CN114945086B - Single forward projection ball curtain vision expansion method and system based on curved reflector - Google Patents
Single forward projection ball curtain vision expansion method and system based on curved reflector Download PDFInfo
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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]
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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
- 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
- H04N9/3155—Modulator illumination systems for controlling the light source
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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
- H04N9/317—Convergence or focusing systems
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Abstract
The invention provides a single forward projection ball curtain visual field expanding method and system based on a curved reflector, and relates to the forward projection ball curtain field, wherein the method comprises the following steps: acquiring projection file information of single forward projection spherical screen projection currently required to be performed; the method comprises the steps that a light path double-reflection device and a projection device are adopted to carry out simulated projection on projection file information, and simulated light path information is acquired; obtaining simulated projection view 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 view information meets a projection view information threshold value or not, and obtaining an analysis result; according to the analysis result, the optical path double-reflecting device and the projection device are adjusted to obtain an adjusted optical path double-reflecting device and an adjusted projection device; and projecting the projection file information by adopting the adjusted optical path double-reflection device and the projection device. The invention solves the problem of smaller single forward projection ball curtain vision in the prior art, and achieves the technical effect of improving the single forward projection ball curtain vision.
Description
Technical Field
The invention relates to the technical field of forward projection ball curtains, in particular to a single forward projection ball curtain vision expanding method and system based on a curved reflector.
Background
The spherical screen is a projection display technology which is raised in recent years, can obtain projection viewing experience with large time domain and high immersion feeling by projecting through a spherical projection screen, and is widely applied to the fields of entertainment, film viewing, science popularization and the like.
The single forward projection ball curtain projects to the spherical curtain through the direction of the user, and the projection is required to be ensured not to be influenced by the user, and the time domain and the image quality are ensured so as to provide better projection watching experience.
In the single forward projection ball curtain in the prior art, the projection view field and the image quality are difficult to meet, the projection light path is required to be adjusted for multiple times, the adjustment efficiency is low, and the problem that the single forward projection ball curtain view field is smaller exists.
Disclosure of Invention
The application provides a single forward projection ball curtain visual field expansion method and system based on curved surface reflector, which are used for solving the problems that in the prior art, the projection visual field and the image quality in the single forward projection ball curtain are difficult to meet, the projection light path needs to be adjusted for many times, the adjustment efficiency is low, and the single forward projection ball curtain visual field is small.
In view of the above problems, the present application provides a single forward projection spherical screen viewing area expanding method and system based on curved mirrors.
In a first aspect of the present application, there is provided a single forward projection screen view expansion method based on curved mirrors, the method employing a single forward projection screen view expansion system based on curved mirrors, the system comprising a light path double-reflecting device and a projection device, the method comprising: acquiring projection file information of single forward projection spherical screen projection currently required to be performed; the optical path double-reflection device and the projection device are adopted to carry out simulated projection on the projection file information, and the simulated optical path information of the simulated projection is acquired; according to the simulated light path information, obtaining simulated projection vision information obtained by simulated projection; setting a projection view information threshold based on the projection file information; analyzing and judging whether the simulated projection view information meets the projection view information threshold value or not, and obtaining an analysis result; according to the analysis result, the optical path double-reflecting device and the projection device are adjusted to obtain the adjusted optical path double-reflecting device and projection device; and projecting the projection file information by adopting the adjusted optical path double-reflection device and the projection device.
