CN107517371A - Rotating panel shows three-dimensional image system and display methods - Google Patents
Rotating panel shows three-dimensional image system and display methods Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 17
- 230000000007 visual effect Effects 0.000 claims abstract description 19
- 230000001788 irregular Effects 0.000 claims description 13
- 230000003068 static effect Effects 0.000 claims description 9
- 230000011218 segmentation Effects 0.000 claims description 5
- 206010047571 Visual impairment Diseases 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000013500 data storage Methods 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 230000001815 facial effect Effects 0.000 description 7
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- 238000005516 engineering process Methods 0.000 description 4
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- 230000007547 defect Effects 0.000 description 2
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- 239000000725 suspension Substances 0.000 description 2
- 241001580947 Adscita statices Species 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
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- 239000011229 interlayer Substances 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
- H04N13/122—Improving the 3D impression of stereoscopic images by modifying image signal contents, e.g. by filtering or adding monoscopic depth cues
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/10—Processing, recording or transmission of stereoscopic or multi-view image signals
- H04N13/106—Processing image signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
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Abstract
A kind of rotating panel shows three-dimensional image system, including image processing control unit, rotating panel display unit, image information acquisition unit, motor machine assembly；Image processing control unit is electrically connected image information acquisition unit and rotating panel display unit；Image information acquisition unit is received and handles 3-D view input signal generation three-dimensional image data flow, and three-dimensional image data flow is sent to image processing control unit；Image processing control unit is parsed, stored and formed real-time image information to three-dimensional image data flow, and real-time image information is sent to rotating panel display unit；Rotating panel display unit is connected with motor machine assembly by machine shaft, is rotated under the drive of machine shaft, forms the three-dimensional image with space multistory sense.The present invention can be achieved at low cost 360 ° of three-dimensional image display effects without visual angle obstacle of observer.
Description
Technical Field
The present invention relates to a graphic display technology, and in particular, to a system and a method for displaying a three-dimensional image on a rotating panel.
Background
In recent years, 3D stereoscopic display technology has become popular in more and more situations. Compared with the common 2D picture display, the 3D stereo display technology can make the picture become stereo and vivid, the image is not limited to the screen plane any more, and the image seems to be capable of going out of the screen, so that the audience has a feeling of being personally on the scene.
The basic principle of the existing 3D stereoscopic display technology is similar, and different pictures are received by the left and right of human eyes respectively, and then the image information is superimposed and reproduced by the brain to form an image with stereoscopic effects of front and back, up and down, left and right, far and near, and the like.
In order to achieve the above effect, expensive 3D stereoscopic image generation equipment is often required to be equipped, and viewers generally need to wear similar 3D glasses, and the viewing angle is single, so that the viewers cannot see all angles of the 3D stereoscopic picture, and the user experience is not good.
While the real world is a three-dimensional stereoscopic world with width, height and depth, people prefer to observe stereoscopic images displayed in a real three-dimensional space.
Disclosure of Invention
Therefore, to solve the above-mentioned drawbacks and disadvantages of the prior art, an embodiment of the present invention provides a system for displaying three-dimensional stereoscopic images on a rotating panel, including: an image processing control unit (11), a rotating panel display unit (12), an image information acquisition unit (13), and a motor mechanical unit (14); wherein,
the image processing control unit (11) is electrically connected with the image information acquisition unit (13) and the rotating panel display unit (12) respectively; the image information acquisition unit (13) receives and processes the three-dimensional image input signal to generate a three-dimensional image data stream, and sends the three-dimensional image data stream to the image processing control unit (11);
the image processing control unit (11) analyzes and stores the three-dimensional image data stream, forms real-time image information and sends the real-time image information to the rotating panel display unit (12);
the rotating panel display unit (12) is connected with the motor mechanical unit (14) through a motor rotating shaft, and rotates under the driving of the motor rotating shaft at a rotating speed matched with that of the rotating panel display unit (12) to form a three-dimensional image with a spatial three-dimensional effect.
In the system for displaying three-dimensional stereo images by a rotating panel, an image processing control unit (11) comprises a data information source file input device (111), a control command processor (112), an image data distribution device (113), an image data wireless transmitting device (114) and a data storage device (115);
the rotary panel display unit (12) comprises an image data wireless receiving device (121), a driving control device (122) and a panel display device (123);
the image information acquisition unit (13) comprises an ASE file output device (132), a static regular three-dimensional image data source (131), a static irregular three-dimensional image data source (133), a dynamic three-dimensional video data source (135), a dynamic scene interaction processing device (136) and a data generation tool (134);
the motor mechanical unit (14) includes a motor drive device (143), a rotational speed control device (141), and a mechanical operation panel (142).
