CN106488160A - A kind of method for displaying projection, device and electronic equipment - Google Patents
A kind of method for displaying projection, device and electronic equipment Download PDFInfo
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Abstract
The embodiment of the present invention provides method for displaying projection, device and electronic equipment, and Scanning Detction obtains the corresponding parameter of at least one impact point in the destination object corresponding to the destination object in the predeterminable area of operation interface；Virtual image process is carried out using the corresponding parameter of at least one impact point, obtain the virtual image of the destination object；Control the Projection Display of the virtual image of the destination object.
Description
Technical Field
The present invention relates to intelligent projection processing technologies, and in particular, to a projection display method and apparatus, and an electronic device.
Background
At present, with the rapid development of electronic technology, the intelligent projection technology has been widely applied to daily life. However, for the existing intelligent projection device, taking a projector including a touch screen type operation interface as an example, when an operator operates the projector on the touch screen interface, the projection interface of the projector only projects the result of the operation of the operator. That is to say, the operation interface and the projection interface are separated, so that the audience can only see the operation result but not the operation process, the feeling of inconsistent and unsmooth display of the projection interface is easily generated, and the user experience is seriously influenced.
Disclosure of Invention
In view of this, embodiments of the present invention provide a projection display method and apparatus, and an electronic device, which are capable of displaying an operation process of an operation interface on a projection interface, so that the operation process is synchronously displayed while an operation result is displayed on the projection interface.
In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:
the embodiment of the invention provides a projection display method, which comprises the following steps:
scanning and detecting target objects in a preset area corresponding to an operation interface, and acquiring parameters corresponding to at least one target point in the target objects;
performing virtual imaging processing by using the parameters corresponding to the at least one target point to obtain a virtual image of the target object;
controlling a projection display of a virtual image of the target object.
In the above scheme, the parameters corresponding to at least one target point in the target object include a scanning included angle and a scanning distance;
wherein the scanning distance is a linear distance between the target point and a scanning point; and the scanning included angle is an included angle formed by a straight line between the target point and the scanning point and the operation interface.
In the above scheme, the performing virtual imaging processing by using a parameter corresponding to at least one target point to obtain a virtual image of the target object includes:
determining the height of a target point and a plane coordinate corresponding to the target point based on the scanning included angle and the scanning distance;
and performing virtual imaging processing according to the height of the target point and the plane coordinates corresponding to the target point to obtain a virtual image corresponding to at least one target point, and taking the virtual image corresponding to the at least one target point as the virtual image of the target object.
In the above scheme, the height of the target point is the distance between the target and the operation interface; and the plane coordinate corresponding to the target point is the plane coordinate of the projection point of the target point on the operation interface.
In the above scheme, the method further comprises:
performing virtualization transparency processing on the obtained virtual image of the target object to obtain a virtual image subjected to virtualization transparency processing;
correspondingly, the control of the projection display of the virtual image of the target object comprises the following steps:
and controlling the projection display of the virtual image after the blurring and transparency processing.
The embodiment of the invention also provides electronic equipment, which comprises a scanning sensor, an imager, an image output device and a processor; wherein,
the processor is used for controlling the scanning sensor to scan and detect a target object in a preset area corresponding to an operation interface, and obtaining a parameter corresponding to at least one target point in the target object; controlling the imager to perform virtual imaging processing by using the parameters corresponding to the at least one target point to obtain a virtual image of the target object; controlling projection display of the virtual image of the target object by the image outputter.
The embodiment of the invention also provides a projection display device, which comprises an acquisition module, a virtual imaging processing module and a control module; wherein,
the acquisition module is used for scanning and detecting target objects in a preset area corresponding to an operation interface and acquiring parameters corresponding to at least one target point in the target objects;
the virtual imaging processing module is used for performing virtual imaging processing by using the parameters corresponding to the at least one target point to obtain a virtual image of the target object;
the control module is used for controlling projection display of the virtual image of the target object.
In the above scheme, the parameters corresponding to at least one target point in the target object include a scanning included angle and a scanning distance;
wherein the scanning distance is a linear distance between the target point and a scanning point; and the scanning included angle is an included angle formed by a straight line between the target point and the scanning point and the operation interface.
