CN111812923A - Control method of copying projection system and projection system thereof - Google Patents
Control method of copying projection system and projection system thereof Download PDFInfo
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- CN111812923A CN111812923A CN202010374659.9A CN202010374659A CN111812923A CN 111812923 A CN111812923 A CN 111812923A CN 202010374659 A CN202010374659 A CN 202010374659A CN 111812923 A CN111812923 A CN 111812923A
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- projector
- projection
- projection system
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B11/00—Teaching hand-writing, shorthand, drawing, or painting
- G09B11/10—Teaching painting
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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- Projection Apparatus (AREA)
Abstract
The invention provides a control method of a copying projection system and the projection system thereof, belonging to the field of projection systems. A control method of a copying projection system comprises the following steps: s00, sending the outline pattern to the optical machine projector by the mobile phone end; and S10, the optical machine projector projects the outline graph to a projection carrier below the optical machine projector, and the projection carrier displays the outline graph. The control method of the copying projection system and the projection system thereof can project outline graphics and cultivate interest of learning and drawing.
Description
Technical Field
The invention relates to the field of copying projection systems, in particular to a control method of a copying projection system and the projection system.
Background
The projection in the current market needs to be controlled by a remote controller matched with the projector, and the projection can be controlled only by a button on the projector without the remote controller. And the picture projected by the lcd liquid crystal screen under strong light is not clear, and the displayed picture can not adjust the light intensity too dazzlingly.
At present, children are difficult to independently learn drawing at home, teachers are led to explain or hands teach the drawing, and the interest of the children is difficult to cultivate as a result.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a control method of a copying projection system and the projection system thereof, which can convert a graph into a pixel graph to be projected step by step.
The technical scheme of the invention is realized as follows:
a method of controlling a copy projection system, comprising the steps of: s00, the mobile phone end 1 sends the outline pattern to the optical machine projector 2; and S10, the optical machine projector 2 projects the outline graph onto a projection carrier 3 below the optical machine projector 2, and the outline graph is displayed on the projection carrier 3.
Further, before the SOO step, the method also comprises a generating step of the outline graph, wherein the generating step comprises the following steps: s01, carrying out graying and binarization processing on the photo of the mobile phone terminal 1 to form a black and white photo; s02, calculating edge pixel points by adopting a contour extraction algorithm; and S03, extracting edge pixel points and generating the contour graph.
A resource gallery 4 is further configured in the optical machine projector 2; the resource gallery 4 is stored with a step-by-step segmentation picture 41 segmented according to the drawing steps; the opto-mechanical projector 2 projects stroke by stroke according to the number of strokes of the step-by-step segmented picture 41.
Further after the step of S10, the method further includes a step of cutting the outline pattern, where the cutting step is as follows: s11: averagely dividing the outline graph into a plurality of graph blocks and generating a picture number; s12 the optical engine projector 2 projects the plurality of graphic blocks block by block according to the picture number.
The optical machine projector 2 is further provided with an operation panel 5; a manual switching button 51 is arranged on the operation panel 5; clicking a manual switching button 51 on the operation panel 5, and each time clicking the manual switching button 51, the optical-mechanical projector 2 projecting the corresponding step-by-step segmented picture 41 according to the stroke number or projecting the corresponding graphic block by block according to the picture number; the optical machine projector 2 sends the current step-by-step segmentation picture 41 or the current graphic block to the mobile phone terminal 1, and the mobile phone terminal 1 synchronously displays the current step-by-step segmentation picture 41 or the current graphic block in real time.
Further replaced by the optical machine projector 2 is provided with an operation panel 5; an automatic switching button 52 is arranged on the operation panel 5; clicking an automatic switching button 52 on the operation panel 5, and the optical-mechanical projector 2 automatically projects the step-by-step segmented picture 41 one by one according to the stroke number at regular time or automatically projects the graphic block one by one according to the picture number at regular time; the optical machine projector 2 sends the current step-by-step segmentation picture 41 or the current graphic block to the mobile phone terminal 1, and the mobile phone terminal 1 synchronously displays the current step-by-step segmentation picture 41 or the current graphic block in real time.
A copy projection system, a method for controlling a copy projection system, comprising: the mobile phone comprises a mobile phone end 1, an optical machine projector 2 and a projection carrier 3; the mobile phone terminal 1 is used for controlling a projection graph; the optical projector 2 is used for projecting a contour figure; the projection carrier 3 is used for displaying a projected graph; the mobile phone end 1 is communicated with the optical machine projector 2, the mobile phone end 1 controls the optical machine projector 2, and the projection carrier 3 displays the projected graph of the optical machine projector 2.
The further projection carrier 3 is configured as an electronic whiteboard 31 capable of erasing content; the electronic whiteboard 31 is located below the optical machine projector 2, and the projection area of the optical machine projector 2 falls on the electronic whiteboard 31.
