CN113239445A - AR-based indoor pipeline information display method and system - Google Patents
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Abstract
The scheme belongs to the technical field of augmented reality, and particularly relates to an AR-based indoor pipeline information display method and system. The method comprises the following steps: a detection module: comprehensively detecting detection information of the embedded pipeline through infrared rays, ultrasonic waves and millimeter waves, wherein the detection information comprises the type, the position and the embedding depth of the embedded pipeline; the detection information also comprises the position relation between the marker and the wall; a processing module: the system is used for processing the detection information and generating a 3D stereogram which is the same as the reality; a storage module: the 3D perspective view is used for storing the pipeline and the position relation between the marker and the wall; an AR module: acquiring a scene image and displaying a 3D stereogram, and displaying a superimposed pattern of the scene image and the 3D stereogram by taking the marker as an origin after identifying the marker; a marker: the image used for triggering the AR module to show the 3D stereogram. According to the scheme, the marker is used as the original point to display the superposed pattern of the field picture and the 3D stereogram and display the superposed pattern, so that the positioning precision is improved.
Description
Technical Field
The scheme belongs to the technical field of augmented reality, and particularly relates to an AR-based indoor pipeline information display method and system.
Background
Whether newly bought second-hand houses or old houses living for many years, as the living time increases, the old houses are often repaired by the choice of having more comfortable home experience. However, compared with a new house, the construction requirements for renovating an old house are quite different, and many problems need to be noticed, for example, a wire pipe, a water pipe and the like buried in a wall or a floor, and due to the fact that construction drawings (such as an old community and a second-hand house) cannot be obtained due to too long time, renovation construction is inconvenient for users.
The conventional mobile terminal screen only displays existing objects in the current real scene, but for the construction and construction display of the pipe network in the old house, explanatory and descriptive parameter information of pipe network nodes is often needed, so that an operator can conveniently and quickly know more and richer information of the pipe network scene in the old house, and new augmented reality application experience is brought to the user. Therefore, there is an urgent need for a system capable of performing 3D display of a pipeline buried in a wall or under a floor.
The invention patent with the application number of CN202010466577.7 discloses a 3D model display method and a system for an urban pipe network pipeline based on AR technology, and the method comprises a pipe network node model construction module, a data acquisition module and a data display module, wherein the pipe network node model construction module is used for reading a pipe network node index information file, acquiring a pipe network node index information set, and constructing a pipe network node model by combining an urban three-dimensional map; the pipeline coordinate mapping module is used for reading the two-dimensional pipeline path graph file, obtaining a two-dimensional pipeline path under a relative coordinate system, and mapping the relative coordinate system of the two-dimensional pipeline path to an absolute coordinate system of the pipe network node model; the three-dimensional pipe network model building module is used for building a three-dimensional channel scene on the pipe network node model processed by the pipeline coordinate mapping module by using a pipe network channel model library to obtain a three-dimensional pipe network model; and the AR display module is used for determining the display pose of the three-dimensional pipe network model by taking the pipe network nodes as the reference and performing AR display.
Although this scheme can be constructed city pipe network pipeline 3D model, when need carry out the 3D model show at every turn, need definitely to input corresponding pipe network node index information file to this obtains the pipe network node attribute information that the geographical positional information and the geographical positional information of each pipe network node on the different pipelines of different places match, but outdoor pipeline's landmark location adopts multiple positioning system to synthesize the location and just can obtain very high precision, but to indoor, positioning system accurate location then is more difficult, be difficult to reach centimeter level's precision positioning.
Disclosure of Invention
The scheme provides an AR-based indoor pipeline information display method and system, and aims to solve the problem that an indoor 3D model is not matched with an actual pipeline position.
In order to achieve the above object, the present solution provides an AR-based indoor pipeline information display system, comprising
A detection module: comprehensively detecting detection information of the embedded pipeline through infrared rays, ultrasonic waves and millimeter waves, wherein the detection information comprises the type, the position and the embedding depth of the embedded pipeline; the detection information also comprises the position relation between the marker and the wall;
a processing module: the system is used for processing the detection information and generating a 3D stereogram which is the same as the reality;
a storage module: the 3D perspective view is used for storing the pipeline and the position relation between the marker and the wall;
an AR module: acquiring a scene image and displaying a 3D stereogram, and displaying a superimposed pattern of the scene image and the 3D stereogram by taking the marker as an origin after identifying the marker;
a marker: the image used for triggering the AR module to show the 3D stereogram.
