CN110495900B - Image display method, device, equipment and storage medium - Google Patents
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Abstract
The application relates to an image display method, device, equipment and storage medium, wherein a terminal acquires a two-dimensional image sequence of an image and generates a three-dimensional image of the image according to the two-dimensional image sequence, wherein the three-dimensional image of the image comprises a plurality of pixel point coordinate information and pixel values of all pixel points, and further, the three-dimensional image data of the image is subjected to coding processing to obtain a transmittance function of the image, wherein the transmittance function is used for indicating the transmittance of each point light source in a light source array in a projection device, corresponding to each moment, and further, the transmittance function is sent to the projection device, and the transmittance function is used for enabling the projection device to carry out three-dimensional holographic projection on the image, so that a user observes the three-dimensional holographic projection when observing the image.
Description
Technical Field
The present disclosure relates to the field of image display technologies, and in particular, to a method, an apparatus, a device, and a storage medium for displaying images.
Background
With the continuous progress and development of society, high-end medical equipment is layered endlessly, and medical equipment tomography technology is also widely applied. When a patient is diagnosed, a medical image of the patient is often obtained through scanning by a medical scanning device, and a doctor diagnoses diseases of the patient by looking at the medical image.
In general, a medical image obtained by a medical scanning apparatus is a plurality of two-dimensional sequential images obtained by tomographic scanning, for example, the sequential images obtained by the medical scanning apparatus may be hundreds of DICOM images, and a doctor needs to observe each of the sequential images one by one when viewing the medical image, and empirically correspond the two-dimensional sequential images to an actual three-dimensional organ tissue to obtain a diagnosis result.
When the method is used for observing the medical image, the intuitiveness of image display is not high.
Disclosure of Invention
Based on this, it is necessary to provide an image display method, apparatus, device and storage medium for solving the problem that the intuitiveness of image display is not high.
In a first aspect, a method for displaying images, the method comprising:
acquiring a two-dimensional image sequence of the image;
generating a three-dimensional image of the image according to the two-dimensional image sequence; the three-dimensional image of the image comprises a plurality of pixel point coordinate information and pixel values of all the pixel points;
coding the three-dimensional image data of the image to obtain a transmittance function of the image; the transmittance function is used for indicating the transmittance of each point light source in the light source array in the projection equipment at each moment;
And sending the transmittance function to the projection equipment, wherein the transmittance function is used for the projection equipment to carry out three-dimensional holographic projection on the image.
In one embodiment, before the encoding processing is performed on the three-dimensional image data of the image to obtain the transmittance function of the image, the method further includes:
sampling the three-dimensional image of the image to obtain a three-dimensional image of the sampled image, wherein the number of pixel points in the three-dimensional image of the sampled image is smaller than that of the pixel points in the three-dimensional image of the image;
correspondingly, the encoding processing is carried out on the three-dimensional image data of the image to obtain a transmittance function of the image, which comprises the following steps:
and carrying out coding processing on the three-dimensional image of the sampled image to obtain a transmittance function.
In one embodiment, the generating the three-dimensional image of the image according to the two-dimensional image sequence of the image includes:
carrying out three-dimensional reconstruction processing on a two-dimensional image sequence of the image by utilizing an image recombination technology, a contour reconstruction technology and a pixel coding technology to obtain a three-dimensional image of the image;
the image reorganization technology is used for setting each two-dimensional image in the two-dimensional image sequence on the three-dimensional model according to the position information corresponding to each two-dimensional image, the contour reconstruction technology is used for removing background information of each two-dimensional image set on the three-dimensional model to obtain contour information of an image, and the pixel coding technology is used for setting display gray level of the three-dimensional image of the image according to the organization information of each two-dimensional image.
In one embodiment, the performing three-dimensional reconstruction processing on the two-dimensional image sequence of the image by using an image reconstruction technique, a contour reconstruction technique and a pixel coding technique to obtain a three-dimensional image of the image includes:
carrying out three-dimensional reconstruction processing on the two-dimensional image sequence by utilizing an image recombination technology, a contour reconstruction technology and a pixel coding technology to obtain an initial three-dimensional image of the image;
performing three-dimensional rendering processing on the initial three-dimensional image of the image to obtain a three-dimensional image of the image; the three-dimensional rendering process is used to set the transparency of the three-dimensional image of the shadow.
In one embodiment, the method further comprises:
according to the switching instruction, controlling the projection equipment to switch the three-dimensional holographic projection of the image; the switching instruction is an instruction obtained by operating the three-dimensional image of the image according to a user and is used for indicating the three-dimensional holographic projection of the translation image, the three-dimensional holographic projection of the zoom image or the three-dimensional holographic projection of the rotation image.
In one embodiment, the switching instruction includes a pan switching instruction, a zoom switching instruction, and a rotate switching instruction; the translation switching instruction is used for indicating three-dimensional holographic projection of the translation medical image; the scaling switching instruction is used for scaling the three-dimensional holographic projection of the image; the rotation switching instruction is used for three-dimensional holographic projection of the rotation image.
In one embodiment, the two-dimensional image sequence for acquiring the image includes:
acquiring a two-dimensional image sequence of an image by an image acquisition device, the image acquisition device comprising: an electron computed tomography CT apparatus, a magnetic resonance MRI apparatus, a positron emission tomography PET, an ultrasound apparatus, and an X-ray apparatus.
