CN108917644A - 3 D stereo measuring system - Google Patents
3 D stereo measuring system Download PDFInfo
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- CN108917644A CN108917644A CN201810795571.7A CN201810795571A CN108917644A CN 108917644 A CN108917644 A CN 108917644A CN 201810795571 A CN201810795571 A CN 201810795571A CN 108917644 A CN108917644 A CN 108917644A
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- module
- image
- processing module
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- stereo measuring
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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
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
Abstract
3 D stereo measuring system, provide a kind of and matching used system of 3 D stereo measuring instrument, including input module, processing module, adjustment module, output module, wherein input module is for handling image input, a customer satisfaction system frame is saved, and passes the result to image processing module and output module；Output module is electrically connected with processing module, and is mapped on the display of 3 D stereo measuring instrument, by the image of input module and processing module obtain as the result is shown on a user interface；The image that processing module is saved for input module is handled, and is carried out length conversion to the result of image procossing, is calculated volume, and result be presented to output module；Adjustment module is electrically connected with processing module and carries out data interaction, is modified for the result of apparent error.Operation of the present invention is simple, and imaging and calculating speed are fast, and measurement efficiency is high, and measurement result is accurate, can adapt to be suitble to promote in quickly handling large batch of express delivery.
Description
Technical field
The present invention relates to fields of measurement, specially a kind of 3 D stereo measuring software system.
Background technique
With the development of internet industry, by major electric business platform shopping online become public shopping main channel it
One, more stringent requirements are proposed with accuracy to the high efficiency of logistic industry for this trend.However, the express delivery of the overwhelming majority now
It receives site and takes pure manual operation to measure still according to traditional solution, staff holds tape measure, ruler, scale etc.
Tool carries out manual measurement, and this method error is larger, working efficiency is low, high labor cost, has much been unable to catch up with increasingly
Fast Express Logistics throughput speed.
In order to improve present situation, solve the problems, such as that processing speed is slow, the equipment that some sites use rapid survey,
But these equipment are mostly professional equipment, use expensive sophisticated sensor, do not have versatility；These instruments are also
It is required that object under test is placed into a certain specific position by operator to be deviateed, there is higher requirement to operator, also drop
Low measurement efficiency is not able to satisfy the demand of most of Express Logistics processing site equally.Therefore, a kind of sexual valence is needed in field
Than high, processing speed is fast, courier packages' measuring device with high efficiency, full automaticity, scalability, and, match therewith
The system of conjunction.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide a kind of 3 D stereo measuring system.
In order to solve the above technical problems, technical solution proposed by the present invention is：
3 D stereo measuring system, is based on 3 D stereo measuring instrument, and the 3 D stereo measuring instrument includes three and hangs down two-by-two
The articles holding table for the placement object under test that straight tilting plane is constituted, the side view and vertical view that measuring targets on articles holding table are set
Figure carries out the camera of Image Acquisition, carries out the processor of data processing to acquisition image and with the display of user interface,
The 3 D stereo measuring system includes input module, processing module, adjustment module, output module, the input module and three
The camera electrical connection of measurement in space instrument is tieed up, and is electrically connected with processing module, for handling image input, it is satisfied to save user
A frame, and pass the result to image processing module and output module；The output module is electrically connected with processing module, and is reflected
Be mapped on the display of 3 D stereo measuring instrument, by the image of input module and processing module obtain as the result is shown in user
On interface；The image that the processing module is saved for input module is handled, and is carried out length to the result of image procossing and is changed
It calculates, calculates volume, and result be presented to output module, including image processing module, tagsort module, computing module；Institute
It states adjustment module and data interaction is electrically connected and carried out with processing module, be modified for the result of apparent error.
In the present invention, the side view and top view image of object under test, Yi Jicao are respectively set in the user interface
Make button, wherein be the side view of camera acquisition in the upper left corner of user interface, the lower left corner is the vertical view of camera acquisition
Figure, " start " button on right side are that camera starts collecting work, and " save " button is the striograph that camera captures the moment
Piece, " threshold value 1 " are side view Boundary extracting algorithm threshold parameter, and " threshold value 2 " is top view Boundary extracting algorithm threshold parameter, right
Object under test height, length, width and the volume information being calculated are passed through in inferior horn display.
