CN109752731A - A kind of one-way revolving door foreign matter detecting method - Google Patents
A kind of one-way revolving door foreign matter detecting method Download PDFInfo
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- CN109752731A CN109752731A CN201910021909.8A CN201910021909A CN109752731A CN 109752731 A CN109752731 A CN 109752731A CN 201910021909 A CN201910021909 A CN 201910021909A CN 109752731 A CN109752731 A CN 109752731A
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Abstract
The invention discloses a kind of one-way revolving door foreign matter detecting methods.The method in turn includes the following steps: data parsing, data rotation and mirror image, morphological analysis, data filtering, data filling, edge filtering, eliminating particle, judgement, Parameter analysis existing for foreign matter, alarm decision, signal processing terminate.The method can realize the foreign bodies detection on door leaf using related algorithm, carry out sound-light alarm prompt to the dangerous material detected, it is interior to achieve the purpose that limitation dangerous material enter while using unilateral gate progress personnel's discrepancy limitation.
Description
Technical field
The invention belongs to signal processing technology fields, and in particular to a kind of one-way revolving door foreign matter detecting method.
Background technique
One-way revolving door is a kind of revolving door that can make one unidirectionally to pass through.Revolving door on the market is all to prevent people logical at present
The design crossed, in certain Code in Hazardous Special Locations, for example including high-end residential, military organs, ammunition depot, bank vault, nuclear power station, airport
The entrances such as fence, crucial government department, high-speed rail station, along with modern attack of terrorism means constantly enhancing, simply prevents
Personnel enter the effective protection that can not achieve to significant points, for example, when the personnel of unilateral gate two sides on door leaf by opening
Patch suspension contraband is to achieve the purpose that bring dangerous material into important place etc..
For these reasons, it is intended that design a kind of foreign bodies detection side's method, limit can be entered and left carrying out personnel using unilateral gate
While processed, the foreign bodies detection on door leaf is realized using related algorithm.
Summary of the invention
The present invention is directed at least solve one of problems of the prior art.
The present invention be directed to revolving door inactions in the prior art on the market to prevent dangerous goods by designing.Pass through this
Foreign matter detecting method can utilize related algorithm to realize the foreign matter on door leaf while carrying out personnel's discrepancy limitation using unilateral gate
Detection carries out sound-light alarm prompt to the dangerous material detected, and it is interior to achieve the purpose that limitation dangerous material enter.
The present invention provides a kind of revolving door foreign matter detecting method, specifically comprises the following steps:
S1: data data parsing: are mapped into rectangular coordinate system by polar coordinate system；
S2: data rotation and mirror image: parsing data and physical location are corresponded；
S3: morphological analysis: the data obtained is successively expanded, contours extract；
S4: data filtering: by the scatterplot in treated data dump Beijing, prominent doubtful suspicious item；
S5: doubtful suspicious item data filling: is subjected to internal filling；
S6: edge filtering；
S7: eliminating particle: the particle that size is 1 is purged；
S8: the existing judgement of foreign matter: existing data are suspicious item after above-mentioned steps, if without suspicious item, it will be described
Frame data abandon；
S9: Parameter analysis: area, coordinate, perimeter and the direction of suspicious item are analyzed, and parameter is stored；
S10: alarm decision: carrying out correlation analysis for the new doubtful suspicious item of a frame and storage suspicious item data, related
Coefficient judges suspicious item occur on the door leaf when being at least 0.99；Conversely, abandoning this frame data；
S11: signal processing terminates.
Wherein:
It is swept in real time in the step S1 by door leaf plane of the data acquisition facility to revolving door of laser radar apparatus
It retouches and is acquired with data, is specially scanned between -60 ° to 240 °；Using signal processor as signal handling equipment, it is responsible for signal
Data are carried out sinusoidal, Cosine Analysis, calculation formula is as follows by processing, specially parsing data packet:
Wherein: x, y are the coordinate of rectangular coordinate system, and ρ is polar coordinates diameter, and θ is angle.
