CN114945086A - Single forward-pitching screen vision field expanding method and system based on curved reflector - Google Patents
Single forward-pitching screen vision field expanding method and system based on curved reflector Download PDFInfo
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- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
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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
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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
- H04N9/315—Modulator illumination systems
- H04N9/3152—Modulator illumination systems for shaping the light beam
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- H—ELECTRICITY
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- 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
- H04N9/315—Modulator illumination systems
- H04N9/3155—Modulator illumination systems for controlling the light source
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- 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]
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Abstract
The invention provides a method and a system for expanding the view field of a single forward pitching ball screen based on a curved reflector, which relate to the field of forward pitching ball screens, and comprise the following steps: acquiring projection file information of a single forward projection screen which is required to be projected currently; performing simulated projection on the projection file information by adopting a light path double-reflection device and a projection device, and acquiring simulated light path information; obtaining simulated projection visual field information according to the simulated light path information; setting a projection view information threshold based on the projection file information; analyzing and judging whether the simulated projection visual field information meets the projection visual field information threshold value or not, and obtaining an analysis result; adjusting the light path double-reflection device and the projection device according to the analysis result to obtain the adjusted light path double-reflection device and the projection device; and projecting the projection file information by adopting the adjusted light path double-reflection device and the projection device. The invention solves the problem of small sight of the single forward pitching screen in the prior art, and achieves the technical effect of improving the sight of the single forward pitching screen.
Description
Technical Field
The invention relates to the technical field of a positive pitching screen, in particular to a single positive pitching screen vision field expanding method and system based on a curved reflector.
Background
The dome screen is a projection display technology which is emerging in recent years, performs projection through a spherical projection screen, can obtain projection viewing experience with a large time domain and high immersion, and is widely applied to the fields of entertainment, video watching, science popularization and the like.
The single positive pitching curtain projects to the spherical curtain through the direction of the user, the projection is not influenced by the user, and the time domain and the image quality are ensured, so that better projection viewing experience is provided.
In the prior art, the projection visual field and the image quality are difficult to meet in a single forward projection ball screen, a projection light path needs to be adjusted for multiple times, the adjustment efficiency is low, and the problem that the visual field of the single forward projection ball screen is small exists.
Disclosure of Invention
The application provides a method and a system for expanding the vision field of a single forward pitching screen based on a curved reflector, which are used for solving the problems that the projection vision field and the image quality are difficult to satisfy in the forward pitching screen of people in the prior art, the projection light path needs to be adjusted for many times, the adjustment efficiency is lower, and the vision field of the single forward pitching screen is smaller.
In view of the above problems, the present application provides a method and a system for enlarging the field of view of a single forward pitching screen based on a curved reflector.
In a first aspect of the present application, a method for expanding a single positive pitching screen vision based on a curved reflector is provided, the method employs a single positive pitching screen vision expanding system based on a curved reflector, the system includes a light path double reflection device and a projection device, the method includes: acquiring projection file information of a single forward projection screen which is required to be projected currently; performing simulated projection on the projection file information by adopting the light path double-reflection device and the projection device, and acquiring simulated light path information of the simulated projection; obtaining simulated projection visual field information obtained by simulated projection according to the simulated light path information; setting a projection view information threshold based on the projection file information; analyzing and judging whether the simulated projection visual field information meets the projection visual field information threshold value or not, and obtaining an analysis result; adjusting the light path double-reflection device and the projection device according to the analysis result to obtain the adjusted light path double-reflection device and the adjusted projection device; and projecting the projection file information by adopting the adjusted light path double-reflection device and the projection device.
In a second aspect of the present application, there is provided a curved mirror-based single positive pitching screen view field enlarging system, the system comprising: acquiring projection file information of a current projection of a single forward projection screen; performing simulated projection on the projection file information by adopting a light path double-reflection device and a projection device, and acquiring simulated light path information of the simulated projection; obtaining simulated projection visual field information obtained by simulated projection according to the simulated light path information; setting a projection view information threshold based on the projection file information; analyzing and judging whether the simulated projection visual field information meets the projection visual field information threshold value or not, and obtaining an analysis result; adjusting the light path double-reflection device and the projection device according to the analysis result to obtain the adjusted light path double-reflection device and the adjusted projection device; and projecting the projection file information by adopting the adjusted light path double-reflection device and the projection device.
