CN109579745A - Novel house Area computing method based on augmented reality and cell phone software - Google Patents
Novel house Area computing method based on augmented reality and cell phone software Download PDFInfo
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- CN109579745A CN109579745A CN201811415116.6A CN201811415116A CN109579745A CN 109579745 A CN109579745 A CN 109579745A CN 201811415116 A CN201811415116 A CN 201811415116A CN 109579745 A CN109579745 A CN 109579745A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/28—Measuring arrangements characterised by the use of optical techniques for measuring areas
Abstract
The novel house Area computing method based on augmented reality and cell phone software that this application discloses a kind of, including comprise the concrete steps that: (1) open handset program；(2) mobile phone camera detects terrain surface specifications point and generates the plane of delineation；(3) user presses interface selection initial ranging point；(4) user holds mobile phone and is moved to the next position and selects point distance measurement；(5) step (4) are repeated until completing house earth surface circumferential measurements；(6) software draws house earth surface shape automatically；(7) software calculates floor space automatically.Method of the invention, which saves conventional gauges measurement, needs the equipment use cost of the novel distance measurings tools such as personnel cost and the laser range finder of more people's operations, and operation can be completed by hand-held cell phone apparatus in one, and has comparable measurement and computational accuracy.
Description
Technical field
The invention belongs to design house measurement technical field, specifically relate to a kind of based on augmented reality and cell phone software
Floor space measuring method.
Background technique
Augmented reality is a kind of technology by real world information and virtual world information Seamless integration-, it is virtually to enhance
Information superposition be presented to the user on reality scene, enhance user to the sensing capability of real world and the friendship of real world
Mutual ability.Early stage augmented reality relies primarily on desktop computer or large-scale work station as system operation platform.With shifting
The arrival of dynamic Internet era is grown rapidly and universal especially with smart phone calculated performance, and smart phone becomes very
The terminal device for being suitble to mobile augmented reality technology (Mobile Augmented reality, MAR) application and promoting, is opened up significantly
Open up the application field of augmented reality.
With the promotion of smart phone calculation processing ability and the development of communication network technology, the enhancing based on smart phone
The development mode of reality is also gradually developing.In AR systems development process, first have to obtain real scene information, then to true
Real field scape and camera position are analyzed, while generating virtual scene, are finally merged video or are directly displayed.In AR system, show
Show that the integration technology between technology, three-dimensional registration technology, interaction technique and actual situation scene is to realize the support skill of fundamental system
Art.Wherein, three-dimensional registration refers to that system is real-time, accurately calculates position and posture of the video camera relative to real world, so as to
Virtual scene is correctly arranged to it and answers location, is the critical issue that augmented reality system must solve.
The entitled void based on augmented reality such as 101826129 A Wang Guoli of application publication number CN, the refined, Li Zhenyu of Lip river intelligence
The invention of quasi- measuring principle and method, it is therefore an objective to propose minimum bounding box virtual measurement principle and realization side based on augmented reality
Method solves non-contact measurement and problem of calibrating that space three-dimensional object minimum bounding box is carried out using augmented reality.Base
Environmental model and people are measured by reality measurement environmental model, augmented reality in the minimum bounding box virtual measurement principle of augmented reality
Machine interaction models composition.The minimum bounding box virtual measurement implementation method of augmented reality includes: visual scanning tracer technique, virtual
Tape measure technology and human-computer interaction interface technology.
Edge detection is a research field in image procossing and computer vision, especially in feature extraction.Edge
Detection is the basic problem in image procossing and computer vision, and the purpose of edge detection is brightness change in reference numbers image
Apparent point.Image Edge-Detection significantly reduces data volume, and eliminates it is considered that incoherent information, retains
Image important structure attribute.The essence of edge detection is extracted between objects in images and background using certain algorithm
Boundary line.Edge definition is that zone boundary jumpy occurs for gray scale in image by we.The situation of change of image grayscale can
Reflected with the gradient being distributed with image grayscale, therefore we can obtain edge detection calculation with topography's differential technology
Son.Classical edge detection method is to construct edge detection operator by certain small neighbourhood to pixel in original image to reach
Detect edge this purpose.
Summary of the invention
The purpose of the invention is to save conventional gauges measurement to need personnel cost and the laser ranging of more people's operations
The equipment use cost of the novel distance measurings tool such as instrument provides a kind of based on the survey of the novel house area of augmented reality and cell phone software
Calculation method.
In order to achieve the above object, the technical solution adopted by the present invention is that:
A kind of novel house Area computing method based on augmented reality and cell phone software, comprising the following steps:
(1) handset program is opened；
(2) mobile phone camera detects terrain surface specifications point and generates the plane of delineation；
(3) user presses interface selection initial ranging point；
(4) user holds mobile phone and is moved to the next position and selects point distance measurement；
(5) step (4) are repeated until completing house earth surface circumferential measurements；
(6) software draws house earth surface shape automatically；
(7) software calculates floor space automatically.
Further, mobile phone camera described in step (2) is the linear camera of monocular formula.
Further, the function implementation in step (3): mobile phone screen is pressed by user and completes screen point to real world
The registration of point distance measurement.
Further, step (3), (4), the measurement of ground distance described in (5) function are achieved in that: utilizing cell-phone camera
Head capture characteristic point (anchor point) information and the inertia measurement of bonding apparatus Inertial Measurement Unit are as a result, complete camera with the time
Passage and relative to world around.Posture (positional distance) change record.