The principle of the scheme is as follows: firstly, a detection module is adopted to detect and identify the pipelines embedded in the indoor wall or bottom plate to obtain
The information of the type, the position and the embedding depth of the embedded pipeline and the position relation between the marker and the wall. Then, an AR module is used for acquiring a field picture; then the detection module transmits the detection information and the field picture to the processing module for processing, the processing module generates a 3D stereogram which is coincident with reality according to the actual position of the indoor pipeline information and stores the 3D stereogram in the storage module, and then the AR module is adopted to identify the marker, so that the field picture and the 3D stereogram can be superimposed to the real world picture to obtain the augmented reality picture. Then the staff can obtain indoor pipeline information according to the augmented reality picture, can not destroy the pipeline when carrying out old building renovation.
The beneficial effect of this scheme:
1. the marker is used as the origin to display the superposed patterns of the on-site picture and the 3D stereogram and display the superposed patterns, so that the positioning precision of the positioning system which cannot be achieved indoors is achieved, the 3D stereogram of the pipeline is identical to the pipeline position in the indoor reality, and when the overhaul work is carried out, workers carrying out the overhaul work can conveniently and quickly know more and richer information of pipeline scenes in old houses, and further the working efficiency is improved.
2. The 3D stereograph can be displayed directly by scanning the marker, and the operation is convenient and simple.
Further, the detection information also comprises a two-dimensional plane electronic pipeline map; the AR module also comprises a two-dimensional plane electronic pipeline map display module which is used for displaying the two-dimensional plane electronic pipeline map; and displaying the current position of the mobile terminal on the two-dimensional plane electronic pipeline map according to the real-time position information. When the staff carries out indoor renovation, can cross the real-time position of knowing oneself to but the different angles of optional and place are renovated, and can a plurality of renovation personnel carry out the renovation simultaneously, can not disturb work each other yet.
Further, the AR module comprises a shooting device, the shooting device completes real object identification in the real world by using an artificial intelligence learning technology of fusion Net, the fusion Net is a mixture of three neural networks which are respectively V-CNN I, V-CNN II and MV-CNN, the MV-CNN neural network is constructed based on an AlexNet structure and is pre-trained by an ImageNet data set, the three networks are fused in a scoring layer, and finally predicted classification is found by calculating a scored linear combination. V-CNN I and V-CNN II use a voxelized CAD model, and MV-CNN uses 2D projection as input. The module uses a standard pre-training neural network model (AlexNet) as the basis of the 2D network MV-CNN, and performs warm start pre-training on a network of the three-dimensional object 2D projection based on a large-scale 2D pixel picture data set ImageNet. Many features used for 2D image classification need not be trained from scratch, subject to pre-training.
The detection module further comprises a comparison unit, a medium emission unit and a processing unit, wherein the comparison unit is used for being fixed on two sides of the wall body to allow a working medium to pass through, the medium emission unit is used for emitting non-parallel working media at corresponding positions on two sides of the wall body respectively, the processing unit is used for obtaining pipeline layout information according to the ratio of the size of the image formed by the comparison unit and the ratio of the size of the image of the two pipelines, and the pipeline layout information comprises embedded depth information.
Firstly, respectively arranging a medium transmitting unit and a medium receiving unit at two sides of a wall body, then transmitting a working medium by the medium transmitting unit at one side of the wall body, then respectively imaging at two sides of the wall body, wherein one side close to the medium transmitting unit is an imaging 1, and one side far away from the medium transmitting unit is an imaging 2, then obtaining the embedded depth information of a pipeline and the diameter information of the pipeline according to the known value of the contrast unit and the imaging 1 and the imaging 2, and when the size of an image formed by the contrast unit is equal to the value of the imaging 1, the position of the pipeline is positioned at one side close to the medium transmitting unit; when the size of the image formed by the contrast unit is equal to the value of the image 2, the position of the pipeline is positioned on the side far away from the medium emission unit; then, the embedding depth information of the pipeline and the diameter information of the pipeline can be obtained according to the size of the comparison unit and the size of the image formed twice.