One or more technical solutions provided in the present application have at least the following technical effects or advantages:
the embodiment of the application obtains the projection file information of the current single forward projection screen projection through collection, then carries out simulated projection to the projection file information based on the double-reflection device of the light path and the projection device which are arranged, collects and obtains the simulated light path information of the simulated projection, further obtains the simulated projection vision field information obtained by the simulated projection, judges whether the simulated projection vision field information meets the preset projection vision field information threshold value, obtains the analysis result, adjusts the double-reflection device of the light path and the projection device according to the analysis result, obtains the double-reflection device of the light path and the projection device after adjustment, and carries out projection. This application embodiment is through adopting the two anti-devices of light path to project image enlargies and reduce the facula, cooperation projection arrangement simulates the projection, obtain simulation projection vision field information according to simulation light path information, adjust two anti-devices of light path and projection arrangement, can effectively enlarge single just throwing ball curtain vision field, promote single just throwing watching of ball curtain experience and immerse experience and feel, reach and promote adjustment projection light path efficiency, promote the technical effect of single just throwing ball curtain vision field.
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Fig. 1 is a schematic flow chart of a single forward pitching screen vision field expanding method based on a curved reflector according to the present application;
fig. 2 is a schematic flow chart illustrating adjustment of a light path double-reflection device and a projection device according to an analysis result in the method for enlarging a single forward pitching screen view field based on a curved reflector according to the present application;
fig. 3 is a schematic flow chart illustrating adjustment of a light path double-reflection device and a projection device according to an image analysis result in the method for enlarging a single forward pitching screen view field based on a curved reflector according to the present application;
fig. 4 is a schematic structural diagram of a single forward pitching screen vision field expanding system based on a curved reflector.
Description of the reference numerals: the system comprises a processing scene setting module 11, a simulation projection module 12, a simulation visual field acquisition module 13, a visual field threshold setting module 14, a visual field analysis module 15, a device adjusting module 16 and a projection module 17.
Detailed Description
The application provides a method and a system for expanding the vision field of a single forward pitching screen based on a curved reflector, which are used for solving the problems that the projection vision field and the image quality are difficult to satisfy in the forward pitching screen of people in the prior art, the projection light path needs to be adjusted for many times, the adjustment efficiency is lower, and the existing vision field of the single forward pitching screen is smaller.
Example one
As shown in fig. 1, the present application provides a method for enlarging the view field of a single positive pitching screen based on a curved reflector, the method employs a system for enlarging the view field of a single positive pitching screen based on a curved reflector, the system includes a light path double-reflection device and a projection device, the light path double-reflection device includes a convex mirror and a concave mirror, the method includes:
s100: acquiring projection file information of a single forward projection screen which is required to be projected currently;
specifically, the projection file information is a projection image file that is created in advance and is used for projection of the single person forward pitching screen, and may be, for example, a science education video, a movie video, or the like.
S200: performing simulated projection on the projection file information by adopting the light path double-reflection device and the projection device, and acquiring simulated projection light path information;
based on the single forward projection screen vision field technology in the prior art, the light path double-reflection device and the projection device are adopted to carry out simulated projection on the projection file information, and a corresponding method is adopted to collect the simulated projection light path information.
Step S200 in the method provided in the embodiment of the present application includes:
s210: adopting the projection device to carry out simulated projection, adopting the convex mirror to amplify the simulated projection image, adopting the concave mirror to reduce light spots, and carrying out simulated projection to obtain preliminary simulated light path information;
s220: judging whether the preliminary simulation light path information is shielded or not to obtain a judgment result;
s230: adjusting the positions of the projection device and the light path double-reflection device according to the judgment result to obtain an adjustment result;
s240: and carrying out simulated projection according to the adjustment result to obtain the simulated light path information.
In an embodiment of the application, the optical path double-reflection device includes a convex mirror and a concave mirror, wherein the convex mirror performs image amplification, the concave mirror performs light spot reduction, and the light spots are arranged in the optical path of the projection device in tandem to process the projection light, thereby improving the projection view and the image quality.
In the embodiment of the present application, the projection device may be any projector in the prior art, and is preferably a projector applied to a front projection dome.