In the above scheme, the virtual imaging processing module includes a coordinate positioning sub-module and a virtual imaging processing sub-module;
the coordinate positioning sub-module is used for determining the height of a target point and a plane coordinate corresponding to the target point based on the scanning included angle and the scanning distance;
the virtual imaging processing sub-module is used for performing virtual imaging processing according to the height of the target point and the plane coordinate corresponding to the target point to obtain a virtual image corresponding to at least one target point, and taking the virtual image corresponding to the at least one target point as the virtual image of the target object.
In the above scheme, the height of the target point is the distance between the target point and the operation interface; and the plane coordinate corresponding to the target point is the plane coordinate of the projection point of the target point on the operation interface.
In the above solution, the apparatus further includes a virtual transparent processing module; wherein,
the virtual transparent processing module is used for carrying out virtualization transparent processing on the obtained virtual image of the target object to obtain a virtualized transparent processed virtual image;
correspondingly, the control module is further configured to control projection display of the virtual image after the blurring and transparency processing.
According to the projection display method, the projection display device and the electronic equipment, the target object corresponding to the preset area of the operation interface is scanned and detected, and the parameter corresponding to at least one target point in the target object is obtained; performing virtual imaging processing by using the parameters corresponding to the at least one target point to obtain a virtual image of the target object; controlling a projection display of a virtual image of the target object. Therefore, the operation process of the operation interface can be displayed on the projection interface, and the operation process is synchronously displayed on the basis of displaying the operation result on the projection interface. Therefore, the user can see the operation result and the operation process on the projection interface, and the discontinuous feeling brought to the user by the complete separation of the projection interface and the operation interface in the prior art is eliminated, so that the user experience is improved.
Drawings
Fig. 1 is a schematic flow chart illustrating a first implementation process of a projection display method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a second implementation flow of the projection display method according to the embodiment of the invention;
FIG. 3 is a schematic diagram of an implementation of determining a height of a target point and a plane coordinate corresponding to the target point based on the scanning angle and the scanning distance according to the embodiment of the present invention;
FIG. 4 is a third schematic flow chart illustrating an implementation of a projection display method according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating a display effect of a projection display method on a projection interface according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a structure of an electronic device according to an embodiment of the invention;
FIG. 7 is a first schematic view illustrating a first exemplary structure of a projection display device according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a virtual imaging processing module according to an embodiment of the present invention;
fig. 9 is a schematic view of a second exemplary configuration of a projection display device according to an embodiment of the invention.
Detailed Description
In the embodiment of the invention, a target object in a preset area corresponding to an operation interface is scanned and detected, and a parameter corresponding to at least one target point in the target object is obtained; performing virtual imaging processing by using the parameters corresponding to the at least one target point to obtain a virtual image of the target object; controlling a projection display of a virtual image of the target object.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example one
Fig. 1 is a first schematic flow chart illustrating an implementation process of a projection display method according to an embodiment of the present invention, as shown in fig. 1, the projection display method according to the embodiment of the present invention includes:
step S101: scanning and detecting target objects in a preset area corresponding to an operation interface, and acquiring parameters corresponding to at least one target point in the target objects;
specifically, the electronic device may scan and detect a target object in a preset area corresponding to the operation interface through a device having a scan detection function, such as a scan sensor disposed on the electronic device, so as to obtain a parameter corresponding to at least one target point in the target object.
Here, the electronic device may be a projector or other device having a projection function, which includes an operation interface and a projection interface. The operation interface can be a touch screen interface; the operation interface can also be an operation interface similar to a keyboard and comprising physical keys with different functions. Correspondingly, the target object in the preset area corresponding to the operation interface may be a touch point acting on the touch screen interface or a user finger, a stylus pen or the like performing a touch operation on the touch screen interface; the target object in the preset area corresponding to the operation interface may also be a user's finger or the like performing a key operation on the operation interface including the physical keys with different functions.