In the present invention, it is based on above-mentioned user interface, the operation of the 3 D stereo measuring system and operational process include：
1. user is waited to click start button；
2. clicking start, start image capture work, into input module；
3. user is waited to click save button；
4. clicking save, the current frame image of two cameras is automatically saved, into processing module（Submodule：Image procossing mould
Block, tagsort module, computing module）；
5. entering image processing module：Determine image complexity, image binaryzation, contours extract, Straight Line Identification；
6. entering tagsort module：Classify to identified straight line, identifies the length of object；
7. entering computing module：It is converted according to the transformational relation of pixel and physical length；
8. entering output module：The length of calculating, volume are shown in user interface, if being satisfied with this as a result, return step
1. otherwise carrying out in next step；
9. entering adjustment module：Change the threshold parameter in image processing module, so as to adjust measurement as a result, until user is full
Meaning, terminates to this single measurement, clicks start button and carries out new round measurement, repeatedly.
In the present invention, the 3 D stereo measuring system is based on OpenCV computer vision library and Qt user interface is opened
Send out frame, to regular three-dimension object carry out length measurement and further progress volume calculate, the OpenCV be based on
BSD license（Open source）The cross-platform computer vision library of distribution, the Qt are that cross-platform C++ graphical user interface application program is opened
Frame is sent out, Unix is applied to, Linux, Windows and Mac OS operating system platform is small in size, and professional platform independence can be good, fits
Embedded development is done in conjunction.
Compared with prior art, operation of the present invention is convenient, and fast response time can be quickly to rule when being used cooperatively with hardware
Object under test then carries out cubing, and length and volume size are shown in interface, and measuring speed is fast, precision
Height, when measurement result has obvious errors, user human intervention can be adjusted in the operation interface, it is ensured that measurement result is quasi-
Really, it can adapt in quickly handling large batch of express delivery, high-efficient, operation is simple, is suitble to promote.
Detailed description of the invention
Fig. 1 is system construction drawing of the invention；
Fig. 2 is display screen user interface schematic diagram of the invention；
Fig. 3 is course of work flow chart of the invention.
Specific embodiment
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described, but not therefore and
It limits the scope of the invention.
Referring to 3 D stereo measuring system shown in Fig. 1-3, it is based on 3 D stereo measuring instrument, the 3 D stereo measurement
Instrument includes the articles holding table for the placement object under test that three tilting planes perpendicular to each other are constituted, is arranged on articles holding table to be measured
The side view and top view of object carry out the camera of Image Acquisition, carry out the processor of data processing to acquisition image and have
The display of user interface, the 3 D stereo measuring system include input module, processing module, adjust module, output module,
The input module is electrically connected with the camera of 3 D stereo measuring instrument, and is electrically connected with processing module, for handling image
Input saves a customer satisfaction system frame, and passes the result to image processing module and output module；The output module and place
Module electrical connection is managed, and is mapped on the display of 3 D stereo measuring instrument, the image of input module and processing module are obtained
Out as the result is shown on a user interface；The image that the processing module is saved for input module is handled, at image
The result of reason carries out length conversion, calculates volume, and result be presented to output module, including image processing module, feature point
Generic module, computing module；The adjustment module is electrically connected with processing module and carries out data interaction, for the result of apparent error
It is modified.
In the present invention, the side view and top view shadow of object under test are respectively set in the user interface of the display
Picture and operation button, wherein be the side view of camera acquisition in the upper left corner of user interface, the lower left corner is adopted for camera
The top view of collection, " start " button on right side are that camera starts collecting work, and " save " button is that camera captures the moment
Image picture, " threshold value 1 " be side view Boundary extracting algorithm threshold parameter, " threshold value 2 " be top view Boundary extracting algorithm threshold
Object under test height, length, width and the volume information being calculated are passed through in value parameter, lower right corner display.
Based on above-mentioned 3 D stereo measuring system, operating process process includes the following steps：1. object under test is placed
After on articles holding table, object under test slides into minimum point, and camera starts to acquire image；2. the side view of measuring targets carries out
The work such as image preprocessing, edge extracting, straight line cluster can be by prior since distance is fixed between camera and object under test
The scale bar of calculating carries out the elevation information that simple linear conversion obtains object；3. the top view of measuring targets carries out image
The work such as pretreatment, edge extracting, straight line cluster, it is camera and object that the distance of camera to articles holding table, which subtracts object height,
The ratio of length in pixels and actual range under the current distance that the distance between body, the distance obtained by experiment and scale model are lived
Example ruler is obtained the physical length of detection line segment by simple linear conversion, filters out object under test by the angle of line segment
Length and width information；4. the volume of object under test is calculated in processor, show in the user interface；5. when gained volume is bright
When showing different from actual volume, 1. operator's adjustment programme is back to step, the Boundary extracting algorithm threshold value ginseng in adjustment algorithm
Number, re-start after the step of, when obvious abnormal, single measurement terminates.