The optical-mechanical projector 2 further comprises a base 21 provided with an operation panel 5, a telescopic device 22 and a projection lens box 23; one end of the telescopic device 22 is connected with the base 21; the projection lens box 23 is fixed to the other end of the telescopic device 22.
Further, an illuminating lamp 6 is arranged on the projection lens box 23; the illumination area of the illumination lamp 6 is located on the projection carrier 3.
Compared with the prior art, the invention has the following advantages:
the invention can convert the graph into the outline graph and gradually project the outline graph, and can lead children to independently learn drawing without the assistance of teachers, thereby cultivating the interest of drawing.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a copy projection system of the present invention;
FIG. 2 is a flow chart of graphics processing according to the present invention;
FIG. 3 is a sub-flow diagram of the graphics process of the present invention;
FIG. 4 is a schematic diagram of a distributed slice picture according to the present invention;
FIG. 5 is a sub-flow diagram of the present invention in graphics projection;
FIG. 6 is a schematic diagram of a copying projection system according to the present invention.
The attached drawings are as follows: 1, a mobile phone end; 2 optical machine projector; 3 projecting the carrier; 4, a resource gallery; 5 an operation panel; 6, lighting lamps; 21 a base; 22 a telescoping device; 23 a projection lens box; 31 an electronic whiteboard; 41 step-by-step cutting the graph; slicing; 51 a manual switching button; 52 automatically toggle the button.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1 to 2, an embodiment of the present invention discloses a method for controlling a copying projection system, including: s00, the mobile phone end 1 sends the outline pattern to the optical machine projector 2; and S10, the optical machine projector 2 projects the outline graph onto a projection carrier 3 below the optical machine projector 2, and the outline graph is displayed on the projection carrier 3. The projected outline graph can be used for drawing, tracing calligraphy, learning English, pinyin and Chinese characters and the like. The mobile phone end 1 is connected with the optical machine projector 2 through Bluetooth or WiFi, and the optical machine projector 2 is controlled by the mobile phone end 1. And the polymer lithium battery is arranged in the optical machine projector 2 and can be used in a movable way.
The further optimization of fig. 3 is that before the SOO step, it further includes a step of generating the contour pattern, which is as follows: s01, carrying out graying and binarization processing on the photo of the mobile phone terminal 1 to form a black and white photo; s02, calculating edge pixel points by adopting a contour extraction algorithm; and S03, extracting edge pixel points and generating the contour graph. The pictures such as the pictures png, jpg and jpeg shot or stored by the mobile phone terminal 1 are subjected to graphic transformation processing, finally contour graphics are output, and projection of various material contents can be provided.
Fig. 4 further optimizes the configuration of the optical-mechanical projector 2 with a resource map library 4; the resource gallery 4 is stored with a step-by-step segmentation picture 41 segmented according to the drawing steps; the opto-mechanical projector 2 projects stroke by stroke according to the number of strokes of the step-by-step segmented picture 41. The resource map library 4 is provided with a plurality of step-by-step segmentation pictures 41, and the pictures are divided into drawing steps according to the drawing copying habit, so that learners can follow the drawing steps one by one according to each stroke of the projection display.
Fig. 5 further includes, after step S10, a step of cutting the outline pattern, the step of cutting including: s11: averagely dividing the outline graph into a plurality of graph blocks and generating a picture number; s12 the optical engine projector 2 projects the plurality of graphic blocks block by block according to the picture number. The learner can follow the description step by step according to the content of each graphic block displayed by projection, and the material learning outside the resource gallery 4 is increased. The selectable content is also varied.
The optical machine projector 2 is further provided with an operation panel 5; a manual switching button 51 is arranged on the operation panel 5; clicking a manual switching button 51 on the operation panel 5, and each time clicking the manual switching button 51, the optical-mechanical projector 2 projecting the corresponding step-by-step segmented picture 41 according to the stroke number or projecting the corresponding graphic block by block according to the picture number; the optical machine projector 2 sends the current step-by-step segmentation picture 41 or the current graphic block to the mobile phone terminal 1, and the mobile phone terminal 1 synchronously displays the current step-by-step segmentation picture 41 or the current graphic block in real time. The function of this is to project the next step of graphics for drawing by clicking the manual switch button after finishing the drawing according to the currently projected step-and-segment picture 41 or the outline graphic block. If the step-by-step split picture 41 on the projection carrier 3 in fig. 4 a is the body of a monkey, the learner can figure out the body of the monkey, if the monkey with a foot appears in the step-by-step split picture 41 on the projection carrier 3 in fig. 4B is clicked after the manual switching button 51 is clicked, the learner can figure out the foot of the monkey, and if the manual switching button 51 is clicked again, if the monkey hand appears in the step-by-step split picture 41 on the projection carrier 3 in fig. 4C, the learner can figure out the hand of the monkey. And forming a graph after the finally projected content drawing is completed step by step.
