CN114359396B - Stereo image acquisition and display method - Google Patents
Stereo image acquisition and display method Download PDFInfo
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- CN114359396B CN114359396B CN202210269146.0A CN202210269146A CN114359396B CN 114359396 B CN114359396 B CN 114359396B CN 202210269146 A CN202210269146 A CN 202210269146A CN 114359396 B CN114359396 B CN 114359396B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
- G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
- G06T7/75—Determining position or orientation of objects or cameras using feature-based methods involving models
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/30—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving parallax barriers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
- G06K17/0025—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement consisting of a wireless interrogation device in combination with a device for optically marking the record carrier
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T15/00—3D [Three Dimensional] image rendering
- G06T15/005—General purpose rendering architectures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30244—Camera pose
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- Optics & Photonics (AREA)
- Computer Vision & Pattern Recognition (AREA)
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- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
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Abstract
In the field of stereoscopic display, a stereoscopic display needs a parallax image matched with the stereoscopic display to display. Under the condition that the parameters of the stereoscopic display are unknown, a photographer has difficulty in shooting to obtain a parallax image matched with the parameters. Therefore, the invention provides a method for acquiring and displaying a stereoscopic image. The method comprises a three-dimensional display, a server and intelligent mobile equipment on the hardware setting. The three-dimensional display is provided with a two-dimensional code and a network adapter; the intelligent mobile equipment is provided with a two-dimensional code recognition device and is provided with parallax image acquisition and display application; the server records characteristic parameters of each stereoscopic display, and the characteristic parameters comprise the visual point position of the stereoscopic display. The method combines the Internet and the computer application technology to automatically acquire the relevant parameters of the stereoscopic display, and acquires the parallax image which is suitable for the parameter requirements of the stereoscopic display by the technical means of virtual shooting, AI assistance and the like, thereby greatly reducing the user threshold and facilitating the application and popularization of the stereoscopic display.
Description
Technical Field
The invention belongs to the technical field of projection light field stereoscopic display, and particularly relates to a stereoscopic image acquisition and display method.
Background
Generally, a stereoscopic display requires several parallax images for stereoscopic display. The parallax image is usually obtained by shooting a stereoscopic object with a camera array, and the arrangement of the camera array should match with the viewpoint distribution of the stereoscopic display, so that the parallax image has correct parallax. If the parameters of the stereoscopic display are unknown, it is difficult for a photographer to capture a parallax image suitable for the stereoscopic display, and therefore the capturing of the parallax image has a high technical threshold. Therefore, the acquisition of parallax images is a threshold to limit the development of stereoscopic display applications. The invention provides a method for acquiring and displaying a stereoscopic image, which aims to reduce the difficulty of acquiring the parallax image. Specifically, the invention can enable the user who does not contact the stereoscopic display to also obtain the parallax image, thereby greatly reducing the user threshold and facilitating the application and popularization of the stereoscopic display.
Disclosure of Invention
The invention provides a method for acquiring and displaying a stereoscopic image, which aims to solve the problem that a photographer is difficult to acquire a parallax image suitable for a stereoscopic display under the condition that parameters of the stereoscopic display are unknown.
The method comprises a three-dimensional display, a server and intelligent mobile equipment on the hardware setting. The three-dimensional display is provided with a two-dimensional code and a network adapter; any two-dimensional code corresponds to only one stereoscopic display; the intelligent mobile equipment is provided with a two-dimensional code recognition device and is provided with parallax image acquisition and display application; the server records characteristic parameters of each stereoscopic display, and the characteristic parameters comprise the position of a viewpoint of the stereoscopic display.
Types of stereoscopic displays that can be used include, but are not limited to, slit grating 3D displays, lenticular 3D displays, retro-reflective projection array stereoscopic displays, integrated imaging stereoscopic displays, light field stereoscopic displays.
The method comprises the following steps of obtaining and displaying the stereo image.
The first step is as follows: a user uses parallax image acquisition and display application on the intelligent mobile device, calls the two-dimensional code recognition device to scan the two-dimensional code on the stereoscopic display, and selects the stereoscopic display to be used.
The second step is that: and the intelligent mobile equipment communicates with the server and acquires the parallax images according to the selected stereoscopic display. The parallax image acquisition includes at least one of the following three modes.
