CN103471630A - Remote meter reading identification system and identification method thereof - Google Patents
Remote meter reading identification system and identification method thereof Download PDFInfo
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- CN103471630A CN103471630A CN2012101854819A CN201210185481A CN103471630A CN 103471630 A CN103471630 A CN 103471630A CN 2012101854819 A CN2012101854819 A CN 2012101854819A CN 201210185481 A CN201210185481 A CN 201210185481A CN 103471630 A CN103471630 A CN 103471630A
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Abstract
A remote meter reading identification system is arranged inside a meter reader which is arranged on the surface of an instrument and has a remote connection function. The meter reader is provided with an image capture unit used for capturing an image displayed on the surface of the instrument, a lighting element, and an antenna used for being connected with a remote monitoring device. The remote meter reading identification system at least comprises a microprocessor, a light source drive module, a communication module and a memory module, wherein the microprocessor can carry out optical identification and carry logic judgment on the image captured by the image capture unit and displayed on the surface of the instrument so as to correctly identify a character represented by the captured image, store a correct identification result in the memory module and display the correct identification result on the remote monitoring device.
Description
Technical field
The present invention, about a kind of long-range meter reading identification system and discrimination method thereof, can capture shown image on an instrument surface, and image is carried out to the processing of optical identification and carry logic judgement, correctly to pick out the character of pick-up image representative.
Background technology
Known have many instrument to be used to detecting and we live closely bound up data or data, for example: common water meter in daily life, the gas table, ammeter, be installed in often in the middle of each family family, company's line number or public domain, therefore, the company that water, electricity and gas equal energy source provide often can't be directly and obtains easily each family family, company's line number, the reading of the instrument in public domain even.
Therefore the company that water, electricity and gas equal energy source provide, be mainly to see through the reading that three kinds of modes obtain instrument: first kind of way is to send the assistant director to each family family or company's line number or checked meter in public domain and process manually reading and to circulate a notice of, although the reading of obtaining instrument that this method can be correct, but but to expend a large amount of human resources, cause the burden of whole fixing (every month) cost.The second way is to allow the user fill in to the return of being located at public place single above from being about to the reading of instrument, and fetches and does circular by the assistant director and process after bulletin a period of time.This method is easy to derive the user and returns unreal problem.Still more, the user forget or the long journey situation under, the mode that the user fills in voluntarily, just can not reach the punctual return effect of expection.The third mode is that the energy provides company to dispatch per month advice note, requires the user initiatively to dial particular telephone number, and, in the voice recording mode, the recording of the reading of the instrument that the user is informed is filed.The lower dual shortcoming that can not circulate a notice of that this method exists send out public notice single fixing (every month) cost and user to forget or go on a long journey situation.
Yet above three kinds of methods, be all the numerical value that end user's part work and part study table and circular are obtained instrument, therefore rely on artificial operation, and artificial operating type is except telegraph transmission speed is very slow, also easily in meter reading circular process, human error or situation about misreading occur and occur.
Therefore, if the work flow of meter reading can be carried out in the mode of robotization, and by the image post-back of acquisition, but because the staff still must read the image of acquisition and record in artificial mode a group by a group, therefore the human cost of required cost remains very huge, if therefore can be after the robotization pick-up image, carry out with robotization the image that identification was captured again, the possibility of error occurs in the time of will reducing artificial reading operation, and reduction needs manpower to be checked meter, meter reading or human cost and the cost of reading pick-up image, so should be a best solution.
Summary of the invention
The present invention is to provide a kind of long-range meter reading identification system and discrimination method thereof, can robotization capture shown image on an instrument surface, and further image is carried out to the processing of optical identification and carry logic judgement, correctly to pick out the character of pick-up image representative, thereby realize automatic meter reading, the possibility of error occurs while reducing artificial reading operation, and reduce need that manpower is checked meter, meter reading or human cost and the cost of reading pick-up image.
