WO2018153139A1

WO2018153139A1 - Method for implementing projection processing, projection device, and computer storage medium

Info

Publication number: WO2018153139A1
Application number: PCT/CN2017/114346
Authority: WO
Inventors: 赵冬晓
Original assignee: 中兴通讯股份有限公司
Priority date: 2017-02-22
Filing date: 2017-12-02
Publication date: 2018-08-30
Also published as: CN108462860A

Abstract

A method for implementing projection processing, a projection device, and a computer storage medium. The projection device comprises two or more projector optical engines. The method comprises: acquiring the projection parameters of each projector optical engine on the projection device; determining, according to the acquired projection parameters, the projection angle and projection screen of each projector optical engine; and performing projection according to the determined projection angle and projection screen of each projector optical engine. The technical solution provided by the embodiments of the present disclosure performs projection playback by means of a plurality of projector optical engines, improving the area and brightness of projection playback, and improving users' multimedia usage experience. (Figure 1)

Description

Method for realizing projection processing, projection device and computer storage medium

Technical field

The present disclosure relates to, but is not limited to, multimedia display technology, and more particularly to a method of implementing projection processing, a projection apparatus, and a computer storage medium.

Background technique

With the continuous development of multimedia technology, multimedia playback in public performance venues has become an application requirement, for example, video playback of live performances in open spaces; or video playback of prepared video files.

At present, when playing video in an open space, it is generally required to use a large display device or a display screen composed of a plurality of small screens for video playback, and the display effect is poor, and the device is difficult to transport and has high cost due to its large size. Some merchants use the projection device for video playback. When using a projection device for video playback, once the projection distance is large, the problem of low projection brightness or small projection area is likely to occur, which affects the user to obtain a good video playback experience.

Summary of the invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

Embodiments of the present invention provide a method, a projection apparatus, and a computer storage medium for implementing projection processing, which can improve a video playback experience of a user.

An embodiment of the present invention provides a method for implementing a projection process. The projection device includes two or more projection illuminators, and the method includes:

Obtaining projection parameters of each projection light machine on the projection device;

Determining a projection angle and a projection picture of each projection light machine according to the acquired projection parameters;

Projection is performed according to the determined projection angle and projection screen of each of the projection illuminators.

According to an exemplary embodiment, the acquiring projection parameters of each of the projection illuminators on the projection device comprises:

When the projection light projector projects the corrected image, the display position and the projected area of the corrected image projected by each of the projection light machines are acquired by a preset camera.

According to an exemplary embodiment, determining the projection angle of each of the projection optomes according to the acquired projection parameters comprises:

Determining a projection angle of each projection light projector projected to the same display area according to the display position of the acquired corrected image; or

Determining a projection angle of each projection light projector projected to a different display area according to the displayed display position of the corrected image; or

After dividing the projection machine into two or more groups according to the display area to be projected, the projection angle of each grouped projection light machine projected onto the corresponding display area is determined according to the display position of the acquired corrected image.

According to an exemplary embodiment, when determining the projection angle of each of the projection illuminators to determine a projection angle of each of the projection illuminators projected to the same display area, the determining the projection picture of each of the projection optomeels comprises:

Make sure that each projection machine projects a complete projection picture.

According to an exemplary embodiment, when determining a projection angle of each of the projection illuminators to determine a projection angle of each of the projection illuminators projected to different display regions, the determining a projection screen of each of the projection optometics comprises:

Determining, according to the determined projection angle of each of the projection illuminators, a distribution position and an area of each projection illuminator projected onto the corresponding display area; and displaying the complete projection picture to be projected according to the determined projection of each projection illuminator The distribution position and area of the area are divided into corresponding partial projection pictures;

The partial projection image projected by all the projection light machines is projected and displayed as a complete projection image according to the determined projection angle.

According to an exemplary embodiment, the number of projection illuminators included in the projection device includes: a square of a natural number.