(1) Secondary rendering mode
Inputting a three-dimensional object model to be displayed by a user; the server sets a virtual camera array through the recorded stereoscopic display characteristic parameters; the virtual camera array shoots a three-dimensional object model input by a user to obtain a parallax image matched with the characteristic parameters of the three-dimensional display.
(2) AI auxiliary mode
Inputting two-viewpoint parallax images by a user, and setting a viewpoint distance matched with the parallax images; the server obtains the parallax image matched with the characteristic parameters of the stereoscopic display according to the recorded characteristic parameters of the stereoscopic display by a traditional method for converting two viewpoints into multiple viewpoints in the field of stereoscopic display.
(3) Advanced mode
The server feeds back the recorded stereoscopic display characteristic parameters to the intelligent mobile equipment end, and the user carries out stereoscopic scene shooting according to the stereoscopic display characteristic parameters to obtain the parallax images.
Optionally, in the secondary rendering mode, the server feeds back the recorded stereoscopic display characteristic parameters to the intelligent mobile device, and the intelligent mobile device sets the virtual camera array according to the stereoscopic display characteristic parameters; the virtual camera array shoots a stereoscopic display model input by a user to obtain a parallax image matched with the characteristic parameters of the stereoscopic display.
Optionally, in the AI auxiliary mode, the server feeds back the stereoscopic display characteristic parameters recorded by the server to the intelligent mobile device, and the intelligent mobile device obtains the parallax image matched with the stereoscopic display characteristic parameters according to the stereoscopic display characteristic parameters by a method of converting two viewpoints into multiple viewpoints in the field of stereoscopic display.
The third step: the parallax images are sent to the stereoscopic display by the network adapter of the stereoscopic display, the intelligent mobile equipment and the server, the stereoscopic display completes the parallax image post-processing according to the characteristic parameters of the stereoscopic display, outputs the stereoscopic images and completes the display.
Therefore, in the secondary rendering mode, a user does not need to have special knowledge of stereoscopic display, and can obtain a parallax image only by providing a stereoscopic object model, such as 3Ds Max modeling and the like; in the AI auxiliary mode, a user does not need to have special knowledge of stereoscopic display, and can obtain a parallax image suitable for a stereoscopic display by only providing a pair of parallax image pairs and a viewpoint distance; finally, in the advanced mode, for advanced users familiar with stereoscopic display, the users can upload parallax images shot by the users according to the requirements of the users. Therefore, the invention can enable a user without special knowledge of stereo display to obtain the parallax image matched with the characteristic parameters of the stereo display, thereby greatly reducing the user threshold and facilitating the application and popularization of the stereo display.
Drawings
FIG. 1 is a diagram of the hardware setup of the present invention.
FIG. 2 is a schematic diagram of the operation of the secondary rendering mode of the present invention.
FIG. 3 is a schematic diagram of a secondary rendering setup according to the present invention.
Fig. 4 is a schematic diagram of the AI assist mode operation according to the present invention.
Fig. 5 is a high level mode operation of the present invention.
Icon: 100-stereoscopic display; 110-two-dimensional code; 120-a network adapter; 200-a smart mobile device; 300-a server; 400-a three-dimensional object model; 500-parallax images; 600-stereoscopic images; 700-virtual camera array; 800-two-viewpoint parallax image.
It should be understood that the above-described figures are merely schematic and are not drawn to scale.
Detailed Description
Example 1: fig. 1 is a method for acquiring and displaying a stereoscopic image according to this embodiment.
The method includes a stereoscopic display 100, a server 300 and an intelligent mobile device 200 in hardware configuration.
The stereoscopic display 100 is provided with a two-dimensional code 110 and a network adapter 120; any two-dimensional code 110 corresponds to only one stereoscopic display 100; the smart mobile device 200 is a smart phone, and has a camera thereon for recognizing the two-dimensional code 110; the intelligent mobile device 200 is provided with a parallax image acquisition and display application; the server 300 records a characteristic parameter of each stereoscopic display 100, and the characteristic parameter includes a viewpoint position of the stereoscopic display 100.
The stereoscopic display 100 employs a lenticular 3D display.
The method comprises the following steps of obtaining and displaying the stereo image.
The first step is as follows: the user uses the parallax image acquisition and display application on the smart mobile device 200, calls the camera to scan the two-dimensional code 110 on the stereoscopic display 100, and selects the stereoscopic display 100 to be used.
