CN103544465A - Method and device for decoding and identifying two-dimensional bar codes - Google Patents
Method and device for decoding and identifying two-dimensional bar codes Download PDFInfo
- Publication number
- CN103544465A CN103544465A CN201310533782.0A CN201310533782A CN103544465A CN 103544465 A CN103544465 A CN 103544465A CN 201310533782 A CN201310533782 A CN 201310533782A CN 103544465 A CN103544465 A CN 103544465A
- Authority
- CN
- China
- Prior art keywords
- decoding
- dimensional bar
- streamline
- scanning
- scanned object
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Character Discrimination (AREA)
Abstract
The invention provides a method and device for decoding and identifying two-dimensional bar codes. The method and device are suitable for the field of two-dimensional bar code decoding and identifying. The method includes the following steps that scanning parameters of corrected scanning equipment are adopted for scanning scanned objects on a production line, and the two-dimensional bar codes of the scanned objects are captured; the captured two-dimensional bar codes are decoded, and decoding results are fed back; the scanned objects on the production line are processed according to the decoding results. In the method, the scanning equipment on the production line is firstly corrected, the corrected scanning equipment is used for scanning the objects on the production line, and therefore basic requirements for scanning can be met, scanning efficiency can be guaranteed when scanning is carried out after correction, and different requirements for the scanning equipment on different production lines can be met.
Description
Technical field
The invention belongs to decoding two-dimensional bar code identification field, relate in particular to a kind of decoding two-dimensional bar code recognition methods and device.
Background technology
Two-dimensional bar is according to certain rules at the chequered with black and white graphic recording data symbol of plane distribution with certain specific geometric figure, on coding, utilize dexterously " 0 ", the concept of " 1 " bit stream that forms computer-internal logical foundations, with several geometrical bodies corresponding with scale-of-two, represent word numerical information.Two-dimensional bar can be processed to realize information by automatically identifying and reading automatically by image input device or photoelectric scanning device.Two-dimensional bar has some general character of barcode technology: every kind of code system has its specific character set; Each character occupies certain width; Have certain verifying function, two-dimensional bar also has features such as the information automatic identification function of different rows and processing graphics rotation variations simultaneously.Along with popularizing of handheld device and Android system, directly use the two-dimensional bar of the handheld device rapid scanning product of operation Android system can make two-dimensional bar application system be easier to flexible use.Two-dimensional bar starts application a large amount of on product stream.Yet have in existing technical scheme, adopt hardware decoding scheme, it requires to adopt customization camera lens and specific decoding chip to identify and process two-dimensional bar, the camera lens of customization and specific decoding chip increase the quantity of components and parts to some extent, have influence on the portability of equipment, the decoding agreement that simultaneously specific decoding chip cannot online upgrading upgrades, causes backward compatibility poor.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of decoding two-dimensional bar code recognition methods and device, first the scanning device on streamline is calibrated, use the scanning device after calibration to scan the object on streamline, can meet the basic need of scanning, calibrate laggard line scanning simultaneously and can guarantee the efficiency scanning, meet the different requirements to scanning device on different streamlines.
The embodiment of the present invention is achieved in that a kind of decoding two-dimensional bar code recognition methods, and described method comprises the steps:
Adopt the scanned object on the sweep parameter scanning streamline after calibration, catch the two-dimensional bar of scanned object;
The two-dimensional bar capturing is decoded, and return to decoded result;
According to decoded result, the scanned object on streamline is handled it.
Further, the scanned object on the sweep parameter scanning streamline after described employing calibration, the step that catches the two-dimensional bar of scanned object comprises:
Scanning device is calibrated;
Adopt the scanned object on the sweep parameter scanning streamline after calibration;
Catch the two-dimensional bar of scanned object.
Further, described the two-dimensional bar capturing is decoded, and the step of returning to decoded result comprises:
The two-dimensional bar capturing is decoded;
When successfully decoded, return to decoded result, when decoding unsuccessfully, return to decoding and unsuccessfully point out.
Further, described step of the scanned object on streamline being handled it according to decoded result comprises:
When successfully decoded, according to the decoded result returning, the scanned object on streamline is remained in operation on streamline;
When decoding unsuccessfully, according to the decoding of returning, unsuccessfully point out the scanned object on streamline is released to streamline.