Example 2
This embodiment is the same as embodiment 1 except for the replacement of the control buttons in embodiment 1. The alternative is that the optical machine projector 2 is provided with an operation panel 5; an automatic switching button 52 is arranged on the operation panel 5; clicking an automatic switching button 52 on the operation panel 5, and the optical-mechanical projector 2 automatically projects the step-by-step segmented picture 41 one by one according to the stroke number at regular time or automatically projects the graphic block one by one according to the picture number at regular time; the optical machine projector 2 sends the current step-by-step segmentation picture 41 or the current graphic block to the mobile phone terminal 1, and the mobile phone terminal 1 synchronously displays the current step-by-step segmentation picture 41 or the current graphic block in real time. In this way, as long as the automatic switching button 52 is clicked, the optical-mechanical projector 2 automatically projects the content of the next step according to a specific time interval, and manual operation is avoided for each jump.
Example 3
A copy projection system as shown in fig. 1, a control method for the copy projection system, comprising: the mobile phone comprises a mobile phone end 1, an optical machine projector 2 and a projection carrier 3; the mobile phone terminal 1 is used for controlling a projection graph; the optical projector 2 is used for projecting a contour figure; the projection carrier 3 is used for displaying a projected graph; the mobile phone end 1 communicates with the optical machine projector 2, the mobile phone end 1 controls the optical machine projector 2, and the projection carrier 3 displays the graph projected by the optical machine projector 2. Audio, video, pictures, etc. are delivered 12. home theater as player.
The projection carrier 3 as further described in fig. 6 is configured as an electronic whiteboard 31 capable of erasing content; the electronic whiteboard 31 is located below the optical machine projector 2, and the projection area of the optical machine projector 2 falls on the electronic whiteboard 31. The optical machine projector 2 projects the outline graph onto the electronic whiteboard 31, when the optical machine projector is used, a learner can erase the part with drawing error or the part which is not satisfied and then draw, the electronic whiteboard 31 can be repeatedly used, and the condition that the projected graph cannot be projected onto the electronic whiteboard 31 to influence the projected content due to the blocking of hands during drawing is avoided.
The optical-mechanical projector 2 further comprises a base 21 provided with an operation panel 5, a telescopic device 22 and a projection lens box 23; one end of the telescopic device 22 is connected with the base 21; the projection lens box 23 is fixed to the other end of the telescopic device 22. The telescopic means 22 can be adjusted according to the height at the time of use, the size required for projection. The telescopic device 22 has two states, an extended state and a retracted state. When the projection lens is located at a higher position in the extended state, the projected projection area is larger than that in the contracted state. And 4, putting small-size and large-size pictures in high definition. The telescopic device 22 and the projection lens box 23 are fixed by using a hinge connection, and the projection lens box 23 and the telescopic device 22 rotate by 90-180 degrees. I.e. the extent to which the projection area is selectable to project onto the horizontal plane to the vertical plane.
Further, an illuminating lamp 6 is arranged on the projection lens box 23; the illumination area of the illumination lamp 6 is located on the projection carrier 3. When the optical machine projector 2 is used, the illumination lamp 6 can improve the brightness of the nearby environment, the effect of the projector is improved, the illumination lamp can also be used as a desk lamp independently, and eyes are effectively protected.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A method of controlling a copy projection system, comprising the steps of:
s00, the mobile phone end (1) sends the outline graph to the optical machine projector (2);
and S10, the optical machine projector (2) projects the outline graph onto a projection carrier (3) below the optical machine projector (2), and the outline graph is displayed on the projection carrier.
2. The method of controlling a copy projection system of claim 1, further comprising:
before the SOO step, the method also comprises a generating step of the outline graph, wherein the generating step comprises the following steps:
s01, carrying out graying and binarization processing on the photo of the mobile phone terminal (1) to form a black and white photo;
s02, calculating edge pixel points by adopting a contour extraction algorithm;
and S03, extracting edge pixel points and generating the contour graph.
3. The method of controlling a copy projection system of claim 1, further comprising:
a resource gallery (4) is configured in the optical projector (2);
a step-by-step segmentation picture (41) segmented according to the drawing steps is stored in the resource gallery (4);
and the optical projector (2) projects the pictures one by one according to the stroke number of the step-by-step split pictures (41).
4. The method of controlling a copy projection system of claim 1, further comprising:
after the step of S10, a step of cutting the outline pattern is further included, the step of cutting is as follows:
s11: averagely dividing the outline graph into a plurality of graph blocks and generating a picture number;
s12, the optical projector projects a plurality of the graphic blocks block by block according to the picture numbers.