Therefore, operation of the present invention is simple, and imaging and calculating speed are fast, and measurement efficiency is high, and measurement result is accurate, can adapt to
In quickly handling large batch of express delivery, it is suitble to promote.
Claims (4)
1. 3 D stereo measuring system, which is characterized in that be based on 3 D stereo measuring instrument, the 3 D stereo measuring instrument packet
It includes the articles holding table for the placement object under test that three tilting planes perpendicular to each other are constituted, measuring targets on articles holding table is set
Side view and top view carry out the camera of Image Acquisition, carry out the processor of data processing to acquisition image and have user circle
The display in face, the 3 D stereo measuring system includes input module, processing module, adjusts module, output module, described defeated
Enter module to be electrically connected with the camera of 3 D stereo measuring instrument, and be electrically connected with processing module, for handling image input, is protected
A customer satisfaction system frame is deposited, and passes the result to image processing module and output module；The output module and processing module
Electrical connection, and be mapped on the display of 3 D stereo measuring instrument, the knot that the image of input module and processing module are obtained
Fruit shows on a user interface；The image that the processing module is saved for input module is handled, to the knot of image procossing
Fruit carries out length conversion, calculates volume, and result be presented to output module, including image processing module, tagsort module,
Computing module；The adjustment module is electrically connected with processing module and carries out data interaction, is repaired for the result of apparent error
Just.
2. 3 D stereo measuring system according to claim 1, which is characterized in that be respectively set in the user interface to
The side view and top view image and operation button of survey object, wherein acquired in the upper left corner of user interface for camera
Side view, the lower left corner are the top view of camera acquisition, and " start " button on right side is that camera starts collecting work,
" save " button is the image picture that camera captures the moment, and " threshold value 1 " is side view Boundary extracting algorithm threshold parameter,
" threshold value 2 " is top view Boundary extracting algorithm threshold parameter, and object under test height, the length being calculated are passed through in lower right corner display
Degree, width and volume information.
3. 3 D stereo measuring system according to claim 2, which is characterized in that the behaviour of the 3 D stereo measuring system
Make and operational process includes：
1. user is waited to click start button；
2. clicking start, start image capture work, into input module；
3. user is waited to click save button；
4. clicking save, the current frame image of two cameras is automatically saved, into processing module（Submodule：Image procossing mould
Block, tagsort module, computing module）；
5. entering image processing module：Determine image complexity, image binaryzation, contours extract, Straight Line Identification；
6. entering tagsort module：Classify to identified straight line, identifies the length of object；
7. entering computing module：It is converted according to the transformational relation of pixel and physical length；
8. entering output module：The length of calculating, volume are shown in user interface, if being satisfied with this as a result, return step
1. otherwise carrying out in next step；
9. entering adjustment module：Change the threshold parameter in image processing module, so as to adjust measurement as a result, until user is full
Meaning, terminates to this single measurement, clicks start button and carries out new round measurement, repeatedly.
4. 3 D stereo measuring system according to claim 1, which is characterized in that the 3 D stereo measuring system base
In OpenCV computer vision library and Qt user interface development frame, the measurement of length is carried out simultaneously to regular three-dimension object
Further progress volume calculates, and the OpenCV is to be permitted based on BSD（Open source）The cross-platform computer vision library of distribution, it is described
Qt is cross-platform C++ graphical user interface application program development frame, is applied to Unix, Linux, Windows and Mac OS
Operating system platform.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810795571.7A CN108917644B (en) | 2018-07-19 | 2018-07-19 | Three-dimensional stereo measurement system |
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|---|---|---|---|
| CN201810795571.7A CN108917644B (en) | 2018-07-19 | 2018-07-19 | Three-dimensional stereo measurement system |
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| CN108917644A true CN108917644A (en) | 2018-11-30 |
| CN108917644B CN108917644B (en) | 2020-07-28 |
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| CN87100970A (en) * | 1986-02-24 | 1987-09-23 | 燃烧工程有限公司 | Goods and manufacture method thereof with wearing face layer |
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| WO2008093135A1 (en) * | 2007-01-29 | 2008-08-07 | Revcad Ltd | Fishing scope |
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| CN108917644B (en) | 2020-07-28 |
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