Another object of the embodiment of the present invention is to provide a kind of decoding two-dimensional bar code recognition device, and described device comprises:
Calibration scan unit, for adopting the scanned object on the sweep parameter scanning streamline after calibration, catches the two-dimensional bar of scanned object;
Decoding unit, for the two-dimensional bar capturing is decoded, and returns to decoded result;
Processing unit, for handling it to the scanned object on streamline according to decoded result.
Further, described calibration scan unit comprises:
Alignment unit, for calibrating scanning device;
Scanning element, for adopting the scanned object on the sweep parameter scanning streamline after calibration;
Capture unit, for catching the two-dimensional bar of scanned object.
Further, described decoding unit comprises:
Codec processing unit, for decoding to the two-dimensional bar capturing;
Unit is returned in decoding, for when the successfully decoded, returns to decoded result, when decoding unsuccessfully, returns to decoding and unsuccessfully points out.
Further, described processing unit comprises:
Success processing unit, for when the successfully decoded, remains in operation on streamline the scanned object on streamline according to the decoded result returning;
Failure handling unit, for when decoding unsuccessfully, unsuccessfully points out the scanned object on streamline is released to streamline according to the decoding of returning.
The embodiment of the present invention is by a kind of decoding two-dimensional bar code recognition methods and device, scanning device is calibrated, make the scanning device can the residing working environment of Rapid matching, when carrying out scanning work, can according to the sweep parameter arranging, to scanning object, scan rapidly, to complete the rapid scanning identification of two-dimensional bar and to make corresponding processing according to scanning result.
Accompanying drawing explanation
Fig. 1 is the realization flow figure of a kind of decoding two-dimensional bar code recognition methods of providing of first embodiment of the invention;
Fig. 2 is the realization flow figure of a kind of decoding two-dimensional bar code recognition methods of providing of second embodiment of the invention;
Fig. 3 is the structural drawing of a kind of decoding two-dimensional bar code recognition device of providing of third embodiment of the invention; And
Fig. 4 is the structural drawing of a kind of decoding two-dimensional bar code recognition device of providing of fourth embodiment of the invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Below in conjunction with specific embodiment, specific implementation of the present invention is described in detail:
embodiment mono-:
Fig. 1 shows the realization flow of a kind of decoding two-dimensional bar code recognition methods that first embodiment of the invention provides, and details are as follows:
S101, adopts the scanned object on the sweep parameter scanning streamline after calibration, catches the two-dimensional bar of scanned object.
First scanning device is calibrated, concrete scanning device can be for adopting the smart mobile phone of Android system, while scanning two-dimensional bar in default situations system by camera due to the smart mobile phone of Android system, need to carry out the matching operations such as automatic focusing, and Auto-matching need to expend the too much time, first scanning device is calibrated, make parameter after the scanning device calibration scanned object on can rapid scanning streamline, the scanned object from streamline captures the two-dimensional bar of scanned object.
S102, decodes to the two-dimensional bar capturing, and returns to decoded result.
After scanning device has acquired the two-dimensional bar of scanned object, the two-dimensional bar scanning is carried out to decode operation, from two-dimensional bar, read corresponding data, owing to inevitably can run into the poor quality of some bar code scanning when object being scanned by scanning device, while causing decoding, to the two-dimensional bar scanning, cannot effectively identify, now need the result of returning to a decoding according to decoded net result to carry out follow-up operation.
S103, handles it to the scanned object on streamline according to decoded result.
After decoded result returns, according to concrete decoded result, the scanned object on streamline is processed accordingly, as made, by the object of decoding, remain in operation on streamline, and the unsuccessful object of decoding is released to streamline etc.
The embodiment of the present invention by the way, a kind of decoding two-dimensional bar code recognition methods, scanning device is calibrated, make the scanning device can the residing working environment of Rapid matching, when carrying out scanning work, can according to the sweep parameter arranging, to scanning object, scan rapidly, to complete the rapid scanning identification of two-dimensional bar and to make corresponding processing according to scanning result.
embodiment bis-:
Fig. 2 shows the realization flow of a kind of decoding two-dimensional bar code recognition methods that second embodiment of the invention provides, and details are as follows:
S201, calibrates scanning device.
First scanning device is carried out to calibration process, wherein scanning device can be for adopting the smart mobile phone of Android system, the smart mobile phone of this Android system is equipped with camera simultaneously, use camera to complete the scanning to scanned object, wherein the calibration of scanning device is comprised to calibration, the calibration of focal length, the calibration of the calibration of resolution and aperture to flashlamp.
