CN112857756B - Holographic fixed parallax stereoscopic vision degree quantizing device - Google Patents
Holographic fixed parallax stereoscopic vision degree quantizing device Download PDFInfo
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- CN112857756B CN112857756B CN202110440324.7A CN202110440324A CN112857756B CN 112857756 B CN112857756 B CN 112857756B CN 202110440324 A CN202110440324 A CN 202110440324A CN 112857756 B CN112857756 B CN 112857756B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B35/00—Stereoscopic photography
- G03B35/18—Stereoscopic photography by simultaneous viewing
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Abstract
The invention relates to a holographic fixed parallax stereoscopic vision degree quantification device which comprises a holographic projection mechanism and a measurement mechanism, wherein the measurement mechanism is arranged on the holographic projection mechanism and is used for directly quantifying the stereoscopic vision degree of a fixed parallax target in a holographic image. The holographic projection mechanism puts in the holographic image, and operating personnel observes the holographic image, according to the actual unsmooth condition of the virtual image of seeing, controls measuring mechanism and measures the relative distance of fixed parallax target in the holographic image in reality, quantifies the stereoscopic vision degree of fixed parallax target in the holographic image of own both eyes through operating personnel's independent operation measuring mechanism, and the practicality is strong.
Description
Technical Field
The invention relates to the field of vision training, in particular to a holographic fixed parallax stereoscopic vision degree quantification device.
Background
At present, the application of bore hole 3D holographic projection technique is very extensive, relates to each field. In the military field, the 3D holographic projection technology can simulate the battlefield environment, thereby providing support for analyzing decisions and actions, and being real and portable; in the field of education, the limitation of time and space can be broken through, and dynamic, temporal and story-oriented virtual images are used for showing history, so that the participation experience of students is really achieved, and edutainment is realized; in the field of film and television, the 3D holographic image technology can enable people to have stronger sense of reality, and in a cinema with a super-large screen, the audience can have a feeling of being personally on the scene by matching super-large three-dimensional pictures with surround stereo sound effect without carrying special glasses; in the stage effect, the spectators can directly see the three-dimensional virtual characters and scenery on the stage, thereby creating a fantastic and real visual atmosphere and having super strong visual impact.
However, people have different recognition degrees for the same fixed parallax stereoscopic images in the holographic images, and the concave-convex feeling of each person for the same parallax virtual stereoscopic images is different, which means that the binocular stereoscopic function integration capability of different individuals is different, but the stereoscopic degree of each person in the stereoscopic virtual holographic images cannot be evaluated and quantified.
In the prior art, chinese patent CN102867304B discloses a "method for establishing a relationship between scene stereo depth and parallax in a binocular stereo vision system", which is disclosed as 2015, 07, 01, and first obtains internal parameters, relative rotation matrices and translation vectors of left and right cameras; then analyzing a main error source and an error model of the binocular stereoscopic vision system; then analyzing the influence of the main error on the base length and the parallax of the parallel binocular stereoscopic vision system; then establishing a general relation model of scene stereo depth and parallax of the binocular stereo vision system; then selecting a certain amount of calibration points, obtaining depth information by a laser range finder, carrying out calibration based on a least square method, and solving a relation model of the scene stereo depth and the parallax of the given binocular stereo vision system; and finally, solving the scene parallax in the left image and the right image by a corresponding fixed matching method, thereby realizing the accurate recovery and the three-dimensional reconstruction of the scene three-dimensional depth. According to the scheme, a relation model of scene stereo depth and parallax is established, scene parallax in left and right images is solved, three-dimensional reconstruction information of a stereo scene is obtained, existing binocular stereo scenes are reconstructed, the three-dimensional reconstruction process is complex, and fixed parallax in a holographic image is evaluated and quantified based on different stereo vision degrees of each operator.
Disclosure of Invention
The invention provides a holographic fixed parallax three-dimensional visual degree quantification device, aiming at solving the technical defect that the existing method cannot evaluate and quantify the three-dimensional visual degree of a fixed parallax target in a holographic image.
In order to realize the purpose, the technical scheme is as follows:
the holographic stereoscopic vision degree quantification device with fixed parallax comprises a holographic projection mechanism and a measuring mechanism, wherein the measuring mechanism is arranged on the holographic projection mechanism and is used for directly quantifying the stereoscopic vision degree with fixed parallax in a holographic image.