The second step is that: the smart mobile device 200 communicates with the server 300 to perform parallax image acquisition according to the selected stereoscopic display 100. The parallax image acquisition includes the following two modes.
(1) Secondary rendering mode
Referring to fig. 2, a user inputs a model 400 of a stereoscopic object to be displayed. Referring to fig. 2 and 3, the server 300 sets the virtual camera array 700 according to the recorded characteristic parameters of the stereoscopic display 100; the virtual camera array 700 photographs the stereoscopic object model 400 input by the user, thereby obtaining a parallax image 500 matching the characteristic parameters of the stereoscopic display 100.
(2) Advanced mode
The server 300 feeds back the recorded characteristic parameters of the stereoscopic display 100 to the smart mobile device 200, and the user performs stereoscopic scene shooting according to the characteristic parameters of the stereoscopic display 100 to obtain the parallax image 500.
The third step: referring to fig. 1, fig. 2 and fig. 5, the server 300 sends the parallax image 500 to the stereoscopic display 100 through the network adaptor 120 of the stereoscopic display 100, and the stereoscopic display 100 completes the parallax image post-processing according to the characteristic parameters thereof, outputs the stereoscopic image 600 and completes the display.
Specifically, in the stereoscopic display 100 in this embodiment, a lenticular 3D display is used, and each image in the parallax image 500 should be alternately arranged in pixel columns to form a parallax composite image, and the parallax composite image is displayed.
Therefore, in the secondary rendering mode, the user does not need to have special knowledge of stereoscopic display, and only needs to provide the stereoscopic object model 400, such as 3Ds Max modeling, and the like, to obtain the parallax image 500; in the advanced mode, an advanced user who is very familiar with stereoscopic display can upload the parallax image 500 photographed by the advanced user according to his/her own needs. Therefore, the invention can enable a user without special knowledge of stereo display to obtain the parallax image 500 matched with the characteristic parameters of the stereo display 100, thereby greatly reducing the user threshold and facilitating the application and popularization of the stereo display.
Example 2: fig. 1 is a method for acquiring and displaying a stereoscopic image according to this embodiment.
The method includes a stereoscopic display 100, a server 300 and an intelligent mobile device 200 in hardware configuration.
The stereoscopic display 100 is provided with a two-dimensional code 110 and a network adapter 120; any two-dimensional code 110 corresponds to only one stereoscopic display 100; the smart mobile device 200 is a smart phone, and has a camera thereon for recognizing the two-dimensional code 110; the intelligent mobile device 200 is provided with a parallax image acquisition and display application; the server 300 records a characteristic parameter of each stereoscopic display 100, and the characteristic parameter includes a viewpoint position of the stereoscopic display 100.
The stereoscopic display 100 employs a projection stereoscopic display.
The method comprises the following steps of obtaining and displaying the stereo image.
The first step is as follows: the user uses the parallax image acquisition and display application on the smart mobile device 200, calls the camera to scan the two-dimensional code 110 on the stereoscopic display 100, and selects the stereoscopic display 100 to be used.
The second step is that: the smart mobile device 200 communicates with the server 300 to perform parallax image acquisition according to the selected stereoscopic display 100. The parallax image acquisition includes the following two modes.
(1) AI auxiliary mode
Referring to fig. 4, a user inputs a two-viewpoint parallax image 800 and sets a viewpoint distance to which the parallax image is matched; the server 300 obtains the parallax image 500 matched with the characteristic parameters of the stereoscopic display 100 according to the recorded characteristic parameters of the stereoscopic display 100 by a conventional method of converting two viewpoints into multiple viewpoints in the field of stereoscopic display.
Specifically, the conventional method of converting two viewpoints into multiple viewpoints in this embodiment is a method of performing point matching on two parallax images in the two-viewpoint parallax image 800, and obtaining the three-dimensional object model 400 of the object by calculating the viewpoint distance; after the stereoscopic object model 400 is obtained, the virtual camera array 700 is set as described with reference to fig. 3, and the stereoscopic object model 400 is photographed to obtain the parallax image 500 matching the characteristic parameters of the stereoscopic display 100.
(2) Advanced mode
The server 300 feeds back the recorded characteristic parameters of the stereoscopic display 100 to the smart mobile device 200, and the user performs stereoscopic scene shooting according to the characteristic parameters of the stereoscopic display 100 to obtain the parallax image 500.