The brightness of flashlamp is relevant with the size of aperture, can first aperture be set to maximal value, then according to object translational speed on streamline, brightness of flash lamp adjustment is to guaranteeing that camera can capture image limpid in sight and be as the criterion in concrete calibration process.If brightness is too large, need so aperture size to turn down.And calibration result is saved in during system arranges.The calibration of focusing is specifically as follows and first allows streamline out of service, scanned object is placed on before the camera on streamline, and calibrated focal length now, and calibration result is saved in during system arranges.Wherein to the calibration of resolution, specifically can applicable resolution be set according to the size of Quick Response Code on scanned object and density, when the density of Quick Response Code larger, the data volume comprising in Quick Response Code equal area is so just more, so just need to arrange larger resolution, can make like this image details of two-dimensional code display clearly of shooting, thereby make to realize faster decoding.Wherein specifically can calibration simultaneously in the process of calibration brightness of flash lamp to the calibration of aperture.The data of its alignment can be several fixing numerical value, can be also a less interval range value.
S202, adopts the scanned object on the sweep parameter scanning streamline after calibration.
Adopt the scanned object on the sweep parameter scanning streamline after calibration, the sweep parameter during due to scanning has been the sweep parameter after calibration, and the operation of the lamp that do not need to focus in scanning process can complete fast scanning when scanning.
S203, the two-dimensional bar of seizure scanned object.
After scanning scanned object, from scanned object, identify and capture the two-dimensional bar of scanned object.
S204, decodes to the two-dimensional bar capturing, and returns to decoded result.
After capturing two-dimensional bar, the two-dimensional bar scanning is carried out to decode operation, to get the relevant information of the scanned object on streamline, owing to inevitably can run into the poor quality of some bar code scanning when object being scanned by scanning device, while causing decoding, to the two-dimensional bar scanning, cannot effectively identify, now need the result of returning to a decoding according to decoded net result to carry out follow-up operation, as when finding that the two-dimensional bar None-identified scanning goes out valid data, can again to scanned object, carry out scanning again or repeatedly fast, with scanning, obtain a new scan-data, be used for carrying out the decoding of two-dimensional bar, scanning device basis are finally returned to a decoded result to the decoding situation of two-dimensional bar, when successfully decoded, return to the result of successfully decoded, when decoding unsuccessfully, return to the prompting that decoding is failed.
S205, when successfully decoded, remains in operation on streamline the scanned object on streamline according to the decoded result returning.
In concrete implementation process, can, for when the successfully decoded, according to the result of the successfully decoded of returning, the scanned object on streamline be remained in operation on streamline, to complete the operation on follow-up streamline.
S206, when decoding unsuccessfully, unsuccessfully points out the scanned object on streamline is released to streamline according to the decoding of returning.
In concrete implementation process, can according to the decoding of returning, unsuccessfully point out the scanned object on streamline is released to streamline for when decoding unsuccessfully, so that scanned object is carried out to some special processings, complete corresponding operating process.
The embodiment of the present invention by the way, a kind of decoding two-dimensional bar code recognition methods, user is using scanning device to scan to obtain the two-dimensional bar on scanned object to scanned object, first scanning device is calibrated, make the scanning device can the residing working environment of Rapid matching, when carrying out scanning work, can according to the sweep parameter arranging, to scanning object, scan rapidly, to complete the rapid scanning identification of two-dimensional bar and to make corresponding processing according to scanning result.Concrete scanning device can be applied to carry out operation on streamline, also can be applied to the application scenarios that other need batch scanning article two-dimensional bar simultaneously, completes corresponding scanning work.
embodiment tri-:
Fig. 3 shows the structural drawing of a kind of decoding two-dimensional bar code recognition device that third embodiment of the invention provides, and for convenience of explanation, only shows the part relevant to the embodiment of the present invention.
First calibration scan unit is calibrated scanning device, concrete scanning device can be for adopting the smart mobile phone of Android system, while scanning two-dimensional bar in default situations system by camera due to the smart mobile phone of Android system, need to carry out the matching operations such as automatic focusing, and Auto-matching need to expend the too much time, first scanning device is calibrated, make parameter after the scanning device calibration scanned object on can rapid scanning streamline, the scanned object from streamline captures the two-dimensional bar of scanned object.
Decoding unit 32, for the two-dimensional bar capturing is decoded, and returns to decoded result.