For achieving the above object, long-range meter reading identification system of the present invention and discrimination method thereof, wherein this long-range meter reading identification system system is arranged at a meter reading device inside that is installed in the surface of an instrument and has long-range line function, this meter reading device have more one in order to the image acquisition unit that captures shown image on this instrument surface, an illumination component and in order to the antenna with a long-distance monitorng device line;
And this long-range meter reading identification system comprises a microprocessor be electrically connected with this image acquisition unit; One is electrically connected with this microprocessor and this illumination component and in order to drive the shinny light source driver module of this illumination component; One is electrically connected with this microprocessor and this antenna and in order to data is seen through to the communication module that communication module and antenna are sent to this long-distance monitorng device; One is electrically connected and the memory module in order to store data with this microprocessor; By this, this long-distance monitorng device can be by this antenna and communication module, carry out line with this microprocessor, therefore this long-distance monitorng device can carry out image capture and image identification by this microprocessor of Long-distance Control, and after this microprocessor receives the image that this image acquisition unit captures, can again image be carried out to the processing of optical identification and carry logic judgement, correctly to pick out the character of pick-up image representative, and be stored in memory module by identification result again and be shown on this long-distance monitorng device.
In particular, described image acquisition unit is arranged on the meter reading device surface on the corresponding instrument of this meter reading device surface, in order to capture the image of shown data on this instrument surface.
In particular, described antenna is arranged at this meter reading device outside, with so that this long-range meter reading identification system can be carried out line with this long-distance monitorng device.
In particular, described illumination component is arranged on the meter reading device surface on the corresponding instrument of this meter reading device surface, and this light source driver module can drive this illumination component to emit beam to this instrument surface, to assist the sharpness of this image acquisition unit institute pick-up image.
In particular, described illumination component is the LED lamp.
And long-range meter reading discrimination method the steps include:
(1) image of shown data on acquisition instrument surface;
(2) will in image, need the identification Region Segmentation out;
(3) will need again the identification Region Segmentation for other character area piece;
(4) carry out optical identification for individual other character area piece;
(5) judge whether to carry out the carry logic processing, to select to pick out correct character; And
(6) complete identification result is shown and record.
In particular, the described identification zone that needs is for shown whole numerals on the instrument surface.
In particular, describedly judge whether to carry out the carry logic processing, judge in the character block and whether have 0 with 9 two characters, if, carry out the carry logic processing, and the carry logic processing is the character block to be included to 0 with 9 two characters, be adjusted into 0, and the character in the character block of the required carry of adjusted character block next bit is carried out to carry.
By long-range meter reading identification system of the present invention and discrimination method thereof, realize following technique effect:
1. the present invention system can robotization capture shown image on an instrument surface, and further image is carried out to the processing of optical identification and carry logic judgement, correctly to pick out the character of pick-up image representative.
2. the present invention can robotization capture shown image on the instrument surface, and identification is carried out in robotization, therefore occur except can reduce artificial meter reading operation the time error possibility, more can reduce that manpower is checked meter because using, meter reading or human cost and the cost of reading pick-up image.
Relevant for aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description coordinated with reference to graphic preferred embodiment, can clearly present.
The accompanying drawing explanation
The meter reading device Organization Chart that Fig. 1 is the long-range meter reading identification system of the present invention and discrimination method thereof;
The long-range meter reading identification system Organization Chart that Fig. 2 is the long-range meter reading identification system of the present invention and discrimination method thereof;
Meter reading device and instrument decomposition chart that Fig. 3 A is the long-range meter reading identification system of the present invention and discrimination method thereof;
Meter reading device and instrument combine structural drawing that Fig. 3 B is the long-range meter reading identification system of the present invention and discrimination method thereof;
The enforcement illustration that Fig. 4 A to Fig. 4 E is the long-range meter reading identification system of the present invention and discrimination method thereof; And
The flow chart of steps that Fig. 5 is the long-range meter reading identification system of the present invention and discrimination method thereof.