In a second aspect of the present application, there is provided a single forward projection screen view expansion system based on curved mirrors, the system comprising: acquiring projection file information of single forward projection spherical screen projection currently required to be performed; 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; according to the simulated light path information, obtaining simulated projection vision information obtained by simulated projection; setting a projection view information threshold based on the projection file information; analyzing and judging whether the simulated projection view information meets the projection view information threshold value or not, and obtaining an analysis result; according to the analysis result, the optical path double-reflecting device and the projection device are adjusted to obtain the adjusted optical path double-reflecting device and projection device; and projecting the projection file information by adopting the adjusted optical 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:
according to the embodiment of the application, the projection file information of the single forward projection spherical screen projection is acquired and obtained currently, then the projection file information is subjected to simulated projection based on the set optical path double-reflection device and the projection device, the simulated optical path information of the simulated projection is acquired and obtained, the simulated projection view field information obtained by the simulated projection is further obtained, whether the simulated projection view field information meets the preset projection view field information threshold value or not is judged, an analysis result is obtained, the optical path double-reflection device and the projection device are adjusted according to the analysis result, the adjusted optical path double-reflection device and the adjusted projection device are obtained, and projection is carried out. According to the embodiment of the application, the light path double-reflection device is adopted to amplify and reduce the light spots of the projection image, the projection device is matched to perform simulated projection, simulated projection view information is obtained according to simulated light path information, the light path double-reflection device and the projection device are adjusted, the single forward projection ball curtain view can be effectively amplified, the watching experience and immersion experience sense of the single forward projection ball curtain are improved, and the technical effects of improving the projection light path efficiency and the single forward projection ball curtain view are achieved.
Drawings
FIG. 1 is a schematic flow chart of a single forward projection spherical screen vision expansion method based on a curved reflector;
FIG. 2 is a schematic flow chart of adjusting the optical path double-reflecting device and the projection device according to the analysis result in the single forward projection spherical screen visual field enlarging method based on the curved surface reflector;
FIG. 3 is a schematic flow chart of adjusting the optical path double-reflecting device and the projection device according to the image analysis result in the single forward projection spherical screen vision expanding method based on the curved mirror;
fig. 4 is a schematic structural diagram of a single forward projection spherical screen view expansion system based on a curved mirror.
Reference numerals illustrate: the device comprises a processing scene setting module 11, a simulation projection module 12, a simulation view acquisition module 13, a view threshold setting module 14, a view analysis module 15, a device adjustment module 16 and a projection module 17.
Detailed Description
The utility model provides a single forward projecting spherical screen visual field expansion method and system based on curved surface speculum for be difficult to satisfy to projection visual field and image quality among the forward projecting spherical screen of people among the solution prior art, need adjust projection light path many times, adjustment efficiency is lower, the single forward projecting spherical screen visual field less problem of existence.
Example 1
As shown in fig. 1, the present application provides a single forward projection screen view expansion method based on a curved mirror, the method applying a single forward projection screen view expansion system based on a curved mirror, the system including a light path double reflecting device and a projection device, the light path double reflecting device including a convex mirror and a concave mirror, the method comprising:
s100: acquiring projection file information of single forward projection spherical screen projection currently required to be performed;
specifically, the projection file information is a projection image file which is pre-made and used for single forward projection ball curtain projection, and can be, for example, scientific and teaching videos, movie videos and the like.
S200: the optical path double-reflection device and the projection device are adopted to carry out simulated projection on the projection file information, and the simulated optical path information of the simulated projection is acquired;
based on the single forward projection spherical screen vision technology in the prior art, the optical path double-reflection device and the projection device are adopted to carry out simulated projection on projection file information, and the corresponding method is adopted to collect simulated optical path information of the simulated projection.
Step S200 in the method provided in the embodiment of the present application includes:
s210: adopting the projection device to perform simulated projection, adopting the convex mirror to amplify the simulated projection image, adopting the concave mirror to reduce the light spots, and performing simulated projection to obtain primary simulated light path information;
s220: judging whether the preliminary simulation light path information is shielded or not, and obtaining a judging result;
s230: according to the judging result, the positions of the projection device and the optical path double-reflecting device are adjusted to obtain an adjusting result;
s240: and performing analog projection according to the adjustment result to obtain the analog light path information.
In this embodiment, the optical path double-reflection device includes a convex mirror and a concave mirror, where the convex mirror enlarges the image, the concave mirror reduces the light spot, and the concave mirror is disposed on the optical path of the projection device, processes the projection light, and improves the projection view and the image quality.
In this embodiment of the present application, the projection device may be any projector in the prior art, and is preferably a projector applied in a forward projection spherical screen.
The projection device and the optical path double-reflection device are adopted to carry out simulated projection, and simulated optical path information of the simulated projection is acquired. Illustratively, preliminary simulated light path information is obtained based on light path simulation of simulated projection using TracePro software.
