CN108830119A - The detection method and device of optical character reader (OCR) - Google Patents

The detection method and device of optical character reader (OCR) Download PDF

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Publication number
CN108830119A
CN108830119A CN201810349501.9A CN201810349501A CN108830119A CN 108830119 A CN108830119 A CN 108830119A CN 201810349501 A CN201810349501 A CN 201810349501A CN 108830119 A CN108830119 A CN 108830119A
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ocr
optical character
character reader
reading
result
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CN108830119B (en
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陆海洲
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Nanjing Huai Yu Technology Co Ltd
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Nanjing Huai Yu Technology Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/0095Testing the sensing arrangement, e.g. testing if a magnetic card reader, bar code reader, RFID interrogator or smart card reader functions properly

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  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Character Discrimination (AREA)
  • Character Input (AREA)

Abstract

The embodiment of the invention discloses a kind of detection method and device of optical character reader (OCR), including:Optical character reader (OCR) is monitored to the reading process of reflectance chart, and obtains the line conduction situation of optical character reader (OCR) in reading process and the reading result of reflectance chart;According to the reading of the line conduction situation of optical character reader (OCR) and reflectance chart as a result, determining the fault and mechanical breakdown of optical character reader (OCR).Technical solution provided in an embodiment of the present invention, by monitoring optical character reader (OCR) to the reading process of reflectance chart, and obtain the line conduction situation of optical character reader (OCR) and the reading result of reflectance chart determines the fault and mechanical breakdown of optical character reader (OCR), compared with prior art by manually being detected, detection efficiency is improved, testing cost is saved.