The projection device and the light path double-reflection device are adopted to carry out simulated projection, and simulated light path information of the simulated projection is acquired and obtained. Illustratively, preliminary simulated optical path information is obtained based on optical path simulation using TracePro software for simulated projection.
And judging whether the preliminary simulation light path information is shielded by a user or other objects, wherein the user is the user who currently shoots the ball screen by a single person. Because the projection device and the user are in the same direction in the single forward pitching screen, the possibility that the light path is blocked by the user exists. Therefore, whether the preliminary simulation light path information is shielded or not is judged, and a judgment result is obtained.
If the judgment result is yes, the positions of the projection device and the light path double-reflection device are adjusted, the simulated projection is carried out again until the preliminary simulated light path information is not shielded, and if the judgment result is no, the preliminary simulated light path information is used as the simulated light path information.
According to the embodiment of the application, the simulated projection is carried out based on the projection device and the light path double-reflection device, the light path simulation is carried out based on the TracePro software, the simulated light path information of the initial simulation can be rapidly and accurately obtained, and the subsequent processing is carried out.
S300: obtaining simulated projection visual field information obtained by simulated projection according to the simulated light path information;
specifically, according to the simulated light path information, simulated projection view information obtained by simulated projection under the spherical screen projection of the simulated light path information is acquired based on a method in the projection technology field.
Wherein the simulated projection view information includes lateral simulated projection view information and longitudinal simulated projection view information. For example, under the simulated light path information of the simulated projection, the lateral simulated projection view information is 160 °, and the longitudinal simulated projection view information is 40 °.
S400: setting a projection view information threshold based on the projection file information;
step S400 in the method provided in the embodiment of the present application includes:
s410: obtaining a transverse projection view information threshold based on the projection file information;
s420: obtaining a longitudinal projection view information threshold based on the projection file information;
s430: and combining the transverse projection visual field information threshold value and the longitudinal projection visual field information threshold value to obtain the projection visual field information threshold value.
Specifically, the transverse projection view information threshold and the longitudinal projection view information threshold are obtained based on the requirements of the current projection file information, respectively. Here, for example, if the projection file information is a science education video, the horizontal projection view information threshold value may be set to 180 ° and the vertical projection view information threshold value may be set to 50 °, respectively. Further combining the size of the current single pitching screen, the corresponding view area threshold value can be obtained.
The projection view information threshold is obtained by combining the horizontal projection view information threshold and the vertical projection view information threshold.
S500: analyzing and judging whether the simulated projection visual field information meets the projection visual field information threshold value or not, and obtaining an analysis result;
specifically, whether the simulated projection visual field information of the current simulated projection meets the projection visual field information threshold is analyzed and judged, and an analysis result is obtained.
Step S500 in the method provided in the embodiment of the present application includes:
s510: judging whether the simulated projection visual field information is larger than or equal to the projection visual field information threshold value or not, and obtaining a judgment result;
s520: if the judgment result is yes, obtaining an analysis result without adjusting the light path double-reflection device and the projection device;
s530: if the judgment result is negative, analyzing the degree that the simulated projection visual field information is smaller than the projection visual field information threshold value, and obtaining an analysis result.
Specifically, it is preliminarily determined whether the simulated projection view information is greater than or equal to the video domain information threshold, and a determination result is obtained. And judging whether the simulated transverse projection visual field information and the simulated longitudinal projection visual field information are respectively greater than or equal to a transverse projection visual field information threshold and a longitudinal projection visual field information threshold, and obtaining a judgment result.
If the judgment result is yes, the analysis result without adjusting the optical path double-reflection device and the projection device is obtained, and the projection can be directly carried out according to the current optical path double-reflection device and the projection device.
If the judgment result is negative, further analyzing and calculating the degree that the simulated projection visual field information is smaller than the projection visual field information threshold value, wherein the percentages that the simulated transverse projection visual field information and the simulated longitudinal projection visual field information are smaller than the transverse projection visual field information threshold value and the longitudinal projection visual field information threshold value can be respectively calculated, and obtaining the analysis result.