The holographic projection mechanism comprises a display screen, a holographic screen and a holographic projection chip, wherein the display screen is connected to one side of the holographic screen and arranged at an angle of 45 degrees; the holographic projection chip is arranged in the display screen and used for putting a holographic image, and the measuring mechanism is arranged above the display screen and the holographic screen;
in the above scheme, holographic image is put in to holographic projection mechanism, and operating personnel observes holographic image, according to the actual unsmooth condition of the virtual image of seeing, controls measuring mechanism and measures the relative distance of fixed parallax target in the reality in holographic image, quantifies the stereoscopic vision degree of fixed parallax target in the holographic image of own both eyes through operating personnel independent operation measuring mechanism, and the practicality is strong.
The holographic projection mechanism comprises a display screen, a holographic screen and a holographic projection chip, wherein the display screen is connected to one side of the holographic screen and arranged at an angle of 45 degrees; the holographic projection chip is arranged in the display screen and used for putting in holographic images, and the measuring mechanism is arranged above the display screen and the holographic screen.
The display screen is horizontally arranged.
The holographic screen is holographic glass or a holographic film.
The display screen is fixedly connected to one side of the holographic screen.
The measuring mechanism comprises a light beam emitter, a rail slider, a sliding rail and a remote controller; the sliding rail is arranged above the display screen and the holographic screen; the rail glider is connected with the sliding rail in a sliding way; the light beam emitter is fixedly connected with the rail glider; the remote controller is wirelessly connected with the rail glider.
Still include the scale, the display screen upper surface is provided with the scale of the junction of perpendicular to display screen and holographic screen, the scale with the slide rail is parallel.
The slide rail sets up directly over the scale.
The light beam emitter emits a light beam perpendicular to the display screen.
The remote controller is wirelessly connected with the track glider through Bluetooth.
In the above scheme, the holographic projection chip displays the virtual image at 90 degrees on the holographic glass (holographic film) through the display screen, the rail glider can move on the slide rail under the control of the remote controller, the light beam emitter is arranged on the rail glider and emits a beam of visible light vertically penetrating through the holographic glass (holographic film), and one end of the visible light just falls on the graduated scale.
An operator stands in front of the device, observes the virtual stereoscopic image behind the holographic glass, can see the concave-convex condition of the virtual image, controls the track glider to move through the remote controller at the moment, moves the visible light to the foremost end and the farthest end of the virtual stereoscopic image, and stays on the graduated scale, and therefore the virtual fixed parallax is quantized.
Compared with the prior art, the invention has the beneficial effects that:
according to the holographic fixed parallax three-dimensional vision degree quantification device provided by the invention, the holographic projection mechanism puts in the holographic image, the operator observes the holographic image, the measurement mechanism is controlled to measure the relative distance of the fixed parallax target in the holographic image in reality according to the actual concave-convex condition of the seen virtual image, the operator independently operates the measurement mechanism to quantify the three-dimensional vision degree of the fixed parallax target in the holographic image of two eyes, and the device is high in practicability.
Drawings
FIG. 1 is a block diagram of the apparatus of the present invention;
FIG. 2 is a side view of the apparatus of the present invention;
description of reference numerals: 1. a holographic projection mechanism; 2. a measuring mechanism; 11. a display screen; 12. a holographic screen; 13. a holographic projection chip; 21. a light beam emitter; 22. a rail runner; 23. a slide rail; 24. a remote controller; 25. a graduated scale.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
the invention is further illustrated below with reference to the figures and examples.
Example 1
As shown in fig. 1 and fig. 2, the holographic fixed parallax stereoscopic vision degree quantification apparatus includes a holographic projection mechanism 1 and a measurement mechanism 2, wherein the measurement mechanism 2 is disposed on the holographic projection mechanism 1 and is used for directly quantifying the stereoscopic vision degree of a fixed parallax object in a holographic image.
In the above scheme, holographic image is put in to holographic projection mechanism 1, and operating personnel observes holographic image, according to the actual unsmooth condition of the virtual image of seeing, controls measuring mechanism 2 and measures the relative distance of fixed parallax target in the reality in holographic image, quantifies the stereoscopic vision degree of fixed parallax target in the holographic image of own both eyes through operating personnel independent operation measuring mechanism, and the practicality is strong.
