature points, wherein X is an integer equal to 1;
matching the X characteristic points with a preset vein image to obtain Y characteristic points successfully matched with the X characteristic points, wherein Y is an integer smaller than X;
when the ratio of the Y to the X is larger than a third preset threshold value, confirming that the target identity information is successfully verified;
when the ratio of the Y to the X is smaller than or equal to the third preset threshold, confirming that the target identity information is successfully verified.
The above description has introduced the solution of the embodiment of the present application mainly from the perspective of the method-side implementation process. It is understood that the smart projector includes a corresponding hardware structure and/or software modules for performing the respective functions in order to implement the above-described functions. Those of skill in the art will readily appreciate that the present application is capable of hardware or a combination of hardware and computer software implementing the various illustrative elements and algorithm steps described in connection with the embodiments provided herein. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiment of the present application, the functional units may be divided according to the above method example, for example, each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit. It should be noted that the division of the unit in the embodiment of the present application is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
Fig. 4A is a block diagram of functional units of the device control apparatus 400 according to the embodiment of the present application. The device control apparatus 400 is applied to an intelligent projector, the intelligent projector includes a TV chip supporting a high definition multimedia interface HDMI, the TV chip includes a plurality of HDMI interfaces, the apparatus 400 includes: a receiving unit 401, a switching unit 402, and a display unit 403, wherein,
a receiving unit 401, configured to receive a target HDMI interface switching instruction;
a switching unit 402, configured to respond to the target HDMI interface switching instruction, and control the TV chip to switch to a target HDMI interface corresponding to the target HDMI interface switching instruction;
a display unit 403 for displaying an interface of a device connected to the target HDMI interface.
It can be seen that the device control apparatus described in this embodiment of the present application is applied to an intelligent projector, the intelligent projector includes a TV chip supporting a high definition multimedia interface HDMI, the TV chip includes a plurality of HDMI interfaces, a target HDMI interface switching instruction can be received, the target HDMI interface switching instruction is responded, the TV chip is controlled to switch to a target HDMI interface corresponding to the target HDMI interface switching instruction, an interface of a device connected to the target HDMI interface is displayed, thus, an external device can be connected through the HDMI interface, and the interface of the external device is displayed, which is helpful for improving intelligence of the intelligent projector.
In one possible example, in terms of controlling the TV chip to switch to the target HDMI interface corresponding to the target HDMI interface switching instruction, the switching unit is specifically configured to:
when the target HDMI interface switching instruction is a first instruction, controlling the TV chip to switch to a first HDMI interface, wherein the intelligent projector is connected with first electronic equipment through the first HDMI interface;
or,
and when the target HDMI interface switching instruction is a second instruction, controlling the TV chip to switch to a second HDMI interface, wherein the intelligent projector is connected with the second electronic device through the second HDMI interface.
In one possible example, in terms of the interface displaying the device connected to the target HDMI interface, the display unit 403 is specifically configured to:
acquiring a first display parameter of an interface of equipment connected with the target HDMI;
acquiring a second display parameter of the intelligent projector;
adjusting the second display parameter according to the first display parameter to obtain a target display parameter;
and displaying an interface of equipment connected with the target HDMI interface according to the target display parameters.
In one possible example, as shown in fig. 4B, fig. 4B is a further modified structure of the device control apparatus shown in fig. 4A, which may further include, compared with fig. 4A: the obtaining unit 404, the verifying unit 405 and the determining unit 406 are as follows:
an obtaining unit 404, configured to obtain target identity information when the target HDMI interface switching instruction is a preset switching instruction;
an authentication unit 405, configured to authenticate the target identity information;
a determining unit 406, configured to determine, when the target identity information is successfully verified, a target identity level corresponding to the target identity information;
and when the target identity level is higher than a preset identity level, the switching unit 402 executes the step of responding to the target instruction and controlling the TV chip to switch to a target HDMI interface corresponding to the target instruction.
In one possible example, when the target identity information includes a target vein image, in the aspect of performing the verification on the target identity information, the verification unit 405 is specifically configured to:
dividing the target vein image into P regions, wherein P is an integer larger than 1;
determining the definition of each of the P regions to obtain P definitions;
selecting the definition larger than a first preset threshold value from the P definitions to obtain Q definitions, wherein Q is an integer larger than 1;
dividing each of the Q regions into M sub-regions, wherein M is an integer greater than 1;
determining the distribution density of the characteristic points of M sub-regions corresponding to each of the Q regions;
determining the mean square error of the distribution density of the characteristic points corresponding to each of the Q regions according to the distribution density of the characteristic points of the M sub-regions corresponding to each of the Q regions to obtain Q mean square errors;
selecting a mean square error smaller than a second preset threshold value from the Q mean square errors to obtain N target mean square errors, wherein N is a positive integer smaller than or equal to Q;
acquiring feature points corresponding to the N target mean square deviations to obtain X feature points, wherein X is an integer equal to 1;
matching the X characteristic points with a preset vein image to obtain Y characteristic points successfully matched with the X characteristic points, wherein Y is an integer smaller than X;
when the ratio of the Y to the X is larger than a third preset threshold value, confirming that the target identity information is successfully verified;
when the ratio of the Y to the X is smaller than or equal to the third preset threshold, confirming that the target identity information is successfully verified.
