CN108168443A - A kind of ice layer thickness detection method - Google Patents
A kind of ice layer thickness detection method Download PDFInfo
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- CN108168443A CN108168443A CN201710888838.2A CN201710888838A CN108168443A CN 108168443 A CN108168443 A CN 108168443A CN 201710888838 A CN201710888838 A CN 201710888838A CN 108168443 A CN108168443 A CN 108168443A
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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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/136—Segmentation; Edge detection involving thresholding
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The present invention relates to a kind of ice layer thickness detection method, this method includes：It provides and runs ice layer thickness detection triggering system, the system comprises：Temperature testing equipment is arranged on rail, for detecting the real time temperature on rail, and when the real time temperature on rail is less than or equal to preset temperature threshold, sends out low-temperature warning signal；Weight detection equipment is arranged on rail, for detecting the real-time weight on rail；Time division duplex communication interface, is arranged on rail, and establishing two-way Radio Link for the railway service centre with distal end connect；Audio alert equipment, is arranged on rail attachment, is connect with weight detection equipment, for when receiving overweight alarm signal, playing audio alert file corresponding with overweight alarm signal；Fixed mechanism, including egg type plastic shell, annular connect band, jitter analysis element and several capturing elements.
Description
Technical field
The present invention relates to on-site supervision field more particularly to a kind of ice layer thickness detection methods.
Background technology
Railroad track, abbreviation rail, rail, track etc..For railway, and with railway switch cooperation, enable train need not turn
To just walking.
Track is usually made of two parallel rail.Rail fixation is placed on sleeper, is cut under sleeper for road.With steel
Manufactured rail can bear the weight of bigger than unclassified stores.Sleeper is also known as sleeper or road pillow, and function is the weight rail
Amount separately spreads and rail is kept to fix, and maintains the gauge of rail.In general, the road quarrel that the bottom of track is paved into for chad.
Road quarrel is also known as ballast, rubble or railway roadbed, is to provide elasticity and drain function for track.Rail can also be layered on what concrete was built up
On pedestal (on bridge just fairly common) or even inside concrete.
The design of existing railroad track only focuses on railroad track material itself, structure and structure form or only focuses on
The monitoring of the various parameters of railroad track lacks the ice layer thickness detection of extreme case, such as the railroad track of extremely frigid zones
Effectively, high-precision testing mechanism.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of ice layer thickness detection method, strong guarantee extremely frigid zones
Railroad track operational safety.
The present invention at least has following two important inventive points：
(1) it based on the analysis of image content to several capturing elements on holder, determines to transport in each capturing element
The motion vector of animal body determines that flexible holder shakes arrow accordingly based on several motion vectors of several capturing elements
Amount, consequently facilitating the capturing element of maximum quantity carries out track up to moving target；
(2) piecemeal is carried out to pending image by histogram cluster analysis, base is performed to each subgraph after piecemeal
In complexity adaptive Target Segmentation threshold range determine, so as to improve succeeding target identification reliability.
According to an aspect of the present invention, a kind of ice layer thickness detection method is provided, this method includes：
1) a kind of ice layer thickness detection triggering system is provided, the system comprises：
Temperature testing equipment is arranged on rail, for detecting the real time temperature on rail, and the real-time temperature on rail
When degree is less than or equal to preset temperature threshold, low-temperature warning signal is sent out；
Weight detection equipment is arranged on rail, for detecting the real-time weight on rail, and the real-time weight on rail
When amount is more than or equal to preset weight threshold value, overweight alarm signal is sent out；
Time division duplex communication interface, is arranged on rail, is established for the railway service centre with distal end two-way wireless
Link connection；
Audio alert equipment, is arranged on rail attachment, is connect with weight detection equipment, for receiving overweight alarm signal
Number when, play corresponding with overweight alarm signal audio alert file, meanwhile, the real-time weight on broadcasting rail；
Fixed mechanism is arranged near rail, including egg type plastic shell, annular connect band, jitter analysis element and
Several capturing elements, egg type plastic shell are fixedly connected on telescope support, and annular connect band is used to be socketed in egg type plastics
On the outer surface of shell, several capturing elements are non-to be equally spacedly distributed in annular connect band, wherein, closer to flexible branch
Frame, the spacing between capturing element are bigger；
Several capturing elements are used to that scene around to be shot respectively to obtain several real-time scene images respectively
Stream, jitter analysis element are connect respectively with several capturing elements, and following handle is performed to each capturing element：Based on real-time
The data analysis of front and rear real-time scene image in scene image stream judges and exports the motion vector of moving object therein；With
And
2) system is run.