In another aspect, an embodiment of the present invention further provides a projection apparatus, including: an acquisition unit, a determination unit, and a projection unit including two or more projection illuminators;

Obtaining a unit, configured to acquire projection parameters of each of the projectors;

Determining a unit, configured to determine a projection angle and a projection screen of each of the projection illuminators according to the acquired projection parameters;

The projection unit performs projection according to the determined projection angle of each of the projection illuminators and the projection screen.

According to an exemplary embodiment, the acquiring unit is configured to: when the projection light projector projects the corrected image, the display position and the projected area of the corrected image projected by each of the projection light machines are acquired by a preset camera.

According to an exemplary embodiment, the determining unit is configured to determine a projection angle of each of the projection optomes according to the acquired projection parameters, including:

According to an exemplary embodiment, the determining unit is configured to:

Determine the projection angle of each projection machine to the same display area, and determine that each projection machine projects a complete projection picture.

According to an exemplary embodiment, the determining unit is configured to:

Determining a projection angle of each projection light machine projected to different display areas, and determining a distribution position and an area of each projection light machine projected onto the corresponding display area according to the determined projection angle of each projection light machine; The complete projection picture is divided into the distribution position and area of the display area to which each of the determined projectors is projected to Corresponding partial projection picture;

An embodiment of the present invention further provides a computer storage medium, where the computer storage medium stores one or more programs executable by a computer, and when the one or more programs are executed by the computer, causing the computer to execute the foregoing A method of implementing projection processing.

Compared with the related art, the technical solution provided by the embodiment of the present invention includes: the projection device includes two or more projection illuminators, and further includes: acquiring projection parameters of each projection illuminator on the projection device; and according to the collected projection parameters Determining the projection angle and projection screen of each projection illuminator; projecting according to the determined projection angle and projection screen of each projection optomechanical machine. The technical solution provided by the embodiment of the invention improves the projection playing area and brightness by using multiple projection light machines for projection playback, thereby improving the multimedia experience of the user.

Other features and advantages of the invention will be set forth in the description which follows, The objectives and other advantages of the invention may be realized and obtained by means of the structure particularly pointed in the appended claims.

DRAWINGS

The drawings are used to provide a further understanding of the technical solutions of the present invention, and constitute a part of the specification, which together with the embodiments of the present application are used to explain the technical solutions of the present invention, and do not constitute a limitation of the technical solutions of the present invention.

1 is a flowchart of a method for implementing projection processing according to an embodiment of the present invention;

2 is a schematic diagram showing a corrected image according to an embodiment of the present invention;

3 is a schematic view showing projection of a projection machine all projected to the same display area according to an embodiment of the present invention;

4 is a schematic diagram of projection of a projection machine respectively projected to different display areas according to an embodiment of the present invention;

FIG. 5 is a structural block diagram of a projection apparatus according to an embodiment of the present invention.

detailed description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the features in the embodiments and the embodiments in the present application may be arbitrarily combined with each other.

The steps illustrated in the flowchart of the figures may be executed in a computer system such as a set of computer executable instructions. Also, although logical sequences are shown in the flowcharts, in some cases the steps shown or described may be performed in a different order than the ones described herein.

1 is a flowchart of a method for implementing a projection process according to an embodiment of the present invention. A projection apparatus for implementing a projection processing method according to an embodiment of the present invention includes a projection apparatus including two or more projection optical machines, and the method of the embodiment of the present invention is as shown in FIG. 1 . Shown, including:

Step 100: Obtain projection parameters of each projection light machine on the projection device;

According to an exemplary embodiment, acquiring the projection parameters of each of the projection illuminators on the projection device according to the embodiment of the present invention includes:

It should be noted that the corrected image may be any image that can distinguish the projections of different projectors, for example, images corresponding to different colors and/or patterns of different optical machines. 2 is a schematic diagram showing a corrected image according to an embodiment of the present invention. As shown in FIG. 2, a display frame filled with lines in different directions indicates a corrected image projected by different projectors. The corrected images have overlapping and gaps, and the overlap can be obtained by the camera. The size of the gap can be corrected according to the overlap and gap size to determine the projection angle and projection picture of each projector. In addition, the embodiment of the present invention can save the projection parameter of the projection environment as a regular projection area and the corresponding projection angle and the projection image as default parameters, and can also store the projection parameters, the projection angle and the projection image of each different projection environment for performing. transfer. The efficiency of the projection processing performed by the embodiment of the present invention can be improved by the above saving application.