Further, the AR module is also provided with a renovation step, and the processing module obtains the renovation step at equal intervals and displays the renovation step. When carrying out house renovation to the renovation personnel, the AR module also demonstrates the renovation step in proper order when showing 3D three-dimensional thing, instructs the staff to carry out the renovation work from this, even the renovation staff does not know how the order of renovation is how, also can carry out the renovation work according to the renovation step, and then can improve the renovation personnel work efficiency, reduces the time that delays among the investigation renovation process, avoids damaging the pipeline at the investigation renovation in-process.
Further, the identifier has a plurality of identifiers, each of the identifiers corresponding to an associated chamber. When the marker is placed, the staff can mark numbers matched with corresponding rooms on the marker, and the situation that a plurality of markers are mixed behind an instrument and are difficult to distinguish is avoided.
The invention also provides an AR-based indoor pipeline information display method, which comprises the following steps:
step one, shooting the indoor condition through a camera device in an AR module to form a shot image;
step two: the type, the position and the embedding depth of the pipeline are detected through the detection module, and then the detected information is sent to the processing module;
step three: the position relation between the marker and the wall is obtained through the detection module, and then the information is fed back to the processing module of the cloud;
step four: the processing module processes the pipeline information and the position information of the marker and the wall, generates a 3D stereogram which is the same as the reality, and then stores the 3D stereogram into the storage module;
step five: the marker is scanned and identified through the AR module, and then the on-site picture and the superposition pattern of the 3D stereograph can be displayed by taking the marker as an origin after the marker is identified.
Drawings
FIG. 1 is a logical framework diagram of an embodiment of the AR-based indoor pipeline information presentation system of the present invention;
fig. 2 is a flowchart of an embodiment of an AR-based indoor pipeline information presentation method according to the present invention.
FIG. 3 is a diagram of the measurement of pipeline information of the indoor wall according to the present invention.
Detailed Description
The following is further detailed by the specific embodiments:
the embodiment is basically as shown in the attached figure 1:
an AR-based indoor pipeline information presentation system, comprising:
a detection module: comprehensively detecting detection information of the embedded pipeline through infrared rays, ultrasonic waves and millimeter waves, wherein the detection information comprises the type, the position and the embedding depth of the embedded pipeline; the detection information also comprises the position relation between the marker and the wall;
the detection information also comprises a two-dimensional plane electronic pipeline map; the AR module also comprises a two-dimensional plane electronic pipeline map display module which is used for displaying the two-dimensional plane electronic pipeline map; and displaying the current position of the mobile terminal on the two-dimensional plane electronic pipeline map according to the real-time position information. When the staff carries out indoor renovation, can cross the real-time position of knowing oneself to but the different angles of optional and place are renovated, and can a plurality of renovation personnel carry out the renovation simultaneously, can not disturb work each other yet. The two-dimensional plane electronic pipeline map is formed by drawing centimeter-level GNSS positioning node pipeline data.
A processing module: the system is used for processing the detection information and generating a 3D stereogram which is the same as the reality;
a storage module: the 3D perspective view is used for storing the pipeline and the position relation between the marker and the wall;
an AR module: acquiring a scene image and displaying a 3D stereogram, and displaying a superimposed pattern of the scene image and the 3D stereogram by taking the marker as an origin after identifying the marker;
the AR module comprises shooting equipment, the shooting equipment completes real object identification in the real world by using an artificial intelligence learning technology of fusion Net, the fusion Net is a mixture of three neural networks which are respectively V-CNN I, V-CNN II and MV-CNN, the MV-CNN neural network is constructed based on an AlexNet structure and is pre-trained by an ImageNet data set, the three networks are fused in a scoring layer, and finally predicted classification is found by calculating a scored linear combination. V-CNN I and V-CNN II use a voxelized CAD model, and MV-CNN uses 2D projection as input. The module uses a standard pre-training neural network model (AlexNet) as the basis of the 2D network MV-CNN, and performs warm start pre-training on a network of the three-dimensional object 2D projection based on a large-scale 2D pixel picture data set ImageNet. Many features used for 2D image classification need not be trained from scratch, subject to pre-training.