Embodiment
Refer to Fig. 1 and Fig. 2, meter reading device Organization Chart and long-range meter reading identification system Organization Chart for a kind of long-range meter reading identification system of the present invention and discrimination method thereof, wherein a meter reading device 1 has an image acquisition unit 2, an illumination component 3 and an antenna 4, and this meter reading device 1 can be by antenna 4 and long-distance monitorng device 6 phase lines, this long-range meter reading identification system 5 is arranged at this meter reading device 1 inside, and this long-range meter reading identification system 5 comprises a microprocessor 51, a light source driver module 54, a communication module 52 and a memory module 53;
As shown in Figure 3A, this meter reading device 1 is installed in the surface 71 of an instrument 7, therefore the surface 11 of this meter reading device 1 can be towards the surface 71 of this instrument 7, and the surface 11 of this meter reading device 1 has image acquisition unit 2 and illumination component 3, therefore when this meter reading device 1 is placed on the surface 71 of this instrument 7,3 of this image acquisition unit 2 and illumination components can be towards the surfaces 71 of this instrument 7.
Therefore when this meter reading device 1 is placed on the surface 71 of this instrument 7, this microprocessor 51 can start this light source driver module 54, and drive this illumination component 3 so that these instrument 4 surfaces 71 are emitted beam by this light source driver module 54, and enough light can make the data 72 on the surface 71 of this instrument 7 more clear, 51 images by these image acquisition unit 2 these instrument 7 surfaces 71 of acquisition of this microprocessor, and image data is inputted in this microprocessor 51, in order to carry out the processing of identification.
As shown in Figure 3 B, this communication module 52 can be by the antenna 4 that is arranged at this meter reading device 1 outside, the long-range meter reading identification system 5 of one long-distance monitorng device 6 and this is connected, therefore when this microprocessor 51 will carry out identification, this microprocessor 51 can be by process and the result of the image on acquisition and this instrument surface of identification, seeing through this communication module 52 is sent in this long-distance monitorng device 6, and this microprocessor 51 can carry out image the processing of optical identification and carry logic judgement, correctly to pick out the character of pick-up image representative, and again identification process and result are stored in memory module 53, and be shown on this long-distance monitorng device 6.
As shown in Fig. 4 A and Fig. 4 B, after by this long-distance monitorng device 6, pressing " pick-up image ", 51 of this microprocessors can drive the image on these image acquisition unit 2 these instrument 7 surfaces 71 of acquisition, and by the image storage of acquisition in memory module 53 be sent to this long-distance monitorng device 6, afterwards, start to carry out identification program, identification process and result can be shown on long-distance monitorng device 6 in the lump;
Step2 in Fig. 4 C is known, the microprocessor 51 of this long-range meter reading identification system 5 can partly judge and be divided into numeral needs identification zone 8, afterwards, as shown in the step3 of Fig. 4 D, this microprocessor 51 can will need identification zone 8 to be divided into other character area piece again, and carry out optical identification for individual other character area piece, so that image is judged as to character; But in deterministic process, because digital surface is driven by gear, therefore when the carry of generation situation is arranged, can't lean on merely the image position of numerical value to be judged, especially all the more so with numeral 0 with numeral 9, numeral 9 and 0 is between carry or not-carry, therefore this instrument 7 can postpone in the process of conversion, if can't carry out identification with optical identification, if the identification mistake can cause excessive error to occur; Therefore microprocessor 51 must carry out the carry logic processing, and to select to pick out correct character, and condition and the step of judgement are as follows:
(1) carry only has and occurs when 9 change 0 into when last number;
(2), if last digit is judged as at 9 o'clock, tens is got surperficial first half interpretation again; If last digit is judged as at 0 o'clock, tens is got surperficial Lower Half interpretation again;
(3) if tens be also 9 must be again while changing 0 situation into the last position of interpretation (hundred) again; And the standard of tens judgement, if last digit is judged as at 9 o'clock, hundred figure places are got surperficial first half interpretation again; And last digit is judged as at 0 o'clock, hundred figure places are got surperficial Lower Half interpretation again; And
(4) repeat to operate above-mentioned determining program, until stop judge carry while changing 0 situation into without 9.
After once judge carry has been determined, as shown in Figure 4 E finally, complete identification result (42300) is stored in to memory module 53, and is shown on long-distance monitorng device 6, when the judgement last digit, system can preset gets first or second numeral, and because be at units, so it is all little to get the impact of which number, in Fig. 4 D that is judged last digit at needs, it is 9 that Semi-digital is got in setting, and setting and taking off Semi-digital is 0.
