CN109873915A - A kind of compensation device and method of scanner - Google Patents
A kind of compensation device and method of scanner Download PDFInfo
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- CN109873915A CN109873915A CN201910040315.1A CN201910040315A CN109873915A CN 109873915 A CN109873915 A CN 109873915A CN 201910040315 A CN201910040315 A CN 201910040315A CN 109873915 A CN109873915 A CN 109873915A
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Abstract
This application provides a kind of compensation devices of scanner, comprising: acquisition module is sent to processing module for obtaining the real time scan speed of scanning sensor, and by the real time scan speed；The processing module generates scan control signal, and the scan control signal is sent to drive module for receiving the real time scan speed；The drive module drives scanning sensor for receiving the scan control signal, and according to the scan control signal.Device provided by the present application can directly export correct imaging results, not need the secondary treatment in later period, realize the continuous scanning of high speed, and improve the accuracy of scanning according to scanning speed Real-time Feedback correct scan frequency.
Description
Technical field
This application involves automation control areas, in particular to the compensation device and method of a kind of scanner.
Background technique
In this digitized epoch, scanner becomes a kind of essential office equipment.Scanner is with right line by line
The mode that target carries out sample conversion imaging works, therefore sample frequency is proportional with scanning speed, i.e., scanning speed mentions
High then sample frequency is also correspondingly improved, and being otherwise ultimately imaged can deform.
And scanning speed is realized by motor-driven machine tool drive mechanism, due to by manufacturing process, running environment, sweeping
The differential scan speed for retouching target can change, when velocity variable has been more than the allowed band of scanner optical device,
It is ultimately imaged and will appear local longitudinal direction (scanning direction) deformation, while with the raising of scanning speed, the frequency of optical sampling
It improving, this can reduce optical device to the tolerance of velocity variations, therefore high speed scanner is more sensitive to the variation of speed,
The device deformed need to be prevented in this kind of scanner increase.
The prior art uses Compensation Analysis method, i.e. writing scan speed while scanning sample, when a target is swept
After retouching, sampled result is corrected according to scanning speed using algorithm, to obtain correct image.
Summary of the invention
In view of this, a kind of compensation device and method for being designed to provide scanner of the application, existing for solving
The problem of image local linear deformation that scanner scanning obtains in technology.It can be according to scanning speed Real-time Feedback correct scan
Frequency directly exports correct imaging results, does not need the secondary treatment in later period, realizes the continuous scanning of high speed, and improves
The accuracy of scanning.
In a first aspect, the embodiment of the present application provides a kind of compensation device of scanner, which includes:
Acquisition module is sent to for obtaining the real time scan speed of scanning sensor, and by the real time scan speed
Processing module；
The processing module generates scan control signal, and the scanning is controlled for receiving the real time scan speed
Signal processed is sent to drive module；
The drive module for receiving the scan control signal, and drives according to the scan control signal and scans
Sensor.
With reference to first aspect, the embodiment of the present application provides the first possible embodiment of first aspect, wherein institute
State acquisition module, comprising: lens group, light source, optical sensor, arithmetic element, wherein
In the light refraction that the lens group issues the light source to scanning target, the scanning target reflects the folding
Light after penetrating, the light are entered in the optical sensor by the lens group, and the optical sensor will collect
Image transmitting give the arithmetic element, the arithmetic element handles described image, calculates the real time scan speed
Degree.
With reference to first aspect, the embodiment of the present application provides second of possible embodiment of first aspect, wherein institute
State processing module, comprising:
The processing module is swept described in generation according to the technical parameter of the real time scan speed and the scanning sensor
Retouch control signal.
With reference to first aspect, the embodiment of the present application provides the third possible embodiment of first aspect, wherein institute
State drive module, comprising:
It is simple to drive scanning sensor to sweeping according to the scan control signal for the scanner of single sweep sensor
Target is retouched to be scanned.
With reference to first aspect, the embodiment of the present application provides the 4th kind of possible embodiment of first aspect, wherein institute
State drive module, comprising:
Delayed startup logic is set, to any according to the scan control signal for the scanner of double scanning sensors
The scanning sensor is simply driven, and carries out delay and running to another scanning sensor.
