CN109756765A - A kind of intelligent control method based on portable translucent equipment - Google Patents
A kind of intelligent control method based on portable translucent equipment Download PDFInfo
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- CN109756765A CN109756765A CN201811564227.3A CN201811564227A CN109756765A CN 109756765 A CN109756765 A CN 109756765A CN 201811564227 A CN201811564227 A CN 201811564227A CN 109756765 A CN109756765 A CN 109756765A
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- view field
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Abstract
The invention discloses a kind of intelligent control methods based on portable translucent equipment, comprising: connects projection device and by projection device into view field's projection process in playback terminal, whether detect in view field has the shadow；When detecting has the shadow in view field, obtains shadow area and count the duration for having the shadow in view field；Judge whether view field is blocked according to the duration for having the shadow in shadow area and view field；When judging that view field is blocked, control playback terminal is played back, so, the shadow area and the duration of the shadow occur that real-time monitoring view field occurs to judge whether view field is blocked, and then control playback terminal and play back to the content being blocked, and/or, prompting message is issued Xiang the playback terminal that spokesman operates, and then spokesman is reminded to be played back manually, facilitates spectators that can see the project content being blocked again.
Description
Technical field
The present invention relates to projection control technology field more particularly to a kind of intelligent control sides based on portable translucent equipment
Method.
Background technique
Portable translucent equipment can manufacture the projected picture bigger than conventional liquid crystal, therefore since its is easy to carry
It is widely used in various occasions.Portable translucent equipment mainly includes projector, is generally put on the table, projection to metope
Or it is used on projection screen.
In actual projection process, when thering is spectators or staff to pass through before view field's (metope, projection screen)
Or Sojourn times can generate shadow in view field, will affect spectators to project content since the body of people has blocked projection light
Viewing, or even some important contents can be missed, thus it is subsequent can not correct understanding spokesman expression the meaning, meanwhile, hair
Speech people may watch oneself playback equipment, can not understand the case where project content is blocked in time, and then can not be to being blocked
Project content carry out repeat explanation, seriously affect the effect of meeting or speech.
Summary of the invention
Technical problems based on background technology, the intelligence control based on portable translucent equipment that the invention proposes a kind of
Method processed；
A kind of intelligent control method based on portable translucent equipment proposed by the present invention, comprising:
Projection device is connected and by projection device into view field's projection process in playback terminal, detects view field
Inside whether there is the shadow；
When detecting has the shadow in view field, obtains shadow area and count the duration for having the shadow in view field；
Judge whether view field is blocked according to the duration for having the shadow in shadow area and view field；
When judging that view field is blocked, control playback terminal is played back.
Preferably, whether there is the shadow in the survey view field, specifically include:
Obtain the image of view field；
Obtain the rgb value of each pixel in the image of view field；
The quantity that the rgb value of each pixel is fallen into preset shadow rgb value section in the image of view field is big
When preset first amount threshold, determining has the shadow in view field.
Preferably, the acquisition shadow area and the duration for having the shadow in view field is counted, specifically included:
The rgb value for counting each pixel in the image of view field falls into the quantity in preset shadow rgb value section
T determines shadow area according to T；
There is the shadow to start timing determining in view field, have no shadows in view field and stop timing, obtains projected area
There is the duration of the shadow in domain.
Preferably, the control playback terminal is played back, and is specifically included:
When video is currently played in playback terminal, control playback terminal will be currently played video and play back Q forward
Time, Q indicate the duration for having the shadow in view field.
Preferably, the control playback terminal is played back, and is specifically included:
When playback terminal does not currently play video, playback prompting message is sent to the user of operation playback terminal, it is described
It include the duration for having the shadow in view field in prompting message.
Preferably, described to judge whether view field is hidden according to the duration for having the shadow in shadow area and view field
Gear, specifically includes:
It is greater than preset area threshold in shadow area, and having the duration of the shadow in view field is more than preset duration threshold
When value, judge that view field is blocked.