Step 101: Determine a projection angle and a projection image of each projection light machine according to the collected projection parameters;

According to an exemplary embodiment, determining, by the embodiment of the present invention, a projection angle of each of the projection optomes according to the collected projection parameters includes:

It should be noted that when determining the projection angle of each projection light machine projected to the same display area, all the projection light machines are projected in the same display area. At this time, the projection image is improved due to the overlapping projection of the projection light machine. FIG. 3 is a schematic view showing the projection of the projection machine to the same display area according to the embodiment of the present invention. As shown in FIG. 3, the projection images of the four projection machines shown in FIG. 2 are superimposed on one display area, and the projected image is projected. The superimposed display shows that the brightness of the image obtained by the projection of the embodiment of the present invention is improved. In the embodiment of the invention, the number of projection illuminators projected to the same display area can be set according to the brightness requirement, thereby realizing the control of the display brightness. When the projection angle of each projection light machine is projected to different display areas, it is equivalent to integrated display by two or more projection light machines in the embodiment of the invention, and the display area is multiplied according to the number of projection light machines, and the projection is performed. The area is improved. FIG. 4 is a schematic diagram of projections of the projectors projected onto different display areas according to an embodiment of the present invention. As shown in FIG. 4, the four projectors are seamlessly docked according to the determined projection angle and the projection screen, and the combination is obtained. The projected image display area is four times that of a single projection unit. In the embodiment of the present invention, a plurality of sets of projection optical machines may be provided, and each set of projection optical machines includes two or more projection optical machines, and display images projected by different sets of projection optical machines may be combined into one complete projection picture, and projected to A projector with the same display area can increase the brightness of the projection display. Here, taking 8 projectors as an example, the projection will be The screen is divided into four display areas, and each area is projected by two projectors. In the embodiment of the present invention, the display area can be improved while improving the display brightness.

According to an exemplary embodiment, when determining the projection angle of each of the projection illuminators to determine the projection angle of each projection illuminator to the same display area, determining the projection picture of each projection optome includes:

Make sure that each projection machine projects a complete projection picture.

According to an exemplary embodiment, when determining the projection angle of each of the projection illuminators to determine the projection angle of each projection illuminator to different display areas, determining the projection screen of each projection optome includes:

Wherein, the partial projection pictures projected by all the projectors are projected as a complete projection picture according to the determined projection angle.

It should be noted that the method for segmenting and obtaining a partial projection picture in the embodiment of the present invention may adopt an image display processing method in the related art, assuming that a complete projection picture is divided and projected by four projection optical machines, and each of the projection optical machines If the projection area is the same, the complete projection picture can be divided into four parts, and then one quarter of the projection pictures are respectively projected by the four projectors.

Step 102: Projecting according to the determined projection angle and projection screen of each of the projection illuminators.

It should be noted that the projection angle and the projection screen of the projection light machine determined by the embodiment of the present invention can be adjusted by using an adjustment device preset, and after the adjustment is completed, the adjusted projection angle and the projection image can be used for projection, for example, by Set the arm or motor to make adjustments.

In the embodiment of the present invention, the number of the projectors included in the projection apparatus may include: a square number of natural numbers.

It should be noted that the number of the projectors in the embodiment of the present invention may be two or more. According to the processing method of image segmentation in the related art, the projector may be four, nine, sixteen, etc., if projection When the light machine is used to increase the projection brightness, it is possible to set only a part of the projector to process the working state; for example, only two projectors process the working state.

