CN116931407A - Imaging method of holographic imaging display device and holographic imaging display device - Google Patents

Imaging method of holographic imaging display device and holographic imaging display device Download PDF

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Publication number
CN116931407A
CN116931407A CN202310919890.5A CN202310919890A CN116931407A CN 116931407 A CN116931407 A CN 116931407A CN 202310919890 A CN202310919890 A CN 202310919890A CN 116931407 A CN116931407 A CN 116931407A
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image
holographic
reflection
target
generator
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宋思远
穆欣炬
马中生
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Yiwu Qingyue Optoelectronic Technology Research Institute Co Ltd
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Yiwu Qingyue Optoelectronic Technology Research Institute Co Ltd
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/0005—Adaptation of holography to specific applications
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/04—Architecture, e.g. interconnection topology
    • G06N3/0475—Generative networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/08—Learning methods
    • G06N3/094—Adversarial learning
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/0005—Adaptation of holography to specific applications
    • G03H2001/0088—Adaptation of holography to specific applications for video-holography, i.e. integrating hologram acquisition, transmission and display

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Evolutionary Computation (AREA)
  • Artificial Intelligence (AREA)
  • Biomedical Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Data Mining & Analysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Software Systems (AREA)
  • Holo Graphy (AREA)

Abstract

The embodiment of the application discloses an imaging method of a holographic imaging display device and the holographic imaging display device, wherein the imaging method comprises the following steps: acquiring a target two-dimensional image of a target object; the target two-dimensional image is imported into a reflection holographic recording image generator to obtain a simulated reflection holographic recording image of the target object; and utilizing the electrochromic film device to project a simulated reflection holographic record image under a set illumination condition to form a holographic image of the target object, wherein the set illumination condition at least comprises a white light illumination condition. According to the application, the electrochromic film device is used for projecting the simulated reflection holographic recorded image to obtain the holographic image of the target object, so that the technical problem that the imaging application range of the holographic image is limited only under the specific illumination condition in the prior art is solved, and the technical effect of displaying the holographic image under white light rapidly, simply, conveniently and clearly is realized.