Description of the drawings
Embodiment of the present invention is described below with reference to attached drawing, wherein：
Fig. 1 is a kind of the brief of layout structure of the ice layer thickness detection triggering system according to embodiment of the present invention
Structure diagram.
Fig. 2 is the letter of another layout structure of the ice layer thickness detection triggering system according to embodiment of the present invention
Want structure diagram.
Specific embodiment
The embodiment of the ice layer thickness detection triggering system of the present invention is described in detail below with reference to accompanying drawings.
In order to overcome above-mentioned deficiency, the present invention has built a kind of ice layer thickness detection method, and this method includes：It provides and transports
Row ice layer thickness detects triggering system.The present invention solves the difficulty that ice layer thickness is difficult to detect in real time using image procossing mode
Point.
Fig. 1 is a kind of the brief of layout structure of the ice layer thickness detection triggering system according to embodiment of the present invention
Structure diagram, Fig. 2 are another layout structure of the ice layer thickness detection triggering system according to embodiment of the present invention
Brief configuration schematic diagram, as shown in the figure, the system comprises：
Temperature testing equipment is arranged on rail, for detecting the real time temperature on rail, and the real-time temperature on rail
When degree is less than or equal to preset temperature threshold, low-temperature warning signal is sent out；
Weight detection equipment is arranged on rail, for detecting the real-time weight on rail, and the real-time weight on rail
When amount is more than or equal to preset weight threshold value, overweight alarm signal is sent out；
Time division duplex communication interface, is arranged on rail, is established for the railway service centre with distal end two-way wireless
Link connection；
Audio alert equipment, is arranged on rail attachment, is connect with weight detection equipment, for receiving overweight alarm signal
Number when, play corresponding with overweight alarm signal audio alert file, meanwhile, the real-time weight on broadcasting rail；
Fixed mechanism is arranged near rail, including egg type plastic shell, annular connect band, jitter analysis element and
Several capturing elements, egg type plastic shell are fixedly connected on telescope support, and annular connect band is used to be socketed in egg type plastics
On the outer surface of shell, several capturing elements are non-to be equally spacedly distributed in annular connect band, wherein, closer to flexible branch
Frame, the spacing between capturing element are bigger；
Several capturing elements are used to that scene around to be shot respectively to obtain several real-time scene images respectively
Stream, jitter analysis element are connect respectively with several capturing elements, and following handle is performed to each capturing element：Based on real-time
The data analysis of front and rear real-time scene image in scene image stream judges and exports the motion vector of moving object therein.
Then, continue that the concrete structure of the ice layer thickness detection triggering system of the present invention is further detailed.
In the ice layer thickness detects triggering system, further include：
Image mosaic device is connect with several capturing elements, for receive several capturing elements shooting several
Real-time scene image identifies the overlapping region between several real-time scene images, and perform removal overlapping region several
The union operation of real-time scene image, to obtain and export pending image；
Jitter analysis element determines that flexible holder is shaken accordingly based on several motion vectors of several capturing elements
Vector.
In the ice layer thickness detects triggering system, further include：
Flexible holder, including telescope support, trapezoidal erecting bed and direct current generator, telescope support is located on trapezoidal erecting bed,
Direct current generator is located in trapezoidal erecting bed, and direct current generator is based on shake vector controlled telescope support for receiving shake vector
Carry out corresponding expanding-contracting action.