And the AR module is also provided with a renovation step, and the processing module acquires the renovation step at equal intervals and displays the renovation step. When carrying out house renovation to the renovation personnel, the AR module also demonstrates the renovation step in proper order when showing 3D three-dimensional thing, instructs the staff to carry out the renovation work from this, even the renovation staff does not know how the order of renovation is how, also can carry out the renovation work according to the renovation step, and then can improve the renovation personnel work efficiency, reduces the time that delays among the investigation renovation process, avoids damaging the pipeline at the investigation renovation in-process.
A marker: the image used for triggering the AR module to show the 3D stereogram.
The identifier is provided in plurality, each identifier corresponding to an associated chamber. When the marker is placed, the staff can mark numbers matched with corresponding rooms on the marker, and the situation that a plurality of markers are mixed behind an instrument and are difficult to distinguish is avoided.
As shown in fig. 3:
the detection module further comprises a comparison unit, a medium emitting unit and a processing unit, wherein the comparison unit is used for being fixed on two sides of the wall body to allow working media to pass through, the medium emitting unit is used for emitting non-parallel working media at corresponding positions on two sides of the wall body respectively, the processing unit is used for obtaining pipeline layout information according to the ratio of the sizes of the images formed by the comparison unit and the ratio of the sizes of the images of the two pipelines, and the pipeline layout information comprises embedded depth information. (specifically, the working medium in this embodiment is X-ray)
Firstly, respectively arranging a medium transmitting unit and a medium receiving unit at two sides of a wall body, then transmitting a working medium by the medium transmitting unit at one side of the wall body, then respectively imaging at two sides of the wall body, wherein one side close to the medium transmitting unit is an imaging 1, and one side far away from the medium transmitting unit is an imaging 2, then obtaining the embedded depth information of a pipeline and the diameter information of the pipeline according to the known value of the contrast unit and the imaging 1 and the imaging 2, and when the size of an image formed by the contrast unit is equal to the value of the imaging 1, the position of the pipeline is positioned at one side close to the medium transmitting unit; when the size of the image formed by the contrast unit is equal to the value of the image 2, the position of the pipeline is positioned on the side far away from the medium emission unit; then, the embedding depth information of the pipeline and the diameter information of the pipeline can be obtained according to the size of the comparison unit and the size of the image formed twice.
The method comprises the following specific operations: the method comprises the steps of fixing a marker 5 with a wall 1, respectively arranging a medium transmitting unit 2 and a medium receiving unit 3 on two sides of the wall 1, starting the medium transmitting unit 2, when a pipeline exists in the wall 1, arranging a contrast unit 4 on two sides of the wall 1 and between the medium transmitting unit 2 and the medium receiving unit 3, then starting the medium transmitting unit 2 to transmit X-rays on the outer side of the wall 1, wherein the medium transmitting unit 2 is a portable X-ray machine (namely equipment comprising a basic circuit and an X-ray tube, and the X-ray tube transmits the X-rays with divergent properties), and the medium receiving unit 3 finishes primary collection on the inner side of the wall 1. Then the positions of the medium transmitting unit 2 and the medium receiving unit 3 are exchanged, and the second acquisition is completed.
Then the processing module can obtain the embedded depth information of the pipeline and the diameter information of the pipeline according to the known size (and the known ratio) of the image formed twice because the size of the comparison unit is known, thereby completing the construction of the three-dimensional model, and finally the three-dimensional model is stored by the storage module. One account number may then correspond to one three-dimensional model. It is also possible that different users use different identifiers 5 for the distinction.