In a second aspect, an image display apparatus includes:
the acquisition module is used for acquiring a two-dimensional image sequence of the image;
the generation module is used for generating a three-dimensional image of the image according to the two-dimensional image sequence; the three-dimensional image of the image comprises a plurality of pixel point coordinate information and pixel values of all the pixel points;
the coding module is used for coding the three-dimensional image data of the image to obtain a transmittance function of the image; the transmittance function is used for indicating the transmittance of each point light source in the light source array in the projection equipment at each moment;
the transmitting module is used for transmitting the transmittance function to the projection equipment, and the transmittance function is used for the projection equipment to carry out three-dimensional holographic projection on the image.
In a third aspect, a computer device includes a memory and a processor, where the memory stores a computer program, and the processor implements the method steps of the image display method described above when executing the computer program.
In a fourth aspect, a computer readable storage medium has stored thereon a computer program which, when executed by a processor, implements the method steps described in the image display method described above.
The method, the device, the equipment and the storage medium for displaying the images acquire the two-dimensional image sequence of the images, and generate the three-dimensional image of the images according to the two-dimensional image sequence, wherein the three-dimensional image of the images comprises a plurality of pixel point coordinate information and pixel values of all pixel points, and then the three-dimensional image data of the images are encoded to obtain the transmittance function of the images, wherein the transmittance function is used for indicating the transmittance of each point light source in the light source array in the projection equipment at each moment and then sending the transmittance function to the projection equipment, and the transmittance function is used for enabling the projection equipment to carry out three-dimensional holographic projection on the images, so that when a user observes the images, the three-dimensional holographic projection obtained by projecting the transmittance function obtained according to the two-dimensional image sequence of the images is observed.
Drawings
FIG. 1 is a schematic diagram of an application environment of an image display method according to an embodiment;
FIG. 2 is a flow chart of an image display method according to an embodiment;
FIG. 2a is a schematic diagram of a two-dimensional image sequence of capturing an image according to one embodiment;
FIG. 3 is a flowchart of an image display method according to another embodiment;
FIG. 3a is a schematic diagram of a two-dimensional image and a three-dimensional model in one embodiment;
FIG. 4 is a flowchart of an image display method according to another embodiment;
FIG. 4a is a schematic representation of a two-dimensional image of a medical image in one embodiment;
FIG. 4b is a schematic representation of a three-dimensional image of a medical image in one embodiment;
FIG. 5 is a flowchart of an image display method according to an embodiment;
FIG. 6 is a schematic diagram of an image display device according to another embodiment;
FIG. 7 is a schematic diagram of an image display device according to another embodiment;
fig. 8 is an internal structural diagram of a computer device in one embodiment.
Detailed Description
The image display method, device, equipment and storage medium provided by the application aim to solve the problem of low intuitiveness of image display. The following will specifically describe the technical solutions of the present application and how the technical solutions of the present application solve the above technical problems by means of examples and with reference to the accompanying drawings. The following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.
The image display method provided in this embodiment may be applied to an application environment as shown in fig. 1. Wherein the image display terminal 102 communicates with the projector 104. The image display terminal 102 may be, but is not limited to, various personal computers, notebook computers, smart phones, tablet computers, and portable wearable devices. Projector 104 may be used to perform three-dimensional holographic projection of an image.
It should be noted that, in the image display method provided in the embodiment of the present application, the execution body may be an image display device, and the device may be implemented as part or all of a terminal for displaying an image by software, hardware, or a combination of software and hardware.
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments.
FIG. 2 is a flow chart of an image display method according to an embodiment. The present embodiment relates to a specific procedure of how to generate a transmittance function for performing three-dimensional holographic projection from a two-dimensional image sequence of an image. As shown in fig. 2, the method comprises the steps of:
S101, acquiring a two-dimensional image sequence of the image.
Specifically, the image may be a medical image, or may be a sequence image such as a building image, a geological image, or the like, which is not limited in the embodiment of the present application. When the image is a medical image, the image may be an image obtained by scanning at least one of brain, heart, bone, blood vessel, liver, kidney, gall bladder, pancreas, thyroid, urinary system, uterus, accessory, and tooth of a human or animal. Which may include, without limitation, electronic computed tomography images (Computed Tomography, CT), magnetic resonance images (Magnetic Resonance Imaging, MRI), positron emission computed tomography images (Positron Emission Computed Tomography, PET), X-ray images, ultrasound images. For example, as shown in fig. 2a, when the image is acquired by the image device, a plurality of images are generally acquired in a preset sequence, and the images are in the form of sequential images, so that the image acquired by the image device is generally a two-dimensional image sequence of the image. When the terminal acquires the two-dimensional image sequence of the image, the two-dimensional image sequence of the image can be directly acquired through the image acquisition equipment, and the two-dimensional image sequence of the image stored on the terminal or the server can be called.
S102, generating a three-dimensional image of the image according to the two-dimensional image sequence; the three-dimensional image of the image includes a plurality of pixel point coordinate information and pixel values of the respective pixel points.