Here, the parameters corresponding to at least one target point in the target object include a scanning included angle and a scanning distance;
wherein the scanning distance is a linear distance between the target point and a scanning point; and the scanning included angle is an included angle formed by a straight line between the target point and the scanning point and the operation interface. It should be added that the scanning point is a position on the electronic device where a device for performing a scanning detection operation, such as a scanning sensor, is located.
In practical applications, the electronic device is provided with a function switch for controlling the projection display according to the embodiment of the invention. When the user starts the projection display function through the function switch, the electronic device starts to control a device with a scanning detection function, such as a scanning sensor arranged on the electronic device, to scan and detect a target object in a preset area corresponding to the operation interface, so as to obtain a parameter corresponding to at least one target point in the target object.
Step S102: performing virtual imaging processing by using the parameters corresponding to the at least one target point to obtain a virtual image of the target object;
specifically, the electronic device performs virtual imaging processing by using a scanning included angle and a scanning distance corresponding to the at least one target point to obtain a virtual image of the at least one target point in the target object, which is used as the virtual image of the target object.
Here, the virtual imaging processing procedure may adopt a related technology that is relatively mature in the prior art, and is not described herein again.
Step S103: controlling a projection display of a virtual image of the target object.
Specifically, after obtaining the virtual image of the target object, the electronic device controls the projection display of the virtual image of the target object on a projection interface in real time.
According to the projection display method provided by the embodiment of the invention, a target object in a preset area corresponding to an operation interface is scanned and detected, and a parameter corresponding to at least one target point in the target object is obtained; performing virtual imaging processing by using the parameters corresponding to the at least one target point to obtain a virtual image of the target object; and controlling the projection display of the virtual image of the target object on a projection interface. Therefore, the operation process of the operation interface can be displayed on the projection interface, and the operation process is synchronously displayed on the basis of displaying the operation result on the projection interface. Therefore, the user can see the operation result and the operation process on the projection interface, and the discontinuous feeling brought to the user by the complete separation of the projection interface and the operation interface in the prior art is eliminated, so that the user experience is improved.
Example two
Fig. 2 is a schematic diagram of an implementation flow of the projection display method according to the embodiment of the present invention, and as shown in fig. 2, the projection display method according to the embodiment of the present invention includes:
step S201: scanning and detecting target objects in a preset area corresponding to an operation interface, and obtaining a scanning included angle and a scanning distance corresponding to at least one target point in the target objects;
wherein the scanning distance is a linear distance between the target point and a scanning point; and the scanning included angle is an included angle formed by a straight line between the target point and the scanning point and the operation interface.
Step S202: determining the height of a target point and a plane coordinate corresponding to the target point based on the scanning included angle and the scanning distance;
the height of the target point is the distance between the target point and the operation interface; and the plane coordinate corresponding to the target point is the plane coordinate of the projection point of the target point on the operation interface.
In an example, fig. 3 is an implementation schematic diagram of determining a height of a target point and a plane coordinate corresponding to the target point based on the scanning included angle and the scanning distance according to the embodiment of the present invention, as shown in fig. 3, a rectangular matrix is used to represent a touch screen interface of a projector, and 4 scanning sensors are distributed around the touch screen and respectively correspond to the scanning points C, D, E, F. Taking one of the scanning points C as an example, when the scanning sensor scans a preset area corresponding to the operation interface, that is, at least one target point M in the target object above the touch screen, the scanning sensor obtains and feeds back the scanning angle a and the scanning distance CM. And the coordinate positioner calculates and determines the height of the target point and the plane coordinate corresponding to the target point according to the scanning included angle A and the scanning distance CM. Specifically, the plane coordinates (X ═ CN × (COs) (B), Y ═ CO + CN × (B)) of the projection point N of the target point M on the touch screen interface are calculated according to the scan included angle a, the scan distance CM, and the included angle B between the scan plane and the vertical plane CE, and the distance between the target point M and the touch screen interface, that is, the height MN ═ CM × (a) of the target point M is calculated according to the distance between the target point M and the touch screen interface.