It can be understood that the functions of each program module of the device control apparatus in this embodiment may be specifically implemented according to the method in the foregoing method embodiment, and the specific implementation process may refer to the related description of the foregoing method embodiment, which is not described herein again.
Embodiments of the present application also provide a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, the computer program enabling a computer to execute part or all of the steps of any one of the methods as described in the above method embodiments, and the computer includes an intelligent projector.
Embodiments of the present application also provide a computer program product comprising a non-transitory computer readable storage medium storing a computer program operable to cause a computer to perform some or all of the steps of any of the methods as described in the above method embodiments. The computer program product may be a software installation package, said computer comprising a smart projector.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of some interfaces, devices or units, and may be an electric or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit may be stored in a computer readable memory if it is implemented in the form of a software functional unit and sold or used as a stand-alone product. Based on such understanding, the technical solution of the present application may be substantially implemented or a part of or all or part of the technical solution contributing to the prior art may be embodied in the form of a software product stored in a memory, and including several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the above-mentioned method of the embodiments of the present application. And the aforementioned memory comprises: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable memory, which may include: flash Memory disks, Read-Only memories (ROMs), Random Access Memories (RAMs), magnetic or optical disks, and the like.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (14)
1. A device control method applied to an intelligent projector including a TV chip supporting a high definition multimedia interface HDMI, the TV chip including a plurality of HDMI interfaces, the method comprising:
receiving a target HDMI interface switching instruction;
when the target HDMI interface switching instruction is a preset switching instruction, acquiring target identity information;
verifying the target identity information;
when the target identity information is successfully verified, determining a target identity grade corresponding to the target identity information;
when the target identity level is higher than a preset identity level, responding to the target HDMI interface switching instruction, and controlling the TV chip to switch to a target HDMI interface corresponding to the target HDMI interface switching instruction;
displaying an interface of a device connected with the target HDMI interface, wherein the TV chip is used for adjusting the image quality and sound of the interface of the device connected with the target HDMI interface, and the interface is any one of the following: a main page, a system page, a currently displayed page, or any one of designated pages;
when the target identity information includes a target vein image, the verifying the target identity information includes:
dividing the target vein image into P regions, wherein P is an integer larger than 1;
determining the definition of each of the P regions to obtain P definitions;
selecting the definition larger than a first preset threshold value from the P definitions to obtain Q definitions, wherein Q is an integer larger than 1;
dividing each of the Q regions into M sub-regions, wherein M is an integer greater than 1;
determining the distribution density of the characteristic points of M sub-regions corresponding to each of the Q regions;
determining the mean square error of the distribution density of the characteristic points corresponding to each of the Q regions according to the distribution density of the characteristic points of the M sub-regions corresponding to each of the Q regions to obtain Q mean square errors;
selecting a mean square error smaller than a second preset threshold value from the Q mean square errors to obtain N target mean square errors, wherein N is a positive integer smaller than or equal to Q;
acquiring feature points corresponding to the N target mean square deviations to obtain X feature points, wherein X is an integer equal to 1;
matching the X characteristic points with a preset vein image to obtain Y characteristic points successfully matched with the X characteristic points, wherein Y is an integer smaller than X;
when the ratio of the Y to the X is larger than a third preset threshold value, confirming that the target identity information is successfully verified;
when the ratio of the Y to the X is smaller than or equal to the third preset threshold, confirming that the target identity information is successfully verified.
2. The method according to claim 1, wherein the controlling the TV chip to switch to a target HDMI interface corresponding to the target HDMI interface switching instruction comprises:
when the target HDMI interface switching instruction is a first instruction, controlling the TV chip to switch to a first HDMI interface, wherein the intelligent projector is connected with first electronic equipment through the first HDMI interface;
or,
and when the target HDMI interface switching instruction is a second instruction, controlling the TV chip to switch to a second HDMI interface, wherein the intelligent projector is connected with a second electronic device through the second HDMI interface.
3. The method of claim 1 or 2, wherein displaying the interface of the device connected to the target HDMI interface comprises:
acquiring a first display parameter of an interface of equipment connected with the target HDMI;
acquiring a second display parameter of the intelligent projector;
adjusting the second display parameter according to the first display parameter to obtain a target display parameter;
and displaying an interface of equipment connected with the target HDMI interface according to the target display parameters.
