CN104914110B - A kind of phone housing quality detecting system - Google Patents
A kind of phone housing quality detecting system Download PDFInfo
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- CN104914110B CN104914110B CN201510308439.5A CN201510308439A CN104914110B CN 104914110 B CN104914110 B CN 104914110B CN 201510308439 A CN201510308439 A CN 201510308439A CN 104914110 B CN104914110 B CN 104914110B
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- mobile phone
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Abstract
The present invention relates to a kind of phone housing quality detecting system, including the detection to phone housing edge and two aspects of inspection to mobile phone shell on the back, including：Control unit, data acquisition module, two dimensional laser scanning sensor, electrically driven module, the mechanical device for detecting phone housing edge and the mechanical device for detecting mobile phone shell on the back.For detecting that the mechanical device at phone housing edge includes Mobile phone casing clamper, mobile phone shell mounting platform, fixture operating mechanism, clamp locking mechanism and base；Control unit is connected with the output end of data acquisition module and the input of electrically driven module respectively, and two dimensional laser scanning sensor is arranged on base, and its output is connected with the input of data acquisition module；Mobile phone casing clamper includes upper fixture and lower clamp, and lower clamp is fixed on mobile phone shell mounting platform.The present invention has cost relatively low, easily realizes, the high advantage of reliability.
Description
【Technical field】
The invention belongs to Automatic Measurement Technique field, it is related to a kind of phone housing quality determining method.
【Technical background】
In recent years, high-end smart mobile phone is increasingly favored by consumer, and its market share constantly increases.Many states
Parts in the well-known mobile phone productses in border are made in China, so that the electronics industry for China brings huge business opportunity.But
Meanwhile, mobile phone producer it is also proposed strict demand, the mobile phone part manufacture of China for the quality testing of high-end handsets zero, accessory
Business faces huge challenge.
By taking phone housing as an example, due in manufacturing process, cause the outward appearance of some products that indenture occurs, draws
The mass defects such as trace, projection, burr.Current partes manufacturer man is mostly the outward appearance matter by artificial detection phone housing
Amount, it is easy to produce flase drop missing inspection, brings many economic losses, therefore be badly in need of efficient, accurately intelligent automatic inspection to producer
Survey device.Current existing intelligent apparatus (such as patent of invention that phone housing detection is carried out using image processing techniques
CN102218406A), it is necessary to which complicated algorithm for pattern recognition, what is had also needs in multiple angle positions installation detector lens (such as
Utility model CN203455286U), detection method is difficult to realize, the accuracy rate and precision of detection are all not ideal enough.
【The content of the invention】
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind it is simple in construction, equipment cost is relatively low, easily
Realize, the intelligent checking system of the high phone housing Appearance quality defect of reliability, realize that phone housing is (including outer for automatic
The shell back side and edge) presentation quality on-line checking.The technical solution adopted in the present invention is as follows：
A kind of phone housing quality detecting system, including the detection to phone housing edge and the inspection two to mobile phone shell on the back
Individual aspect, wherein,
The detecting system that detection to phone housing edge is used includes：Control unit, data acquisition module, two dimension swash
Optical scanning sensor, electrically driven module and the mechanical device for detecting phone housing edge；
The described mechanical device for being used to detect phone housing edge includes Mobile phone casing clamper, mobile phone shell mounting platform, folder
Have operating mechanism, clamp locking mechanism and base；The output end and electrically driven mould of control unit respectively with data acquisition module
The input of block is connected, and two dimensional laser scanning sensor is arranged on base, and it exports the input phase with data acquisition module
Even；Mobile phone casing clamper includes upper fixture and lower clamp, and lower clamp is fixed on mobile phone shell mounting platform, mobile phone shell mounting platform,
Fixture operation mechanism and clamp locking mechanism are separately mounted on base, and are connected with the output end of electrically driven module；It is to be checked
The phone housing of survey is placed on lower clamp；
Described two dimensional laser scanning sensor, installed in the position contour with phone housing edge horizontal center line, its