Judging whether the preliminary simulation light path information is blocked by a user or other objects, wherein the user is the user currently performing single forward projection ball curtain. Because the projection device is positioned in the same direction as the user in the single forward projection ball screen, the light path may be blocked by the user. Therefore, whether the preliminary simulation light path information is blocked is judged, and a judgment result is obtained.
And if the judgment result is yes, the positions of the projection device and the optical path double-reflection device are adjusted, the simulation projection is carried out again until the primary simulation optical path information is not shielded, and if the judgment result is no, the primary simulation optical path information is used as the simulation optical path information.
According to the embodiment of the application, the simulation projection is carried out based on the projection device and the optical path double-reflection device, the optical path simulation is carried out based on the tracePro software, the initially simulated simulation optical path information can be rapidly and accurately obtained, and the follow-up processing is carried out.
S300: according to the simulated light path information, obtaining simulated projection vision information obtained by simulated projection;
specifically, according to the simulated light path information, based on a method in the projection technical field, simulated projection view field information obtained by simulated projection under the spherical screen projection of the simulated light path information is obtained.
The simulated projection view information comprises transverse simulated projection view information and longitudinal simulated projection view information. For example, in the simulated projection simulated light path information, the horizontal simulated projection view field information is 160 °, and the vertical simulated projection view field 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: based on the projection file information, a transverse projection view information threshold is obtained;
s420: based on the projection file information, a longitudinal projection view information threshold is obtained;
s430: and combining the transverse projection view information threshold with the longitudinal projection view information threshold to obtain the projection view information threshold.
Specifically, based on the requirement of the current projection file information, a horizontal projection view information threshold and a vertical projection view information threshold are respectively obtained. For example, if the projection file information is a science video, the threshold value of the horizontal projection view information may be set to 180 ° and the threshold value of the vertical projection view information may be set to 50 °. Further combining the size of the current single forward projection ball curtain, the corresponding viewing area threshold can be obtained.
And combining the transverse projection view information threshold value and the longitudinal projection view information threshold value to obtain the projection view information threshold value.
S500: analyzing and judging whether the simulated projection view information meets the projection view information threshold value or not, and obtaining an analysis result;
specifically, whether the simulated projection view field information of the current simulated projection meets the projection view field information threshold value 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 view information is larger than or equal to the projection view information threshold value or not, and obtaining a judging result;
s520: if the judgment result is yes, an analysis result which is not adjusted to the optical path double-reflecting device and the projection device is obtained;
s530: and if the judgment result is negative, analyzing the degree that the simulated projection view information is smaller than the projection view information threshold value to obtain an analysis result.
Specifically, whether the simulated projection view information is larger than or equal to the film view information threshold value is preliminarily judged, and a judgment result is obtained. The method comprises the steps of determining whether the simulated transverse projection view information and the simulated longitudinal projection view information are respectively larger than or equal to a transverse projection view information threshold and a longitudinal projection view information threshold, and obtaining a determination result.
If the judgment result is yes, an analysis result which is not adjusted to the optical path double-reflecting device and the projection device is obtained, and the projection can be directly carried out according to the current optical path double-reflecting device and the projection device.
If the judgment result is negative, further analyzing and calculating the degree that the simulated projection view field information is smaller than the projection view field information threshold, wherein the percentage that the simulated transverse projection view field information and the simulated longitudinal projection view field information are smaller than the transverse projection view field information threshold and the longitudinal projection view field information threshold can be calculated respectively, and the analysis result is obtained.
S600: according to the analysis result, the optical path double-reflecting device and the projection device are adjusted to obtain the adjusted optical path double-reflecting device and projection device;
as shown in fig. 2, step S600 in the method provided in the embodiment of the present application includes:
s610: obtaining the degree that the simulated projection view information is smaller than the projection view information threshold according to the analysis result, and obtaining unsatisfied degree information;
s620: setting a transverse adjustment parameter for transversely adjusting the optical path double-reflecting device and the projection device according to the unsatisfied degree information;
s630: according to the unsatisfied degree information, setting longitudinal adjustment parameters for longitudinally adjusting the optical path double-reflecting device and the projection device;
s640: setting height adjustment parameters for adjusting the heights of the optical path double-reflecting device and the projection device according to the unsatisfied degree information;
s650: and adjusting the light path double-reflecting 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 field information is smaller than the projection view field information threshold value, that is, the percentage that the simulated projection view field information is smaller than the projection view field information threshold value is obtained, and the unsatisfied degree information is obtained.
