CN115361537B - Time sequence two-piece projection system - Google Patents

Time sequence two-piece projection system Download PDF

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CN115361537B
CN115361537B CN202210911684.5A CN202210911684A CN115361537B CN 115361537 B CN115361537 B CN 115361537B CN 202210911684 A CN202210911684 A CN 202210911684A CN 115361537 B CN115361537 B CN 115361537B
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projection
time
data packet
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power data
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CN115361537A (en
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请求不公布姓名
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Shenzhen Kejinming Electronic Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Transforming Electric Information Into Light Information (AREA)

Abstract

The invention discloses a time sequence two-piece type projection system, relates to the technical field of time sequence projection, and solves the technical problem that the projection system is always in the same power running state and does not adjust the power parameters of the projection system according to the operation modes and operation habits of different people; according to the path of the projection intersection and the preset center point and the path distance parameter, the projection equipment is adjusted to enable the picture image projected by the projection equipment to be matched with the corresponding preset center point, so that the optimal projection effect is achieved; the power data of the projection equipment can be adjusted by acquiring the operation frequency parameters obtained through processing and extracting the corresponding power data packet and adjusting the parameter data of the projection equipment according to the extracted power data packet, so that the effect of energy conservation is achieved, and meanwhile, the projection picture of the projection equipment is not influenced, and the lecture of an operator or other reporting work is not influenced.

Description

Time sequence two-piece projection system
Technical Field
The invention belongs to the technical field of time sequence projection, and particularly relates to a time sequence two-piece type projection system.
Background
The time sequence projection is to project the corresponding projection pictures according to the time sequence, and the two-piece projection is to form a two-projection-surface system by two mutually perpendicular projection surfaces;
the invention of patent publication number CN109298542A relates to the technical field of optical imaging, in particular to a time sequence three-dimensional projection display system. The time sequence three-dimensional projection display system comprises an ellipsoidal imaging curved surface, a variable-focus optical imaging device, a plane reflecting element and a rotating mechanism. The variable-focus optical imaging device sequentially outputs at least two image light beams of an image to be displayed, the rotating mechanism rotates the plane reflecting element, so that each beam of scanning image light beam output by the variable-focus optical imaging device is reflected to different imaging areas of an ellipsoidal imaging curved surface by the plane reflecting element, then reflected and converged by the different imaging areas to form a sub-image to be displayed, and the sub-image to be displayed formed on human eyes can be spliced into the image to be displayed visually by a user by utilizing a vision residual effect. The resolution of each sub-image to be displayed may be the same as and equal to the resolution of the image to be displayed, so the time-series three-dimensional projection display system improves the image resolution.
When a time sequence two-piece projection system is operated specifically, the following defects still exist and need to be changed:
when the projection system controls the projection equipment to project, the preliminarily projected picture deviates from the corresponding projection screen area, so that the definition of part of the projected picture is not high, the adjustment is needed, and the manual adjustment mode is low in precision;
the projection system is always in the same power running state, the power parameters of the projection system are not regulated according to the operation modes and operation habits of different people, the power consumption is reduced, and the energy-saving effect is achieved.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art; therefore, the invention provides a time sequence two-piece type projection system, which is used for solving the technical problem that the projection system is always in the same power running state and the power parameters of the projection system are not regulated according to the operation modes and operation habits of different people.
To achieve the above object, an embodiment according to a first aspect of the present invention provides a time-series two-piece projection system, including:
the projection data acquisition end acquires a projection preliminary picture image of the projection equipment and transmits the acquired picture image to the processing center;
the numerical parameter acquisition end acquires parameter data of the running projection equipment, wherein the parameter data comprises an operation time point and operation times, and the acquired parameter data is transmitted into the processing center
The processing center comprises a projection center confirmation end, a real-time parameter processing end, a regulation terminal, a habit processing end and a database;
the projection center confirming end receives the picture image, compares the picture image with a preset coordinate template in the picture image, and changes a projection cross point of the projection equipment according to a comparison processing result;
the real-time parameter processing end in the processing center receives the parameter data, acquires the control frequency parameters of the projection equipment according to the acquired parameter data, and adjusts the power consumption of the projection equipment according to the acquired control frequency parameters.