Second aspect, the embodiment of the present application provide a kind of compensation method of scanner, this method comprises:
The real time scan speed of scanning sensor is obtained, and the real time scan speed is sent to processing module；
The processing module receives the real time scan speed, generates scan control signal, and the scan control is believed
Number it is sent to drive module；
The drive module receives the scan control signal, and drives scanning sensing according to the scan control signal
Device.
In conjunction with second aspect, the embodiment of the present application provides the first possible embodiment of second aspect, described to obtain
The real time scan speed of scanning sensor is taken, and the real time scan speed is sent to processing module, comprising:
In the light refraction that lens group issues the light source to scanning target, after the scanning target reflects the refraction
Light, the light entered in optical sensor by the lens group, and the optical sensor passes acquired image
It is defeated by arithmetic element, the arithmetic element handles described image, calculates the real time scan speed.
In conjunction with second aspect, the embodiment of the present application provides second of possible embodiment of second aspect, the place
It manages module and receives the real time scan speed, generate scan control signal, and the scan control signal is sent to driving mould
Block, comprising:
The processing module is swept described in generation according to the technical parameter of the real time scan speed and the scanning sensor
Retouch control signal.
In conjunction with second aspect, the embodiment of the present application provides the third possible embodiment of second aspect, the drive
Dynamic model block receives the scan control signal, and drives scanning sensor according to the scan control signal, comprising:
It is simple to drive scanning sensor to sweeping according to the scan control signal for the scanner of single sweep sensor
Target is retouched to be scanned.
In conjunction with second aspect, the embodiment of the present application provides the 4th kind of possible embodiment of second aspect, the drive
Dynamic model block receives the scan control signal, and drives scanning sensor according to the scan control signal, comprising:
Delayed startup logic is set, to any according to the scan control signal for the scanner of double scanning sensors
The scanning sensor is simply driven, and carries out delay and running to another scanning sensor.
The compensation device and method for a kind of scanner that the embodiment of the present application proposes, by obtaining the real-time of scanning sensor
Scanning speed, calculates in real time according to real time scan speed and the scan frequency of correct scan sensor, directly output are correct
Imaging results.The compensation device and method for the scanner that the embodiment of the present application is proposed control scanning sample frequency according to real-time speed
Rate, instead of, in the method for speed (or empirical value) the Lai Shengcheng sampling time sequence estimated, improving standard in former scanning control system
Exactness reduces development difficulty.
To enable the above objects, features, and advantages of the application to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of structural schematic diagram of the compensation device of scanner provided by the embodiments of the present application；
Fig. 2 is a kind of schematic diagram of the compensation device of scanner provided by the embodiments of the present application；
Fig. 3 is a kind of structural schematic diagram of acquisition module provided by the embodiments of the present application；
Fig. 4 is a kind of structural schematic diagram of the compensation method of scanner provided by the embodiments of the present application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
Middle attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
It is some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is real
The component for applying example can be arranged and be designed with a variety of different configurations.Therefore, below to the application's provided in the accompanying drawings
The detailed description of embodiment is not intended to limit claimed scope of the present application, but is merely representative of the selected reality of the application
Apply example.Based on embodiments herein, those skilled in the art institute obtained without making creative work
There are other embodiments, shall fall in the protection scope of this application.
The embodiment of the present application provides a kind of compensation device of scanner, as shown in Figure 1, including with flowering structure:
Acquisition module 10 is sent for obtaining the real time scan speed of scanning sensor, and by above-mentioned real time scan speed
To processing module.
Specifically, acquisition module obtains the real time scan speed of scanning sensor, it is, scanning target and scanning sense
Then obtained real time scan speed is sent to processing module and is handled in real time by the relative velocity of device.
Processing module 11 generates scan control signal for receiving above-mentioned real time scan speed, and by above-mentioned scan control
Signal is sent to drive module.
Specifically, processing module, according to the real time scan speed, is generated after receiving real time scan speed by calculating
Corresponding scan control signal, and the scan control signal is sent to drive module.
Wherein, the calculation for generating scan control signal can use DSP (Digital Signal Processing, Digital
Signal Processing) or FPGA (field programmable gate array, Field-Programmable Gate Array), meter
Calculation mode the application not limits.
Drive module 12 drives scanning to pass for receiving above-mentioned scan control signal, and according to above-mentioned scan control signal
Sensor.