Specifically, on the basis of the above embodiment, after the two-dimensional image sequence of the image is obtained, since the two-dimensional image sequence of the image is a plurality of images acquired according to a preset order and exists in the form of a sequence image, the two-dimensional image sequence may be subjected to image reorganization, so that each image in the two-dimensional image sequence may be set at a position corresponding to the image in the three-dimensional model, and a three-dimensional image is generated. The three-dimensional image according to the image may include a plurality of pixel coordinate information and pixel values of each pixel.
S103, coding three-dimensional image data of the image to obtain a transmittance function of the image; the transmittance function is used for indicating the transmittance of each point light source in the light source array in the projection device at each moment.
Specifically, the encoding process may convert coordinate information of a plurality of pixel points and pixel values of each pixel point in a three-dimensional image of the medical image to obtain a transmittance function describing optical visibility of the image, which may be a process of encoding the three-dimensional image by using a roundabout phase encoding method to generate the transmittance function. The transmittance function is used for indicating the transmittance of each point light source in the light source array in the projection device, which corresponds to each moment, and the projection device can be used for carrying out three-dimensional holographic projection on the image through the transmittance function. When the terminal generates the three-dimensional image of the image, the encoding process can be performed on the three-dimensional image of the image, and coordinate information of each pixel point and pixel values of each pixel point in the three-dimensional image of the image are converted to obtain a transmittance function describing the optical visibility of the image.
And S104, transmitting a transmittance function to the projection equipment, wherein the transmittance function is used for the projection equipment to carry out three-dimensional holographic projection on the image.
Specifically, when the terminal obtains the transmittance function, the terminal can send the transmittance function to the projection device, so that the projection device can perform three-dimensional holographic projection on an image corresponding to the transmittance function. The terminal may send the transmittance function to the projection device through a wireless communication manner, or may send the transmittance function to the projection device through a wired communication manner, which is not limited in this embodiment of the present application. For example, the terminal may send the transmittance function to the projection device by means of bluetooth transmission. It should be noted that, since the above transmittance function may be used to describe the optical visibility of the image, when the projection device performs three-dimensional holographic projection on the image according to the transmittance function, the projection device may perform three-dimensional holographic projection on the image by using a point light source, and it is not necessary to perform three-dimensional holographic projection on the image by using a plurality of light sources.
According to the image display method, the terminal acquires the two-dimensional image sequence of the image and generates the three-dimensional image of the image according to the two-dimensional image sequence, wherein the three-dimensional image of the image comprises a plurality of pixel point coordinate information and pixel values of all pixel points, and then the three-dimensional image data of the image is subjected to coding processing to obtain the transmittance function of the image, wherein the transmittance function is used for indicating the transmittance of each point light source in the light source array in the projection equipment at each moment and then sending the transmittance function to the projection equipment, and the transmittance function is used for enabling the projection equipment to carry out three-dimensional holographic projection on the image, so that when a user observes the image, the three-dimensional holographic projection obtained by projecting the transmittance function obtained according to the two-dimensional image sequence of the image is observed.
Before the encoding process is performed on the three-dimensional image data of the image to obtain the transmittance function of the image, the sampling process may be performed on the three-dimensional image of the image to reduce the number of pixels in the three-dimensional image of the image, so that the amount of data processed when the encoding process is performed on the three-dimensional image data of the image to obtain the transmittance function of the image is reduced, and the efficiency of generating the transmittance function is improved. This is explained in detail below with reference to fig. 3.
Fig. 3 is a flowchart of an image display method according to another embodiment. The present embodiment relates to a specific procedure of obtaining a transmittance function according to encoding processing of a three-dimensional image of an image. As shown in fig. 3, the method further comprises the steps of:
s201, sampling the three-dimensional image of the image to obtain a three-dimensional image of the sampled image, wherein the number of pixel points in the three-dimensional image of the sampled image is smaller than that of the pixel points in the three-dimensional image of the image.
Specifically, the sampling process may be a process of selecting a part of pixels in the three-dimensional image of the image according to a preset sampling rule. In the three-dimensional image of the image, each pixel point exists in a continuous function mode, and part of pixel points can be selected through a preset sampling rule to obtain the three-dimensional image of the sampled image. The number of pixels in the three-dimensional image of the sampled image is less than the number of pixels in the three-dimensional image of the image. For example, if the three-dimensional image of the image is represented by a continuous function f (x), the discrete sample point distribution can be obtained by the sampling theorem, that is, the sequence of sampling values of the continuous function can be expressed by the formula f (n) =f (t 0 +nΔx) n=0, and 1 … … N-1 represents a sampling value sequence of the continuous function f (x), that is, a three-dimensional image of the sampled video. Wherein t is 0 For the sampling start point, n is the sampling sequence number, Δx is the sampling interval, and f (n) is the sampling value sequence, which can be used to represent the three-dimensional image of the sampled image. The smaller the sampling interval deltax, the more accurately the sequence of sample values reflects the original continuous function, i.e., the more accurately the three-dimensional image of the sampled image reflects the originalThree-dimensional image of the image.
S202, coding the three-dimensional image of the sampled image to obtain a transmittance function.