Description

The detection method and device of optical character reader (OCR)
Technical field
The present embodiments relate to field of computer technology more particularly to the detection methods and dress of a kind of optical character reader (OCR) It sets.
Background technique
Optical mark reader is used to read the paint point information of release.When there are faults or machine for optical character reader (OCR) When tool failure, accuracy to the reading result of release it is difficult to ensure that.It therefore, must be to optical character reader (OCR) before card reading work It is tested, is all the test taken a long time by professional at present to guarantee no fault and mechanical breakdown And maintenance, detection efficiency is lower, and testing cost is higher.
Summary of the invention
In view of this, improving detection the embodiment of the invention provides a kind of detection method and device of optical character reader (OCR) Efficiency saves testing cost.
In a first aspect, the embodiment of the invention provides a kind of detection method of optical character reader (OCR), the optical character reader (OCR) packet Information detecting module and processing module are included, realizes electricity by multiple routes between the information detecting module and the processing module Connection, including:
The optical character reader (OCR) is monitored to the reading process of reflectance chart, and obtains the cursor in reading process and reads The line conduction situation of reading machine and the reading result of the reflectance chart;
According to the reading of the line conduction situation of the optical character reader (OCR) and the reflectance chart as a result, described in determining The fault and mechanical breakdown of optical character reader (OCR).
Optionally, described according to the line conduction situation of the optical character reader (OCR) and the reading knot of the reflectance chart Fruit determines the fault and mechanical breakdown of the optical character reader (OCR), specifically includes:
If the reading result of the reflectance chart is not met with default result part of reading, the optical character reader (OCR) is determined There are mechanical breakdowns;
If the reading result of the reflectance chart is not met all with the default result that reads, the optical character reader (OCR) is determined There are faults.
Optionally, if the reading result of the reflectance chart is not met all with the default result that reads, institute is determined Stating optical character reader (OCR), there are faults to specifically include:
If the line conduction situation of the optical character reader (OCR) is abnormal, and the reading result of the reflectance chart and default reading It takes result not meet all, determines single or multiple line short or the open circuit and/or any two of the optical character reader (OCR) Make contact between a route;
If the line conduction situation of the optical character reader (OCR) is without exception, and the reading result of the reflectance chart and default It reads result not meeting all, determines that the detection sensitivity of the information detecting module of the optical character reader (OCR) does not meet preset standard Detect detection sensitivity.
Optionally, the mechanical breakdown include the paper feeding component for placing the reflectance chart flatness do not meet it is default There is deviation in the position of the information detecting module of flatness and/or the optical character reader (OCR) and predeterminated position.
Second aspect, the embodiment of the invention provides a kind of detection device of optical character reader (OCR), the optical character reader (OCR) packet Information detecting module and processing module are included, realizes electricity by multiple routes between the information detecting module and the processing module It connects, further includes:
Monitoring modular for the reading process of monitoring standard test card, and obtains the reading of the cursor in reading process The line conduction situation of machine and the reading result of the reflectance chart;
Fault determination module, for according to the line conduction situation of the optical character reader (OCR) and the reflectance chart It reads as a result, determining the fault and mechanical breakdown of the optical character reader (OCR).
Optionally, fault determination module includes mechanical breakdown determination unit and fault determination unit;
The mechanical breakdown determination unit, if reading result and default reading result part for the reflectance chart It does not meet, determines that there are mechanical breakdowns for the optical character reader (OCR);
The fault determination unit, if whole for the reading result of the reflectance chart and default reading result It does not meet, determines that there are faults for the optical character reader (OCR).
Optionally, if line conduction situation of the fault determination unit for the optical character reader (OCR) is abnormal, and The reading result of the reflectance chart is not met all with the default result that reads, determine the single of the optical character reader (OCR) or Make contact between multiple line shorts or open circuit and/or any two route;
If the line conduction situation of the optical character reader (OCR) is without exception, and the reading result of the reflectance chart and default It reads result not meeting all, determines that the detection sensitivity of the information detecting module of the optical character reader (OCR) does not meet preset standard Detect detection sensitivity.
Optionally, the mechanical breakdown include the paper feeding component for placing the reflectance chart flatness do not meet it is default There is deviation in the position of the information detecting module of flatness and/or the optical character reader (OCR) and predeterminated position.
The detection method and device of optical character reader (OCR) provided in an embodiment of the present invention, by monitoring optical character reader (OCR) to standard The reading process of test card, and obtain the line conduction situation of optical character reader (OCR) and the reading result of reflectance chart determines The fault and mechanical breakdown of optical character reader (OCR) improve detection efficiency, save compared with prior art by manually being detected Testing cost is saved.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of the detection method for optical character reader (OCR) that the embodiment of the present invention one provides;
Fig. 2 is a kind of flow diagram of the detection method of optical character reader (OCR) provided by Embodiment 2 of the present invention;