And according to the unsatisfied degree information, obtaining a transverse adjustment parameter for transversely adjusting the optical path double-reflecting device and the projection device, wherein the transverse adjustment parameter is used for adjusting the transverse coordinate positions of the optical path double-reflecting device and the projection device.
And setting longitudinal adjustment parameters for longitudinally adjusting the optical path double-reflecting 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 optical path double-reflecting device and the projection device.
And setting a height adjustment parameter for adjusting the heights of the optical path double-reflecting device and the projection device according to the unsatisfied degree information, wherein the height adjustment parameter is used for adjusting the heights of the optical path double-reflecting device and the projection device.
The above-mentioned transverse adjustment parameter, longitudinal adjustment parameter and height adjustment parameter are parameters for representing adjustment amplitude obtained based on the magnitude of the unsatisfied degree information, the greater the unsatisfied degree information is, the larger the adjustment amplitude is included in the corresponding transverse adjustment parameter, longitudinal adjustment parameter and height adjustment parameter, the optical path double-reflecting device and projection device are quickly and randomly adjusted based on the transverse adjustment parameter, longitudinal adjustment parameter and height adjustment parameter, and after each adjustment, analog projection is performed, and the above-mentioned steps are repeated until the above-mentioned judgment result is yes.
According to the embodiment of the application, the simulated projection view information is analyzed and judged according to the projection view information threshold value, and the transverse adjustment parameter, the longitudinal adjustment parameter and the height adjustment parameter are obtained according to the analysis result, so that the optical path double-reflecting 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 optical path double-reflection device and the projection device.
Based on the simulated projection view field information which can meet the projection view 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 projection device, the time domain is enlarged, and 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 size information of the forward projection spherical screen according to the simulated light path information to obtain 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 simulated projection image quality information meets the projection image quality information threshold value or not to obtain an image analysis result;
s840: and adjusting the optical path double-reflecting device and the projection device according to the image analysis result.
Specifically, based on the above-mentioned simulated light path information, performing simulated projection, further acquiring area information of the current forward projection spherical screen, 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 spherical screen, and the like.
And calculating to obtain a projection image quality information threshold according to the size information and the projection file information and the required image display quality, wherein the projection image quality information threshold comprises information such as a pixel point threshold in a unit area of a spherical screen.
And analyzing and judging whether the simulated projection image quality information meets a projection image quality information threshold value or not to obtain an image analysis result.
And adjusting the optical path double-reflecting 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-reflecting device and the projection device are not adjusted, and if the simulated projection image quality information in the image analysis result does not meet the projection image quality information threshold, the optical path double-reflecting 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 optical path double-reflecting device and the projection device to obtain various adjustment schemes;
s842: setting constraint conditions for a plurality of adjustment schemes;
s843: calculating adjustment scores for a plurality of the adjustment schemes that meet the constraint conditions based on the plurality of the adjustment schemes and the constraint conditions;
s844: traversing a plurality of the adjustment scores to obtain an optimal adjustment score;
s845: and adjusting the optical path double-reflecting 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-reflecting device and the projection device are randomly adjusted, and specifically, the transverse positions, the longitudinal positions and the heights of the optical path double-reflecting device and the projection device are randomly adjusted, so that various adjustment schemes are obtained, and each adjustment scheme corresponds to different positions of the optical path double-reflecting device and the projection device after adjustment.
And setting constraint conditions for various adjustment schemes, wherein the constraint conditions comprise that the simulated projection view information subjected to the projection after adjustment is required to meet the projection view information threshold value, and the projection light path cannot be blocked. In this way, adjustment schemes that do not satisfy the constraint can be removed.