Specifically, after sampling the three-dimensional image of the image to obtain a three-dimensional image of the sampled image, the three-dimensional image of the sampled image may be subjected to encoding processing to obtain a transmittance function describing the optical visibility of the image. Continuing with the example in which the three-dimensional image of the video is represented as a continuous function f (x), when the three-dimensional image of the sampled video is obtained on the basis of the above embodiment, that is, the sequence of sampling values f (n) =f (t) for describing the three-dimensional image of the video is obtained 0 +nΔx) n=0, 1 … … N-1, the three-dimensional image of the sampled image, that is, the sample value sequence f (N), may be subjected to discrete fourier transform to obtain a discrete fourier transform spectrum, and then the discrete fourier transform spectrum may be subjected to coding processing to obtain the transmittance function.
According to the image display method, the terminal obtains the three-dimensional image of the sampled image by sampling the three-dimensional image of the image, wherein the number of pixel points in the three-dimensional image of the sampled image is smaller than that of pixel points in the three-dimensional image of the image, and then the three-dimensional image of the sampled image is subjected to coding processing to obtain the transmittance function, so that the data size of the three-dimensional image of the image needing coding processing is reduced by sampling before the three-dimensional image of the image is subjected to coding processing, the data size of the coding processing of the three-dimensional image of the image is reduced, and the efficiency of coding processing of the three-dimensional image of the image is improved.
Optionally, performing three-dimensional reconstruction processing on the two-dimensional image sequence of the image by using an image recombination technology, a contour reconstruction technology and a pixel coding technology to obtain a three-dimensional image of the image; the image reorganization technology is used for setting each two-dimensional image in the two-dimensional image sequence on the three-dimensional model according to the position information corresponding to each two-dimensional image, the contour reconstruction technology is used for removing background information of each two-dimensional image set on the three-dimensional model to obtain contour information of an image, and the pixel coding technology is used for setting display gray level of the three-dimensional image of the image according to the organization information of each two-dimensional image.
Specifically, the image reorganization technology is used for setting each two-dimensional image in the two-dimensional image sequence on the three-dimensional model according to the position information corresponding to each two-dimensional image. For example, as shown in fig. 3a, the image reorganization technique may use a multi-plane reconstruction algorithm (Multiplanar reformation, MPR) to superimpose the medical images in the two-dimensional image sequence, and then perform coronary, sagittal, and arbitrary-angle oblique image reorganization on the tissue specified by the reorganization line preset in the medical images. The contour reconstruction technology is used for removing background information of each two-dimensional image arranged on the three-dimensional model to obtain contour information of the image. For example, the contour reconstruction technique may reconstruct the surface contours of the organ tissue using a surface shading algorithm (Surface Shadow Algorithms, SSD) such that the surface and internal structures of the organ tissue are displayed as equal densities in the three-dimensional image, reconstructing a 3D image of the morphological contours of the external surface of the organ tissue. The pixel coding technique is used to set the display gradation of a three-dimensional image of a picture based on the tissue information of each two-dimensional image. For example, pixel encoding techniques may employ the use of maximum intensity projection reconstruction algorithms (maximum intensity projection, MIP) to encode and projection image the maximum intensity value of each pixel on each radial line in a two-dimensional image. The gray scale of MIP reflects the relative size of CT values, is relatively sensitive, and even small differences can be detected, for example, the CT values of calcification foci and bones are high, and blood vessels filled with contrast agent also have very high CT values, but are lower than the CT values of calcification foci and bones, so that the difference in brightness on MIP images is easy to distinguish.
Fig. 4 is a flowchart of an image display method according to another embodiment. The embodiment relates to a specific process of performing three-dimensional reconstruction processing on a two-dimensional image sequence of an image by using an image reconstruction technology, a contour reconstruction technology and a pixel coding technology to obtain a three-dimensional image of the image. As shown in fig. 4, the foregoing "performing three-dimensional reconstruction processing on a two-dimensional image sequence of an image by using an image reconstruction technique, a contour reconstruction technique and a pixel coding technique to obtain a three-dimensional image of the image" one possible implementation method includes the following steps:
s301, performing three-dimensional reconstruction processing on the two-dimensional image sequence by using an image recombination technology, a contour reconstruction technology and a pixel coding technology to obtain an initial three-dimensional image of the image.
S302, performing three-dimensional rendering processing on an initial three-dimensional image of the image to obtain a three-dimensional image of the image; the three-dimensional rendering process is used to set the transparency of the three-dimensional image of the shadow.
Specifically, after the initial three-dimensional image of the image is obtained on the basis of the above embodiment, three-dimensional rendering processing may be performed on the initial three-dimensional image of the image to obtain a three-dimensional image of the image, where the three-dimensional rendering processing may be used to set transparency of the three-dimensional image of the image. For example, the three-dimensional rendering process may use Volume Rendering (VR) to set the transparency of the initial three-dimensional image of the image, so that the three-dimensional image of the image may not use the transparency of the pseudo color box, and the three-dimensional structure may be expressed more realistically. And carrying out three-dimensional reconstruction processing on the two-dimensional image sequence by utilizing an image recombination technology, a contour reconstruction technology and a pixel coding technology, wherein the two-dimensional images in the two-dimensional image sequence can be shown in fig. 4a to obtain an initial three-dimensional image of the image, and then carrying out three-dimensional rendering processing on the initial three-dimensional image of the image to obtain a three-dimensional image of the image can be shown in fig. 4 b.