Compared with the related art, the technical solution of the present application includes: the projection device includes two or more projection light machines, including: acquiring projection parameters of each projection light machine on the projection device; determining each projection light according to the collected projection parameters Projection angle and projection picture of the machine; projection according to the determined projection angle and projection picture of each projection light machine. The embodiment of the invention performs projection playback by using multiple projection light machines, thereby improving the projection playing area and brightness, and improving the multimedia use experience of the user.

The embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used for the method for implementing the projection processing.

5 is a structural block diagram of a projection apparatus according to an embodiment of the present invention. As shown in FIG. 5, the method includes: an acquiring unit, a determining unit, and a projection unit including two or more projection illuminators;

According to an exemplary embodiment, the acquisition unit is configured to: when the projection light projector projects the corrected image, the display position and the projected area of the corrected image projected by each of the projection light machines are acquired by a preset camera.

It should be noted that the corrected image may be any image that can distinguish the projections of different projectors, for example, images corresponding to different colors and/or patterns of different optical machines. In addition, the embodiment of the present invention can save the projection parameter of the projection environment as a regular projection area and the corresponding projection angle and the projection image as default parameters, and can also store the projection parameters, the projection angle and the projection image of each different projection environment for performing. transfer. The efficiency of the projection processing performed by the embodiment of the present invention can be improved by the above saving application.

It should be noted that when determining the projection angle of each projection light machine projected to the same display area, all the projection light machines are projected in the same display area. At this time, the projection image is improved due to the overlapping projection of the projection light machine. . In the embodiment of the invention, the number of projection illuminators projected to the same display area can be set according to the brightness requirement, thereby realizing the control of the display brightness. When the projection angle of each projection light machine is projected to different display areas, it is equivalent to integrated display by two or more projection light machines in the embodiment of the invention, and the display area is multiplied according to the number of projection light machines, and the projection is performed. The area has been improved. In the embodiment of the present invention, a plurality of sets of projection optical machines may be provided, and each set of projection optical machines includes two or more projection optical machines, and display images projected by different sets of projection optical machines may be combined into one complete projection picture, and projected to A projector with the same display area can increase the brightness of the projection display.

According to an exemplary embodiment, the determining unit is set to:

Determining a projection angle of each projection light machine projected to different display areas, and determining a distribution position and an area of each projection light machine projected onto the corresponding display area according to the determined projection angle of each projection light machine; The complete projection picture is divided into corresponding partial projection pictures according to the distribution position and area of the display area to which each of the determined projectors is projected;

It should be noted that, in the method for segmenting and obtaining a partial projection picture, the method in the related art may be adopted in the related art. Like the display processing method, assuming that a complete projection picture is divided and projected by four projectors, and the projection areas of the projectors are the same, the complete projection picture can be divided into four parts, and four The projector illuminates a quarter of the projected image.

According to an exemplary embodiment, the number of projection illuminators included in the projection apparatus of the embodiment of the present invention includes: a square number of natural numbers.

One of ordinary skill in the art will appreciate that all or a portion of the above steps may be performed by a program to instruct related hardware, such as a processor, which may be stored in a computer readable storage medium, such as a read only memory, disk or optical disk. Wait. Alternatively, all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module/unit in the foregoing embodiment may be implemented in the form of hardware, for example, by implementing an integrated circuit to implement its corresponding function, or may be implemented in the form of a software function module, for example, being executed by a processor and stored in a memory. Programs/instructions to implement their respective functions. The invention is not limited to any specific form of combination of hardware and software.

While the embodiments of the present invention have been described above, the described embodiments are merely for the purpose of understanding the invention and are not intended to limit the invention. Any modification and variation in the form and details of the embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention. The scope defined by the appended claims shall prevail.

Industrial applicability

The technical solution provided by the embodiment of the present invention can be applied to a multimedia display technology. The technical solution provided by the embodiment of the invention improves the projection playing area and brightness by using multiple projection light machines for projection playback, thereby improving the multimedia experience of the user.