Preferably, the method for comparing the projection center confirmation end is as follows:
s1, obtaining coordinate points of peripheral corners of a picture image through a coordinate template, namely A, B, C and D, and directly extracting A, B, C coordinate values and D coordinate values from the coordinate template, namely A (Xa, ya), B (Xb, yb), C (Xc, yc) and D (Xd, yd);
s2, extracting the corner points AC to obtain an AC connecting line primary equation of Y=KX+N, extracting the corner points BD to obtain a BD connecting line primary equation of Y=PX+M, obtaining an intersection JC through two primary equations KX+N=PX+M, and obtaining intersection coordinates (Xj, yj) of the intersection JC;
s3, extracting the preset center point YS (Xs, YS) stored in the memory, obtaining the path from the preset center point YS to the crossing point JC, marking the path as the path to be processed, and passing throughObtaining a path distance parameter JL;
s4, acquiring a travel direction according to a travel path to be processed, generating a reverse direction according to the travel direction, conveying the reverse direction and the travel distance parameter JL into a regulating terminal, controlling the projection probe by the regulating terminal, enabling the projection point to move in the reverse direction, and moving the travel distance parameter JL in the coordinate template.
Preferably, the database includes two sets of point values and three sets of corresponding power data packets, the two sets of point values are K1 and K2 respectively, K1 is smaller than K2, and the three sets of corresponding power data packets are super power data packets, high power data packets and low power data packets respectively.
Preferably, the mode of the real-time parameter processing terminal for adjusting the power consumption of the projection device is as follows:
taking the current time as the calibration time and starting the device until the starting timeAt 5min, collecting parameter data once, acquiring a plurality of interval time periods from the operation time point, and marking the interval time periods as JG i Wherein i represents different interval periods, i=1, 2, … …, n, and the operation times are marked as i+1, each operation time being separated by a corresponding interval period;
multiple groups of interval time periods JG i Performing mean processing to obtain an interval period mean JGJ;
by usingObtaining a control frequency parameter PC;
when PC is less than or equal to K1, extracting a low-power data packet, and conveying the low-power data packet into the regulation terminal;
when K1 is more than PC and less than K2, extracting a high-power data packet, and transmitting the high-power data packet into the regulation terminal;
and when K2 is less than or equal to PC, extracting the super-power data packet, and conveying the super-power data packet into the regulation terminal.
Preferably, the regulation terminal changes the projector equipment parameters according to the data packet data sent by the real-time parameter processing terminal;
when the low-power data packet is received, extracting brightness data LD1 and time data T1 in the low-power data packet, so that the projector device changes the brightness to LD1 after the operation stops for T1 time;
when the high-power data packet is received, extracting brightness data LD2 and time data T2 in the super-power data packet, so that the projector equipment changes the brightness to LD2 after the operation stops for T2 time;
when the super power data packet is received, extracting brightness data LD3 and time data T3 in the super power data packet, so that the projector equipment changes the brightness to LD3 after the operation stops for T3 time;
wherein T1 is less than T2 and less than T3, LD1 is less than LD2 and less than LD3.
Preferably, the habit processing end obtains at least more than W control frequency parameters PC and interval time period mean value JGJ according to the login ID of the corresponding person, processes such parameter data to obtain and match the corresponding habit data packet, and directly adopts the corresponding habit data packet to control the projection device when the corresponding person uses the login ID to log in, and the processing mode is as follows:
carrying out average value processing on a plurality of groups of control frequency parameters PC to obtain a control frequency parameter average value PCJ;
carrying out mean processing on the time period mean JGJ to obtain a to-be-processed mean DCL;
habit values XG were obtained using xg=0.543×pcj+0.457×dcl;
and comparing the XG value with two groups of point values K1 and K2 in the database, matching the corresponding data packet, marking the matched data packet as a habit data packet of a corresponding person, and directly extracting parameter data of the habit data packet after the corresponding person logs in to control the projection equipment.
Compared with the prior art, the invention has the beneficial effects that: when the projection equipment is started, obtaining a picture image projected by the projection equipment, matching according to a coordinate template corresponding to the picture image, determining a corresponding cross point, and adjusting the projection equipment according to a path of travel of the cross point and a preset center point and a path distance parameter, so that the picture image projected by the projection equipment is matched with the corresponding preset center point, and the optimal projection effect is achieved;
and then, the operation times of operators and the interval time are acquired and processed to obtain corresponding operation frequency parameters, the operation frequency parameters are compared with the internal point values of the database, corresponding power data packets are extracted, the parameter data of the projection equipment are adjusted according to the extracted power data packets, the power data of the projection equipment can be adjusted, the effect of saving energy is achieved, meanwhile, the projection picture of the projection equipment is not influenced, and the lecture or other reporting work of the operators is not influenced.