Further, based on the plurality of adjustment schemes and the constraint, an adjustment score for the plurality of adjustment schemes that meet the constraint is calculated. Specifically, based on the positions of the optical path double-reflection device and the projection device after adjustment in different adjustment schemes, analog projection can be performed, and projection image quality information of an analog head image is acquired, wherein the closer the projection image quality information is to an image quality information threshold value, the higher the adjustment score is. In this way, a plurality of adjustment scores for a plurality of adjustment schemes are obtained.
Traversing the plurality of adjustment scores to obtain the highest adjustment score as the optimal adjustment score. And adjusting the optical path double-reflecting device and the projection device by taking the adjusting scheme corresponding to the optimal adjusting score as an optimal adjusting scheme, and then projecting.
According to the embodiment of the application, whether the current simulated projection image quality information meets the projection image quality information threshold value is judged through analysis, an image analysis result is obtained, the positions of the optical path double-reflection device and the projection device are randomly adjusted based on the image analysis result, a specific constraint condition and a scoring method are set, an optimal adjustment scheme is obtained, and the projection image quality is improved while the single forward projection spherical screen projection vision is improved.
In summary, the embodiments of the present application have at least the following technical effects:
according to the embodiment of the application, the light path double-reflection device is adopted to amplify and reduce the light spots of the projection image, the projection device is matched to perform simulated projection, simulated projection view information is obtained according to simulated light path information, the light path double-reflection device and the projection device are adjusted, the single forward projection ball curtain view can be effectively amplified, the watching experience and immersion experience sense of the single forward projection ball curtain are improved, and the technical effects of improving the projection light path efficiency and the single forward projection ball curtain view are achieved. According to the method and the device, the image quality information of the forward projection ball curtain projection is obtained through the calculation of the simulated light path information of the simulated projection, the positions of the light path double-reflecting device and the projection device are adjusted randomly through the corresponding adjustment scheme set by the image analysis result, the projection image quality of the forward projection ball curtain is improved, and the technical effect of improving the single forward projection ball curtain vision image quality is achieved.
Example two
Based on the same inventive concept as the single forward projection screen view expansion method based on the curved mirror in the foregoing embodiment, as shown in fig. 4, the present application provides a single forward projection screen view expansion system based on the curved mirror, wherein the system includes:
the projection file acquisition module 11 is used for acquiring projection file information of single forward projection spherical screen projection currently required to be performed;
the analog projection module 12 is used for performing analog projection on the projection file information by adopting an optical path double-reflection device and a projection device, and acquiring analog optical path information of the analog projection;
the simulated view acquisition module 13 is configured to obtain simulated projection view information obtained by simulated projection according to the simulated 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 determine whether the simulated projection view information meets the projection view information threshold, so as to obtain an analysis result;
the device adjusting module 16 is configured to adjust the optical path dual-reflection device and the projection device according to the analysis result, so as to obtain the adjusted optical path dual-reflection device and projection device;
and the projection module 17 is used for projecting the projection file information by adopting the adjusted optical path double-reflection device and the projection device.
Further, the analog projection module 12 is configured to perform the following functions:
adopting the projection device to perform simulated projection, adopting the convex mirror to amplify the simulated projection image, adopting the concave mirror to reduce the light spots, and performing simulated projection to obtain primary simulated light path information;
judging whether the preliminary simulation light path information is shielded or not, and obtaining a judging result;
according to the judging result, the positions of the projection device and the optical path double-reflecting device are adjusted to obtain an adjusting result;
and performing analog projection according to the adjustment result to obtain the analog light path information.
Further, the view threshold setting module 14 is configured to implement the following functions:
based on the projection file information, a transverse projection view information threshold is obtained;
based on the projection file information, a longitudinal projection view information threshold is obtained;
and combining the transverse projection view information threshold with the longitudinal projection view information threshold to obtain the projection view information threshold.
Further, the view analysis module 15 is further configured to implement the following functions:
judging whether the simulated projection view information is larger than or equal to the projection view information threshold value or not, and obtaining a judging result;
if the judgment result is yes, an analysis result which is not adjusted to the optical path double-reflecting device and the projection device is obtained;
and if the judgment result is negative, analyzing the degree that the simulated projection view information is smaller than the projection view information threshold value to obtain an analysis result.