According to the image display method, the terminal performs three-dimensional reconstruction processing on the two-dimensional image sequence by using the image reconstruction technology, the contour reconstruction technology and the pixel coding technology to obtain an initial three-dimensional image of the image, and performs three-dimensional rendering processing on the initial three-dimensional image of the image to obtain the three-dimensional image of the image, wherein the three-dimensional rendering processing is used for setting the transparency of the three-dimensional image of the image. In this embodiment, the three-dimensional rendering process sets the transparency of the image, and the lost data information is small, so that the consistency between the three-dimensional image of the image with transparency set by the three-dimensional rendering process and the actual organ is higher, the spatial relationship of the anatomical structure can be better displayed, the relationship between the blood vessel and the surrounding tissues is highlighted, and the accuracy of the three-dimensional image of the obtained image is improved.
Optionally, according to the switching instruction, controlling the projection device to switch the three-dimensional holographic projection of the image; the switching instruction is an instruction obtained by operating the three-dimensional image of the image according to a user and is used for indicating the three-dimensional holographic projection of the translation image, the three-dimensional holographic projection of the zoom image or the three-dimensional holographic projection of the rotation image.
Specifically, on the basis of the above embodiment, after the terminal sends the transmittance function to the projection device, a switching instruction may also be acquired, and the projection device may be controlled to switch the three-dimensional holographic projection of the image according to the switching instruction. The switching instruction is an instruction obtained by operating the three-dimensional image of the image according to a user and is used for indicating three-dimensional holographic projection of the translation image, three-dimensional holographic projection of the zoom image or three-dimensional holographic projection of the rotation image. The switching instruction may be a voice instruction, a text instruction, or a touch instruction, which is not limited in the embodiment of the present application.
Optionally, the switching instruction includes a pan switching instruction, a zoom switching instruction, and a rotation switching instruction; the translation switching instruction is used for indicating three-dimensional holographic projection of the translation medical image; the scaling switching instruction is used for scaling the three-dimensional holographic projection of the image; the rotation switching instruction is used for three-dimensional holographic projection of the rotation image.
The translation switching instruction is used for indicating three-dimensional holographic projection of the translation medical image, the translation switching instruction can be an instruction that the three-dimensional image moves a distance along the x, y and z axis directions, and the translation switching instruction can be realized through a formula (1), wherein the formula (1) can be:
the zoom switching instruction is used for zooming the three-dimensional holographic projection of the image, and can be divided into a local zoom switching instruction and a whole zoom switching instruction. For example, the local scaling switch instruction may be determined by a main diagonal element, and the other elements are all zero, which may be implemented by formula (2), where formula (2) may be:
the overall zoom switch instruction may be determined by the final element of the main diagonal, and may be implemented by formula (3), where formula (3) may be:
the rotation switching command is used for three-dimensional holographic projection of a rotation image, and can be divided into rotation around an X axis, rotation around a Y axis and rotation around a Z axis. Wherein, rotating Y and Z coordinates around X axis changes, X coordinates are unchanged; rotating the X and Z coordinates around the Y axis, wherein the Y coordinates are unchanged; the X, Y coordinates change and the Z coordinates do not change by rotating around the Z axis. For example, the rotation θ angle around the X axis can be obtained by changing the Y, Z coordinates by the formula (4), where the formula (4) can be:
The angle θ is rotated around the Y axis and can be obtained by changing the X, Z coordinates by the formula (5), wherein the formula (5) can be:
the angle θ is rotated around the Z axis and can be obtained by changing the X and Y coordinates according to the formula (6), wherein the formula (6) can be:
optionally, the two-dimensional image sequence of the image is acquired by an image acquisition device, the image acquisition device comprising: an electron computed tomography CT apparatus, a magnetic resonance MRI apparatus, a positron emission tomography PET, an ultrasound apparatus, and an X-ray apparatus.
It should be understood that, although the steps in the flowcharts of fig. 2-4 are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in fig. 2-4 may include multiple sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, nor do the order in which the sub-steps or stages are performed necessarily occur sequentially, but may be performed alternately or alternately with at least a portion of the sub-steps or stages of other steps or steps.
Fig. 5 is a schematic structural diagram of an image display device according to an embodiment, as shown in fig. 5, the image display device includes: the device comprises an acquisition module 10, a generation module 20, an encoding module 30 and a sending module 40, wherein:
an acquisition module 10 for acquiring a two-dimensional image sequence of the image;
a generating module 20, configured to generate a three-dimensional image of the image according to the two-dimensional image sequence; the three-dimensional image of the image comprises a plurality of pixel point coordinate information and pixel values of all the pixel points;
the encoding module 30 is configured to encode three-dimensional image data of an image to obtain a transmittance function of the image; the transmittance function is used for indicating the transmittance of each point light source in the light source array in the projection equipment at each moment;
the transmitting module 40 is configured to transmit a transmittance function to the projection device, where the transmittance function is used for the projection device to perform three-dimensional holographic projection on the image.
The image display device provided in the embodiment of the present application may execute the above method embodiment, and its implementation principle and technical effects are similar, and are not described herein again.