S600: adjusting the light path double-reflection device and the projection device according to the analysis result to obtain the adjusted light path double-reflection device and the adjusted projection device;
as shown in fig. 2, step S600 in the method provided in the embodiment of the present application includes:
s610: according to the analysis result, obtaining the degree that the simulated projection visual field information is smaller than the projection visual field information threshold value, and obtaining unsatisfied degree information;
s620: setting transverse adjustment parameters for transversely adjusting the light path double-reflection device and the projection device according to the unsatisfied degree information;
s630: setting longitudinal adjustment parameters for longitudinally adjusting the light path double-reflection device and the projection device according to the unsatisfied degree information;
s640: setting height adjustment parameters for adjusting the heights of the light path double-reflection device and the projection device according to the unsatisfied degree information;
s650: and adjusting the light path double-reflection device and the projection device according to the transverse adjustment parameter, the longitudinal adjustment parameter and the height adjustment parameter.
Specifically, according to the analysis result, the degree that the simulated projection view information is smaller than the projection view information threshold value, that is, the percentage that the simulated projection view information is smaller than the projection view information threshold value is obtained, and the unsatisfied degree information is obtained.
And obtaining a transverse adjusting parameter for transversely adjusting the optical path double-reflection device and the projection device according to the unsatisfied degree information, wherein the transverse adjusting parameter is used for adjusting the horizontal coordinate positions of the optical path double-reflection device and the projection device.
And setting longitudinal adjustment parameters for longitudinally adjusting the light path double-reflection device and the projection device according to the unsatisfied degree information, wherein the longitudinal adjustment parameters are used for adjusting the longitudinal positions of the light path double-reflection device and the projection device.
And setting a height adjusting parameter for adjusting the height of the optical path double-reflection device and the height of the projection device according to the unsatisfied degree information, wherein the height adjusting parameter is used for adjusting the heights of the optical path double-reflection device and the projection device.
The transverse adjustment parameter, the longitudinal adjustment parameter and the height adjustment parameter are all parameters which are obtained based on the size of the unsatisfied degree information and are used for representing adjustment amplitude, the larger the unsatisfied degree information is, the larger adjustment amplitude is included in the corresponding transverse adjustment parameter, longitudinal adjustment parameter and height adjustment parameter, the optical path double-reflection device and the projection device are rapidly and randomly adjusted based on the transverse adjustment parameter, longitudinal adjustment parameter and height adjustment parameter, simulated projection is carried out after each adjustment, and the steps are repeated until the judgment result is yes.
According to the embodiment of the application, the simulation projection vision field information is analyzed and judged according to the projection vision field information threshold, the transverse adjusting parameter, the longitudinal adjusting parameter and the height adjusting parameter are obtained according to the analysis result, the light path double-reflection device and the projection device are adjusted, and the technical effect of improving the projection time domain is achieved.
S700: and projecting the projection file information by adopting the adjusted light path double-reflection device and the projection device.
Based on the simulated projection visual field information which can meet the projection visual field information threshold value through final adjustment, projection of projection file information is carried out according to the positions of the corresponding optical path double-reflection device and the corresponding projection device, the time domain is expanded, and the corresponding requirements are met.
As shown in fig. 3, the method provided in the embodiment of the present application further includes step S800, where step S800 includes:
s810: acquiring and acquiring size information of the forward pitching screen according to the simulated light path information to acquire simulated projection image quality information;
s820: calculating to obtain a projection image quality information threshold according to the size information and the projection file information;
s830: analyzing and judging whether the quality information of the simulated projection image meets the threshold value of the quality information of the projection image or not, and obtaining an image analysis result;
s840: and adjusting the light path double-reflection device and the projection device according to the image analysis result.
Specifically, based on the above simulated light path information, simulated projection is performed, and further area information of the currently-projected dome screen is acquired, so as to acquire simulated projection quality information, where the simulated projection quality information includes information such as definition of a picture generated during projection, pixel points in a unit area on the dome screen, and the like.
And calculating to obtain a projection image quality information threshold value according to the size information and the projection file information and the required image display quality, wherein the projection image quality information threshold value comprises information such as pixel point threshold values in the unit area of the spherical screen cloth.
And analyzing and judging whether the simulated projected image quality information meets the projected image quality information threshold value or not, and obtaining an image analysis result.
And adjusting the optical path double-reflection device and the projection device based on the image analysis result, wherein if the simulated projection image quality information in the image analysis result meets the projection image quality information threshold, the optical path double-reflection device and the projection device are not adjusted, and if the simulated projection image quality information does not meet the projection image quality information threshold, the optical path double-reflection device and the projection device are adjusted.