Description

Imaging method of holographic imaging display device and holographic imaging display device
Technical Field
The embodiment of the application relates to the technical field of holographic imaging, in particular to an imaging method of a holographic imaging display device and the holographic imaging display device.
Background
Holography is a novel display technique for projecting three-dimensional stereoscopic images in three-dimensional space. The hologram is basically divided into two steps: recording and reproducing; the holographic recording is to project laser beams onto a recording medium and an object to be recorded respectively, and the two beams interfere with each other to form interference fringes on the recording medium so as to form a holographic recording image; in the reproduction stage, the holographic recording pattern is irradiated by a beam of laser light identical to that projected onto the recording medium, and a stereoscopic image of the recorded object is reproduced.
However, in the image reproduction stage, stereoscopic imaging of an object needs to be clearly presented under a certain color of illumination condition, so that it is difficult to reproduce a hologram under daily white light irradiation.
Disclosure of Invention
The embodiment of the application provides an imaging method of a holographic imaging display device and the holographic imaging display device, which solve the technical problem that the application range of imaging is limited in the prior art that hologram imaging can be performed only under specific illumination conditions.
The embodiment of the application provides an imaging method of a holographic imaging display device, which comprises the following steps:
acquiring a target two-dimensional image of a target object;
the target two-dimensional image is led into a reflection hologram recording image generator to obtain a simulated reflection hologram recording image of the target object, wherein the reflection hologram recording image generator is an image generator obtained based on generation of countermeasure network training;
and projecting the simulated reflection holographic record image by using an electrochromic film device under a set illumination condition to form a holographic image of the target object, wherein the set illumination condition at least comprises a white light illumination condition.
Further, the training method of the reflection hologram image generator comprises the following steps:
acquiring image data sets of a preset number of shooting objects;
training the image data set by utilizing the generation countermeasure network to obtain the reflection hologram record image generator.
Further, acquiring the preset number of image datasets comprises:
shooting by using a laser interference system after beam expansion to obtain a two-dimensional image of the shooting object and an actual reflection holographic recording image, wherein the two-dimensional image of the shooting object comprises a two-dimensional image of a scene where the shooting object is located and a two-dimensional image of the shooting object;
recording a two-dimensional image of the shooting object and an actual reflection hologram recording image as one data set, and taking a preset number of data sets as the image data set.
Further, training the image dataset with the generation countermeasure network, resulting in the reflection hologram image generator comprising:
inputting a two-dimensional image of a shooting object in the image data set and a two-dimensional image of a scene where the shooting object is located to generate an countermeasure network generator, and obtaining a virtual reflection holographic record image of the shooting object;
classifying and training the virtual reflection holographic record image and the actual reflection holographic record image of the corresponding shooting object in the image dataset by using a discriminator;
and repeatedly performing classification training on the virtual reflection holographic record image generated by the generated countermeasure network generator by using a discriminator until the difference degree between the virtual reflection holographic record image generated by the generated countermeasure network generator through the two-dimensional image and the corresponding actual reflection holographic record image is smaller than a preset difference degree, and then the generated countermeasure network generator is the reflection holographic record image generator.
Further, acquiring the target two-dimensional image of the target object includes:
and acquiring target two-dimensional images of the target object by using an image acquisition unit, wherein the target two-dimensional images comprise a plurality of self two-dimensional images of the target object and two-dimensional images of scenes where the target object is located.
The embodiment of the application also provides a holographic imaging display device, which comprises:
the image acquisition unit is used for acquiring a target two-dimensional image of a target object;
the simulated image generation unit is used for guiding the target two-dimensional image into a reflection hologram record image generator to obtain a simulated reflection hologram record image of the target object, wherein the reflection hologram record image generator is an image generator obtained based on generation of countermeasure network training;
and the holographic imaging unit is used for projecting the simulated reflection holographic recording image by utilizing the electrochromic film device under the set illumination condition to form a holographic image of the target object, wherein the set illumination condition at least comprises a white light illumination condition.
Further, the holographic imaging unit comprises the electrochromic thin film device and a transparent conductive substrate;
the transparent conductive substrate enables the electrochromic thin film device to have a pixel-like gray scale display function through an etching technology.
The embodiment of the application also provides a skin wearing device, which comprises the holographic imaging display device in any embodiment.
Embodiments of the present application also provide a computer readable storage medium storing computer instructions for causing a processor to implement the imaging method of the holographic imaging display device described in any of the above embodiments when executed.
The embodiment of the application discloses an imaging method of a holographic imaging display device and the holographic imaging display device, wherein the imaging method comprises the following steps: acquiring a target two-dimensional image of a target object; the method comprises the steps of importing a target two-dimensional image into a reflection holographic recording image generator to obtain a simulated reflection holographic recording image of a target object, wherein the reflection holographic recording image generator is an image generator obtained based on generation of countermeasure network training; and utilizing the electrochromic film device to project a simulated reflection holographic record image under a set illumination condition to form a holographic image of the target object, wherein the set illumination condition at least comprises a white light illumination condition. According to the application, the electrochromic film device is used for projecting the simulated reflection holographic recorded image to obtain the holographic image of the target object, so that the technical problem that the imaging application range of the holographic image is limited only under the specific illumination condition in the prior art is solved, and the technical effect of displaying the holographic image under white light rapidly, simply, conveniently and clearly is realized.
Drawings
FIG. 1 is a flow chart of an imaging method of a holographic imaging display device provided in an embodiment of the present application;
fig. 2 is a block diagram of a holographic imaging display device according to an embodiment of the present application.
Detailed Description
The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present application are shown in the drawings.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and in the drawings are used for distinguishing between different objects and not for limiting a particular order. The following embodiments of the present application may be implemented individually or in combination with each other, and the embodiments of the present application are not limited thereto.
Fig. 1 is a flowchart of an imaging method of a holographic imaging display device according to an embodiment of the present application.
As shown in fig. 1, the imaging method of the holographic imaging display device specifically includes the following steps:
s101, acquiring a target two-dimensional image of a target object.
Optionally, S101, acquiring the target two-dimensional image of the target object includes: and acquiring target two-dimensional images of the target objects by using an image acquisition unit, wherein the target two-dimensional images comprise self two-dimensional images of the plurality of target objects and two-dimensional images of scenes where the plurality of target objects are located.
Specifically, in order to generate the sharpness and the fidelity of the hologram, a plurality of two-dimensional images of different angles may be acquired when the target two-dimensional image of the target object is acquired by the image acquisition unit.
S102, the target two-dimensional image is imported into a reflection hologram recording image generator to obtain a simulated reflection hologram recording image of the target object, wherein the reflection hologram recording image generator is an image generator obtained based on generation of countermeasure network training.