Fig. 6 is a schematic structural diagram of an image display device according to another embodiment, and as shown in fig. 6, the image display device further includes: sampling module 50), wherein:
The sampling module 50 is configured to sample the three-dimensional image of the image to obtain a three-dimensional image of the sampled image, where the number of pixels in the three-dimensional image of the sampled image is smaller than the number of pixels in the three-dimensional image of the image;
the encoding module 30 is further configured to encode the three-dimensional image of the sampled video to obtain a transmittance function.
In one embodiment, the generating module 20 is specifically configured to perform three-dimensional reconstruction processing on a two-dimensional image sequence of the image by using an image reconstruction technique, a contour reconstruction technique and a pixel coding technique, so as to obtain a three-dimensional image of the image; the image reorganization technology is used for setting each two-dimensional image in the two-dimensional image sequence on the three-dimensional model according to the position information corresponding to each two-dimensional image, the contour reconstruction technology is used for removing background information of each two-dimensional image set on the three-dimensional model to obtain contour information of an image, and the pixel coding technology is used for setting display gray level of the three-dimensional image of the image according to the organization information of each two-dimensional image.
In one embodiment, the generating module 20 is specifically configured to perform three-dimensional reconstruction processing on the two-dimensional image sequence by using an image reconstruction technique, a contour reconstruction technique and a pixel coding technique, so as to obtain an initial three-dimensional image of the image; performing three-dimensional rendering processing on the initial three-dimensional image of the image to obtain a three-dimensional image of the image; the three-dimensional rendering process is used to set the transparency of the three-dimensional image of the shadow.
The image display device provided in the embodiment of the present application may execute the above method embodiment, and its implementation principle and technical effects are similar, and are not described herein again.
Fig. 7 is a schematic structural diagram of an image display device according to another embodiment, and on the basis of the embodiment shown in fig. 5 or fig. 6, as shown in fig. 7, the image display device further includes: a switching module 60, wherein:
the switching module 60 is used for controlling the projection device to switch the three-dimensional holographic projection of the image according to the switching instruction; the switching instruction is an instruction obtained by operating the three-dimensional image of the image according to a user and is used for indicating the three-dimensional holographic projection of the translation image, the three-dimensional holographic projection of the zoom image or the three-dimensional holographic projection of the rotation image.
In one embodiment, the switching instructions include a pan switching instruction, a zoom switching instruction, and a rotate switching instruction; the translation switching instruction is used for indicating three-dimensional holographic projection of the translation medical image; the scaling switching instruction is used for scaling the three-dimensional holographic projection of the image; the rotation switching instruction is used for three-dimensional holographic projection of the rotation image.
In one embodiment, the acquiring module 10 is specifically configured to acquire a two-dimensional image sequence of an image by an image capturing device, where the image capturing device includes: an electron computed tomography CT apparatus, a magnetic resonance MRI apparatus, a positron emission tomography PET, an ultrasound apparatus, and an X-ray apparatus.
Fig. 7 is based on fig. 6, but fig. 7 may be based on the structure of fig. 5, which is only an example.
The image display device provided in the embodiment of the present application may execute the above method embodiment, and its implementation principle and technical effects are similar, and are not described herein again.
For a specific limitation of an image display device, reference may be made to the above limitation of the image display method, and the description thereof is omitted herein. The modules in the image display device may be all or partially implemented by software, hardware, or a combination thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.
In one embodiment, a computer device is provided, which may be a terminal device, and an internal structure diagram thereof may be as shown in fig. 8. The computer device includes a processor, a memory, a network interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement an image display method. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, can also be keys, a track ball or a touch pad arranged on the shell of the computer equipment, and can also be an external keyboard, a touch pad or a mouse and the like.
It will be appreciated by those skilled in the art that the structure shown in fig. 8 is merely a block diagram of some of the structures associated with the present application and is not limiting of the computer device to which the present application may be applied, and that a particular computer device may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, there is provided a terminal device comprising a memory storing a computer program and a processor which when executing the computer program performs the steps of:
acquiring a two-dimensional image sequence of the image;
generating a three-dimensional image of the image according to the two-dimensional image sequence; the three-dimensional image of the image comprises a plurality of pixel point coordinate information and pixel values of all the pixel points;
coding the three-dimensional image data of the image to obtain a transmittance function of the image; the transmittance function is used for indicating the transmittance of each point light source in the light source array in the projection equipment at each moment;
and sending the transmittance function to the projection equipment, wherein the transmittance function is used for the projection equipment to carry out three-dimensional holographic projection on the image.
In one embodiment, the processor when executing the computer program further performs the steps of: sampling the three-dimensional image of the image to obtain a three-dimensional image of the sampled image, wherein the number of pixel points in the three-dimensional image of the sampled image is smaller than that of the pixel points in the three-dimensional image of the image; and carrying out coding processing on the three-dimensional image of the sampled image to obtain a transmittance function.