Step S203: performing virtual imaging processing according to the height of the target point and the plane coordinates corresponding to the target point to obtain a virtual image corresponding to at least one target point, and taking the virtual image corresponding to the at least one target point as the virtual image of the target object;
specifically, after the height of the target point and the plane coordinates corresponding to the target point are determined through calculation, that is, the three-dimensional information positioning of the target point is determined, the electronic device further transmits the three-dimensional information positioning to an imager for virtual imaging, and finally the virtual imaging of the target object is obtained.
Here, the virtual imaging processing procedure may adopt a related technology that is relatively mature in the prior art, and is not described herein again.
Step S204: controlling a projection display of a virtual image of the target object.
Therefore, the projection display method provided by the embodiment of the invention can display the operation process of the operation interface on the projection interface, so that the operation process is synchronously displayed on the basis of displaying the operation result on the projection interface. Therefore, the user can see the operation result and the operation process on the projection interface, and the discontinuous feeling brought to the user by the complete separation of the projection interface and the operation interface in the prior art is eliminated, so that the user experience is improved.
EXAMPLE III
Fig. 4 is a schematic flow chart of a third implementation of the projection display method according to the embodiment of the present invention, as shown in fig. 4, the projection display method according to the embodiment of the present invention includes:
step S401: scanning and detecting target objects in a preset area corresponding to an operation interface, and acquiring parameters corresponding to at least one target point in the target objects;
here, the parameters corresponding to at least one target point in the target object include a scanning included angle and a scanning distance;
wherein the scanning distance is a linear distance between the target point and a scanning point; and the scanning included angle is an included angle formed by a straight line between the target point and the scanning point and the operation interface.
Step S402: performing virtual imaging processing by using the parameters corresponding to the at least one target point to obtain a virtual image of the target object;
step S403: performing virtualization transparency processing on the obtained virtual image of the target object to obtain a virtual image subjected to virtualization transparency processing;
here, the obtained virtual image of the target object is subjected to blurring transparent processing by an image processor in the electronic device, so that when the virtual image of the target object is displayed on the projection interface, an operation result which is originally required to be displayed on the projection interface is not completely covered.
Here, the virtual transparent processing procedure may adopt a relatively mature related technology in the prior art, and is not described herein again.
Step S404: and controlling the projection display of the virtual image after the blurring and transparency processing.
By the projection display method, on the basis of obtaining the virtual image of the target object, the obtained virtual image of the target object is further subjected to virtual transparency processing to obtain a virtual image subjected to virtual transparency processing; and then, controlling the projection display of the virtual image after the blurring and transparency processing, as shown in fig. 5. Therefore, the operation process of the operation interface can be displayed on the projection interface, so that the operation process is synchronously displayed on the basis of displaying the operation result on the projection interface, namely the virtual image after the virtualization and transparency processing is displayed. Therefore, the image processor in the electronic equipment performs the blurring transparent processing on the obtained virtual image of the target object, so that when the virtual image of the target object is displayed on the projection interface, the operation result which needs to be displayed on the projection interface can not be completely covered, and the user experience is improved.
Example four
Fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 6, the electronic device includes a scanning sensor 601, an imager 602, an image output device 603, and a processor 604; wherein,
the processor 604 is configured to control the scanning sensor 601 to scan and detect a target object in a preset area corresponding to an operation interface, and obtain a parameter corresponding to at least one target point in the target object; controlling the imager 602 to perform virtual imaging processing by using the parameters corresponding to the at least one target point to obtain a virtual image of the target object; controls the projection display of the virtual image of the target object by the image outputter 603.
The parameters corresponding to at least one target point in the target object comprise a scanning included angle and a scanning distance; the scanning distance is a linear distance between the target point and the scanning point; and the scanning included angle is an included angle formed by a straight line between the target point and the scanning point and the operation interface.
EXAMPLE five
Fig. 7 is a schematic diagram of a first structural configuration of a projection display apparatus according to an embodiment of the present invention, as shown in fig. 7, the apparatus includes an obtaining module 701, a virtual imaging processing module 702, and a control module 703; wherein,
the obtaining module 701 is configured to scan and detect a target object in a preset area corresponding to an operation interface, and obtain a parameter corresponding to at least one target point in the target object;
here, the parameters corresponding to at least one target point in the target object include a scanning included angle and a scanning distance; wherein the scanning distance is a linear distance between the target point and a scanning point; and the scanning included angle is an included angle formed by a straight line between the target point and the scanning point and the operation interface.