Drawings
Fig. 1 is a schematic diagram of a principle frame of the present invention.
Description of the embodiments
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1, the present application provides a time-series two-piece projection system, which includes a numerical parameter obtaining end, a projection data obtaining end, and a processing center;
the data parameter acquisition end and the projection data acquisition end are electrically connected with the input end of the processing center;
the processing center comprises a projection center confirmation end, a real-time parameter processing end, a regulation terminal, a habit processing end and a database;
the output end of the projection center confirmation end and the output end of the real-time parameter processing end are electrically connected with the input end of the regulation terminal, the output end of the real-time parameter processing end is electrically connected with the input end of the habit processing end, the output end of the habit processing end is electrically connected with the input end of the database, and the regulation terminal is in bidirectional connection with the database;
the projection data acquisition end acquires a projection preliminary picture image of the projection equipment in the opening process of the projection equipment and transmits the acquired picture image to the processing center;
the projection center confirmation end in the processing center receives the picture image, compares the picture image with a preset coordinate template in the processing center, changes the projection intersection point of the projection equipment according to the comparison result to achieve the optimal projection effect, wherein the comparison process comprises the following steps:
s1, obtaining coordinate points of peripheral corners of a picture image through a coordinate template, namely A, B, C and D, and directly extracting A, B, C coordinate values and D coordinate values from the coordinate template, namely A (Xa, ya), B (Xb, yb), C (Xc, yc) and D (Xd, yd);
s2, extracting a corner point AC, connecting the AC to obtain an AC connecting line once equation of Y=KX+N, extracting a corner point BD, connecting the BD to obtain a BD connecting line once equation of Y=PX+M, obtaining an intersection JC through two primary formulas of KX+N=PX+M, and obtaining the intersection coordinate (Xj, yj) of the intersection JC;
s3, extracting the preset center point YS (Xs, YS) stored in the memory, obtaining the path from the preset center point YS to the crossing point JC, marking the path as the path to be processed, and passing throughObtaining a path distance parameter JL;
s4, acquiring a travel direction according to a travel path to be processed, generating a reverse direction according to the travel direction, conveying the reverse direction and the travel distance parameter JL into a regulating terminal, controlling the projection probe by the regulating terminal, enabling the projection point to move in the reverse direction, and moving the travel distance parameter JL in the coordinate template.
When the projection device performs normal projection, the corresponding projection picture and the corresponding projection area have deviation, and the adjustment is needed by people, and the preset center point YS is the center point corresponding to the external projection area.
The database comprises two groups of point values and three groups of corresponding power data packets, wherein the two groups of point values are K1 and K2 respectively, K1 is smaller than K2, and the three groups of corresponding power data packets are respectively super-power data packets, high-power data packets and low-power data packets;
the system comprises a numerical parameter acquisition end, a real-time parameter processing end and a power consumption control end, wherein the numerical parameter acquisition end acquires parameter data of running projection equipment, the parameter data comprise an operation time point and operation times, the acquired parameter data are transmitted into the real-time parameter processing end, the real-time parameter processing end acquires control frequency parameters of the projection equipment according to the acquired parameter data, and adjusts the power consumption of the projection equipment according to the acquired control frequency parameters, and the specific processing mode is as follows:
taking the current time as a calibration time, and when the starting time is 5min, carrying out parameter dataAcquiring a plurality of interval time periods from an operation time point at one time, and marking the interval time periods as JG i Wherein i represents different interval periods, i=1, 2, … …, n, and the operation times are marked as i+1, each operation time being separated by a corresponding interval period;
multiple groups of interval time periods JG i Performing mean processing to obtain an interval period mean JGJ;
by usingObtaining a control frequency parameter PC;
when PC is less than or equal to K1, extracting a low-power data packet, and conveying the low-power data packet into the regulation terminal;
when K1 is more than PC and less than K2, extracting a high-power data packet, and transmitting the high-power data packet into the regulation terminal;
when K2 is less than or equal to PC, extracting the super-power data packet, and transmitting the super-power data packet into the regulation terminal;
the regulation and control terminal changes corresponding projector equipment parameters according to the data packet data sent by the real-time parameter processing terminal, so that the power consumption is reduced, and the heating value is reduced;
when the low power data packet is received, extracting luminance data LD1 and time data T1 inside the low power data packet, so that the projector device changes the luminance to LD1 after the operation stops for T1 time;
when the high-power data packet is received, extracting brightness data LD2 and time data T2 in the super-power data packet, so that the projector equipment changes the brightness to LD2 after the operation stops for T2 time;
when the super power data packet is received, extracting brightness data LD3 and time data T3 in the super power data packet, so that the projector equipment changes the brightness to LD3 after the operation stops for T3 time;
wherein T1 is less than T2 and less than T3, LD1 is less than LD2 and less than LD3.