5. The method for controlling a copying projection system according to claim 3 or 4, wherein:
the optical projector is provided with an operation panel (5);
a manual switching button (51) is arranged on the operation panel (5);
clicking the manual switching button (51) on the operation panel (5), and clicking the manual switching button (51) each time, wherein the optical projector (2) projects the corresponding step-by-step segmentation picture (41) according to the number of strokes or projects the corresponding graph blocks block by block according to the picture number;
the optical projector (2) sends the current step-by-step split picture (41) or the current graphic block to the mobile phone end (1), and the mobile phone end (1) synchronously displays the current step-by-step split picture (41) or the current graphic block in real time.
6. The method for controlling a copying projection system according to claim 3 or 4, wherein:
the optical projector is provided with an operation panel (5);
an automatic switching button (52) is arranged on the operation panel;
clicking an automatic switching button (52) on the operation panel (5), and automatically projecting the step-by-step segmentation picture (41) one by one according to the stroke number at regular time or projecting the graphic block one by one according to the picture number at regular time by the optical projector;
the optical projector (2) sends the current step-by-step split picture (41) or the current graphic block to the mobile phone end (1), and the mobile phone end (1) synchronously displays the current step-by-step split picture (41) or the current graphic block in real time.
7. A copy projection system for use in a method of controlling a copy projection system according to any of claims 1 to 6, comprising: the mobile phone terminal (1), the optical machine projector (2) and the projection carrier (3);
the mobile phone end (1) is used for controlling a projection graph;
the optical projector (2) is used for projecting a contour figure;
the projection carrier (3) is used for displaying a projected graph;
the mobile phone end (1) is communicated with the optical projector (2), the mobile phone end (1) controls the optical projector (2), and the projection carrier (3) displays the projected graph of the optical projector (3).
8. The copy projection system of claim 7, wherein:
the projection carrier (3) is configured as an electronic whiteboard (31) capable of erasing content;
the electronic whiteboard (31) is located below the optical machine projector (2), and a projection area of the optical machine projector (2) falls on the electronic whiteboard (31).
9. The copy projection system of claim 7, wherein:
the optical projector (2) comprises a base (21) provided with an operation panel, a telescopic device (22) and a projection lens box (23);
one end of the telescopic device (22) is connected with the base (21);
the projection lens box (23) is fixed at the other end of the telescopic device (22).
10. The copy projection system of claim 9, wherein:
an illuminating lamp (6) is arranged on the projection lens box (23);
the illumination area of the illumination lamp (6) is located on the projection carrier (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010374659.9A CN111812923A (en) | 2020-05-06 | 2020-05-06 | Control method of copying projection system and projection system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010374659.9A CN111812923A (en) | 2020-05-06 | 2020-05-06 | Control method of copying projection system and projection system thereof |
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| CN111812923A true CN111812923A (en) | 2020-10-23 |
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| CN202010374659.9A Pending CN111812923A (en) | 2020-05-06 | 2020-05-06 | Control method of copying projection system and projection system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113119649A (en) * | 2021-03-02 | 2021-07-16 | 王静 | Special paper for knife painting for assisting painting and auxiliary device thereof |
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| CN102096283A (en) * | 2010-12-31 | 2011-06-15 | 深圳展景世纪科技有限公司 | Orthographic projection device used for copying copybook |
| CN106781715A (en) * | 2017-01-18 | 2017-05-31 | 杭州阿优智能科技有限公司 | Graphic plotting aimings drill device |
| CN106846972A (en) * | 2017-01-18 | 2017-06-13 | 杭州阿优智能科技有限公司 | Graphic plotting training method and device |
| CN110659644A (en) * | 2019-06-26 | 2020-01-07 | 西安理工大学 | Automatic extraction method for strokes of calligraphy single characters |
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2020
- 2020-05-06 CN CN202010374659.9A patent/CN111812923A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096283A (en) * | 2010-12-31 | 2011-06-15 | 深圳展景世纪科技有限公司 | Orthographic projection device used for copying copybook |
| CN106781715A (en) * | 2017-01-18 | 2017-05-31 | 杭州阿优智能科技有限公司 | Graphic plotting aimings drill device |
| CN106846972A (en) * | 2017-01-18 | 2017-06-13 | 杭州阿优智能科技有限公司 | Graphic plotting training method and device |
| CN110659644A (en) * | 2019-06-26 | 2020-01-07 | 西安理工大学 | Automatic extraction method for strokes of calligraphy single characters |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113119649A (en) * | 2021-03-02 | 2021-07-16 | 王静 | Special paper for knife painting for assisting painting and auxiliary device thereof |
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Application publication date: 20201023 |