As shown in fig. 2:
the embodiment also discloses an AR-based indoor pipeline information display method, which comprises the following steps:
step one, shooting the indoor condition through a camera device in an AR module to form a shot image;
step two: the type, the position and the embedding depth of the pipeline are detected through the detection module, and then the detected information is sent to the processing module;
step three: the position relation between the marker and the wall is obtained through the detection module, and then the information is fed back to the processing module of the cloud;
step four: the processing module processes the pipeline information and the position information of the marker and the wall, generates a 3D stereogram which is the same as the reality, and then stores the 3D stereogram into the storage module;
step five: the marker is scanned and identified through the AR module, and then the on-site picture and the superposition pattern of the 3D stereograph can be displayed by taking the marker as an origin after the marker is identified.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. Indoor pipeline information display system based on AR, its characterized in that: the method comprises the following steps:
a detection module: comprehensively detecting detection information of the embedded pipeline through infrared rays, ultrasonic waves and millimeter waves, wherein the detection information comprises the type, the position and the embedding depth of the embedded pipeline; the detection information also comprises the position relation between the marker and the wall;
a processing module: the system is used for processing the detection information and generating a 3D stereogram which is the same as the reality;
a storage module: the 3D perspective view is used for storing the pipeline and the position relation between the marker and the wall;
an AR module: acquiring a scene image and displaying a 3D stereogram, and displaying a superimposed pattern of the scene image and the 3D stereogram by taking the marker as an origin after identifying the marker;
a marker: the image used for triggering the AR module to show the 3D stereogram.
2. The AR-based indoor pipeline information presentation system of claim 1, wherein: the detection information also comprises a two-dimensional plane electronic pipeline map; the AR module also comprises a two-dimensional plane electronic pipeline map display module which is used for displaying the two-dimensional plane electronic pipeline map; and displaying the current position of the mobile terminal on the two-dimensional plane electronic pipeline map according to the real-time position information.
3. The AR-based indoor pipeline information presentation system of claim 1, wherein: the detection module further comprises a comparison unit, the comparison unit is used for being fixed on two sides of the wall body to allow working media to pass through, the medium emitting unit is further used for emitting non-parallel working media at corresponding positions on two sides of the wall body respectively, the processing unit is further used for obtaining pipeline layout information according to the ratio of the sizes of the images formed by the comparison unit and the ratio of the sizes of the images of the two pipelines, and the pipeline layout information further comprises embedded depth information.
4. The AR-based indoor pipeline information presentation system of claim 1, wherein: the AR module comprises shooting equipment, the shooting equipment completes real object identification in the real world by using an artificial intelligence learning technology of fusion Net, the fusion Net is a mixture of three neural networks which are respectively V-CNN I, V-CNN II and MV-CNN, the MV-CNN neural network is constructed based on an AlexNet structure and is pre-trained by an ImageNet data set, the three networks are fused in a scoring layer, and finally predicted classification is found by calculating a scored linear combination; the V-CNN I and V-CNN II use a voxelized CAD model, and the MV-CNN uses 2D projection as input; the module uses a standard pre-training neural network model (AlexNet) as the basis of the 2D network MV-CNN, and performs warm start pre-training on a network of the three-dimensional object 2D projection based on a large-scale 2D pixel picture data set ImageNet.
5. The AR-based indoor pipeline information presentation system of claim 1, wherein: and the AR module is also provided with a renovation step, and the processing module acquires the renovation step at equal intervals and displays the renovation step.
6. The AR-based indoor pipeline information presentation method and system as claimed in claim 1, wherein: the identifier has a plurality of identifiers, each of which corresponds to an associated chamber.
7. The AR-based indoor pipeline information display method is characterized by comprising the following steps: the method comprises the following steps:
step one, shooting the indoor condition through a camera device in an AR module to form a shot image;
step two: the type, the position and the embedding depth of the pipeline are detected through the detection module, and then the detected information is sent to the processing module;
step three: the position relation between the marker and the wall is obtained through the detection module, and then the information is fed back to the processing module of the cloud;
step four: the processing module processes the pipeline information and the position information of the marker and the wall, generates a 3D stereogram which is the same as the reality, and then stores the 3D stereogram into the storage module;
step five: the marker is scanned and identified through the AR module, and then the on-site picture and the superposition pattern of the 3D stereograph can be displayed by taking the marker as an origin after the marker is identified.
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