The present invention is by connecting projection device and by projection device into view field's projection process in playback terminal, inspection
Whether have the shadow, when detecting has the shadow in view field, obtain shadow area and count view field if surveying in view field
Inside there is the duration of the shadow, judges whether view field is blocked according to the duration for having the shadow in shadow area and view field,
When judging that view field is blocked, control playback terminal is played back, in this way, the shadow area that real-time monitoring view field occurs
With there is the duration of the shadow, to judge whether view field is blocked, and then control playback terminal and the content that is blocked carried out
Playback, and/or, to spokesman operate playback terminal (computer, tablet computer) issue prompting message, and then remind spokesman into
Row playback manually, facilitates spectators that can see the project content being blocked again, the meaning for allowing spectators energy correct understanding spokesman to express
Think, improves the usage experience of spectators and spokesman.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the intelligent control method based on portable translucent equipment proposed by the present invention.
Specific embodiment
Referring to Fig.1, a kind of intelligent control method based on portable translucent equipment proposed by the present invention, comprising:
Projection device is connected and by projection device into view field's projection process in playback terminal, detects view field
Inside whether there is the shadow.
In this step, whether survey has the shadow in view field include: the image for obtaining view field；Obtain view field
The rgb value of each pixel in image；The rgb value of each pixel falls into preset shadow RGB in the image of view field
When being worth the quantity in section greater than preset first amount threshold, determining has the shadow in view field.
In concrete scheme, when thering is spectators or staff to pass through or stay before view field's (metope, projection screen)
When, since the body of people has blocked projection light, shadow can be generated in view field, the rgb value of shadow is in normal projection's content
Rgb value have difference, preset shadow rgb value section, obtain view field image after, obtain in the image of view field
The rgb value of each pixel is fallen into shadow rgb value section according to the rgb value of pixel each in the image of view field
Quantity determines whether there is the shadow in view field, that is, determines whether that someone passes through or stays before view field.
When detecting has the shadow in view field, obtains shadow area and count the duration for having the shadow in view field.
In this step, obtaining shadow area and counting to have the duration of the shadow in view field includes: statistics view field
The rgb value of each pixel falls into the quantity T in preset shadow rgb value section in image, determines shadow area according to T；?
Determining in view field has the shadow to start timing, has no shadows in view field and stops timing, obtains having the shadow in view field
Duration.
In concrete scheme, after the image for obtaining view field, the RGB of each pixel in the image of view field is obtained
Value, falls into the quantity in shadow rgb value section according to the rgb value of pixel each in the image of view field, to determine the shadow
Area, and count the duration that the shadow is passed through or stayed in view field.
Judge whether view field is blocked according to the duration for having the shadow in shadow area and view field.
This step specifically includes: being greater than preset area threshold in shadow area, and there is the duration of the shadow in view field
When more than preset duration threshold value, judge that view field is blocked.
In concrete scheme, it is greater than area threshold in shadow area, and having the duration of the shadow in view field is more than duration
When threshold value, illustrates that view field's large area is blocked, and the time blocked is longer, there is a large amount of project content to be hidden for a long time
Gear, at this point, determining that view field is blocked by the shadow, i.e. the project content of view field is blocked by the shadow.
When judging that view field is blocked, control playback terminal is played back.
In this step, control playback terminal is played back, and is specifically included: when video is currently played in playback terminal,
Control playback terminal will be currently played video and play back the Q time forward, and Q indicates the duration for having the shadow in view field, or,
It when playback terminal does not play video currently, is sent to the user of operation playback terminal and plays back prompting message, in the prompting message
Including there is the duration of the shadow in view field.
In concrete scheme, when determining that view field is blocked by the shadow, if video is currently played in playback terminal, this
When, directly control playback terminal video will be currently played and play back forward, and play back when a length of view field in have the shadow
Duration, i.e., played back since when view field is blocked by the shadow；If playback terminal is currently without video is played, such as: exhibition
When showing PPT, picture, text, the playback terminal (computer, tablet computer) operated to spokesman issues prompting message, and then reminds
Spokesman is played back manually, facilitates spectators that can see the project content being blocked again.