Specifically, drive module can drive scanning sensing after receiving scan control signal according to scan control signal
Device changes scanning speed, with the local linear deformation in this target image to reduce scanning sensor acquisition.
It is the example diagram of above-mentioned apparatus shown in Fig. 2, in figure, velocity sensor is acquisition module, and scan frequency generator is place
Module is managed, scanning sensor driving is drive module, and Fig. 2 is the one of which of the deployment way of above-mentioned compensation device, can also
Three modules are carried out arbitrarily independent and combination according to specific design, the application is not limited.
In an optional embodiment, as shown in figure 3, acquisition module 10, comprising: lens group 101, light source 102, optics pass
Sensor 103, arithmetic element 104, wherein
In the light refraction that lens group 101 issues light source 102 to scanning target, above-mentioned scanning target reflects above-mentioned refraction
Light afterwards, above-mentioned rays pass through lens group 101 enter in optical sensor 103, and optical sensor 103 is by acquired image
It is transferred to arithmetic element 104, arithmetic element 104 handles above-mentioned image, calculates above-mentioned real time scan speed.
Specifically, when acquisition module is started to work, light source luminescent, refractive illumination of the light of light source Jing Guo lens group is being swept
It retouches in target, scans target reflecting light line, the light of reflection enters optical sensor using lens group, and optical sensor receives
To after light, light is processed into image transmitting to arithmetic element, arithmetic element calculates scanning sensor according to the image
Real time scan speed.
Wherein, CMOS optical sensor, ccd sensor etc. can be used in optical sensor, and the application not limits.
Optionally, the light that light source issues can be also transmitted in scanning target by lens group by way of reflection, scanning
Target reflects the light, and the light is again by lens group, and into optical sensor, optical sensor is by acquired image
It is transferred to arithmetic element, arithmetic element handles above-mentioned image, calculates above-mentioned real time scan speed.
In an optional embodiment, processing module 11, comprising:
Processing module 11 generates above-mentioned scanning according to the technical parameter of above-mentioned real time scan speed and above-mentioned scanning sensor
Control signal.
Specifically, processing module calculates current sweep by the scanning speed and the scanning resolution of itself of scanning sensor
The period is retouched, generates the controlling of sampling timing of amendment, in conjunction with the technical parameter of scanning sensor to generate scan control signal.
Wherein, the technical parameter of scanning sensor is the scanning sample electric parameter that scanning sensor manufacturer provides, including
Sample frequency, sampling number, sampling time sequence of scanning sensor etc..
In an optional embodiment, drive module 12, comprising:
It is simple to drive scanning sensor to sweeping according to above-mentioned scan control signal for the scanner of single sweep sensor
Target is retouched to be scanned.
Specifically, if scanner is the single-sweep instrument of only one scanning sensor, according to above-mentioned scanning
Signal is controlled, scanning sensor is simply driven, changes the scan frequency of scanning sensor in real time.
In an optional embodiment, drive module 12, comprising:
Delayed startup logic is set, to any according to above-mentioned scan control signal for the scanner of double scanning sensors
Above-mentioned scanning sensor is simply driven, and carries out delay and running to another scanning sensor.
Specifically, if scanner is the Double face scanner there are two scanning sensor, Double face scanner design when
It waits in order to avoid two scanning sensors interact, two scanning sensors can be installed in a staggered manner in the direction of movement, therefore
The sampling time sequence for necessarily having a scanning sensor can have certain delay, so drive module can be believed according to scan control
Number, two the one of of scanning sensor are started immediately, another carries out delayed startup.
The embodiment of the present application also provides a kind of compensation methodes of scanner, as shown in figure 3, including the following steps S200-
S202:
S200, the real time scan speed for obtaining scanning sensor, and above-mentioned real time scan speed is sent to processing module.
Specifically, acquisition module obtains the real time scan speed of scanning sensor, it is, scanning target and scanning sense
Then obtained real time scan speed is sent to processing module and is handled in real time by the relative velocity of device.
S201, above-mentioned processing module receive above-mentioned real time scan speed, generate scan control signal, and above-mentioned scanning is controlled
Signal processed is sent to drive module.
Specifically, processing module, according to the real time scan speed, is generated after receiving real time scan speed by calculating
Corresponding scan control signal, and the scan control signal is sent to drive module.