It further says, the data value in the data packet is polar coordinates diameter, is separated between data with comma, forms one
Group -60 to 240 and spacing be 0.5 ramp signal.
It further says, two equipment carries out data interaction by network interface, and data are sent to TCP data packet form
Signal processor.
The step S2 the specific steps are first rotating clockwise 180 °, then rotate horizontally 180 °.
The step S3 the specific steps are the background dot of doubtful foreign matter is merged into this object so that boundary is to extending out
, doubtful suspicious profile is extracted using gradient function.
The step S4 the specific steps are by smothing filtering template carry out scatterplot cleaning, the smothing filtering template
Are as follows:
The step S6 the specific steps are for being reduced to data in step S2 the case where, have and carry on the back on boundary
Scape noise reference point is removed if the point is adjacent with boundary.
The three-dimensional matrice that data storage specification is 20 × 3 × 4 in the step S9.
Compared with existing disclosed technical solution, the present invention is had the advantage that are as follows:
Foreign matter detecting method of the present invention can utilize correlation while carrying out personnel's discrepancy limitation using unilateral gate
Algorithm realizes the foreign bodies detection on door leaf, carries out sound-light alarm prompt to the dangerous material that detect, reaches in limitation dangerous material enter
Purpose.
Detailed description of the invention
Fig. 1 is the method flow diagram of one embodiment of the invention.
Specific embodiment
Below in conjunction with the specific embodiment and effect of specific embodiment the present invention is described in detail method.It should be noted that
It is that the combination of technical characteristic described in following embodiments or technical characteristic is not construed as isolated, they can be with
It is combined with each other to reach superior technique effect.
Below in conjunction with specific embodiment, the present invention is described in detail.
As shown in Figure 1, the present invention provides a kind of revolving door foreign matter detecting method, specifically comprise the following steps:
S1: data data parsing: are mapped into rectangular coordinate system by polar coordinate system；
S2: data rotation and mirror image: parsing data and physical location are corresponded；
S3: morphological analysis: the data obtained is successively expanded, contours extract；
S4: data filtering: by the scatterplot in treated data dump Beijing, prominent doubtful suspicious item；
S5: doubtful suspicious item data filling: is subjected to internal filling；
S6: edge filtering；
S7: eliminating particle: the particle that size is 1 is purged；
S8: the existing judgement of foreign matter: existing data are suspicious item after above-mentioned steps, if without suspicious item, it will be described
Frame data abandon；
S9: Parameter analysis: area, coordinate, perimeter and the direction of suspicious item are analyzed, and parameter is stored；
S10: alarm decision: carrying out correlation analysis for the new doubtful suspicious item of a frame and storage suspicious item data, related
Coefficient judges suspicious item occur on the door leaf when being at least 0.99；Conversely, abandoning this frame data；
S11: signal processing terminates.
Wherein:
It is swept in real time in the step S1 by door leaf plane of the data acquisition facility to revolving door of laser radar apparatus
It retouches and is acquired with data, is specially scanned between -60 ° to 240 °；Using signal processor as signal handling equipment, it is responsible for signal
Data are carried out sinusoidal, Cosine Analysis, calculation formula is as follows by processing, specially parsing data packet:
Wherein: x, y are the coordinate of rectangular coordinate system, and ρ is polar coordinates diameter, and θ is angle.
It further says, the data value in the data packet is polar coordinates diameter, is separated between data with comma, forms one
Group -60 to 240 and spacing be 0.5 ramp signal.
It further says, two equipment carries out data interaction by network interface, and data are sent to TCP data packet form
Signal processor.
The step S2 the specific steps are first rotating clockwise 180 °, then rotate horizontally 180 °.
The step S3 the specific steps are the background dot of doubtful foreign matter is merged into this object so that boundary is to extending out
, doubtful suspicious profile is extracted using gradient function.