In one embodiment, the processor when executing the computer program further performs the steps of: carrying out three-dimensional reconstruction processing on a two-dimensional image sequence of the image by utilizing an image recombination technology, a contour reconstruction technology and a pixel coding technology to obtain a three-dimensional image of the image; the image reorganization technology is used for setting each two-dimensional image in the two-dimensional image sequence on the three-dimensional model according to the position information corresponding to each two-dimensional image, the contour reconstruction technology is used for removing background information of each two-dimensional image set on the three-dimensional model to obtain contour information of an image, and the pixel coding technology is used for setting display gray level of the three-dimensional image of the image according to the organization information of each two-dimensional image.
In one embodiment, the processor when executing the computer program further performs the steps of: carrying out three-dimensional reconstruction processing on the two-dimensional image sequence by utilizing an image recombination technology, a contour reconstruction technology and a pixel coding technology to obtain an initial three-dimensional image of the image; performing three-dimensional rendering processing on the initial three-dimensional image of the image to obtain a three-dimensional image of the image; the three-dimensional rendering process is used to set the transparency of the three-dimensional image of the shadow.
In one embodiment, the processor when executing the computer program further performs the steps of: according to the switching instruction, controlling the projection equipment to switch the three-dimensional holographic projection of the image; the switching instruction is an instruction obtained by operating the three-dimensional image of the image according to a user and is used for indicating the three-dimensional holographic projection of the translation image, the three-dimensional holographic projection of the zoom image or the three-dimensional holographic projection of the rotation image.
In one embodiment, the switching instructions include a pan switching instruction, a zoom switching instruction, and a rotate switching instruction; the translation switching instruction is used for indicating three-dimensional holographic projection of the translation medical image; the scaling switching instruction is used for scaling the three-dimensional holographic projection of the image; the rotation switching instruction is used for three-dimensional holographic projection of the rotation image.
In one embodiment, the processor when executing the computer program further performs the steps of: acquiring a two-dimensional image sequence of an image by an image acquisition device, the image acquisition device comprising: an electron computed tomography CT apparatus, a magnetic resonance MRI apparatus, a positron emission tomography PET, an ultrasound apparatus, and an X-ray apparatus.
The implementation principle and technical effects of the terminal device provided in this embodiment are similar to those of the foregoing method embodiment, and are not described herein again.
In one embodiment, a computer readable storage medium is provided having a computer program stored thereon, which when executed by a processor, performs the steps of:
acquiring a two-dimensional image sequence of the image;
generating a three-dimensional image of the image according to the two-dimensional image sequence; the three-dimensional image of the image comprises a plurality of pixel point coordinate information and pixel values of all the pixel points;
Coding the three-dimensional image data of the image to obtain a transmittance function of the image; the transmittance function is used for indicating the transmittance of each point light source in the light source array in the projection equipment at each moment;
and sending the transmittance function to the projection equipment, wherein the transmittance function is used for the projection equipment to carry out three-dimensional holographic projection on the image.
In one embodiment, the computer program when executed by a processor performs the steps of: sampling the three-dimensional image of the image to obtain a three-dimensional image of the sampled image, wherein the number of pixel points in the three-dimensional image of the sampled image is smaller than that of the pixel points in the three-dimensional image of the image; and carrying out coding processing on the three-dimensional image of the sampled image to obtain a transmittance function.
In one embodiment, the computer program when executed by a processor performs the steps of: carrying out three-dimensional reconstruction processing on a two-dimensional image sequence of the image by utilizing an image recombination technology, a contour reconstruction technology and a pixel coding technology to obtain a three-dimensional image of the image; the image reorganization technology is used for setting each two-dimensional image in the two-dimensional image sequence on the three-dimensional model according to the position information corresponding to each two-dimensional image, the contour reconstruction technology is used for removing background information of each two-dimensional image set on the three-dimensional model to obtain contour information of an image, and the pixel coding technology is used for setting display gray level of the three-dimensional image of the image according to the organization information of each two-dimensional image.
In one embodiment, the computer program when executed by a processor performs the steps of: carrying out three-dimensional reconstruction processing on the two-dimensional image sequence by utilizing an image recombination technology, a contour reconstruction technology and a pixel coding technology to obtain an initial three-dimensional image of the image; performing three-dimensional rendering processing on the initial three-dimensional image of the image to obtain a three-dimensional image of the image; the three-dimensional rendering process is used to set the transparency of the three-dimensional image of the shadow.
In one embodiment, the computer program when executed by a processor performs the steps of: according to the switching instruction, controlling the projection equipment to switch the three-dimensional holographic projection of the image; the switching instruction is an instruction obtained by operating the three-dimensional image of the image according to a user and is used for indicating the three-dimensional holographic projection of the translation image, the three-dimensional holographic projection of the zoom image or the three-dimensional holographic projection of the rotation image.
In one embodiment, the switching instructions include a pan switching instruction, a zoom switching instruction, and a rotate switching instruction; the translation switching instruction is used for indicating three-dimensional holographic projection of the translation medical image; the scaling switching instruction is used for scaling the three-dimensional holographic projection of the image; the rotation switching instruction is used for three-dimensional holographic projection of the rotation image.
In one embodiment, the computer program when executed by a processor performs the steps of: acquiring a two-dimensional image sequence of an image by an image acquisition device, the image acquisition device comprising: an electron computed tomography CT apparatus, a magnetic resonance MRI apparatus, a positron emission tomography PET, an ultrasound apparatus, and an X-ray apparatus.