Further, the function implementation of step (6) Software on Drawing house earth surface shape: the survey by obtaining user's selection
World coordinate system coordinate away from point (anchor point) is simultaneously projected to plane coordinate system, and carries out edge detection to figure, and it is real to complete ground
Border arbitrary shape, and shape image is narrowed down to by suitable size according to the screen size of mobile phone used and is shown to mobile phone user circle
Face.
Further, step (7) calculates the function implementation of house real area: completing coordinate system in step 6 and converts it
After being drawn afterwards with ground actual graphical, areal calculation is completed using graph outline areal calculation function and is back to user interface.
The advantages of the present invention
Novel house Area computing method provided by the invention, has easy to operate, and equipment requirement is low, and estimation precision is higher
The features such as, to solve the problems, such as that existing measurement of house area provides a kind of new approaches.
Detailed description of the invention
Fig. 1 is the flow chart of the novel house Area computing method based on augmented reality and cell phone software.
Fig. 2 is the plane of delineation that mobile phone camera detection terrain surface specifications point generates.
Fig. 3 is the result of first segment range measurement in ground in example.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, it is exemplified below embodiment and combines attached
Figure, the present invention is further described in detail.It will be appreciated by those skilled in the art that the embodiment described is used only for helping
Assistant solves the present invention, is not intended to limit the present invention.
In the present embodiment, mobile phone model is SAMSUNG 9350 (Samsung 9350), and running environment is Andriod7.0 (peace
Zhuo is 7.0).
As shown in Fig. 1, a kind of novel house Area computing method based on augmented reality and cell phone software of the invention,
Specifically includes the following steps:
(1) handset program is opened；
(2) mobile phone camera detects terrain surface specifications point and generates the plane of delineation, by calling Google ARCore in this example
It realizes the registration of mobile phone screen point to real world point distance measurement, is the characteristic point plane of delineation generated as shown in Figure 2；
(3) user presses interface selection initial ranging point；
(4) user holds mobile phone and is moved to the next position and selects point distance measurement, by calling Google ARCore in this example
The camera measurement relative to the posture of world around (positional distance) variation as time goes by is completed, is as shown in Figure 3
Measure the result of first segment distance；
(5) step (4) are repeated until completing house earth surface circumferential measurements；
(6) software draws house earth surface shape automatically, and the world coordinate system coordinate (x, y, z) of each anchor point is obtained in this example
Later, it is projected to plane coordinate system (x, y), and edge detection is carried out to figure using candy operator, it is practical to complete ground
Arbitrary shape, determines the minimum area-encasing rectangle of true form later and is contracted to 0.8 times of mobile phone screen size and be shown to
User interface；
(7) software calculates floor space automatically and utilizes after obtaining anchor point plane projection coordinate (x, y) in this example
ContourArea () function is completed contour area and is calculated.
The foregoing is intended to be a preferred embodiment of the present invention.Certainly, the present invention can also have other a variety of implementations
Example, without deviating from the spirit and substance of the present invention, anyone skilled in the art, when can according to this
Various corresponding equivalent change and modification are made in invention, all should fall within the scope of protection of the appended claims of the present invention.
Claims (6)
1. the novel house Area computing method based on augmented reality and cell phone software, it is characterised in that: the following steps are included:
(1) handset program is opened；
(2) mobile phone camera detects terrain surface specifications point and generates the plane of delineation；
(3) user hand gives directions touching software interface to select initial ranging point；
(4) user holds mobile phone and is moved to the next position and selects point distance measurement, and software interface shows two point distance measurement reality distances；
(5) step (4) are repeated until completing house earth surface circumferential measurements；
(6) software draws house earth surface shape automatically；
(7) software calculates floor space automatically.
2. the novel house Area computing method based on augmented reality and cell phone software, feature exist as described in claim 1
In: mobile phone camera described in step (2) is the linear camera of monocular formula.
3. the novel house Area computing method based on augmented reality and cell phone software as described in claim 1, feature
Be: user described in step (3) presses interface selection initial ranging point, and particular content and method are that user presses screen
Realize the registration of mobile phone screen point to real world point distance measurement.
4. the novel house Area computing method based on augmented reality and cell phone software as described in claim 1, feature
Be: software interface described in step 4 shows two point distance measurement reality distances, is achieved in that, is caught using mobile phone camera
The inertia measurement of point distance measurement information and bonding apparatus Inertial Measurement Unit is obtained as a result, measurement camera is as time goes by and opposite
Attitudes vibration in world around, i.e. position distance change, and measurement result is shown on software interface.
5. the novel house Area computing method based on augmented reality and cell phone software as described in claim 1, feature
Be: software described in step 6 draws house earth surface shape automatically, and implementation obtains the point distance measurement of user's selection, i.e.,
The world coordinate system coordinate of anchor point is simultaneously projected to plane coordinate system, and carries out edge detection to figure, completes ground true form
It draws, and shape image is narrowed down to by suitable size according to the screen size of mobile phone used and is shown to cell-phone user interface.
6. the novel house Area computing method based on augmented reality and cell phone software as described in claim 1, feature
Be: software described in step 7 calculates floor space automatically, is achieved in that, in step 6 after the conversion of completion coordinate system
After being drawn with ground actual graphical, areal calculation is completed using graph outline areal calculation function and is back to user interface.
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| CN114923418A (en) * | 2021-02-12 | 2022-08-19 | 苹果公司 | Point selection based measurement |
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Application publication date: 20190405 |