The virtual imaging processing module 702 is configured to perform virtual imaging processing by using the parameter corresponding to the at least one target point to obtain a virtual image of the target object;
the control module 703 is configured to control projection display of a virtual image of the target object.
In one embodiment, as shown in fig. 8, the virtual imaging processing module 702 includes a coordinate positioning sub-module 7021 and a virtual imaging processing sub-module 7022;
the coordinate positioning sub-module 7021 is configured to determine the height of the target point and the plane coordinate corresponding to the target point based on the scanning included angle and the scanning distance;
here, the height of the target point is the distance between the target point and the operation interface; and the plane coordinate corresponding to the target point is the plane coordinate of the projection point of the target point on the operation interface.
The virtual imaging processing sub-module 7022 is configured to perform virtual imaging processing according to the heights of the target points and the plane coordinates corresponding to the target points to obtain virtual images corresponding to at least one target point, and use the virtual images corresponding to the at least one target point as the virtual images of the target object.
In one embodiment, as shown in fig. 9, the apparatus further comprises a virtual transparent processing module 704; wherein,
the virtual transparent processing module 704 is configured to perform a virtual transparent processing on the obtained virtual image of the target object to obtain a virtual image after the virtual transparent processing;
correspondingly, the control module 703 is further configured to control projection display of the virtual image after the blurring and transparency processing.
In practical applications, each module in the projection display apparatus and the sub-modules included in each module in the projection display apparatus according to the embodiments of the present invention may be implemented by a processor in an electronic device to which the projection display apparatus belongs, or may be implemented by a specific logic circuit; for example, in practical applications, the display device may be implemented by a Central Processing Unit (CPU), a microprocessor unit (MPU), a Digital Signal Processor (DSP), or a Field Programmable Gate Array (FPGA) located in an electronic device to which the projection display device belongs.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Claims (11)
1. A method of projection display, the method comprising:
scanning and detecting target objects in a preset area corresponding to an operation interface, and acquiring parameters corresponding to at least one target point in the target objects;
performing virtual imaging processing by using the parameters corresponding to the at least one target point to obtain a virtual image of the target object;
controlling a projection display of a virtual image of the target object.
2. The method according to claim 1, wherein the parameters corresponding to at least one target point in the target object comprise a scanning angle and a scanning distance;
wherein the scanning distance is a linear distance between the target point and a scanning point; and the scanning included angle is an included angle formed by a straight line between the target point and the scanning point and the operation interface.
3. The method according to claim 2, wherein the performing the virtual imaging processing by using the parameters corresponding to the at least one target point to obtain the virtual image of the target object comprises:
determining the height of a target point and a plane coordinate corresponding to the target point based on the scanning included angle and the scanning distance;
and performing virtual imaging processing according to the height of the target point and the plane coordinates corresponding to the target point to obtain a virtual image corresponding to at least one target point, and taking the virtual image corresponding to the at least one target point as the virtual image of the target object.
4. The method of claim 3, wherein the target point height is a distance between the target and the operator interface; and the plane coordinate corresponding to the target point is the plane coordinate of the projection point of the target point on the operation interface.
5. The method according to any one of claims 1 to 4, further comprising:
performing virtualization transparency processing on the obtained virtual image of the target object to obtain a virtual image subjected to virtualization transparency processing;
correspondingly, the control of the projection display of the virtual image of the target object comprises the following steps:
and controlling the projection display of the virtual image after the blurring and transparency processing.
6. An electronic device, comprising a scanning sensor, an imager, an image outputter, and a processor; wherein,
the processor is used for controlling the scanning sensor to scan and detect a target object in a preset area corresponding to an operation interface, and obtaining a parameter corresponding to at least one target point in the target object; controlling the imager to perform virtual imaging processing by using the parameters corresponding to the at least one target point to obtain a virtual image of the target object; controlling projection display of the virtual image of the target object by the image outputter.