Decoding unit is for after scanning device has acquired the two-dimensional bar of scanned object, the two-dimensional bar scanning is carried out to decode operation, from two-dimensional bar, read corresponding data, owing to inevitably can run into the poor quality of some bar code scanning when object being scanned by scanning device, while causing decoding, to the two-dimensional bar scanning, cannot effectively identify, now need the result of returning to a decoding according to decoded net result to carry out follow-up operation.
Processing unit 33, for handling it to the scanned object on streamline according to decoded result.
Processing unit, for after decoded result returns, is processed the scanned object on streamline accordingly according to concrete decoded result, remains in operation on streamline, and the unsuccessful object of decoding is released to streamline etc. as made by the object of decoding.
The embodiment of the present invention by the way, a kind of decoding two-dimensional bar code recognition device, scanning device is calibrated, make the scanning device can the residing working environment of Rapid matching, when carrying out scanning work, can according to the sweep parameter arranging, to scanning object, scan rapidly, to complete the rapid scanning identification of two-dimensional bar and to make corresponding processing according to scanning result.
embodiment tetra-:
Fig. 4 shows the structural drawing of a kind of decoding two-dimensional bar code recognition device that fourth embodiment of the invention provides, and for convenience of explanation, only shows the part relevant to the embodiment of the present invention.
First alignment unit carries out calibration process to scanning device, wherein scanning device can be for adopting the smart mobile phone of Android system, the smart mobile phone of this Android system is equipped with camera simultaneously, use camera to complete the scanning to scanned object, wherein the calibration of scanning device is comprised to calibration, the calibration of focal length, the calibration of the calibration of resolution, shutter speed and the calibration of aperture to flashlamp.
Scanning element 42, for adopting the scanned object on the sweep parameter scanning streamline after calibration.
Scanning element is for adopting the scanned object on the sweep parameter scanning streamline after calibration, sweep parameter during due to scanning has been the sweep parameter after calibration, do not need to focus in the scanning process operation of lamp can complete fast scanning when scanning.
Capture unit is for after scanning scanned object, from scanned object, identifies and capture the two-dimensional bar of scanned object.
Decoding unit 44, for the two-dimensional bar capturing is decoded, and returns to decoded result.
Decoding unit is for after capturing two-dimensional bar, the two-dimensional bar scanning is carried out to decode operation, to get the relevant information of the scanned object on streamline, owing to inevitably can run into the poor quality of some bar code scanning when object being scanned by scanning device, while causing decoding, to the two-dimensional bar scanning, cannot effectively identify, now need the result of returning to a decoding according to decoded net result to carry out follow-up operation, as when finding that the two-dimensional bar None-identified scanning goes out valid data, can again to scanned object, carry out scanning again or repeatedly fast, with scanning, obtain a new scan-data, be used for carrying out the decoding of two-dimensional bar, scanning device basis are finally returned to a decoded result to the decoding situation of two-dimensional bar, when successfully decoded, return to the result of successfully decoded, when decoding unsuccessfully, return to the prompting that decoding is failed.
Success processing unit is for can when when successfully decoded, remaining in operation on streamline the scanned object on streamline according to the result of the successfully decoded of returning, to complete the operation on follow-up streamline in concrete implementation process.
Failure handling unit, for can unsuccessfully pointing out the scanned object on streamline is released to streamline according to the decoding of returning for when decoding unsuccessfully in concrete implementation process, so that scanned object is carried out to some special processings, completes corresponding operating process.
The embodiment of the present invention by the way, a kind of decoding two-dimensional bar code recognition device, user is using scanning device to scan to obtain the two-dimensional bar on scanned object to scanned object, first scanning device is calibrated, make the scanning device can the residing working environment of Rapid matching, when carrying out scanning work, can according to the sweep parameter arranging, to scanning object, scan rapidly, to complete the rapid scanning identification of two-dimensional bar and to make corresponding processing according to scanning result.Concrete scanning device can be applied to carry out operation on streamline, also can be applied to the application scenarios that other need batch scanning article two-dimensional bar simultaneously, completes corresponding scanning work.Because this scanning device does not need to adopt special-purpose decoding chip and specific camera, scanning device can effectively reduce the volume of components and parts, scanning device can adopt general Android system simultaneously, more flexible when the renewal of follow-up decoding agreement, to adapt to different demands go forward side by side accommodating maintenance and upgrading.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method is to come the hardware that instruction is relevant to complete by program, described program can be stored in computer read/write memory medium, described storage medium, as ROM/RAM, disk, CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a decoding two-dimensional bar code recognition methods, is characterized in that, described method comprises the steps:
Adopt the scanned object on the sweep parameter scanning streamline after calibration, catch the two-dimensional bar of scanned object;
The two-dimensional bar capturing is decoded, and return to decoded result;
According to decoded result, the scanned object on streamline is handled it.