Further, the device adjustment module 16 is further configured to implement the following functions:
obtaining the degree that the simulated projection view information is smaller than the projection view information threshold according to the analysis result, and obtaining unsatisfied degree information;
setting a transverse adjustment parameter for transversely adjusting the optical path double-reflecting device and the projection device according to the unsatisfied degree information;
according to the unsatisfied degree information, setting longitudinal adjustment parameters for longitudinally adjusting the optical path double-reflecting device and the projection device;
setting height adjustment parameters for adjusting the heights of the optical path double-reflecting device and the projection device according to the unsatisfied degree information;
and adjusting the light path double-reflecting 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, wherein the book searching image quality adjusting module is used for realizing the following functions:
acquiring size information of the forward projection spherical screen according to the simulated light path information to obtain 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 simulated projection image quality information meets the projection image quality information threshold value or not to obtain an image analysis result;
and adjusting the optical path double-reflecting device and the projection device according to the image analysis result.
Wherein, adjust the light path double reflecting device and the projection device, include:
randomly adjusting the positions of the optical path double-reflecting device and the projection device to obtain various adjustment schemes;
setting constraint conditions for a plurality of adjustment schemes;
calculating adjustment scores for a plurality of the adjustment schemes that meet the constraint conditions based on the plurality of the adjustment schemes and the constraint conditions;
traversing a plurality of the adjustment scores to obtain an optimal adjustment score;
and adjusting the optical path double-reflecting device and the projection device by adopting an optimal adjustment scheme corresponding to the optimal adjustment score.
The specification and drawings are merely exemplary of the application and are to be regarded as covering any and all modifications, variations, combinations, or equivalents that are within the scope of the application. It will be apparent to those skilled in the art that various modifications and variations can 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 the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (5)
1. A method for expanding the field of view of a single forward projection dome based on curved mirrors, the method employing a single forward projection dome field of view expanding system based on curved mirrors, the system comprising a light path double reflecting device and a projection device, the light path double reflecting device comprising a convex mirror and a concave mirror, the method comprising:
acquiring projection file information of single forward projection spherical screen projection currently required to be performed;
the optical path double-reflection device and the projection device are adopted to carry out simulated projection on the projection file information, and the simulated optical path information of the simulated projection is acquired;
according to the simulated light path information, obtaining simulated projection vision information obtained by simulated projection;
setting a projection view information threshold based on the projection file information;
analyzing and judging whether the simulated projection view information meets the projection view information threshold value or not, and obtaining an analysis result;
according to the analysis result, the optical path double-reflecting device and the projection device are adjusted to obtain the adjusted optical path double-reflecting device and projection device;
projecting the projection file information by adopting the adjusted optical path double-reflection device and the projection device;
the method further comprises the steps of:
acquiring size information of the forward projection spherical screen according to the simulated light path information to obtain 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 simulated projection image quality information meets the projection image quality information threshold value or not to obtain an image analysis result;
according to the image analysis result, the optical path double-reflecting device and the projection device are adjusted, wherein the method comprises the following steps: randomly adjusting the positions of the optical path double-reflecting device and the projection device to obtain various adjustment schemes; setting constraint conditions for a plurality of adjustment schemes; calculating adjustment scores for a plurality of the adjustment schemes that meet the constraint conditions based on the plurality of the adjustment schemes and the constraint conditions; traversing a plurality of the adjustment scores to obtain an optimal adjustment score; adopting an optimal adjustment scheme corresponding to the optimal adjustment score to adjust the optical path double-reflecting device and the projection device;
the method for simulating projection of the projection file information by adopting the optical path double-reflection device and the projection device comprises the following steps:
adopting the projection device to perform simulated projection, adopting the convex mirror to amplify a simulated projection image, adopting the concave mirror to reduce light spots, performing simulated projection, and adopting tracePro software to perform optical path simulation of the simulated projection to obtain primary simulated optical path information;
judging whether the preliminary simulation light path information is shielded or not, and obtaining a judging result;
according to the judging result, the positions of the projection device and the optical path double-reflecting device are adjusted to obtain an adjusting result;
and performing analog projection according to the adjustment result to obtain the analog light path information.