The following power data packet is determined through the interval time period and the operation times, as the operation times are more, the smaller the average value of the interval time period is, the larger the control frequency parameter is, conversely, the lower the operation times are, the larger the average value of the interval time period is, the smaller the control frequency parameter is, when the control frequency parameter is larger, the use frequency of the projection device is high (which can be understood as a PPT interface, and the PPT interface is quickly replaced by an external person when the presentation is performed or other conditions are performed), when the control frequency parameter is smaller, the use frequency of the projection device is low (which is exemplified by the presentation, and part of personnel like to take off manuscripts), the PPT is probably too simple, and most of the PPT is the presentation content, and when the use frequency of the projection device is lower, the projection device adopts parameters in the low power data packet to operate, so that the power consumption is reduced, and when the part of personnel like to report the presentation according to the content of the PPT, the use frequency of the projection device is higher, the use frequency of the projection device adopts the high power data packet or the parameters in the PPT packet to operate clearly, and the PPT can be seen by the personnel in the platform;
the habit processing end obtains at least more than 5 times of control frequency parameters PC and interval time period mean JGJ according to the login ID of the corresponding personnel, processes and obtains and matches the habit data packet corresponding to the parameter data, and directly controls the projection equipment by adopting the habit data packet corresponding to the login ID when the corresponding personnel adopt the login ID to login, and the processing mode is as follows:
carrying out average value processing on a plurality of groups of control frequency parameters PC to obtain a control frequency parameter average value PCJ;
carrying out mean processing on the time period mean JGJ to obtain a to-be-processed mean DCL;
habit values XG were obtained using xg=0.543×pcj+0.457×dcl;
and comparing the XG value with two groups of point values K1 and K2 in the database, matching the corresponding data packet, marking the matched data packet as a habit data packet of a corresponding person, and directly extracting parameter data of the habit data packet after the corresponding person logs in to control the projection equipment.
Examples
In the implementation process, compared with the first embodiment, the specific difference is that when the real-time parameter processing end processes data, the parameter data is collected once in the opening time to 7min, and the habit processing end obtains the control frequency parameter PC and the interval time period mean value JGJ for at least 10 times according to the login ID of the corresponding person.
The first embodiment and the second embodiment are randomly scattered in the experimental experience for half a year, and sample data is obtained, wherein the sample data comprises an evaluation score and energy consumption parameters of a projection device, and the sample data of different embodiments are shown in the following table:
as can be seen from the data in the table, the sample data of the second embodiment is superior to the sample data of the first embodiment, and the manager can determine the appropriate preferred embodiment according to the need.
The partial data in the formula are all obtained by removing dimension and taking the numerical value for calculation, and the formula is a formula closest to the real situation obtained by simulating a large amount of collected data through software; the preset parameters and the preset threshold values in the formula are set by those skilled in the art according to actual conditions or are obtained through mass data simulation.
The working principle of the invention is as follows: when the projection equipment is started, obtaining a picture image projected by the projection equipment, matching according to a coordinate template corresponding to the picture image, determining a corresponding cross point, and adjusting the projection equipment according to a path of travel of the cross point and a preset center point and a path distance parameter, so that the picture image projected by the projection equipment is matched with the corresponding preset center point, and the optimal projection effect is achieved;
and then, the operation times of operators and the interval time are acquired and processed to obtain corresponding operation frequency parameters, the operation frequency parameters are compared with the internal point values of the database, corresponding power data packets are extracted, the parameter data of the projection equipment are adjusted according to the extracted power data packets, the power data of the projection equipment can be adjusted, the effect of saving energy is achieved, meanwhile, the projection picture of the projection equipment is not influenced, and the lecture or other reporting work of the operators is not influenced.
The above embodiments are only for illustrating the technical method of the present invention and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present invention may be modified or substituted without departing from the spirit and scope of the technical method of the present invention.