Specifically, the acquired target two-dimensional image is introduced into a reflection hologram image generator trained by a generation countermeasure network (Generative Adversarial Networks, GAN) to obtain a simulated reflection hologram image of the target object.
S103, utilizing the electrochromic film device to project a simulated reflection holographic record image under the set illumination condition to form a holographic image of the target object, wherein the set illumination condition at least comprises a white light illumination condition.
Specifically, the electrochromic thin film device can automatically regulate and control optical and thermal radiation characteristics under the excitation of an external electric field, the transparent conductive substrate can ensure the pixel-like driving of the electrochromic thin film device through an etching technology, and the electrochromic thin film device can have the gray scale display effect of the pixel-like. Therefore, under the condition of white light, the simulated reflection holographic recording image can be displayed in an electrochromic mode through electric modulation, and the effect of clearly forming the holographic image of the target object under the condition of white light is realized. Meanwhile, the flexibility of the holographic display material of the holographic imaging display device can be ensured by utilizing the flexible material characteristic of the electrochromic film device so as to accord with skin wearing.
According to the application, the electrochromic film device is used for projecting the simulated reflection holographic recorded image to obtain the holographic image of the target object, so that the technical problem that the imaging application range of the holographic image is limited only under the specific illumination condition in the prior art is solved, and the technical effect of displaying the holographic image under white light rapidly, simply, conveniently and clearly is realized.
On the basis of the technical schemes, the training method of the reflection hologram recording image generator comprises the following steps: acquiring image data sets of a preset number of shooting objects; training the image data set by utilizing a generation countermeasure network to obtain a reflection hologram record image generator.
Specifically, the image dataset of the shooting object comprises an actual reflection holographic recording image and a two-dimensional image, wherein the actual reflection holographic recording image is shot by using a laser interference system after beam expansion, and the shooting object forms a diffuse object beam under the irradiation of laser; the other part of laser light is used as a reference beam to be emitted onto the holographic negative film and is overlapped with the object beam to generate interference. The phase and amplitude of each point on the object light wave are converted into spatially varying intensities, so that the contrast and spacing between interference fringes are used to record the complete information of the object light wave. The negative film recorded with interference fringes is subjected to processing procedures such as development, fixation and the like to form an actual hologram. Two-dimensional images are taken from different angles using image acquisition devices such as cameras or video cameras.
Optionally, acquiring the preset number of image datasets comprises: shooting by using the laser interference system after beam expansion to obtain a two-dimensional image of a shooting object and an actual reflection holographic recording image, wherein the two-dimensional image of the shooting object comprises a two-dimensional image of a scene where the shooting object is located and a two-dimensional image of the shooting object; a two-dimensional image of a subject and an actual reflection hologram recording image are recorded as one data set, and a predetermined number of data sets are used as image data sets.
Specifically, an actual reflection hologram recorded image of a photographic subject is acquired, and a two-dimensional image of each photographic subject at a different photographic angle is acquired. Recording an actual reflection hologram of the same shooting object and a plurality of two-dimensional images with different angles as a data set; and collecting a predetermined number of data sets to form an image dataset.
For the sake of reality and definition of holographic imaging, the two-dimensional images of different shooting angles include not only the two-dimensional images of the shooting object, but also the two-dimensional images of the scene where the shooting object is located.
Optionally, training the image dataset with the generation countermeasure network to obtain the reflection hologram image generator comprises: inputting a two-dimensional image of a shooting object in the image data set and a two-dimensional image of a scene where the shooting object is positioned to generate an countermeasure network generator, so as to obtain a virtual reflection holographic record image of the shooting object; classifying and training the virtual reflection holographic record image and the actual reflection holographic record image of the corresponding shooting object in the image dataset by using a discriminator; and repeatedly carrying out classification training on the virtual reflection hologram record image generated by the generated countermeasure network generator by using the discriminator until the difference degree between the virtual reflection hologram record image generated by the generated countermeasure network generator through the two-dimensional image and the corresponding actual reflection hologram record image is smaller than the preset difference degree, and generating the countermeasure network generator as the reflection hologram record image generator.
Specifically, generating a training model formed by the countermeasure network includes at least two modules: a generator and a arbiter. The generator is for generating a virtual reflection holographic recording image. The discriminator is used for discriminating the difference degree between the virtual reflection holographic recording image and the actual reflection holographic recording image. In the training process, the object of the generator is to generate a real virtual reflection holographic record image as much as possible to deception the discriminator. The object of the discriminator is to separate the generated virtual reflection hologram image and the actual reflection hologram image as much as possible. The final training result is to obtain a reflection hologram generator that can generate a reflection hologram that is sufficiently close to the actual reflection hologram.
Fig. 2 is a block diagram of a holographic imaging display device according to an embodiment of the present application. As shown in fig. 2, the holographic imaging display device includes:
an image acquisition unit 21 for acquiring a target two-dimensional image of a target object;
a simulated image generating unit 22, configured to import the target two-dimensional image into a reflection hologram image generator to obtain a simulated reflection hologram recording image of the target object, where the reflection hologram recording image generator is an image generator obtained based on generation of an countermeasure network training;
a holographic imaging unit 23 for forming a holographic image of the target object by projecting a simulated reflection holographic recording image using the electrochromic thin film device under set illumination conditions, wherein the set illumination conditions include at least white light illumination conditions.
Optionally, the holographic imaging unit 23 comprises an electrochromic thin film device and a transparent conductive substrate; the transparent conductive substrate enables the electrochromic film device to have a pixel-like gray scale display function through an etching technology.
The implementation principle and the technical effects of the holographic imaging display device provided by the embodiment of the application are the same as those of the imaging method embodiment of the holographic imaging display device, and for the sake of brevity, reference is made to the corresponding content in the foregoing method embodiment where the device embodiment portion is not mentioned.
The embodiment of the application also provides a skin wearing device, which comprises the holographic imaging display device in any embodiment.
The skin wearing device provided by the embodiment of the application comprises the holographic imaging display device in the embodiment, so that the skin wearing device provided by the embodiment of the application also has the beneficial effects described in the embodiment, and the description is omitted here.
The embodiment of the application also provides a computer readable storage medium, and the computer readable storage medium stores computer instructions, wherein the computer instructions are used for enabling a processor to implement the imaging method of the holographic imaging display device according to any embodiment of the application when being executed.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) having computer-usable program code embodied therein. The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks. These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks. These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In the description of embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Finally, it should be noted that the foregoing description is only illustrative of the preferred embodiments of the present application and the technical principles employed. It will be understood by those skilled in the art that the present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the application. Therefore, while the application has been described in connection with the above embodiments, the application is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the application, which is set forth in the following claims.