Fig. 3 is a kind of structural block diagram of the detection device for optical character reader (OCR) that the embodiment of the present invention three provides;
Fig. 4 is the structural block diagram of the detection device for another optical character reader (OCR) that the embodiment of the present invention three provides.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is a kind of flow diagram of the detection method of optical character reader (OCR) provided in an embodiment of the present invention.Referring to Fig. 1, The detection method of the optical character reader (OCR) includes the following steps:
Step 110 monitors optical character reader (OCR) to the reading process of reflectance chart, and obtains the cursor in reading process and read The line conduction situation of reading machine and the reading result of reflectance chart.
In the present embodiment, optical character reader (OCR) (Optical Mark Reader, OMR), be with the method for optical scanner come The label that identification is printed or write by certain format, and the equipment for being converted into the receptible electric signal of computer, including letter Detection module and processing module are ceased, is electrically connected between information detecting module and processing module by the realization of multiple routes.Information inspection The full-filling information that module obtains reflectance chart is surveyed, full-filling information is sent to processing module.Processing module according to full-filling information, It generates and reads result.Information detecting module illustratively may include photoelectric sensor and analog to digital conversion circuit, photoelectric sensor Including light emitting diode and photosensitive tube.Light emitting diode is for irradiating reflectance chart, and photosensitive tube is for receiving the release Irreflexive light, and generate analog electrical signal.Analog electrical signal is converted to digital electric signal by analog to digital conversion circuit, is sent to place Module is managed, processing module illustratively may include micro-control unit or central processing unit.Information detecting module and processing mould Multiple routes between block for electrical connection, illustratively may include the line between photoelectric sensor and analog to digital conversion circuit Route between road and analog to digital conversion circuit and central processing unit.
Step 120, according to the line conduction situation of optical character reader (OCR) and the reading of reflectance chart as a result, determine cursor The fault and mechanical breakdown of reading machine.
Optionally, mechanical breakdown includes that the flatness for the paper feeding component for placing reflectance chart does not meet preset planeness, And/or the information detecting module of optical character reader (OCR) position and predeterminated position there is deviation.In this embodiment, paper feeding component is flat Whole degree does not meet preset planeness, and the distance that will lead to the paint point range information detection module on reflectance chart is different, may Cause part paint point that cannot be identified by information detecting module, and influences the reading result of reflectance chart.The letter of optical character reader (OCR) There is deviation in the position and predeterminated position for ceasing detection module, may result in part paint point not by the best of information detecting module In detection range, equally can the reading result to reflectance chart impact.
Fault includes:The single or multiple line short of optical character reader (OCR) or open circuit and/or any two line Make contact between road;And the detection sensitivity of the information detecting module of optical character reader (OCR) does not meet preset standard detection detection sensitivity Degree.The single or multiple line short of optical character reader (OCR) or open circuit make contact and cause to take between any two route The route of line causes short circuit, and the transmission process appearance that will lead to the electric signal between information detecting module and processing module is different Often, can the reading result to reflectance chart impact.When optical character reader (OCR) information detecting module detection sensitivity not When meeting preset standard detection detection sensitivity, may cause paint point cannot be identified by information detecting module, can be to standard testing The reading result of card impacts.
The detection method of optical character reader (OCR) provided in an embodiment of the present invention, by monitoring optical character reader (OCR) to reflectance chart Reading process, and obtain the line conduction situation of optical character reader (OCR) and the reading result of reflectance chart determines that cursor is read The fault and mechanical breakdown of reading machine improve detection efficiency, save inspection compared with prior art by manually being detected Survey cost.
Embodiment two
Fig. 2 is a kind of flow diagram of the detection method of optical character reader (OCR) provided in an embodiment of the present invention.Referring to fig. 2, The detection method of the optical character reader (OCR) includes the following steps:
Step 210 monitors optical character reader (OCR) to the reading process of reflectance chart, and obtains the cursor in reading process and read The line conduction situation of reading machine and the reading result of reflectance chart.
If the reading result of step 220, reflectance chart is not met with default result part of reading, optical character reader (OCR) is determined There are mechanical breakdowns.
In the present embodiment, there is only the flatness of the paper feeding component of reflectance chart not to meet preset planeness, and/or There is deviation in the position of the information detecting module of optical character reader (OCR) and predeterminated position, may result in the reading knot of reflectance chart Fruit does not meet with default result part of reading, i.e., part paint point cannot be correctly validated.The information detecting module of optical character reader (OCR) Predeterminated position be optimum position, can be with all paint points on criterion of identification release.Illustratively, if optical character reader (OCR) Information detecting module is tilted to the left compared with predeterminated position, and the paint point change on the right of reflectance chart cannot be identified.If cursor The information detecting module of reading machine is tilted to the right compared with predeterminated position, and the paint point change on the reflectance chart left side cannot be identified. If the information detecting module of optical character reader (OCR) compared with predeterminated position, tilts upwards, the following paint point of reflectance chart becomes not It can be identified.If the information detecting module of optical character reader (OCR) tilts down compared with predeterminated position, reflectance chart top Paint point change cannot be identified.