In the ice layer thickness detects triggering system, further include：
Histogram clusters equipment, and for receiving pending image, pending image is carried out by histogram cluster analysis
Segmentation, to obtain each subgraph；
Complexity detection device is connect with histogram cluster equipment, for receiving each subgraph, for each subgraph
Picture carries out complexity detection, to obtain each complexity of each subgraph to the subgraph；
Self-adapting data extraction equipment clusters equipment with histogram respectively and complexity detection device is connect, for receiving
Each subgraph and each complexity for receiving each subgraph, the subgraph is determined based on the complexity of each subgraph
The ice body segmentation threshold range of picture, wherein, the complexity of subgraph is higher, and the ice body segmentation threshold range wide of the subgraph is got over
It is small；
Image analysis equipment is connect with threshold value selection equipment, for performing each subgraph based on corresponding ice body point
The ice body dividing processing of threshold value is cut, to obtain corresponding sub-pattern, the sub-pattern of all subgraphs is spliced each to obtain
A composed pattern, and the content analysis based on each composed pattern is to obtain maximum ice layer thickness；
Wherein, the side of flexible holder is connect, for real-time display also embedded with liquid crystal display panel with jitter analysis element
Several motion vectors of several capturing elements are additionally operable to the real-time display holder that stretches and shake vector accordingly；
Wherein, several capturing elements are all connect with temperature testing equipment, for when receiving low-temperature warning signal, side
Start the shooting to scene around, be additionally operable to when not receiving low-temperature warning signal, stop the shooting to scene around.
In the ice layer thickness detects triggering system：
The audio alert equipment is also connect with image analysis equipment, for the maximum ice layer thickness received be more than etc.
When preset thickness threshold value, audio alert signal is sent out.
In the ice layer thickness detects triggering system, further include：
Scene shows equipment, is connect with image analysis equipment, pre- for being more than or equal in the maximum ice layer thickness received
If during thickness threshold value, real-time display and ice layer thickness transfinite corresponding character string.
In the ice layer thickness detects triggering system, further include：
The time division duplex communication interface is also connect with image analysis equipment, for big in the maximum ice layer thickness received
When equal to preset thickness threshold value, sending out ice layer thickness by time division duplex wireless link transfinites signal.
In addition, time division duplex is a kind of duplex mode of communication system, receive in mobile communication system for detaching and
Transmit channel.Positive third generation development, China have submitted 3G (Third Generation) Moblie standard grass in June, 1997 to mobile communication at present
Case (TD-SCDMA), the characteristics such as tdd mode and smart antenna new technology are greatly prized by and into three main candidate standards
One of.Fdd mode rules all the land in the first generation and second generation mobile communication system, and tdd mode does not draw attention.But due to
The needs of new business and the development of new technology and many advantages of tdd mode, tdd mode will be paid more and more attention.
The operation principle of time division duplex is as follows：TDD is a kind of duplex mode of communication system, is used in mobile communication system
It is received and transmission channel (or uplink downlink) in separation.It is received in the mobile communication system of tdd mode and transmission is same
The different time-gap of frequency channels, that is, carrier wave detaches reception and transmission channel with the time is ensured；And the mobile communication system of fdd mode
The reception and transmission of system are on two symmetrical frequency channels of separation, and reception and transmission channel are detached with frequency range is ensured.
It is different using the mobile communication system feature and communication benefit of different dual-modes.The movement of tdd mode is led to
The same frequency of uplink and downlink channel in letter system, thus the reciprocity with uplink and downlink channel, this leads to the movement of tdd mode
Letter system brings many advantages.
In tdd mode, in uplink and downlink the transmission of information can be carried out in same carrier frequency, i.e.,
The transmission of information is to be realized on same carrier wave by the time-division in the transmission of information and downlink in uplink.