Claims (9)

1. An imaging method of a holographic imaging display, the imaging method comprising:
acquiring a target two-dimensional image of a target object;
the target two-dimensional image is led into a reflection hologram recording image generator to obtain a simulated reflection hologram recording image of the target object, wherein the reflection hologram recording image generator is an image generator obtained based on generation of countermeasure network training;
and projecting the simulated reflection holographic record image by using an electrochromic film device under a set illumination condition to form a holographic image of the target object, wherein the set illumination condition at least comprises a white light illumination condition.
2. The imaging method of a holographic imaging display of claim 1, in which the training method of the reflection holographic recording image generator comprises:
acquiring image data sets of a preset number of shooting objects;
training the image data set by utilizing the generation countermeasure network to obtain the reflection hologram record image generator.
3. The imaging method of a holographic imaging display of claim 2, in which acquiring a preset number of image datasets comprises:
shooting by using a laser interference system after beam expansion to obtain a two-dimensional image of the shooting object and an actual reflection holographic recording image, wherein the two-dimensional image of the shooting object comprises a two-dimensional image of a scene where the shooting object is located and a two-dimensional image of the shooting object;
recording a two-dimensional image of the shooting object and an actual reflection hologram recording image as one data set, and taking a preset number of data sets as the image data set.
4. The imaging method of a holographic imaging display of claim 3, in which training the image dataset with the generation countermeasure network to obtain the reflection holographic recording image generator comprises:
inputting a two-dimensional image of a shooting object in the image data set and a two-dimensional image of a scene where the shooting object is located to generate an countermeasure network generator, and obtaining a virtual reflection holographic record image of the shooting object;
classifying and training the virtual reflection holographic record image and the actual reflection holographic record image of the corresponding shooting object in the image dataset by using a discriminator;
and repeatedly performing classification training on the virtual reflection holographic record image generated by the generated countermeasure network generator by using a discriminator until the difference degree between the virtual reflection holographic record image generated by the generated countermeasure network generator through the two-dimensional image and the corresponding actual reflection holographic record image is smaller than a preset difference degree, and then the generated countermeasure network generator is the reflection holographic record image generator.
5. The imaging method of a holographic imaging display of claim 1, in which acquiring a target two-dimensional image of a target object comprises:
and acquiring target two-dimensional images of the target object by using an image acquisition unit, wherein the target two-dimensional images comprise a plurality of self two-dimensional images of the target object and two-dimensional images of scenes where the target object is located.
6. A holographic imaging display, the holographic imaging display comprising:
the image acquisition unit is used for acquiring a target two-dimensional image of a target object;
the simulated image generation unit is used for guiding the target two-dimensional image into a reflection hologram record image generator to obtain a simulated reflection hologram record image of the target object, wherein the reflection hologram record image generator is an image generator obtained based on generation of countermeasure network training;
and the holographic imaging unit is used for projecting the simulated reflection holographic recording image by utilizing the electrochromic film device under the set illumination condition to form a holographic image of the target object, wherein the set illumination condition at least comprises a white light illumination condition.
7. The holographic imaging display of claim 6, in which the holographic imaging unit comprises the electrochromic thin film device and a transparent conductive substrate;
the transparent conductive substrate enables the electrochromic thin film device to have a pixel-like gray scale display function through an etching technology.
8. A skin wear device, characterized in that it comprises a holographic imaging display according to any of the preceding claims 1-5.
9. A computer readable storage medium storing computer instructions for causing a processor to perform the imaging method of the holographic imaging display of any of claims 1-5.
CN202310919890.5A 2023-07-25 2023-07-25 Imaging method of holographic imaging display device and holographic imaging display device Pending CN116931407A (en)

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Application Number Priority Date Filing Date Title
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