Produced two-dimensional laser beam is vertical with the plane at phone housing edge, the profile for scanning cell phone shell edge；
Described electrically driven module, Mobile phone casing clamper, mobile phone shell mounting platform, fixture operating mechanism, fixture locking machine
The working method of structure and base is：(1) phone housing edge to be detected is placed on lower clamp by fixture operating mechanism,
Upper fixture is placed in above phone housing edge again；(2) upper fixture, lower clamp are made by phone housing by clamp locking mechanism
Edge is clamped, to ensure that phone housing edge is not relatively moved with mobile phone shell mounting platform in detection process；(3) mobile phone
Shell mounting platform drives phone housing edge and fixture to rotate in detection process；(4) said process passes through electrically driven mould
Block implements motion control, and its control instruction produces by control unit；
The detecting system that detection to mobile phone shell on the back is used includes：Control unit, data acquisition module, two-dimensional laser are swept
Sensor, electrically driven module and the mechanical device for detecting cell phone back shell quality testing are retouched, wherein,
The described mechanical device for being used to detecting cell phone back shell quality testing include Mobile phone casing clamper, fixture operating mechanism,
Support, guide rail, travel mechanism and base；Control unit is defeated with the output end of data acquisition module and electrically driven module respectively
Enter end to be connected, the output end of two dimensional laser scanning sensor is connected with the input of data acquisition module；Travel mechanism with electrically
The output end of drive module is connected, and support is fixed on base, and guide rail is fixed on support, and travel mechanism is provided with guide rail；
Fixture operating mechanism is fixed on support, the output end phase of travel mechanism and fixture operating mechanism respectively with electrically driven module
Even；Mobile phone casing clamper includes upper fixture and lower clamp, and lower clamp is fixed on base, and after phone housing is clamped, shell on the back is just right
The laser head of two dimensional laser scanning sensor；
Described two dimensional laser scanning sensor is fixed in travel mechanism, two-dimensional laser beam and cell phone back produced by it
Shell is vertical, and can cover entirely tested mobile phone shell on the back；
Described electrically driven module, Mobile phone casing clamper, fixture operating mechanism, guide rail and the working method of travel mechanism
It is：(1) phone housing to be detected is placed on Mobile phone casing clamper by fixture operating mechanism；(2) it is mobile in detection process
Mechanism drives two laser sensors to be moved on guide rail；(3) said process implements motion control by electrically driven module
System, its control instruction is produced by control unit.
The present invention proposes by two dimensional laser scanning sensor to realize phone housing (back side) and edge (side) outside
The intelligent apparatus of appearance quality defects detection, for substituting artificial detection.It is aided with corresponding inspection software, can be with on-line checking mobile phone
The Appearance quality defect of shell, so as to improve the automatization level of Product checking, effectively reduces the manufacturing cost of product.
【Brief description of the drawings】
Fig. 1 is the hardware structure diagram for detecting the detection means at phone housing edge；
Fig. 2 is the front view for detecting the hardware structure diagram of the detection means of mobile phone shell on the back；
Fig. 3 is the side view for detecting the hardware structure diagram of the detection means of mobile phone shell on the back；
Fig. 4 is pie graph of each data frame that is gathered of two-dimensional laser sensor in whole array.
Fig. 5 is the contour curve figure that indenture and convex epirelief occurs in phone housing edge, and (a) is that indenture (b) is convex epirelief；
Fig. 6 is the contour curve figure that indenture and convex epirelief occurs in the phone housing back side, and (a) is that indenture (b) is convex epirelief.
Brief description of the drawings is as follows：
The clamp locking mechanism of 1 two-dimensional laser sensor, 2 base, 3 upper fixture, 4 lower clamp, 5 fixture operating mechanism 6
The travel mechanism of 7 mobile phone shell mounting platform, 8 fixture, 9 support, 10 guide rail 11
【Embodiment】
Further specific be described in detail is done to the present invention with reference to specific embodiment.
The detection means for being used to detect phone housing edge as shown in Figure 1, for the outward appearance matter to phone housing edge
Amount implement intellectualized detection, including control unit, data acquisition module, two dimensional laser scanning sensor, electrically driven module with
And Mobile phone casing clamper, mobile phone shell mounting platform 7, fixture operating mechanism 5, clamp locking mechanism 6 and base 2.