The computer readable storage medium provided in this embodiment has similar principles and technical effects to those of the above method embodiment, and will not be described herein.
Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the various embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.
Claims (10)
1. An image display method, the method comprising:
acquiring a two-dimensional image sequence of the image;
generating a three-dimensional image of the image according to the two-dimensional image sequence; the three-dimensional image of the image comprises a plurality of pixel point coordinate information and pixel values of the pixel points;
coding the three-dimensional image data of the image to obtain a transmittance function of the image; the transmittance function is used for indicating the transmittance of each point light source in the light source array in the projection equipment at each moment;
Transmitting the transmittance function to a projection device, wherein the transmittance function is used for carrying out three-dimensional holographic projection on an image by the projection device;
wherein the generating a three-dimensional image of the image from the two-dimensional image sequence comprises:
performing three-dimensional reconstruction processing on the two-dimensional image sequence of the image by utilizing an image recombination technology, a contour reconstruction technology and a pixel coding technology to obtain a three-dimensional image of the image;
the image reconstruction technology is used for setting each two-dimensional image in the two-dimensional image sequence on a three-dimensional model according to the position information corresponding to each two-dimensional image, the contour reconstruction technology is used for removing background information of each two-dimensional image set on the three-dimensional model to obtain contour information of an image, and the pixel coding technology is used for setting display gray level of the three-dimensional image of the image according to the organization information of each two-dimensional image.
2. The method of claim 1, wherein the encoding the three-dimensional image data of the image is preceded by obtaining a transmittance function of the image, the method further comprising:
sampling the three-dimensional image of the image to obtain a three-dimensional image of the sampled image, wherein the number of pixel points in the three-dimensional image of the sampled image is smaller than that of the pixel points in the three-dimensional image of the image;
Correspondingly, the encoding processing is performed on the three-dimensional image data of the image to obtain a transmittance function of the image, including:
and carrying out coding processing on the three-dimensional image of the sampled image to obtain the transmittance function.
3. The method of claim 1, wherein performing three-dimensional reconstruction processing on the two-dimensional image sequence of the image using image reconstruction technology, contour reconstruction technology, and pixel encoding technology to obtain a three-dimensional image of the image comprises:
performing three-dimensional reconstruction processing on the two-dimensional image sequence by utilizing an image recombination technology, a contour reconstruction technology and a pixel coding technology to obtain an initial three-dimensional image of the image;
performing three-dimensional rendering processing on the initial three-dimensional image of the image to obtain a three-dimensional image of the image; the three-dimensional rendering process is used for setting the transparency of the three-dimensional image of the image.
4. A method according to claim 3, wherein the method further comprises:
according to the switching instruction, controlling the projection equipment to switch the three-dimensional holographic projection of the image; the switching instruction is an instruction obtained by operating the three-dimensional image of the image according to a user and is used for indicating to translate the three-dimensional holographic projection of the image, zoom the three-dimensional holographic projection of the image or rotate the three-dimensional holographic projection of the image.
5. The method of claim 4, wherein the switch instruction comprises a pan switch instruction, a zoom switch instruction, or a rotate switch instruction; the translation switching instruction is used for indicating three-dimensional holographic projection of translating the image; the scaling switching instruction is used for scaling the three-dimensional holographic projection of the image; the rotation switching instruction is used for rotating the three-dimensional holographic projection of the image.
6. The method of claim 4, wherein the switching instruction comprises a voice instruction, a text instruction, or a touch instruction.
7. The method according to claim 1 or 2, wherein the acquiring a two-dimensional image sequence of the imagery comprises:
acquiring a two-dimensional image sequence of the image through image acquisition equipment, wherein the image acquisition equipment comprises: an electron computed tomography CT apparatus, a magnetic resonance MRI apparatus, a positron emission tomography PET, an ultrasound apparatus, and an X-ray apparatus.
8. An image display device, the device comprising:
the acquisition module is used for acquiring a two-dimensional image sequence of the image;
the generation module is used for generating a three-dimensional image of the image according to the two-dimensional image sequence; the three-dimensional image of the image comprises a plurality of pixel point coordinate information and pixel values of the pixel points;
The coding module is used for coding the three-dimensional image data of the image to obtain a transmittance function of the image; the transmittance function is used for indicating the transmittance of each point light source in the light source array in the projection equipment at each moment;
the transmission module is used for transmitting the transmittance function to the projection equipment, and the transmittance function is used for carrying out three-dimensional holographic projection on the image by the projection equipment;
the generation module is specifically used for carrying out three-dimensional reconstruction processing on the two-dimensional image sequence of the image by utilizing an image recombination technology, a contour reconstruction technology and a pixel coding technology to obtain a three-dimensional image of the image;
the image reconstruction technology is used for setting each two-dimensional image in the two-dimensional image sequence on a three-dimensional model according to the position information corresponding to each two-dimensional image, the contour reconstruction technology is used for removing background information of each two-dimensional image set on the three-dimensional model to obtain contour information of an image, and the pixel coding technology is used for setting display gray level of the three-dimensional image of the image according to the organization information of each two-dimensional image.
9. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any of claims 1-7 when the computer program is executed.
10. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1-7.
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