Ice layer thickness using the present invention detects triggering system, is difficult to examine for railroad track ice layer thickness in the prior art
The technical issues of survey, by performing the ice body dividing processing based on corresponding ice body segmentation threshold to the image for being originated from railroad track,
To obtain corresponding sub-pattern, the sub-pattern of all subgraphs is spliced to obtain each composed pattern, and based on each
The content analysis of composed pattern, when maximum ice layer thickness is more than thickness threshold value, sends out alarm to obtain maximum ice layer thickness
Signal, meanwhile, only when receiving low-temperature warning signal, side starts the shooting to scene around, so as to solve above-mentioned skill
Art problem.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any those skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications are all made to technical solution of the present invention using the technology contents of the disclosure above or are revised as
With the equivalent embodiment of variation.Therefore, every content without departing from technical solution of the present invention, technical spirit pair according to the present invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (7)
1. a kind of ice layer thickness detection method, this method include：
1) a kind of ice layer thickness detection triggering system is provided, the system comprises：
Temperature testing equipment is arranged on rail, and for detecting the real time temperature on rail, and the real time temperature on rail is small
When equal to preset temperature threshold, low-temperature warning signal is sent out；
Weight detection equipment is arranged on rail, and for detecting the real-time weight on rail, and the real-time weight on rail is big
When equal to preset weight threshold value, overweight alarm signal is sent out；
Time division duplex communication interface, is arranged on rail, and two-way Radio Link is established for the railway service centre with distal end
Connection；
Audio alert equipment, is arranged on rail attachment, is connect with weight detection equipment, for receiving overweight alarm signal
When, audio alert file corresponding with overweight alarm signal is played, meanwhile, play the real-time weight on rail；
Fixed mechanism is arranged near rail, including egg type plastic shell, annular connect band, jitter analysis element and several
A capturing element, egg type plastic shell are fixedly connected on telescope support, and annular connect band is used to be socketed in egg type plastic shell
Outer surface on, several capturing elements are non-to be equally spacedly distributed in annular connect band, wherein, closer to telescope support, clap
The spacing taken the photograph between element is bigger；
Several capturing elements are trembled for being shot respectively to scene around to obtain several real-time scene image streams respectively
Dynamic analysis element is connect respectively with several capturing elements, and following handle is performed to each capturing element：Based on real-time scene
The data analysis of front and rear real-time scene image in image stream judges and exports the motion vector of moving object therein；And
2) system is run.
2. the method as described in claim 1, which is characterized in that the system also includes：
Image mosaic device is connect with several capturing elements, for receive several capturing elements shooting several in real time
Scene image identifies the overlapping region between several real-time scene images, and perform removal overlapping region several in real time
The union operation of scene image, to obtain and export pending image；
Jitter analysis element determines that flexible holder shakes vector accordingly based on several motion vectors of several capturing elements.
3. method as claimed in claim 2, which is characterized in that the system also includes：
Flexible holder, including telescope support, trapezoidal erecting bed and direct current generator, telescope support is located on trapezoidal erecting bed, direct current
Motor is located in trapezoidal erecting bed, and direct current generator is carried out for receiving shake vector based on shake vector controlled telescope support
Corresponding expanding-contracting action.
4. method as claimed in claim 3, which is characterized in that the system also includes：
Histogram clusters equipment, and for receiving pending image, pending image is split by histogram cluster analysis,
To obtain each subgraph；
Complexity detection device is connect with histogram cluster equipment, for receiving each subgraph, for each subgraph,
Complexity detection is carried out to the subgraph, to obtain each complexity of each subgraph；
Self-adapting data extraction equipment clusters equipment with histogram respectively and complexity detection device is connect, each for receiving
Subgraph and each complexity for receiving each subgraph, the subgraph is determined based on the complexity of each subgraph
Ice body segmentation threshold range, wherein, the complexity of subgraph is higher, and the ice body segmentation threshold range wide of the subgraph is smaller；
Image analysis equipment is connect with threshold value selection equipment, divides threshold based on corresponding ice body for being performed to each subgraph
The ice body dividing processing of value to obtain corresponding sub-pattern, the sub-pattern of all subgraphs is spliced to obtain each spelling
Map interlinking case, and the content analysis based on each composed pattern is to obtain maximum ice layer thickness；
Wherein, the side of flexible holder is connect also embedded with liquid crystal display panel with jitter analysis element, several for real-time display
Several motion vectors of a capturing element are additionally operable to the real-time display holder that stretches and shake vector accordingly；
Wherein, several capturing elements are all connect with temperature testing equipment, for when receiving low-temperature warning signal, side to start
Shooting to scene around is additionally operable to when not receiving low-temperature warning signal, stop the shooting to scene around.