Wherein, the calculation for generating scan control signal can not be limited using DSP or FPGA, calculation the application
System.
S202, above-mentioned drive module receive above-mentioned scan control signal, and are driven and scanned according to above-mentioned scan control signal
Sensor.
Specifically, drive module can drive scanning sensing after receiving scan control signal according to scan control signal
Device changes scanning speed, with the local linear deformation in this target image to reduce scanning sensor acquisition.
In an optional embodiment, step S200, the real time scan speed of above-mentioned acquisition scanning sensor, and will be above-mentioned
Real time scan speed is sent to processing module, comprising:
In the light refraction that lens group issues above-mentioned light source to scanning target, after above-mentioned scanning target reflects above-mentioned refraction
Light, the light entered in optical sensor by said lens group, and above-mentioned optical sensor passes acquired image
It is defeated by arithmetic element, above-mentioned arithmetic element handles above-mentioned image, calculates above-mentioned real time scan speed.
Specifically, when acquisition module is started to work, light source luminescent, refractive illumination of the light of light source Jing Guo lens group is being swept
It retouches in target, scans target reflecting light line, the light of reflection enters optical sensor using lens group, and optical sensor receives
To after light, light is processed into image transmitting to arithmetic element, arithmetic element calculates scanning sensor according to the image
Real time scan speed.
Optionally, the light that light source issues can be also transmitted to by lens group by way of reflection is swept in scanning target
It retouches target and reflects the light, change light again by lens group, into optical sensor, optical sensor talent's several points are arrived
Image transmitting is handled above-mentioned image to arithmetic element, arithmetic element, calculates above-mentioned real time scan speed.
In an optional embodiment, step S201, above-mentioned processing module receives above-mentioned real time scan speed, generates scanning
Signal is controlled, and above-mentioned scan control signal is sent to drive module, comprising:
Above-mentioned processing module generates above-mentioned sweep according to the technical parameter of above-mentioned real time scan speed and above-mentioned scanning sensor
Retouch control signal.
Specifically, processing module calculates current sweep by the scanning speed and the scanning resolution of itself of scanning sensor
The period is retouched, generates the controlling of sampling timing of amendment, in conjunction with the technical parameter of scanning sensor to generate scan control signal.
Wherein, the technical parameter of scanning sensor is the scanning sample electric parameter that scanning sensor manufacturer provides, including
Sample frequency, sampling number, sampling time sequence of scanning sensor etc..
In an optional embodiment, step S202, above-mentioned drive module receives above-mentioned scan control signal, and according to upper
State scan control signal driving scanning sensor, comprising:
It is simple to drive scanning sensor to sweeping according to above-mentioned scan control signal for the scanner of single sweep sensor
Target is retouched to be scanned.
Specifically, if scanner is the single-sweep instrument of only one scanning sensor, according to above-mentioned scanning
Signal is controlled, scanning sensor is simply driven, changes the scan frequency of scanning sensor in real time.
In an optional embodiment, step S202, above-mentioned drive module receives above-mentioned scan control signal, and according to upper
State scan control signal driving scanning sensor, comprising:
Delayed startup logic is set, to any according to above-mentioned scan control signal for the scanner of double scanning sensors
Above-mentioned scanning sensor is simply driven, and carries out delay and running to another scanning sensor.
Specifically, if scanner is the Double face scanner there are two scanning sensor, Double face scanner design when
It waits in order to avoid two scanning sensors interact, two scanning sensors can be installed in a staggered manner in the direction of movement, therefore
The sampling time sequence for necessarily having a scanning sensor can have certain delay, so drive module can be believed according to scan control
Number, two the one of of scanning sensor are started immediately, another carries out delayed startup.
The application carrys out real-time calculate and school by obtaining the real time scan speed of scanning sensor, according to real time scan speed
The scan frequency of positive scanning sensor, directly exports correct imaging results.It is scanned in this way, the application is controlled according to real-time speed
Sample frequency, instead of, in the method for speed (or empirical value) the Lai Shengcheng sampling time sequence estimated, being mentioned in former scanning control system
High accuracy, reduces development difficulty.
In embodiment provided herein, it should be understood that disclosed method and apparatus, it can be by others side
Formula is realized.The apparatus embodiments described above are merely exemplary, for example, the division of the unit, only one kind are patrolled
Function division is collected, there may be another division manner in actual implementation, in another example, multiple units or components can combine or can
To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some communication interfaces, device or unit
It connects, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in embodiment provided by the present application can integrate in one processing unit, it can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a
People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of the steps.