In the system for displaying three-dimensional stereo images by the rotating panel, which is provided by the embodiment of the invention, the image processing control unit (11) is in communication connection with the rotating panel display unit (12) through a wireless transmission link.
In the system for displaying a three-dimensional image by a rotating panel, provided by the embodiment of the invention, the format of a three-dimensional image data stream is an ASE file format.
In the system for displaying the three-dimensional image by the rotating panel, which is provided by the embodiment of the invention, the rotating panel display unit (12) is powered by a cable led out from the center of a rotating shaft of a motor through a rectifier filter circuit, or is powered by a brush, or is powered by magnetic suspension.
In the system for displaying three-dimensional images by using the rotating panel, the panel display device (123) of the rotating panel display unit (12) is a single-sided display panel, or a back-to-back double-display panel, or an elliptic cylindrical display panel.
In the system for displaying three-dimensional images on a rotating panel, which is provided by the embodiment of the invention, the motor mechanical unit (14) further comprises a base and a rotating bracket, wherein the rotating bracket is respectively connected with a motor connected to the base and a panel display device (123), and the panel display device (123) is driven to rotate by the motor.
The invention provides a three-dimensional image display method, which comprises the following steps:
preprocessing the three-dimensional image to form a three-dimensional columnar three-dimensional image;
and carrying out rotation segmentation processing on the three-dimensional columnar stereo image so as to realize the display of the three-dimensional stereo image.
The invention provides a three-dimensional image display method, which carries out rotation segmentation on a three-dimensional columnar stereo image and comprises the following steps:
establishing a scanning surface vertical to a horizontal plane in a coordinate system of the three-dimensional columnar stereo image;
rotating the scanning surface by taking the central line of the scanning surface as a rotating shaft, wherein the rotating direction and the rotating speed are the same as those of a physical display screen for displaying the three-dimensional image;
intersecting each frame of the scanning surface with the three-dimensional image to obtain a section contour line;
the continuous section contour lines form a three-dimensional image under the action of the visual afterimage.
The invention can realize the three-dimensional image display effect of 360 degrees without visual angle obstacle of the observer with low cost, and avoids the cost increase or the uncomfortable reaction of the observer caused by additional equipment.
Drawings
In order to more clearly illustrate the present invention or the technical solutions of the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. The following detailed description of embodiments of the invention will be made with reference to the accompanying drawings.
FIG. 1 is a prior art scheme for driving a flat display panel;
FIG. 2 is a schematic structural diagram of a system for displaying three-dimensional graphics on a rotating panel according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a motor-mechanical unit (14) and a rotating panel display unit (12) according to an embodiment of the present invention;
FIG. 4 is a diagram illustrating a visual effect of a circle in a static state according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating the visual effect of a circular figure in a rotated state according to an embodiment of the present invention;
FIG. 6 is a front plan profile view of an irregular facial relief provided by an embodiment of the present invention;
FIG. 7 is a plan profile view of the irregular facial relief rotated 1 around the central axis according to one embodiment of the present invention;
FIG. 8 is a plan profile view of the irregular facial relief rotated 2 about the central axis according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of another rotating panel display three-dimensional graphics system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will clearly and completely describe the technical solutions of the present invention with reference to the accompanying drawings of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
Fig. 1 is a prior art scheme for driving a flat display panel. In the existing scheme, a 3D image driving machine core drives a flat display panel through LVDS or TTL signals, and the scheme has the defects that panoramic 3D stereo images acquired by 360-degree shooting cannot be completely displayed on the flat or curved display panel, so that the defect of visual angle blind spots is caused to a viewer, and complete user experience cannot be brought to the viewer.
Fig. 2 is a schematic structural diagram of a system for displaying a three-dimensional stereo graphic by a rotating panel according to an embodiment of the present invention. As shown in fig. 2, the three-dimensional stereo graphic system provided by the present embodiment includes:
an image processing control unit (11), a rotating panel display unit (12), an image information acquisition unit (13), and a motor mechanical unit (14); wherein,
the image processing control unit (11) is electrically connected with the image information acquisition unit (13) and the rotating panel display unit (12) respectively; the image information acquisition unit (13) receives and processes the three-dimensional image input signal to generate a three-dimensional image data stream, and sends the three-dimensional image data stream to the image processing control unit (11);
the image processing control unit (11) analyzes and stores the three-dimensional image data stream, forms real-time image information and sends the real-time image information to the rotating panel display unit (12);
the rotating panel display unit (12) is connected with the motor mechanical unit (14) through a motor rotating shaft, and rotates under the driving of the motor rotating shaft at a rotating speed matched with that of the rotating panel display unit (12) to form a three-dimensional image with a spatial three-dimensional effect.