5. method as claimed in claim 4, it is characterised in that：
The audio alert equipment is also connect with image analysis equipment, pre- for being more than or equal in the maximum ice layer thickness received
If during thickness threshold value, send out audio alert signal.
6. method as claimed in claim 5, which is characterized in that further include：
Scene shows equipment, is connect with image analysis equipment, for being more than or equal to default thickness in the maximum ice layer thickness received
When spending threshold value, real-time display and ice layer thickness transfinite corresponding character string.
7. method as claimed in claim 6, which is characterized in that further include：
The time division duplex communication interface is also connect with image analysis equipment, for the maximum ice layer thickness received be more than etc.
When preset thickness threshold value, sending out ice layer thickness by time division duplex wireless link transfinites signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710888838.2A CN108168443A (en) | 2017-09-27 | 2017-09-27 | A kind of ice layer thickness detection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710888838.2A CN108168443A (en) | 2017-09-27 | 2017-09-27 | A kind of ice layer thickness detection method |
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| CN108168443A true CN108168443A (en) | 2018-06-15 |
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| CN201710888838.2A Pending CN108168443A (en) | 2017-09-27 | 2017-09-27 | A kind of ice layer thickness detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2593825A (en) * | 2020-04-02 | 2021-10-06 | The Imagination Factory Ltd | Surface condition monitoring of railway tracks |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1798264A (en) * | 2004-12-27 | 2006-07-05 | 佳能株式会社 | Image sensing apparatus and control method thereof |
| CN101556142A (en) * | 2009-03-11 | 2009-10-14 | 湖南大学 | Visual detection method of ice coating thickness of overhead lines |
| CN202158870U (en) * | 2011-07-18 | 2012-03-07 | 航天科工深圳（集团）有限公司 | Icing state monitoring system of overhead transmission line |
| CN203177804U (en) * | 2013-03-22 | 2013-09-04 | 中国计量学院 | Information acquisition support mechanism carrying out coal estimating by employing mesh surface structured light |
| CN104637057A (en) * | 2015-02-04 | 2015-05-20 | 昆明理工大学 | Grayscale-gradient entropy multi-threshold fast division method based on genetic algorithm |
| CN106558055A (en) * | 2016-11-11 | 2017-04-05 | 江苏理工学院 | Method and step for segmenting gray level image based on image complexity of quadratic curve fitting |
-
2017
- 2017-09-27 CN CN201710888838.2A patent/CN108168443A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1798264A (en) * | 2004-12-27 | 2006-07-05 | 佳能株式会社 | Image sensing apparatus and control method thereof |
| CN101556142A (en) * | 2009-03-11 | 2009-10-14 | 湖南大学 | Visual detection method of ice coating thickness of overhead lines |
| CN202158870U (en) * | 2011-07-18 | 2012-03-07 | 航天科工深圳（集团）有限公司 | Icing state monitoring system of overhead transmission line |
| CN203177804U (en) * | 2013-03-22 | 2013-09-04 | 中国计量学院 | Information acquisition support mechanism carrying out coal estimating by employing mesh surface structured light |
| CN104637057A (en) * | 2015-02-04 | 2015-05-20 | 昆明理工大学 | Grayscale-gradient entropy multi-threshold fast division method based on genetic algorithm |
| CN106558055A (en) * | 2016-11-11 | 2017-04-05 | 江苏理工学院 | Method and step for segmenting gray level image based on image complexity of quadratic curve fitting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2593825A (en) * | 2020-04-02 | 2021-10-06 | The Imagination Factory Ltd | Surface condition monitoring of railway tracks |
| GB2593825B (en) * | 2020-04-02 | 2024-03-06 | Plasmatrack Ltd | Surface condition monitoring of railway tracks |
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Application publication date: 20180615 |