2. The method of claim 1, wherein setting a projection view information threshold based on the projection file information comprises:
based on the projection file information, a transverse projection view information threshold is obtained;
based on the projection file information, a longitudinal projection view information threshold is obtained;
and combining the transverse projection view information threshold with the longitudinal projection view information threshold to obtain the projection view information threshold.
3. The method of claim 1, wherein analyzing to determine whether the simulated projection view information meets the projection view information threshold comprises:
judging whether the simulated projection view information is larger than or equal to the projection view information threshold value or not, and obtaining a judging result;
if the judgment result is yes, an analysis result which is not adjusted to the optical path double-reflecting device and the projection device is obtained;
and if the judgment result is negative, analyzing the degree that the simulated projection view information is smaller than the projection view information threshold value to obtain an analysis result.
4. A method according to claim 3, wherein said adjusting said optical path double reflecting means and said projection means according to said analysis result comprises:
obtaining the degree that the simulated projection view information is smaller than the projection view information threshold according to the analysis result, and obtaining unsatisfied degree information;
setting a transverse adjustment parameter for transversely adjusting the optical path double-reflecting device and the projection device according to the unsatisfied degree information; according to the unsatisfied degree information, setting longitudinal adjustment parameters for longitudinally adjusting the optical path double-reflecting device and the projection device;
setting height adjustment parameters for adjusting the heights of the optical path double-reflecting device and the projection device according to the unsatisfied degree information;
and adjusting the light path double-reflecting device and the projection device according to the transverse adjustment parameter, the longitudinal adjustment parameter and the height adjustment parameter.
5. A single forward projection spherical screen view expansion system based on curved reflectors, the system comprising a light path double reflecting device and a projection device, the light path double reflecting device comprising a convex mirror and a concave mirror, the system comprising:
the projection file acquisition module is used for acquiring projection file information of single forward projection spherical screen projection currently required to be performed;
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, acquiring and acquiring simulation light path information of the simulation projection, wherein the simulation projection is performed on the projection file information by adopting the light path double-reflection device and the projection device, and comprises the following steps: adopting the projection device to perform simulated projection, adopting the convex mirror to amplify a simulated projection image, adopting the concave mirror to reduce light spots, performing simulated projection, and adopting tracePro software to perform optical path simulation of the simulated projection to obtain primary simulated optical path information; judging whether the preliminary simulation light path information is shielded or not, and obtaining a judging result; according to the judging result, the positions of the projection device and the optical path double-reflecting device are adjusted to obtain an adjusting result; according to the adjustment result, performing analog projection to obtain the analog light path information;
the simulated view acquisition module is used for acquiring simulated projection view information obtained by simulated projection according to the simulated light path information;
the view threshold setting module is used for setting a projection view information threshold based on the projection file information;
the view analysis module is used for analyzing and judging whether the simulated projection view information meets the projection view information threshold value or not to obtain an analysis result;
the device adjusting module is used for adjusting the optical path double-reflecting device and the projection device according to the analysis result to obtain the adjusted optical path double-reflecting device and projection device;
the projection module is used for projecting the projection file information by adopting the adjusted optical path double-reflection device and the projection device;
the image quality adjusting module is used for acquiring the size information of the forward projection spherical screen according to the simulated light path information to obtain 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 simulated projection image quality information meets the projection image quality information threshold value or not to obtain an image analysis result; according to the image analysis result, the optical path double-reflecting device and the projection device are adjusted, wherein the method comprises the following steps: randomly adjusting the positions of the optical path double-reflecting device and the projection device to obtain various adjustment schemes; setting constraint conditions for a plurality of adjustment schemes; calculating adjustment scores for a plurality of the adjustment schemes that meet the constraint conditions based on the plurality of the adjustment schemes and the constraint conditions; traversing a plurality of the adjustment scores to obtain an optimal adjustment score; and adjusting the optical path double-reflecting device and the projection device by adopting an optimal adjustment scheme corresponding to the optimal adjustment score.
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