Claims

A method of implementing a projection process, wherein the projection device comprises two or more projection optomes, the method comprising:

Obtaining projection parameters of each projection light machine on the projection device;

Determining a projection angle and a projection picture of each projection light machine according to the acquired projection parameters;

Projection is performed according to the determined projection angle and projection screen of each of the projection illuminators.
The method of claim 1, wherein the acquiring projection parameters of each of the projection illuminators on the projection device comprises:

When the projection light projector projects the corrected image, the display position and the projected area of the corrected image projected by each of the projection light machines are acquired by a preset camera.
The method of claim 2, wherein the determining the projection angle of each of the projection optomes based on the acquired projection parameters comprises:

Determining a projection angle of each projection light projector projected to the same display area according to the display position of the acquired corrected image; or

Determining a projection angle of each projection light projector projected to a different display area according to the displayed display position of the corrected image; or

After dividing the projection machine into two or more groups according to the display area to be projected, the projection angle of each grouped projection light machine projected onto the corresponding display area is determined according to the display position of the acquired corrected image.
The method according to claim 3, wherein said determining a projection angle of each of the projection illuminators determines a projection angle of each of the projection illuminators when determining a projection angle of each of the projection illuminators projected to the same display area include:

Make sure that each projection machine projects a complete projection picture.
The method according to claim 3, wherein said determining a projection angle of each of the projection illuminators determines a projection angle of each of the projection illuminators when determining a projection angle of each projection illuminator projected onto a different display area include:

Determining, according to the determined projection angle of each of the projection illuminators, a distribution position and an area of each projection illuminator projected onto the corresponding display area; and displaying the complete projection picture to be projected according to the determined projection of each projection illuminator The distribution position and area of the area are divided into corresponding partial projection pictures;

The partial projection image projected by all the projection light machines is projected and displayed as a complete projection image according to the determined projection angle.
The method according to any one of claims 1 to 5, wherein the number of projection illuminators included in the projection device comprises: a square of a natural number.
A projection device includes: an acquisition unit, a determination unit, and a projection unit including two or more projection illuminators; wherein

Obtaining a unit, configured to acquire projection parameters of each of the projectors;

Determining a unit, configured to determine a projection angle and a projection screen of each of the projection illuminators according to the acquired projection parameters;

The projection unit performs projection according to the determined projection angle of each of the projection illuminators and the projection screen.
The projection apparatus according to claim 7, wherein the acquisition unit is configured to: when the projection light projector projects the corrected image, the display position and the projected area of the corrected image projected by each of the projection light machines are acquired by a preset camera.
The projection apparatus according to claim 8, wherein the determining unit is configured to determine a projection angle of each of the projection illuminators according to the acquired projection parameters, including:

Determining a projection angle of each projection light projector projected to the same display area according to the display position of the acquired corrected image; or

Determining a projection angle of each projection light projector projected to a different display area according to the displayed display position of the corrected image; or

After dividing the projection machine into two or more groups according to the display area to be projected, the projection angle of each grouped projection light machine projected onto the corresponding display area is determined according to the display position of the acquired corrected image.
The projection apparatus according to claim 9, wherein the determining unit is configured to:

Determine the projection angle of each projection machine to the same display area, and determine that each projection machine projects a complete projection picture.
The projection apparatus according to claim 9, wherein the determining unit is configured to:

Determining a projection angle of each projection light machine projected to different display areas, and determining a distribution position and an area of each projection light machine projected onto the corresponding display area according to the determined projection angle of each projection light machine; The complete projection picture is divided into corresponding partial projection pictures according to the distribution position and area of the display area to which each of the determined projectors is projected;

The partial projection image projected by all the projection light machines is projected and displayed as a complete projection image according to the determined projection angle.
The projection apparatus according to any one of claims 7 to 11, wherein the number of projection illuminators included in the projection apparatus includes a square number of natural numbers.
A computer storage medium having stored therein one or more programs executable by a computer, the one or more programs being executed by the computer to cause the computer to perform as in claims 1-6 A method of implementing projection processing as described in any of the preceding claims.