4. The method of claim 1 or 2, wherein the TV chip is not HDMI enabled and HDMI enabled by a device interfaced with the target HDMI.
5. A method according to claim 1 or 2, characterized in that the TV chip is used for real-time listening.
6. The method according to claim 1 or 2, wherein the smart projector is controlled by the TV chip, which is used to adjust the picture quality and sound of the smart projector.
7. An apparatus control device applied to an intelligent projector including a TV chip supporting a high definition multimedia interface HDMI, the TV chip including a plurality of HDMI interfaces, the apparatus comprising:
the receiving unit is used for receiving a target HDMI interface switching instruction;
the apparatus is further configured to:
when the target HDMI interface switching instruction is a preset switching instruction, acquiring target identity information;
verifying the target identity information;
when the target identity information is successfully verified, determining a target identity grade corresponding to the target identity information;
the switching unit is used for responding to the target HDMI interface switching instruction when the target identity level is higher than a preset identity level, and controlling the TV chip to switch to a target HDMI interface corresponding to the target HDMI interface switching instruction;
the display unit is used for displaying an interface of the equipment connected with the target HDMI interface, the TV chip is used for adjusting the image quality and sound of the interface of the equipment connected with the target HDMI interface, and the interface is any one of the following: a main page, a system page, a currently displayed page, or any one of designated pages;
when the target identity information includes a target vein image, the verifying the target identity information includes:
dividing the target vein image into P regions, wherein P is an integer larger than 1;
determining the definition of each of the P regions to obtain P definitions;
selecting the definition larger than a first preset threshold value from the P definitions to obtain Q definitions, wherein Q is an integer larger than 1;
dividing each of the Q regions into M sub-regions, wherein M is an integer greater than 1;
determining the distribution density of the characteristic points of M sub-regions corresponding to each of the Q regions;
determining the mean square error of the distribution density of the characteristic points corresponding to each of the Q regions according to the distribution density of the characteristic points of the M sub-regions corresponding to each of the Q regions to obtain Q mean square errors;
selecting a mean square error smaller than a second preset threshold value from the Q mean square errors to obtain N target mean square errors, wherein N is a positive integer smaller than or equal to Q;
acquiring feature points corresponding to the N target mean square deviations to obtain X feature points, wherein X is an integer equal to 1;
matching the X characteristic points with a preset vein image to obtain Y characteristic points successfully matched with the X characteristic points, wherein Y is an integer smaller than X;
when the ratio of the Y to the X is larger than a third preset threshold value, confirming that the target identity information is successfully verified;
when the ratio of the Y to the X is smaller than or equal to the third preset threshold, confirming that the target identity information is successfully verified.
8. The apparatus according to claim 7, wherein in controlling the TV chip to switch to the target HDMI interface corresponding to the target HDMI interface switching instruction, the switching unit is specifically configured to:
when the target HDMI interface switching instruction is a first instruction, controlling the TV chip to switch to a first HDMI interface, wherein the intelligent projector is connected with first electronic equipment through the first HDMI interface;
or,
and when the target HDMI interface switching instruction is a second instruction, controlling the TV chip to switch to a second HDMI interface, wherein the intelligent projector is connected with a second electronic device through the second HDMI interface.
9. The apparatus according to claim 7 or 8, wherein, in the aspect of displaying the interface of the device connected to the target HDMI interface, the display unit is specifically configured to:
acquiring a first display parameter of an interface of equipment connected with the target HDMI;
acquiring a second display parameter of the intelligent projector;
adjusting the second display parameter according to the first display parameter to obtain a target display parameter;
and displaying an interface of equipment connected with the target HDMI interface according to the target display parameters.
10. The apparatus of claim 7 or 8, wherein the TV chip is not HDMI enabled and HDMI enabled by a device interfaced with the target HDMI.
11. The apparatus according to claim 7 or 8, wherein the TV chip is used for real-time listening.
12. The apparatus according to claim 7 or 8, wherein the smart projector is controlled by the TV chip, the TV chip being configured to adjust the picture quality and sound of the smart projector.
13. An intelligent projector comprising a processor, a memory for storing one or more programs and configured to be executed by the processor, the programs comprising instructions for performing the steps in the method of any of claims 1-6.
14. A computer-readable storage medium, characterized in that a computer program for electronic data exchange is stored, wherein the computer program causes a computer to perform the method according to any one of claims 1-6.
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| JP7081107B2 (en) * | 2017-09-28 | 2022-06-07 | セイコーエプソン株式会社 | Electronic devices, display systems, display devices, and control methods for electronic devices |
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| CN109714580A (en) * | 2017-10-26 | 2019-05-03 | 精工爱普生株式会社 | The control method of display device and display device |
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