7. A projection display device is characterized by comprising an acquisition module, a virtual imaging processing module and a control module; wherein,
the acquisition module is used for scanning and detecting target objects in a preset area corresponding to an operation interface and acquiring parameters corresponding to at least one target point in the target objects;
the virtual imaging processing module is used for performing virtual imaging processing by using the parameters corresponding to the at least one target point to obtain a virtual image of the target object;
the control module is used for controlling projection display of the virtual image of the target object.
8. The apparatus according to claim 7, wherein the parameters corresponding to at least one target point in the target object include a scan angle and a scan distance;
wherein the scanning distance is a linear distance between the target point and a scanning point; and the scanning included angle is an included angle formed by a straight line between the target point and the scanning point and the operation interface.
9. The apparatus of claim 8, wherein the virtual imaging processing module comprises a coordinate positioning sub-module and a virtual imaging processing sub-module;
the coordinate positioning sub-module is used for determining the height of a target point and a plane coordinate corresponding to the target point based on the scanning included angle and the scanning distance;
the virtual imaging processing sub-module is used for performing virtual imaging processing according to the height of the target point and the plane coordinate corresponding to the target point to obtain a virtual image corresponding to at least one target point, and taking the virtual image corresponding to the at least one target point as the virtual image of the target object.
10. The device of claim 9, wherein the target point height is a distance between the target point and the operation interface; and the plane coordinate corresponding to the target point is the plane coordinate of the projection point of the target point on the operation interface.
11. The apparatus according to any one of claims 7 to 10, wherein the apparatus further comprises a virtual transparent processing module; wherein,
the virtual transparent processing module is used for carrying out virtualization transparent processing on the obtained virtual image of the target object to obtain a virtualized transparent processed virtual image;
correspondingly, the control module is further configured to control projection display of the virtual image after the blurring and transparency processing.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510523224.5A CN106488160A (en) | 2015-08-24 | 2015-08-24 | A kind of method for displaying projection, device and electronic equipment |
| PCT/CN2015/096943 WO2016165362A1 (en) | 2015-08-24 | 2015-12-10 | Projection display method, device, electronic apparatus and computer storage medium |
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| CN201510523224.5A CN106488160A (en) | 2015-08-24 | 2015-08-24 | A kind of method for displaying projection, device and electronic equipment |
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| CN107222676A (en) * | 2017-05-26 | 2017-09-29 | Tcl移动通信科技（宁波）有限公司 | A kind of generation method, storage device and mobile terminal for blurring photo |
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| CN112954206B (en) * | 2021-02-05 | 2022-08-16 | 上海富彭展览展示服务有限公司 | Virtual makeup display method, system, device and storage medium thereof |
| CN113593015A (en) * | 2021-07-27 | 2021-11-02 | 杭州思锐迪科技有限公司 | Scanning system, method, device, electronic device and storage medium |
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| CN101963840A (en) * | 2009-07-22 | 2011-02-02 | 罗技欧洲公司 | Be used for system and method long-range, the virtual screen input |
| CN102063183A (en) * | 2011-02-12 | 2011-05-18 | 深圳市亿思达显示科技有限公司 | Virtual input device of grove type |
| CN102736726A (en) * | 2011-04-11 | 2012-10-17 | 曾亚东 | Stealth technology for keyboard and mouse |
| DE102011112663A1 (en) * | 2011-09-05 | 2013-03-07 | Doron Lahav | Data inputting method involves determining position of finger of user based on position of keys on keyboard and displaying keys and fingers on display during data input of user |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107222676A (en) * | 2017-05-26 | 2017-09-29 | Tcl移动通信科技（宁波）有限公司 | A kind of generation method, storage device and mobile terminal for blurring photo |
| CN107222676B (en) * | 2017-05-26 | 2020-06-02 | Tcl移动通信科技（宁波）有限公司 | Blurred picture generation method, storage device and mobile terminal |
| US11108950B2 (en) | 2017-05-26 | 2021-08-31 | Tcl Communication (Ningbo) Co., Ltd. | Method for generating blurred photograph, and storage device and mobile terminal |
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