Further, please refer to fig. 9. Fig. 9 is a schematic structural diagram of another rotating panel display three-dimensional graphics system according to an embodiment of the present invention. As shown in fig. 9, the image processing control unit (11) includes a data information source file input device (111), a control command processor (112), an image data distribution device (113), an image data wireless transmission device (114), and a data storage device (115);
the rotary panel display unit (12) comprises an image data wireless receiving device (121), a driving control device (122) and a panel display device (123);
the image information acquisition unit (13) comprises an ASE file output device (132), a static regular three-dimensional image data source (131), a static irregular three-dimensional image data source (133), a dynamic three-dimensional video data source (135), a dynamic scene interaction processing device (136) and a data generation tool (134);
the motor mechanical unit (14) includes a motor drive device (143), a rotational speed control device (141), and a mechanical operation panel (142).
In the scheme provided by the embodiment, the motor mechanical unit (14) drives the rotary panel display unit (12) to rotate according to the human visual persistence principle, so that a display state with spatial stereo is generated by a human in terms of visual effect, a displayed graph floats in the air, a viewer can stand at any angle to watch the graph, viewing dead angles are completely avoided, and the visual impact and excellent user experience are brought to the viewer, so that the viewer is personally on the scene and can reach the touch. The embodiment can be applied to the fields of video entertainment, education and teaching, commercial exhibition, medical illustration, household digital photo frames, video phones and the like by combining the development demands of all the fields.
The persistence phenomenon of vision is also called afterglow effect, when human eyes observe a scene, a light signal is transmitted into cerebral nerves, a short time is needed, after the action of light is finished, the visual image cannot disappear immediately, the popular point is that when the human eyes receive the light signal of the second millisecond, the perception excited in the cerebral visual nerve cells by the first millisecond, namely the first millisecond still exists, the speed between the two milliseconds exceeds the speed limit of brain cell judgment, then the brain cells make virtual judgment, a little five-millisecond fantasy feeling exists between the two milliseconds, and then the vision is coherent and moves. Persistence of vision techniques have been used in many sports applications, such as television, movies, animation, neon, and the like. The persistence of vision phenomenon is simulated because the light they emit is a quick single incoherent light unit or an incoherent image of a unit at a time, but the illusion of coherent light and coherent image is produced by the human brain. The three-dimensional figure display system is designed according to the principle of human persistence of vision, mainly solves the visual angle obstacle existing in the application of 3D figure display in various fields, can bring new experience to a viewer, is a 360-degree three-dimensional figure display system without the visual angle obstacle, and enables the viewer to stand at any angle for viewing.
Further, in the embodiment provided by the present invention, the image processing control unit (11) is communicatively connected to the rotating panel display unit (12) through a wireless transmission link.
Further, in the embodiment provided by the present invention, the format of the three-dimensional stereoscopic image data stream is an ASE file format.
Further, in the embodiment provided by the invention, the rotating panel display unit (12) is powered by a cable led out from the center of the rotating shaft of the motor through a rectifier filter circuit, or is powered by a brush, or is powered by magnetic suspension. Such a power supply method is prior art and will not be described herein.
Further, in the embodiment provided by the invention, the panel display device (123) of the rotating panel display unit (12) is a single-sided display panel, or a back-to-back dual display panel, or an elliptic cylindrical display panel.
Further, in the embodiment provided by the invention, the motor mechanical unit (14) further comprises a base and a rotating bracket, wherein the rotating bracket is respectively connected with a motor connected to the base and the panel display device (123), and the panel display device (123) is driven to rotate by the motor.
In the system for displaying three-dimensional graphics by a rotating panel, a three-dimensional image generation principle is adopted, the three-dimensional image space is a columnar three-dimensional space, and spatial pixels are realized by rotating and dividing the columnar space, namely, a scanning surface vertical to a horizontal plane is established in a three-dimensional image coordinate system, the scanning surface and an actual physical display screen perform the same operation by taking a central line of the scanning surface as a rotating shaft, each frame of the scanning surface is intersected with the three-dimensional image to obtain a section contour line, and the continuous section contour lines are combined into the three-dimensional image under the action of visual afterimage.