And the long-range meter reading discrimination method of the present invention as shown in Figure 5, the steps include:
(1) the lip-deep image 501 of acquisition instrument;
(2) will in image, need identification Region Segmentation out 502;
(3) will need again the identification Region Segmentation for other character area piece 503;
(4) carry out optical identification 504 for individual other character area piece;
(5) judge whether to carry out the carry logic processing, to select to pick out correct character 505; And
(6) complete identification result is shown and record 506.
A kind of long-range meter reading identification system provided by the present invention and discrimination method thereof, while mutually comparing with other located by prior art, have more and get the row advantage ready:
1. the present invention system can robotization capture shown image on an instrument surface, and further image is carried out to the processing of optical identification and carry logic judgement, correctly to pick out the character of pick-up image representative.
2. the present invention can robotization capture shown image on the instrument surface, and identification is carried out in robotization, therefore occur the possibility of error except can reduce artificial meter reading operation the time, more can reduce that manpower is checked meter because using, meter reading or human cost and the cost of reading pick-up image.
By the above detailed description of preferred embodiments, hope can be known description feature of the present invention and spirit more, and not with above-mentioned disclosed preferred embodiment, category of the present invention is limited.On the contrary, its objective is that hope can contain in the category of the scope of the claims of being arranged in of various changes and tool equality institute of the present invention wish application.
Claims (5)
1. a long-range meter reading identification system, being arranged at one is installed in the surface of an instrument and has the meter reading device inside of long-range line function, this meter reading device have one in order to the image acquisition unit that captures shown image on this instrument surface, an illumination component and in order to the antenna with a long-distance monitorng device line, and this long-range meter reading identification system comprises:
One microprocessor, be electrically connected with this image acquisition unit;
One light source driver module, be electrically connected with this microprocessor and this illumination component, in order to drive this illumination component shinny;
One communication module, be electrically connected with this microprocessor and this antenna, in order to data is sent to this long-distance monitorng device through communication module and antenna; And
One memory module, be electrically connected with this microprocessor, in order to store data;
It is characterized in that:
This long-distance monitorng device can be by this antenna and communication module, carry out line with this microprocessor, therefore this long-distance monitorng device can carry out image capture and image identification by this microprocessor of Long-distance Control, and after this microprocessor receives the image that this image acquisition unit captures, can again image be carried out to the processing of optical identification and carry logic judgement, correctly to pick out the character of pick-up image representative, and be stored in memory module by identification result again and be shown on this long-distance monitorng device.
2. a long-range meter reading discrimination method, the steps include:
The lip-deep image of acquisition instrument;
To in image, need the identification Region Segmentation out;
To need again the identification Region Segmentation for other character area piece;
Carry out optical identification for individual other character area piece;
Judge whether to carry out the carry logic processing, to select to pick out correct character; And
Complete identification result is shown and record.
3. long-range meter reading discrimination method as claimed in claim 2, is characterized in that, needs the identification zone for shown whole numerals on the instrument surface.
4. long-range meter reading discrimination method as claimed in claim 2, is characterized in that, judges whether to carry out the carry logic processing, judges in the character block and whether have 0 with 9 two characters, if carry out the carry logic processing.
5. long-range meter reading discrimination method as claimed in claim 2, is characterized in that, the carry logic processing includes 0 by the character block and is adjusted into 0 with 9 two characters, and the character in the character block of the required carry of adjusted character block next bit is carried out to carry.
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| CN2012101854819A CN103471630A (en) | 2012-06-07 | 2012-06-07 | Remote meter reading identification system and identification method thereof |
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| CN2012101854819A CN103471630A (en) | 2012-06-07 | 2012-06-07 | Remote meter reading identification system and identification method thereof |
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| TWI669512B (en) * | 2018-08-30 | 2019-08-21 | 國家中山科學研究院 | Method for reading the display value of arrow type and needle type meter by computer vision |
| CN111351513A (en) * | 2018-12-24 | 2020-06-30 | 群光电子股份有限公司 | Instrument monitoring device and control method thereof |
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Application publication date: 20131225 |