If the reading result of step 230, reflectance chart is not met all with the default result that reads, optical character reader (OCR) is determined There are faults.
Make contact between the single or multiple line short or open circuit and/or any two route of optical character reader (OCR), it can The transmitting that the electric signal between information detecting module and processing module can be will lead to cannot proceed normally;And optical character reader (OCR) The detection sensitivity of information detecting module does not meet preset standard detection detection sensitivity, illustratively, the letter of optical character reader (OCR) The detection sensitivity for ceasing detection module detects detection sensitivity lower than preset standard, and the paint point that will lead to current gray level cannot be believed Cease detection module identification.These above-mentioned reasons, reading result and the default reading result that may will lead to reflectance chart are complete Portion is not met, i.e., whole paint points cannot be correctly validated.Illustratively, the reading result of reflectance chart and default reading result Do not meet all may include read the result is that paint point on reflectance chart all by full-filling or whole not by full-filling.
Optionally, due to detecting that the reading result of reflectance chart is not met all with the default result that reads, then can It is fault with determination, according to the line conduction situation of optical character reader (OCR), to determine the circuit question of optical character reader (OCR) still The detection sensitivity problem of information detecting module.
If the line conduction situation of optical character reader (OCR) is abnormal, and the reading result of reflectance chart and default reading result are complete Portion is not met, and is determined and is taken between the single or multiple line short or open circuit and/or any two route of optical character reader (OCR) Line.If the line conduction situation of optical character reader (OCR) is without exception, and the reading result of reflectance chart and default reading result are whole It does not meet, determines that the detection sensitivity of the information detecting module of optical character reader (OCR) does not meet preset standard detection detection sensitivity.
On the basis of the above embodiments, the embodiment of the present invention for according to the line conduction situation of optical character reader (OCR) and The reading of reflectance chart is as a result, determine that the fault of optical character reader (OCR) and mechanical breakdown have carried out further refinement, i.e., If the reading result of reflectance chart is not met with default result part of reading, determining optical character reader (OCR), there are mechanical breakdowns, if The reading result of reflectance chart is not met all with the default result that reads, and determining optical character reader (OCR), there are faults, true After fault set circuit, according to the line conduction situation of optical character reader (OCR), to determine that the circuit question of optical character reader (OCR) is still believed The detection sensitivity problem of detection module is ceased, compared with prior art by manually being detected, detection efficiency is improved, saves Testing cost.
Embodiment three
Based on the above embodiment, the embodiment of the invention provides a kind of detection devices of optical character reader (OCR) should referring to Fig. 3 Device includes:
Monitoring modular 300 for the reading process of monitoring standard test card, and obtains the optical character reader (OCR) in reading process Line conduction situation and reflectance chart reading result;
Fault determination module 400, for according to the line conduction situation of optical character reader (OCR) and the reading of reflectance chart As a result, determining the fault and mechanical breakdown of optical character reader (OCR).
The detection device of optical character reader (OCR) provided in an embodiment of the present invention, by monitoring optical character reader (OCR) to reflectance chart Reading process, and obtain the line conduction situation of optical character reader (OCR) and the reading result of reflectance chart determines that cursor is read The fault and mechanical breakdown of reading machine improve detection efficiency, save inspection compared with prior art by manually being detected Survey cost.
Optionally, referring to fig. 4, fault determination module 400 includes that mechanical breakdown determination unit 401 and fault determine list Member 402.Mechanical breakdown determination unit 401, if the reading result for reflectance chart is not met with default result part of reading, Determining optical character reader (OCR), there are mechanical breakdowns.Fault determination unit 402, if for the reading result of reflectance chart and pre- If reading result not meeting all, determining optical character reader (OCR), there are faults.
Optionally, if line conduction situation of the fault determination unit 402 for optical character reader (OCR) is abnormal, and standard is surveyed The reading result and default reading result for trying card not met all, determine optical character reader (OCR) single or multiple line short or Make contact between person's open circuit and/or any two route;
If the line conduction situation of optical character reader (OCR) is without exception, and the reading result of reflectance chart and default reading result It does not meet all, it is sensitive to determine that the detection sensitivity of the information detecting module of optical character reader (OCR) does not meet preset standard detection detection Degree.
Optionally, mechanical breakdown includes that the flatness for the paper feeding component for placing reflectance chart does not meet preset planeness, And/or the information detecting module of optical character reader (OCR) position and predeterminated position there is deviation.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation, It readjusts, be combined with each other and substitutes without departing from protection scope of the present invention.Therefore, although by above embodiments to this Invention is described in further detail, but the present invention is not limited to the above embodiments only, is not departing from present inventive concept In the case of, it can also include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.