The embodiment of the invention also provides a three-dimensional image display method, which comprises the following steps:
preprocessing the three-dimensional image to form a three-dimensional columnar three-dimensional image;
and performing rotation segmentation processing on the three-dimensional columnar stereo image to realize the display of the three-dimensional stereo image.
Further, in the method for displaying a three-dimensional stereoscopic image according to the embodiment of the present invention, the rotating and dividing of the three-dimensional cylindrical stereoscopic image may be specifically implemented as follows:
establishing a scanning surface vertical to a horizontal plane in a coordinate system of the three-dimensional columnar stereo image;
rotating the scanning surface by taking the central line of the scanning surface as a rotating shaft, wherein the rotating direction and the rotating speed are the same as those of a physical display screen for displaying a three-dimensional image;
intersecting each frame of scanning surface with the three-dimensional image to obtain a section contour line;
the continuous section contour lines form a three-dimensional image under the action of the visual afterimage.
Further, in the method for displaying a three-dimensional stereoscopic image according to the embodiment of the present invention, a scan plane perpendicular to a horizontal plane is established in a coordinate system of a three-dimensional cylindrical stereoscopic image, which may specifically be:
establishing an octree Tobject structure of the three-dimensional image and an octree Tscan structure of each frame of scanning surface, wherein the number of the Tscan structures is the same as that of the scanning surfaces, and the depth of the octree and the number of the scanning surfaces are both matched with the resolution of the physical display screen;
further, in the method for displaying a three-dimensional stereoscopic image according to the embodiment of the present invention, the intersection processing is performed on each frame of the scan plane and the three-dimensional stereoscopic image, and specifically, the intersection processing may be:
calling out Tobject from each frame of scanning surface to compare with Tscan, marking the required section outline as full, and keeping the rest as empty, and storing the result as Tresult in an octree form;
changing the octree structure into a queue structure, comparing Tresult with Tscan, outputting contour line data in a plane where a scanning surface is located, and storing the result in a queue Liner;
and sorting the data in the Liner and storing the data as matrix output.
Fig. 3 is a schematic structural diagram of a display unit according to an embodiment of the present invention. As shown in fig. 3, the display unit provides a rotatable display panel that is rotated by a rotation bracket connected to a motor unit. The interlayer of the display panel may fix circuit boards of the image processing unit and the control unit. The rotating panel is not limited to a single face or two back-to-back panels, but may be an oval cylindrical panel. Designed according to the principle of human vision persistence, the vision persistence time of human eyes is 0.02S. If the high-speed motor drives the display panel to rotate under the condition of 3000 revolutions per second, a display state with space stereo can be generated by people from the visual effect, and therefore 360-degree omnibearing display of a three-dimensional stereo graph is formed. The viewer can stand at any angle to watch the glasses, and the viewing dead angle is completely avoided. If a three-dimensional stereo figure can be described by regular figure and irregular figure, the display principle of the system is as follows:
a. static regular three-dimensional stereo image
Take a circular shape as an example. Fig. 4 is a visual effect diagram of a circular figure in a static state. Fig. 5 is a view of the visual effect of the circular figure in a rotated state. The circular pattern is rotated at high speed of 3000 rpm around an axis of symmetry, visually we see that a ball is formed. Therefore, the image processing unit of the system outputs a circular signal to be displayed on the panel, and the display panel visually sees a solid figure forming a ball at a high speed of 3000 rpm.
b. Static irregular three-dimensional stereo image
Take facial head portrait as an example. Fig. 6 is a front plan profile view of an irregular facial relief. Fig. 7 is a plan profile view of the irregular facial solid figure rotated by 1 ° about the central axis. Fig. 8 is a plan profile view of the irregular facial solid figure rotated 2 ° about the central axis. When rotated to 360 ° around the central axis, the outline of the graphics plane as seen from the front side returns to the picture shown in fig. 6. Therefore, an irregular solid figure collected by 360-degree panoramic shooting is divided into N continuous figure section profiles through an analytical algorithm of the system image processing control unit, the number of sections or scanning surfaces depends on the resolution of a physical display screen, if a two-dimensional panel with 1920-1080 resolution is adopted, the ideal value of the cutting surface is 1920-3.14/2, and the continuous figure cutting surface profiles continuously output one figure profile at the time of each interval (1S/3000 r/360 degrees). The motor drives the display panel to rotate at the rotating speed of 3000/second, and the 360-degree panoramic three-dimensional display effect of the irregular three-dimensional graph is visually seen.
c. Dynamic three-dimensional video
The dynamic three-dimensional video, for example, the motion image is 30 frames/second, and after being restored to 30 continuous three-dimensional images through dynamic interactive processing, the dynamic three-dimensional video is implemented according to the above cases, and finally shows a dynamic three-dimensional image effect.