Step S840 in the method provided in the embodiment of the present application includes:
s841: randomly adjusting the positions of the light path double-reflection device and the projection device to obtain a plurality of adjustment schemes;
s842: setting constraint conditions for a plurality of adjustment schemes;
s843: calculating adjustment scores of a plurality of adjustment schemes meeting the constraint condition based on the plurality of adjustment schemes and the constraint condition;
s844: traversing a plurality of the adjustment scores to obtain an optimal adjustment score;
s845: and adjusting the light path double-reflection device and the projection device by adopting an optimal adjustment scheme corresponding to the optimal adjustment score.
Specifically, the positions of the optical path double-reflection device and the projection device are randomly adjusted, specifically, the transverse positions, the longitudinal positions and the heights of the optical path double-reflection device and the projection device are randomly adjusted, so that multiple adjustment schemes are obtained, and each adjustment scheme corresponds to different positions of the optical path double-reflection device and the projection device after adjustment.
And setting constraint conditions for various adjustment schemes, wherein the constraint conditions comprise that the simulated projection visual field information projected after adjustment needs to meet a projection visual field information threshold value, and a projection light path cannot be shielded. In this way, adjustment schemes that do not satisfy the constraints may be eliminated.
Further, based on the plurality of adjustment schemes and the constraints, adjustment scores of the plurality of adjustment schemes meeting the constraints are calculated. Specifically, simulated projection can be performed based on the positions of the light path double-reflection device and the projection device which are adjusted by different adjustment schemes, projected image quality information of the simulated head image is acquired, and the adjustment score is higher the closer the projected image quality information is to the image quality information threshold value. In this manner, a plurality of adjustment scores for a plurality of adjustment scenarios is obtained.
And traversing the plurality of adjustment scores to obtain the highest adjustment score as the optimal adjustment score. And taking the adjustment scheme corresponding to the optimal adjustment score as an optimal adjustment scheme, adjusting the optical path double-reflection device and the projection device, and then projecting.
According to the embodiment of the application, whether the current simulated projected image quality information meets the projected image quality information threshold value is judged through analysis, the image analysis result is obtained, the positions of the light path double-reflection device and the projection device are randomly adjusted based on the image analysis result, a specific constraint condition and a grading method are set, an optimal adjustment scheme is obtained, and the projected image quality is improved while the projection visual field of a single forward pitching screen is improved.
To sum up, the embodiment of the present application has at least the following technical effects:
this application embodiment is through adopting the two anti-devices of light path to project image enlargies and reduce the facula, cooperation projection arrangement simulates the projection, obtain simulation projection vision field information according to simulation light path information, adjust two anti-devices of light path and projection arrangement, can effectively enlarge single just throwing ball curtain vision field, promote single just throwing watching of ball curtain experience and immerse experience and feel, reach and promote adjustment projection light path efficiency, promote the technical effect of single just throwing ball curtain vision field. The embodiment of the application also obtains the projected image quality information of the forward projection ball screen through the calculation of the simulated light path information of the simulated projection, sets a corresponding adjusting scheme through an image analysis result, randomly adjusts the positions of the light path double-reflection device and the projection device, improves the projection image quality of the forward projection ball screen, and achieves the technical effect of improving the image quality of the single forward projection ball screen vision field.
Example two
Based on the same inventive concept as the method for expanding the view field of the single positive pitching screen based on the curved reflector in the previous embodiment, as shown in fig. 4, the present application provides a system for expanding the view field of the single positive pitching screen based on the curved reflector, wherein the system comprises:
the projection file acquisition module 11 is used for acquiring and acquiring projection file information which needs to be projected by a single person to throw a ball curtain;
the simulation projection module 12 is configured to perform simulation projection on the projection file information by using a light path double-reflection device and a projection device, and acquire and obtain simulation light path information of the simulation projection;
the simulation visual field acquisition module 13 is configured to obtain simulation projection visual field information obtained by simulation projection according to the simulation light path information;
a view threshold setting module 14, configured to set a projection view information threshold based on the projection file information;
the view analysis module 15 is configured to analyze and judge whether the simulated projection view information satisfies the projection view information threshold, and obtain an analysis result;
the device adjusting module 16 is configured to adjust the optical path double-reflection device and the projection device according to the analysis result, so as to obtain the adjusted optical path double-reflection device and the adjusted projection device;
and the projection module 17 is configured to perform projection of the projection file information by using the adjusted optical path double-reflection device and the projection device.