2. the method for claim 1, is characterized in that, the scanned object on the sweep parameter scanning streamline after described employing calibration, and the step that catches the two-dimensional bar of scanned object comprises:
Scanning device is calibrated;
Adopt the scanned object on the sweep parameter scanning streamline after calibration;
Catch the two-dimensional bar of scanned object.
3. the method for claim 1, is characterized in that, described the two-dimensional bar capturing is decoded, and the step of returning to decoded result comprises:
The two-dimensional bar capturing is decoded;
When successfully decoded, return to decoded result, when decoding unsuccessfully, return to decoding and unsuccessfully point out.
4. the method for claim 1, is characterized in that, described step of the scanned object on streamline being handled it according to decoded result comprises:
When successfully decoded, according to the decoded result returning, the scanned object on streamline is remained in operation on streamline;
When decoding unsuccessfully, according to the decoding of returning, unsuccessfully point out the scanned object on streamline is released to streamline.
5. a decoding two-dimensional bar code recognition device, is characterized in that, described device comprises:
Calibration scan unit, for adopting the scanned object on the sweep parameter scanning streamline after calibration, catches the two-dimensional bar of scanned object;
Decoding unit, for the two-dimensional bar capturing is decoded, and returns to decoded result;
Processing unit, for handling it to the scanned object on streamline according to decoded result.
6. device as claimed in claim 5, is characterized in that, described calibration scan unit comprises:
Alignment unit, for calibrating scanning device;
Scanning element, for adopting the scanned object on the sweep parameter scanning streamline after calibration;
Capture unit, for catching the two-dimensional bar of scanned object.
7. device as claimed in claim 5, is characterized in that, described decoding unit comprises:
Codec processing unit, for decoding to the two-dimensional bar capturing;
Unit is returned in decoding, for when the successfully decoded, returns to decoded result, when decoding unsuccessfully, returns to decoding and unsuccessfully points out.
8. device as claimed in claim 5, is characterized in that, described processing unit comprises:
Success processing unit, for when the successfully decoded, remains in operation on streamline the scanned object on streamline according to the decoded result returning;
Failure handling unit, for when decoding unsuccessfully, unsuccessfully points out the scanned object on streamline is released to streamline according to the decoding of returning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533782.0A CN103544465B (en) | 2013-10-31 | 2013-10-31 | A kind of decoding two-dimensional bar code recognition methods and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310533782.0A CN103544465B (en) | 2013-10-31 | 2013-10-31 | A kind of decoding two-dimensional bar code recognition methods and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103544465A true CN103544465A (en) | 2014-01-29 |
| CN103544465B CN103544465B (en) | 2016-08-17 |
Family
ID=49967900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310533782.0A Active CN103544465B (en) | 2013-10-31 | 2013-10-31 | A kind of decoding two-dimensional bar code recognition methods and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103544465B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105138941A (en) * | 2015-08-24 | 2015-12-09 | 北京慧眼智行科技有限公司 | Image reading method used for dynamically configuring decoding parameter and device |
| CN108664836A (en) * | 2018-03-22 | 2018-10-16 | 福建升腾资讯有限公司 | A kind of quick barcode scanning test device and method based on slide unit |
| CN113297866A (en) * | 2021-05-21 | 2021-08-24 | 苏州视印智能系统有限公司 | Industrial code reader based on deep learning and heat map technology |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5637876A (en) * | 1995-11-07 | 1997-06-10 | Isp Investments Inc. | Radiation dosimetry method and apparatus |
| US5774639A (en) * | 1995-02-17 | 1998-06-30 | Eastman Kodak Company | Printer media including compressed sensitometry curve information |
| CN202084053U (en) * | 2011-05-24 | 2011-12-21 | 上海镭立激光科技有限公司 | Device for identifying two-dimension codes in glass |
| CN103049828A (en) * | 2013-01-11 | 2013-04-17 | 广州宽度信息技术有限公司 | Two-dimensional code management system for online products on production line |
| CN103106558A (en) * | 2013-01-14 | 2013-05-15 | 广州宽度信息技术有限公司 | Assembly line product packaging information on-line monitoring system and method |