The holographic projection mechanism 1 comprises a display screen 11, a holographic screen 12 and a holographic projection chip 13, wherein the display screen 11 is connected to one side of the holographic screen 12 and is arranged at an angle of 45 degrees; the holographic projection chip 13 is arranged in the display screen 11 and used for putting a holographic image, and the measuring mechanism 2 is arranged above the display screen 11 and the holographic screen 12.
The display screen 11 is horizontally arranged.
The holographic screen 12 is holographic glass or a holographic film.
The display screen 11 is fixedly connected to one side of the holographic screen 12.
The measuring mechanism 2 comprises a light beam emitter 21, a rail slider 22, a sliding rail 23 and a remote controller 24; the slide rail 23 is arranged above the display screen 11 and the holographic screen 12; the rail sliding device 22 is connected with the sliding rail 23 in a sliding manner; the light beam emitter 21 is fixedly connected with the track glider 22; the remote control 24 is wirelessly connected to the rail glide 22.
Still include scale 25, display screen 11 upper surface is provided with the scale 25 of the junction of perpendicular to display screen 11 and holographic screen 12, scale 25 with slide rail 23 is parallel.
The slide rail 23 is disposed directly above the scale 25.
The beam emitter 21 emits a beam of light perpendicular to the display screen 11.
The remote controller 24 is wirelessly connected with the rail glider 22 through bluetooth.
Example 2
After the holographic projection chip 13 displays a virtual image on holographic glass (holographic film) in a three-dimensional 90-degree manner through the display screen 11, the track slider 22 can be controlled by the remote controller 24 to move on the slide rail 23, the light beam emitter 21 is arranged on the track slider 22 and emits a beam of visible light vertically penetrating through the holographic glass (holographic film), and one end of the visible light just falls on the graduated scale 25.
An operator stands in front of the device, observes the virtual stereo image behind the holographic glass (holographic film), can see the concave-convex condition of the virtual image, and at the moment, the operator controls the track slider 22 to move through the remote controller 24, manually moves the visible light to the foremost end and the farthest end of the virtual stereo image, and stops on the graduated scale, and therefore the virtual fixed parallax is quantified.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (5)
1. The device for quantizing the stereoscopic vision degree of the holographic fixed parallax is characterized by comprising a holographic projection mechanism (1) and a measuring mechanism (2), wherein the measuring mechanism (2) is arranged on the holographic projection mechanism (1) and is used for directly quantizing the stereoscopic vision degree of a fixed parallax target in a holographic image;
the holographic projection mechanism (1) comprises a display screen (11), a holographic screen (12) and a holographic projection chip (13), wherein the display screen (11) is connected to one side of the holographic screen (12) and arranged at an angle of 45 degrees; the holographic projection chip (13) is arranged in the display screen (11) and used for putting a holographic image, and the measuring mechanism (2) is arranged above the display screen (11) and the holographic screen (12);
the measuring mechanism (2) comprises a light beam emitter (21), a rail slider (22), a sliding rail (23) and a remote controller (24); the sliding rail (23) is arranged above the display screen (11) and the holographic screen (12); the rail sliding device (22) is connected with the sliding rail (23) in a sliding way; the light beam emitter (21) is fixedly connected with the track glider (22); the remote controller (24) is wirelessly connected with the rail glider (22);
the holographic screen is characterized by further comprising a graduated scale (25), the graduated scale (25) perpendicular to the joint of the display screen (11) and the holographic screen (12) is arranged on the upper surface of the display screen (11), and the graduated scale (25) is parallel to the sliding rail (23);
the slide rail (23) is arranged right above the graduated scale (25);
the light beam emitter (21) emits a light beam perpendicular to the display screen.
2. Holographic fixed parallax stereo vision degree quantification apparatus according to claim 1, wherein the display screen (11) is horizontally disposed.
3. The holographic fixed parallax stereo vision degree quantification apparatus according to claim 2, wherein the holographic screen (12) is holographic glass or a holographic film.
4. Holographic fixed parallax stereo vision quantification apparatus according to claim 3, wherein the display screen (11) is fixedly connected to one side of the holographic screen (12).
5. The holographic fixed parallax stereo vision degree quantifying apparatus according to claim 4, wherein the remote controller (24) and the rail slider (22) are wirelessly connected by Bluetooth.
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| CN202110440324.7A CN112857756B (en) | 2021-04-23 | 2021-04-23 | Holographic fixed parallax stereoscopic vision degree quantizing device |
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