Further, the analog projection module 12 is used to implement the following functions:
adopting the projection device to carry out simulated projection, adopting the convex mirror to amplify the simulated projection image, adopting the concave mirror to reduce light spots, and carrying out simulated projection to obtain preliminary simulated light path information;
judging whether the preliminary simulation light path information is shielded or not to obtain a judgment result;
adjusting the positions of the projection device and the light path double-reflection device according to the judgment result to obtain an adjustment result;
and carrying out simulated projection according to the adjustment result to obtain the simulated light path information.
Further, the view threshold setting module 14 is configured to implement the following functions:
obtaining a transverse projection view information threshold based on the projection file information;
obtaining a longitudinal projection view information threshold based on the projection file information;
and combining the transverse projection visual field information threshold value and the longitudinal projection visual field information threshold value to obtain the projection visual field information threshold value.
Further, the view field analysis module 15 is also configured to implement the following functions:
judging whether the simulated projection visual field information is larger than or equal to the projection visual field information threshold value or not, and obtaining a judgment result;
if the judgment result is yes, obtaining an analysis result without adjusting the optical path double-reflection device and the projection device;
if the judgment result is negative, analyzing the degree that the simulated projection visual field information is smaller than the projection visual field information threshold value, and obtaining an analysis result.
Further, the device adjusting module 16 is further configured to implement the following functions:
according to the analysis result, obtaining the degree that the simulated projection visual field information is smaller than the projection visual field information threshold value, and obtaining unsatisfied degree information;
setting transverse adjustment parameters for transversely adjusting the light path double-reflection device and the projection device according to the unsatisfied degree information;
setting longitudinal adjustment parameters for longitudinally adjusting the light path double-reflection device and the projection device according to the unsatisfied degree information;
setting height adjustment parameters for adjusting the heights of the light path double-reflection device and the projection device according to the unsatisfied degree information;
and adjusting the light path double-reflection device and the projection device according to the transverse adjustment parameter, the longitudinal adjustment parameter and the height adjustment parameter.
Further, the system also comprises an image quality adjusting module, and the book searching image quality adjusting module is used for realizing the following functions:
acquiring and acquiring size information of the forward pitching screen according to the simulated light path information to acquire simulated projection image quality information;
calculating to obtain a projection image quality information threshold according to the size information and the projection file information;
analyzing and judging whether the quality information of the simulated projection image meets the threshold value of the quality information of the projection image or not, and obtaining an image analysis result;
and adjusting the light path double-reflection device and the projection device according to the image analysis result.
Wherein, adjusting the light path double-reflection device and the projection device comprises:
randomly adjusting the positions of the light path double-reflection device and the projection device to obtain a plurality of adjustment schemes;
setting constraint conditions for a plurality of adjustment schemes;
calculating adjustment scores of a plurality of adjustment schemes meeting the constraint condition based on the plurality of adjustment schemes and the constraint condition;
traversing a plurality of the adjustment scores to obtain an optimal adjustment score;
and adjusting the light path double-reflection device and the projection device by adopting an optimal adjustment scheme corresponding to the optimal adjustment score.
The specification and figures are merely exemplary of the application and are intended to cover any and all modifications, variations, combinations, or equivalents within the scope of the application. It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the present application and its equivalent technology, it is intended that the present application include such modifications and variations.
Claims (8)
1. A single forward pitching screen vision field expanding method based on a curved surface reflector is characterized in that the method applies a single forward pitching screen vision field expanding system based on the curved surface reflector, the system comprises an optical path double-reflection device and a projection device, and the method comprises the following steps:
acquiring projection file information of a current projection of a single forward projection screen;
performing simulated projection on the projection file information by adopting the light path double-reflection device and the projection device, and acquiring simulated light path information of the simulated projection;
obtaining simulated projection visual field information obtained by simulated projection according to the simulated light path information;
setting a projection view information threshold based on the projection file information;
analyzing and judging whether the simulated projection visual field information meets the projection visual field information threshold value or not, and obtaining an analysis result;
adjusting the light path double-reflection device and the projection device according to the analysis result to obtain the adjusted light path double-reflection device and the adjusted projection device;
and projecting the projection file information by adopting the adjusted light path double-reflection device and the projection device.