And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing, in addition, term " the
One ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
Finally, it should be noted that embodiment described above, the only specific embodiment of the application, to illustrate the application
Technical solution, rather than its limitations, the protection scope of the application is not limited thereto, although with reference to the foregoing embodiments to this Shen
It please be described in detail, those skilled in the art should understand that: anyone skilled in the art
Within the technical scope of the present application, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of the embodiment of the present application technical solution.The protection in the application should all be covered
Within the scope of.Therefore, the protection scope of the application shall be subject to the protection scope of the claim.
Claims (10)
1. a kind of compensation device of scanner characterized by comprising
Acquisition module is sent to processing for obtaining the real time scan speed of scanning sensor, and by the real time scan speed
Module；
The processing module generates scan control signal, and the scan control is believed for receiving the real time scan speed
Number it is sent to drive module；
The drive module drives scanning sensing for receiving the scan control signal, and according to the scan control signal
Device.
2. the apparatus according to claim 1, which is characterized in that the acquisition module, comprising: lens group, light source, optics pass
Sensor, arithmetic element, wherein
In the light refraction that the lens group issues the light source to scanning target, after the scanning target reflects the refraction
Light, the light entered in the optical sensor by the lens group, and the optical sensor is by collected figure
As being transferred to the arithmetic element, the arithmetic element handles described image, calculates the real time scan speed.
3. the apparatus according to claim 1, which is characterized in that the processing module, comprising:
The processing module generates the scanning control according to the technical parameter of the real time scan speed and the scanning sensor
Signal processed.
4. the apparatus according to claim 1, which is characterized in that the drive module, comprising:
It is simple to drive scanning sensor to scanning mesh according to the scan control signal for the scanner of single sweep sensor
Mark is scanned.
5. the apparatus according to claim 1, which is characterized in that the drive module, comprising:
Delayed startup logic is set, to any described according to the scan control signal for the scanner of double scanning sensors
Scanning sensor is simply driven, and carries out delay and running to another scanning sensor.
6. a kind of compensation method of scanner characterized by comprising
The real time scan speed of scanning sensor is obtained, and the real time scan speed is sent to processing module；
The processing module receives the real time scan speed, generates scan control signal, and the scan control signal is sent out
Give drive module；
The drive module receives the scan control signal, and drives scanning sensor according to the scan control signal.
7. according to the method described in claim 6, it is characterized in that, it is described obtain scanning sensor real time scan speed, and
The real time scan speed is sent to processing module, comprising:
In the light refraction that lens group issues the light source to scanning target, the scanning target reflects the light after the refraction
Line, the light are entered in optical sensor by the lens group, and acquired image is transferred to by the optical sensor
Arithmetic element, the arithmetic element handle described image, calculate the real time scan speed.
8. according to the method described in claim 6, it is characterized in that, the processing module receives the real time scan speed, life
Drive module is sent at scan control signal, and by the scan control signal, comprising:
The processing module generates the scanning control according to the technical parameter of the real time scan speed and the scanning sensor
Signal processed.
9. according to the method described in claim 6, it is characterized in that, the drive module receives the scan control signal, and
Scanning sensor is driven according to the scan control signal, comprising:
It is simple to drive scanning sensor to scanning mesh according to the scan control signal for the scanner of single sweep sensor
Mark is scanned.
10. according to the method described in claim 6, it is characterized in that, the drive module receives the scan control signal, and
Scanning sensor is driven according to the scan control signal, comprising:
Delayed startup logic is set, to any described according to the scan control signal for the scanner of double scanning sensors
Scanning sensor is simply driven, and carries out delay and running to another scanning sensor.
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| CN201910040315.1A CN109873915A (en) | 2019-01-16 | 2019-01-16 | A kind of compensation device and method of scanner |
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| CN201910040315.1A CN109873915A (en) | 2019-01-16 | 2019-01-16 | A kind of compensation device and method of scanner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116699833A (en) * | 2023-06-12 | 2023-09-05 | 苏州龙马璞芯芯片科技有限公司 | Micro-mirror control system and control method |
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Application publication date: 20190611 |