Present embodiment is by connecting projection device in playback terminal and passing through projection device to view field's projection process
In, whether have the shadow, when detecting has the shadow in view field, obtain shadow area and count projection if detecting in view field
There is the duration of the shadow in region, judges whether view field is hidden according to the duration for having the shadow in shadow area and view field
Gear, when judging that view field is blocked, control playback terminal is played back, in this way, the people that real-time monitoring view field occurs
Shadow area and there is the duration of the shadow, to judge whether view field is blocked, and then control playback terminal to being blocked in
Appearance is played back, and/or, the playback terminal (computer, tablet computer) operated to spokesman issues prompting message, and then reminds hair
Speech people is played back manually, facilitates spectators that can see the project content being blocked again, allows spectators can correct understanding spokesman's table
The meaning reached improves the usage experience of spectators and spokesman.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of intelligent control method based on portable translucent equipment characterized by comprising
Projection device is connected and by projection device into view field's projection process in playback terminal, and detecting in view field is
It is no to have the shadow；
When detecting has the shadow in view field, obtains shadow area and count the duration for having the shadow in view field；
Judge whether view field is blocked according to the duration for having the shadow in shadow area and view field；
When judging that view field is blocked, control playback terminal is played back.
2. the intelligent control method according to claim 1 based on portable translucent equipment, which is characterized in that the survey is thrown
Whether there is the shadow in the domain of shadow zone, specifically include:
Obtain the image of view field；
Obtain the rgb value of each pixel in the image of view field；
The rgb value of each pixel falls into the quantity in preset shadow rgb value section and is greater than in advance in the image of view field
If the first amount threshold when, determining has the shadow in view field.
3. the intelligent control method according to claim 2 based on portable translucent equipment, which is characterized in that the acquisition
Shadow area simultaneously counts the duration for having the shadow in view field, specifically includes:
The rgb value for counting each pixel in the image of view field falls into the quantity T in preset shadow rgb value section, root
Shadow area is determined according to T；
There is the shadow to start timing determining in view field, have no shadows in view field and stop timing, obtains in view field
There is the duration of the shadow.
4. the intelligent control method according to claim 3 based on portable translucent equipment, which is characterized in that the control
Playback terminal is played back, and is specifically included:
When video is currently played in playback terminal, control playback terminal will be currently played video and play back the Q time forward,
Q indicates the duration for having the shadow in view field.
5. the intelligent control method according to claim 3 based on portable translucent equipment, which is characterized in that the control
Playback terminal is played back, and is specifically included:
When playback terminal does not currently play video, playback prompting message, the message are sent to the user of operation playback terminal
It include the duration for having the shadow in view field in prompting.
6. the intelligent control method according to claim 1 based on portable translucent equipment, which is characterized in that the basis
There is the duration of the shadow to judge whether view field is blocked in shadow area and view field, specifically include:
It is greater than preset area threshold in shadow area, and having the duration of the shadow in view field is more than preset duration threshold value
When, judge that view field is blocked.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811564227.3A CN109756765B (en) | 2018-12-20 | 2018-12-20 | Intelligent control method based on portable projection equipment |
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| CN201811564227.3A CN109756765B (en) | 2018-12-20 | 2018-12-20 | Intelligent control method based on portable projection equipment |
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| CN109756765B CN109756765B (en) | 2021-01-29 |
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| CN112382152A (en) * | 2020-11-26 | 2021-02-19 | 中国人民解放军陆军军医大学第一附属医院 | Intelligent teaching auxiliary system |
| CN112969059A (en) * | 2021-04-22 | 2021-06-15 | 深圳市远古科技有限公司 | Projector and system for accurately identifying shielding and starting protection |
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| CN109756765B (en) | 2021-01-29 |
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