2. The method of claim 1, wherein the optical path double-reflection device comprises a convex mirror and a concave mirror, and the analog projection of the projection file information by using the optical path double-reflection device and the projection device comprises:
adopting the projection device to carry out simulated projection, adopting the convex mirror to amplify the simulated projection image, adopting the concave mirror to reduce light spots, and carrying out simulated projection to obtain preliminary simulated light path information;
judging whether the preliminary simulation light path information is shielded or not to obtain a judgment result;
adjusting the positions of the projection device and the light path double-reflection device according to the judgment result to obtain an adjustment result;
and carrying out simulated projection according to the adjustment result to obtain the simulated light path information.
3. The method of claim 1, wherein setting a projection view information threshold based on the projection file information comprises:
obtaining a transverse projection view information threshold based on the projection file information;
obtaining a longitudinal projection view information threshold based on the projection file information;
and combining the transverse projection visual field information threshold value and the longitudinal projection visual field information threshold value to obtain the projection visual field information threshold value.
4. The method of claim 1, wherein analyzing to determine whether the simulated projection view information satisfies the projection view information threshold comprises:
judging whether the simulated projection visual field information is larger than or equal to the projection visual field information threshold value or not, and obtaining a judgment result;
if the judgment result is yes, obtaining an analysis result without adjusting the optical path double-reflection device and the projection device;
if the judgment result is negative, analyzing the degree that the simulated projection visual field information is smaller than the projection visual field information threshold value, and obtaining an analysis result.
5. The method of claim 4, wherein said adjusting said optical path dual-reflection device and said projection device according to said analysis result comprises:
according to the analysis result, obtaining the degree that the simulated projection visual field information is smaller than the projection visual field information threshold value, and obtaining unsatisfied degree information;
setting transverse adjustment parameters for transversely adjusting the light path double-reflection device and the projection device according to the unsatisfied degree information;
setting longitudinal adjustment parameters for longitudinally adjusting the light path double-reflection device and the projection device according to the unsatisfied degree information;
setting height adjustment parameters for adjusting the heights of the light path double-reflection device and the projection device according to the unsatisfied degree information;
and adjusting the light path double-reflection device and the projection device according to the transverse adjustment parameter, the longitudinal adjustment parameter and the height adjustment parameter.
6. The method of claim 1, further comprising:
acquiring and acquiring size information of the forward pitching screen according to the simulated light path information to acquire simulated projection image quality information;
calculating to obtain a projection image quality information threshold according to the size information and the projection file information;
analyzing and judging whether the quality information of the simulated projection image meets the threshold value of the quality information of the projection image or not, and obtaining an image analysis result;
and adjusting the light path double-reflection device and the projection device according to the image analysis result.
7. The method of claim 6, wherein adjusting the optical path doubler and the projection device according to the image analysis result comprises:
randomly adjusting the positions of the light path double-reflection device and the projection device to obtain a plurality of adjustment schemes;
setting constraint conditions for a plurality of adjustment schemes;
calculating adjustment scores of a plurality of adjustment schemes meeting the constraint condition based on the plurality of adjustment schemes and the constraint condition;
traversing a plurality of the adjustment scores to obtain an optimal adjustment score;
and adjusting the light path double-reflection device and the projection device by adopting an optimal adjustment scheme corresponding to the optimal adjustment score.
8. A single positive pitching screen field of view expansion system based on curved mirror, characterized in that, the system includes:
the projection file acquisition module is used for acquiring and acquiring projection file information which needs to be projected by a single forward projection screen at present;
the simulation projection module is used for performing simulation projection on the projection file information by adopting a light path double-reflection device and a projection device, and acquiring simulation light path information of the simulation projection;
the simulation visual field acquisition module is used for acquiring simulation projection visual field information obtained by simulation projection according to the simulation light path information;
a view threshold setting module for setting a projection view information threshold based on the projection file information;
the view field analysis module is used for analyzing and judging whether the simulated projection view field information meets the projection view field information threshold value or not to obtain an analysis result;
the device adjusting module is used for adjusting the light path double-reflection device and the projection device according to the analysis result to obtain the adjusted light path double-reflection device and the adjusted projection device;
and the projection module is used for projecting the projection file information by adopting the adjusted light path double-reflection device and the projection device.
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