The third step: referring to fig. 1, fig. 4 and fig. 5, the server 300 sends the parallax image 500 to the stereoscopic display 100 through the network adaptor 120 of the stereoscopic display 100, and the stereoscopic display 100 completes the parallax image post-processing according to the characteristic parameters thereof, outputs the stereoscopic image 600 and completes the display.
Specifically, the stereoscopic display 100 in this embodiment adopts a retro-reflective projection array stereoscopic display, and each image of the parallax image 500 is sent to each projector for projection, so as to output the stereoscopic image 600 and complete the display.
Therefore, in the AI auxiliary mode, the user does not need to have special knowledge for stereoscopic display, and can obtain the parallax image 500 suitable for the stereoscopic display 100 by only providing the two-viewpoint parallax image 800 pair and the viewpoint distance; in the advanced mode, an advanced user who is very familiar with stereoscopic display can upload the parallax image 500 photographed by the advanced user according to his/her own needs. Therefore, the invention can enable a user without special knowledge of stereo display to obtain the parallax image 500 matched with the characteristic parameters of the stereo display 100, thereby greatly reducing the user threshold and facilitating the application and popularization of the stereo display.
Claims (3)
1. A method for acquiring and displaying a stereoscopic image is characterized in that: the method comprises a three-dimensional display, a server and intelligent mobile equipment on the hardware setting; the three-dimensional display is provided with a two-dimensional code and a network adapter; any two-dimensional code corresponds to only one stereoscopic display; the intelligent mobile equipment is provided with a two-dimensional code recognition device and is provided with parallax image acquisition and display application; recording characteristic parameters of each stereoscopic display on the server, wherein the characteristic parameters comprise the visual point position of the stereoscopic display;
the method comprises the following steps of obtaining and displaying a stereo image:
the first step is as follows: a user uses parallax image acquisition and display application on the intelligent mobile equipment, calls a two-dimensional code recognition device to scan a two-dimensional code on a stereoscopic display, and selects the stereoscopic display to be used;
the second step is that: the intelligent mobile equipment communicates with the server and acquires parallax images according to the selected stereoscopic display; the parallax image acquisition at least comprises one of the following three modes:
(1) a secondary rendering mode user inputs a three-dimensional object model needing to be displayed; the server sets a virtual camera array through the recorded stereoscopic display characteristic parameters; the virtual camera array shoots a three-dimensional object model input by a user to obtain a parallax image matched with the characteristic parameters of the three-dimensional display;
(2) inputting a two-viewpoint parallax image by an AI auxiliary mode user, and setting a viewpoint distance matched with the parallax image; the server obtains a parallax image matched with the characteristic parameters of the stereoscopic display according to the recorded characteristic parameters of the stereoscopic display by a traditional method of converting two viewpoints into multiple viewpoints in the field of stereoscopic display;
(3) the advanced mode server feeds back the recorded stereoscopic display characteristic parameters to the intelligent mobile equipment end, and a user carries out stereoscopic scene shooting according to the stereoscopic display characteristic parameters to obtain a parallax image; the third step: the parallax images are sent to the stereoscopic display by the network adapter of the stereoscopic display, the intelligent mobile equipment and the server, the stereoscopic display completes the parallax image post-processing according to the characteristic parameters of the stereoscopic display, outputs the stereoscopic images and completes the display.
2. A method of stereoscopic image acquisition and display as claimed in claim 1, characterized in that:
in the secondary rendering mode, the server feeds back the recorded stereoscopic display characteristic parameters to the intelligent mobile equipment end, and the intelligent mobile equipment sets the virtual camera array according to the stereoscopic display characteristic parameters; the virtual camera array shoots a stereoscopic display model input by a user to obtain a parallax image matched with the characteristic parameters of the stereoscopic display.
3. A method of stereoscopic image acquisition and display as claimed in claim 1, characterized in that:
and under the AI auxiliary mode, the server feeds back the recorded characteristic parameters of the stereoscopic display to the intelligent mobile equipment terminal, and the intelligent mobile equipment terminal obtains the parallax image matched with the characteristic parameters of the stereoscopic display according to the characteristic parameters of the stereoscopic display by a method of converting two viewpoints into multiple viewpoints in the field of stereoscopic display.
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