The step S4 the specific steps are by smothing filtering template carry out scatterplot cleaning, the smothing filtering template
Are as follows:
The step S6 the specific steps are for being reduced to data in step S2 the case where, have and carry on the back on boundary
Scape noise reference point is removed if the point is adjacent with boundary.
The three-dimensional matrice that data storage specification is 20 × 3 × 4 in the step S9.
Although having been presented for some preferred embodiments of the invention herein, those skilled in the art should be managed
Solution, without departing from the spirit of the invention, can be changed the embodiments herein.Above-described embodiment is exemplary
, it should not be using the embodiments herein as the restriction of interest field of the present invention.
Claims (9)
1. a kind of one-way revolving door foreign matter detecting method, which is characterized in that described method includes following steps:
S1: data data parsing: are mapped into rectangular coordinate system by polar coordinate system；
S2: data rotation and mirror image: parsing data and physical location are corresponded；
S3: morphological analysis: the data obtained is successively expanded, contours extract；
S4: data filtering: by the scatterplot in treated data dump Beijing, prominent doubtful suspicious item；
S5: doubtful suspicious item data filling: is subjected to internal filling；
S6: edge filtering；
S7: eliminating particle: the particle that size is 1 is purged；
S8: the existing judgement of foreign matter: existing data are suspicious item after above-mentioned steps, if without suspicious item, by the frame number
According to discarding；
S9: Parameter analysis: area, coordinate, perimeter and the direction of suspicious item are analyzed, and parameter is stored；
S10: the new doubtful suspicious item of a frame and storage suspicious item data alarm decision: are subjected to correlation analysis, related coefficient
Judge suspicious item occur on the door leaf when at least 0.99；Conversely, abandoning this frame data；
S11: signal processing terminates.
2. a kind of one-way revolving door foreign matter detecting method as described in claim 1, which is characterized in that swash in the step S1
Optical radar equipment is that data acquisition facility carries out real time scan to the door leaf plane of revolving door and data acquire, specially at -60 °
It is scanned between to 240 °；Using signal processor as signal handling equipment, it is responsible for signal processing, specially parsing data packet, it is right
Data carry out sinusoidal, Cosine Analysis, and calculation formula is as follows:
Wherein: x, y are the coordinate of rectangular coordinate system, and ρ is polar coordinates diameter, and θ is angle.
3. a kind of one-way revolving door foreign matter detecting method as claimed in claim 2, which is characterized in that the number in the data packet
It is polar coordinates diameter according to value, is separated between data with comma, forms one group -60 to 240 and ramp signal that spacing is 0.5.
4. a kind of one-way revolving door foreign matter detecting method as claimed in claim 2, which is characterized in that two equipment passes through
Network interface carries out data interaction, and data are sent to signal processor with TCP data packet form.
5. a kind of one-way revolving door foreign matter detecting method as described in claim 1, which is characterized in that the step S2's is specific
Step is first to rotate clockwise 180 °, then rotate horizontally 180 °.
6. a kind of one-way revolving door foreign matter detecting method as described in claim 1, which is characterized in that the step S3's is specific
Step is that the background dot of doubtful foreign matter is merged into this object, so that boundary expands outwardly, is extracted using gradient function doubtful
Suspicious profile.
7. a kind of one-way revolving door foreign matter detecting method as described in claim 1, which is characterized in that the step S4's is specific
Step is that the cleaning of scatterplot, the smothing filtering template are carried out by smothing filtering template are as follows:
8. a kind of one-way revolving door foreign matter detecting method as described in right 1, which is characterized in that the specific steps of the step S6
The case where for for being reduced in step S2 to data, have on boundary with ambient noise reference point, if the point and boundary phase
Neighbour removes.
9. a kind of one-way revolving door foreign matter detecting method as described in right 1, which is characterized in that data storage in the step S9
The three-dimensional matrice that specification is 20 × 3 × 4.
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Application publication date: 20190514 |