In summary, the principle and embodiments of the present invention are described herein by using specific examples, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention, and the scope of the present invention should be subject to the appended claims.
Claims (9)
1. A rotating panel display three-dimensional stereoscopic image system, comprising: an image processing control unit (11), a rotating panel display unit (12), an image information acquisition unit (13), and a motor mechanical unit (14); wherein,
the image processing control unit (11) is electrically connected with the image information acquisition unit (13) and the rotating panel display unit (12) respectively; the image information acquisition unit (13) receives and processes a three-dimensional image input signal to generate a three-dimensional image data stream, and sends the three-dimensional image data stream to the image processing control unit (11);
the image processing control unit (11) analyzes and stores the three-dimensional image data stream, forms real-time image information, and sends the real-time image information to the rotating panel display unit (12);
the rotating panel display unit (12) is connected with the motor mechanical unit (14) through a motor rotating shaft, and rotates at a rotating speed matched with that of the rotating panel display unit (12) under the driving of the motor rotating shaft to form a three-dimensional image with a spatial stereoscopic impression.
2. The three-dimensional stereoscopic image system according to claim 1, wherein the image processing control unit (11) comprises a data information source file input means (111), a control command processor (112), an image data distribution means (113), an image data wireless transmission means (114), and a data storage means (115).
3. The three-dimensional stereoscopic image system according to claim 1, wherein the rotating panel display unit (12) includes an image data wireless receiving device (121), a drive control device (122), and a panel display device (123).
4. The three-dimensional stereoscopic image system as claimed in claim 1, wherein the image information acquiring unit (13) includes an ASE file outputting device (132), a static regular three-dimensional image data source (131), a static irregular three-dimensional image data source (133), a dynamic three-dimensional video data source (135), a dynamic scene interaction processing device (136), and a data generating tool (134).
5. The three-dimensional stereoscopic image system according to claim 1, wherein the electromechanical unit (14) includes an electric motor driving device (143), a rotational speed control device (141), and a mechanical operation panel (142).
6. A three-dimensional stereoscopic image system according to claim 3, wherein the panel display device (123) of the rotating panel display unit (12) is a single-sided display panel, or a back-to-back dual display panel, or an elliptical pillar display panel.
7. The three-dimensional stereoscopic image system according to claim 5, wherein the motor mechanism unit (14) further comprises a base and a rotary stand, wherein the rotary stand is connected to a motor connected to the base and the panel display device (123), respectively, and drives the panel display device (123) to rotate by the motor.
8. A method for displaying a three-dimensional stereoscopic image, comprising:
preprocessing the three-dimensional image to form a three-dimensional columnar three-dimensional image;
and carrying out rotation segmentation processing on the three-dimensional columnar stereo image so as to realize the display of the three-dimensional stereo image.
9. The display method according to claim 8, wherein the performing the rotational segmentation on the three-dimensional cylindrical stereoscopic image comprises:
establishing a scanning surface vertical to a horizontal plane in a coordinate system of the three-dimensional columnar stereo image;
rotating the scanning surface by taking the central line of the scanning surface as a rotating shaft, wherein the rotating direction and the rotating speed are the same as those of a physical display screen for displaying the three-dimensional image;
intersecting each frame of the scanning surface with the three-dimensional image to obtain a section contour line;
the continuous section contour lines form a three-dimensional image under the action of the visual afterimage.
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| CN108399865A (en) * | 2018-03-22 | 2018-08-14 | 朱平齐 | A kind of electronic display unit reproducing article 3-dimensional image |
| CN111447433A (en) * | 2020-03-24 | 2020-07-24 | 京东方科技集团股份有限公司 | Display device, data generation device and method, and display system |
| US11831860B2 (en) | 2020-03-24 | 2023-11-28 | Beijing Boe Optoelectronics Technology Co., Ltd. | Displaying device, device and method for generating data, and displaying system |
| CN116647660A (en) * | 2023-06-15 | 2023-08-25 | 广州科伊斯数字技术有限公司 | Three-dimensional image display method |
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Application publication date: 20171226 |