-
2013
- 2013-10-31 CN CN201310533782.0A patent/CN103544465B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5774639A (en) * | 1995-02-17 | 1998-06-30 | Eastman Kodak Company | Printer media including compressed sensitometry curve information |
| US5637876A (en) * | 1995-11-07 | 1997-06-10 | Isp Investments Inc. | Radiation dosimetry method and apparatus |
| CN202084053U (en) * | 2011-05-24 | 2011-12-21 | 上海镭立激光科技有限公司 | Device for identifying two-dimension codes in glass |
| CN103049828A (en) * | 2013-01-11 | 2013-04-17 | 广州宽度信息技术有限公司 | Two-dimensional code management system for online products on production line |
| CN103106558A (en) * | 2013-01-14 | 2013-05-15 | 广州宽度信息技术有限公司 | Assembly line product packaging information on-line monitoring system and method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105138941A (en) * | 2015-08-24 | 2015-12-09 | 北京慧眼智行科技有限公司 | Image reading method used for dynamically configuring decoding parameter and device |
| CN108664836A (en) * | 2018-03-22 | 2018-10-16 | 福建升腾资讯有限公司 | A kind of quick barcode scanning test device and method based on slide unit |
| CN113297866A (en) * | 2021-05-21 | 2021-08-24 | 苏州视印智能系统有限公司 | Industrial code reader based on deep learning and heat map technology |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103544465B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3040906B1 (en) | Visual feedback for code readers | |
| US8162222B2 (en) | System and method for identifying erasures in a 2D symbol | |
| JP7460728B2 (en) | Method for handling large numbers of decodable indicia | |
| US7568625B2 (en) | Hand-supportable digital image-processing based bar code symbol reading system employing image cropping zone (ICZ) framing and post-image capture cropping | |
| EP1690162B1 (en) | Hand-supportable imaging-based bar code symbol reader supporting narrow-area and wide-area modes of illumination and image capture | |
| US7255279B2 (en) | Hand-supportable digital imaging-based bar code reading system wherein, during each imaging cycle, a single frame of pixel data is automatically detected by a CMOS area-type image sensing array when substantially all rows of pixels therein are in a state of integration and have a common integration time, and then pixel data is transmitted from said CMOS area-type image sensing array into a FIFO buffer, and then mapped into memory for subsequent image processing | |
| CN105787403B (en) | A kind of bar code reading method of high pixel image processing and the bar code recognizing apparatus of high pixel image processing | |
| US20110069146A1 (en) | System and method for processing images | |
| CN103544465A (en) | Method and device for decoding and identifying two-dimensional bar codes | |
| US10534942B1 (en) | Method and apparatus for calibrating a client computing device for decoding symbols | |
| WO2017112131A1 (en) | Determining values of angular gauges | |
| CN203606835U (en) | Two-dimensional barcode decoding recognition device | |
| US12079683B2 (en) | Methods and systems of harvesting data for training machine learning (ML) model | |
| CN112417918A (en) | Two-dimensional code identification method and device, storage medium and electronic equipment | |
| CN109657517B (en) | Miniature two-dimensional code identification method and device, readable storage medium and code scanning gun | |
| CN106796645B (en) | Method and apparatus for guiding a data acquisition device in a mobile unit with a single operation | |
| CN113988240B (en) | Decoding method of reader-writer, reader-writer and storage medium | |
| US11880738B1 (en) | Visual odometry for optical pattern scanning in a real scene | |
| CN101840501B (en) | Decoding method and device for bar code image | |
| RU137813U1 (en) | MOBILE DATA COLLECTION VIDEO SCANNER VIDEO SCANNER | |
| CN117953045A (en) | Array matrix identification method, device, computer equipment and readable storage medium | |
| CN116012826A (en) | Click-to-read method and device, electronic equipment and readable storage medium | |
| CN112560535A (en) | Decoding output method for panoramic sequencing | |
| CN112560533A (en) | Real-time aiming designated decoding method | |
| CN112749591A (en) | Warehouse logistics robot and article identification method and chip thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180731 Address after: 518000 Guangdong Shenzhen Baoan District Xixiang street Taoyuan community Aviation City Industrial Zone Zhan Feng Industrial Park B1 5 floor. Patentee after: Shenzhen Wei Fu vision limited company Address before: 518100 Guangdong Shenzhen Baoan District Xixiang street, Po Tin Road East No. 336 Patentee before: Shenzhen Wave Multimedia Co., Ltd. |
|
| TR01 | Transfer of patent right |