Claims (5)

1. A time sequential two-piece projection system, comprising:
the projection data acquisition end acquires a projection preliminary picture image of the projection equipment and transmits the acquired picture image to the processing center;
the numerical parameter acquisition end acquires parameter data of the running projection equipment, wherein the parameter data comprises an operation time point and operation times, and the acquired parameter data is transmitted into the processing center
The processing center comprises a projection center confirmation end, a real-time parameter processing end, a regulation terminal, a habit processing end and a database;
the projection center confirming end receives the picture image, compares the picture image with a preset coordinate template in the picture image, and changes a projection cross point of the projection equipment according to a comparison processing result;
the mode of the projection center confirmation end for comparison processing is as follows:
s1, obtaining coordinate points of peripheral corners of a picture image through a coordinate template, namely A, B, C and D, and directly extracting A, B, C coordinate values and D coordinate values from the coordinate template, namely A (Xa, ya), B (Xb, yb), C (Xc, yc) and D (Xd, yd);
s2, extracting the corner points AC to obtain an AC connecting line primary equation of Y=KX+N, extracting the corner points BD to obtain a BD connecting line primary equation of Y=PX+M, obtaining an intersection JC through two primary equations KX+N=PX+M, and obtaining intersection coordinates (Xj, yj) of the intersection JC;
s3, extracting the preset center point YS (Xs, YS) stored in the memory to obtain the preset center point YS to the crossing point JCAnd marking the path as the path to be processed, passingObtaining a path distance parameter JL;
s4, acquiring a travel direction according to a travel path to be processed, generating a reverse direction according to the travel direction, conveying the reverse direction and a travel distance parameter JL into a regulating terminal, controlling a projection probe by the regulating terminal, moving a projection point in the reverse direction, and moving the travel distance parameter JL in a coordinate template;
the real-time parameter processing end in the processing center receives the parameter data, acquires the control frequency parameters of the projection equipment according to the acquired parameter data, and adjusts the power consumption of the projection equipment according to the acquired control frequency parameters.
2. The two-chip time-series projection system of claim 1, wherein the database comprises two sets of point values and three sets of corresponding power data packets, the two sets of point values are K1 and K2 respectively, K1 is less than K2, and the three sets of corresponding power data packets are super power data packets, high power data packets and low power data packets respectively.
3. The time-series two-chip projection system according to claim 2, wherein the real-time parameter processing end adjusts the power consumption of the projection device in the following manner:
taking the current time as the calibration time, collecting parameter data once when the starting time is 5min, acquiring a plurality of interval time periods from the operation time point, and marking the interval time periods as JG i Wherein i represents different interval periods, i=1, 2, … …, n, and the operation times are marked as i+1, each operation time being separated by a corresponding interval period;
multiple groups of interval time periods JG i Performing mean processing to obtain an interval period mean JGJ;
by usingObtaining a control frequency parameter PC;
when PC is less than or equal to K1, extracting a low-power data packet, and conveying the low-power data packet into the regulation terminal;
when K1 is more than PC and less than K2, extracting a high-power data packet, and transmitting the high-power data packet into the regulation terminal;
and when K2 is less than or equal to PC, extracting the super-power data packet, and conveying the super-power data packet into the regulation terminal.
4. A time-series two-sheet projection system according to claim 3, wherein the control terminal changes projector equipment parameters according to the data packet data sent by the real-time parameter processing terminal;
when the low-power data packet is received, extracting brightness data LD1 and time data T1 in the low-power data packet, so that the projector device changes the brightness to LD1 after the operation stops for T1 time;
when the high-power data packet is received, extracting brightness data LD2 and time data T2 in the super-power data packet, so that the projector equipment changes the brightness to LD2 after the operation stops for T2 time;
when the super power data packet is received, extracting brightness data LD3 and time data T3 in the super power data packet, so that the projector equipment changes the brightness to LD3 after the operation stops for T3 time;
wherein T1 is less than T2 and less than T3, LD1 is less than LD2 and less than LD3.
5. The time-series two-sheet projection system of claim 4, wherein the habit processing end obtains at least more than W control frequency parameters PC and interval time period mean JGJ according to the login ID of the corresponding person, processes such parameter data to obtain and match the corresponding habit data packet, and directly adopts the corresponding habit data packet to control the projection device when the habit data packet and the corresponding login ID are used for login by the corresponding person, and the processing manner is as follows:
carrying out average value processing on a plurality of groups of control frequency parameters PC to obtain a control frequency parameter average value PCJ;
carrying out mean processing on the time period mean JGJ to obtain a to-be-processed mean DCL;
habit values XG were obtained using xg=0.543×pcj+0.457×dcl;
and comparing the XG value with two groups of point values K1 and K2 in the database, matching the corresponding data packet, marking the matched data packet as a habit data packet of a corresponding person, and directly extracting parameter data of the habit data packet after the corresponding person logs in to control the projection equipment.
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