Claims (8)

1. a kind of detection method of optical character reader (OCR), the optical character reader (OCR) includes information detecting module and processing module, described It is electrically connected between information detecting module and the processing module by the realization of multiple routes, which is characterized in that including:
The optical character reader (OCR) is monitored to the reading process of reflectance chart, and obtains the optical character reader (OCR) in reading process Line conduction situation and the reflectance chart reading result;
According to the reading of the line conduction situation of the optical character reader (OCR) and the reflectance chart as a result, determining the cursor The fault and mechanical breakdown of reading machine.
2. detection method according to claim 1, which is characterized in that
It is described according to the reading of the line conduction situation of the optical character reader (OCR) and the reflectance chart as a result, determine described in The fault and mechanical breakdown of optical character reader (OCR), specifically include:
If the reading result of the reflectance chart is not met with default result part of reading, determine that the optical character reader (OCR) exists Mechanical breakdown;
If the reading result of the reflectance chart is not met all with the default result that reads, determine that the optical character reader (OCR) exists Fault.
3. detection method according to claim 2, which is characterized in that
If the reading result of the reflectance chart is not met all with the default result that reads, the optical character reader (OCR) is determined There are faults to specifically include:
If the line conduction situation of the optical character reader (OCR) is abnormal, and the reading result of the reflectance chart and default read are tied Fruit does not meet all, determines the single or multiple line short or open circuit and/or any two line of the optical character reader (OCR) Make contact between road;
If the line conduction situation of the optical character reader (OCR) is without exception, and the reading result of the reflectance chart and default reading As a result it does not meet all, determines that the detection sensitivity of the information detecting module of the optical character reader (OCR) does not meet preset standard detection Detection sensitivity.
4. detection method according to claim 1, which is characterized in that
The mechanical breakdown includes that the flatness for the paper feeding component for placing the reflectance chart does not meet preset planeness, and/ Or the information detecting module of the optical character reader (OCR) position and predeterminated position there is deviation.
5. a kind of detection device of optical character reader (OCR), the optical character reader (OCR) includes information detecting module and processing module, described It is electrically connected between information detecting module and the processing module by the realization of multiple routes, which is characterized in that further include:
Monitoring modular for the reading process of monitoring standard test card, and obtains the optical character reader (OCR) in reading process The reading result of line conduction situation and the reflectance chart;
Fault determination module, for according to the line conduction situation of the optical character reader (OCR) and the reading of the reflectance chart As a result, determining the fault and mechanical breakdown of the optical character reader (OCR).
6. detection device according to claim 5, which is characterized in that
Fault determination module includes mechanical breakdown determination unit and fault determination unit;
The mechanical breakdown determination unit, if the reading result for the reflectance chart is not inconsistent with default result part of reading It closes, determines that there are mechanical breakdowns for the optical character reader (OCR);
The fault determination unit, if the reading result for the reflectance chart is not inconsistent all with the default result that reads It closes, determines that there are faults for the optical character reader (OCR).
7. detection device according to claim 6, which is characterized in that
If line conduction situation of the fault determination unit for the optical character reader (OCR) is abnormal, and the standard testing The reading result of card is not met all with the default result that reads, and determines the single or multiple line short of the optical character reader (OCR) Or make contact between open circuit and/or any two route;
If the line conduction situation of the optical character reader (OCR) is without exception, and the reading result of the reflectance chart and default reading As a result it does not meet all, determines that the detection sensitivity of the information detecting module of the optical character reader (OCR) does not meet preset standard detection Detection sensitivity.
8. detection device according to claim 5, which is characterized in that
The mechanical breakdown includes that the flatness for the paper feeding component for placing the reflectance chart does not meet preset planeness, and/ Or the information detecting module of the optical character reader (OCR) position and predeterminated position there is deviation.
CN201810349501.9A 2018-04-18 2018-04-18 Detection method and device of cursor reader Active CN108830119B (en)

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