Two dimensional laser scanning sensor is arranged on base 2, and its output end is connected with the input of data acquisition module, is used
Outline data in scanning cell phone shell edge, and it is transferred to data acquisition module.Its mounting means is that two dimensional laser scanning is sensed
Device is arranged on the position contour with phone housing edge horizontal center line, and produced two-dimensional laser beam with phone housing side
The plane on edge is vertical.
Data acquisition module is used to receive the phone housing outline data of two dimensional laser scanning sensor transmissions and is transferred to
Control unit carries out data processing；Electrically driven module includes servomotor, transmission mechanism and its motion-control module etc., is used for
Mobile phone shell is clamped and is fixed on mobile phone shell mounting platform 7 by control Mobile phone casing clamper, and controls mobile phone shell mounting platform 7 to drive
Fixture and mobile phone shell do uniform rotation.
Mobile phone casing clamper includes upper fixture and lower clamp, for clamping tested phone housing in detection process.Wherein,
Lower clamp is fixed on mobile phone shell mounting platform 7, and upper fixture and clamp locking mechanism 6 can be manipulated by fixture operation mechanism, with
Tested phone housing is fixed on mobile phone shell mounting platform 7 by lower clamp together.Mobile phone shell mounting platform 7, fixture operation mechanism
It is separately mounted on base 2, and is connected with the output end of electrically driven module with clamp locking mechanism 6.
Electrically driven module, Mobile phone casing clamper, mobile phone shell mounting platform 7, fixture operating mechanism 5, the and of clamp locking mechanism 6
The working method of base 2 is：1) phone housing to be detected is placed on lower clamp by fixture operating mechanism 5, then will be upper
Fixture is placed in above phone housing；2) upper and lower fixture is made to clamp phone housing by clamp locking mechanism 6, to ensure
Phone housing is not relatively moved with mounting platform in detection process；3) mounting platform drives phone housing in detection process
Uniform rotation is done with fixture；4) said process implements motion control by electrically driven module, and its control instruction is by control
Unit processed is produced.
Control unit is connected with the output end of data acquisition module and the input of electrically driven module respectively, its function
It is：1) fixture operating mechanism 5 and clamp locking mechanism 6 is controlled to be fixed on detected phone housing by electrically driven module
On mobile phone shell mounting platform 7；2) in detection process, mobile phone shell mounting platform 7 is controlled to drive by electrically driven module tested
Phone housing does uniform rotation, and the number of contours at control two dimensional laser scanning sensor collection phone housing edge in the process
According to；3) control data acquisition module receives the data from two dimensional laser scanning sensor, stores into a two-dimensional array；4)
Service data processing and detection algorithm, and the shell quality testing standard provided according to mobile-phone manufacturers, to judge mobile phone shell outward appearance matter
Whether amount is qualified.
The detection means for being used to detect the phone housing back side as shown in Figures 2 and 3, for the outer of mobile phone shell rear surface
Appearance quality implements intellectualized detection, including control unit, data acquisition module, two dimensional laser scanning sensor, electrically driven mould
Block and Mobile phone casing clamper, fixture operating mechanism 5, support 9, guide rail 10, travel mechanism and base 2.
Two dimensional laser scanning sensor is arranged in travel mechanism, and is connected with the input of data acquisition module, is used for
The outline data of scanning cell phone shell rear surface, and it is transferred to data acquisition module.Its mounting means is to make the two dimension produced by it
Laser beam is vertical with phone housing back side plane, and can cover the entirely tested phone housing back side.The installation side of guide rail 10
Formula is, the surface positioned at the tested phone housing back side, the centerline parallel with the tested phone housing back side.
Data acquisition module is used to receive the phone housing back side outline data of two dimensional laser scanning sensor transmissions and passed
It is defeated by control unit and carries out data processing；Electrically driven module includes servomotor, transmission mechanism and its motion-control module etc.,
For controlling fixture operating mechanism 5 by the tested phone housing back side installed in Mobile phone casing clamper.
Described electrically driven module, Mobile phone casing clamper, fixture operating mechanism 5, guide rail 10 and the work side of travel mechanism
Formula is：(1) phone housing to be detected is placed on Mobile phone casing clamper by fixture operating mechanism 5；(2) in detection process,
Travel mechanism drives two laser sensors to be laterally moved on guide rail 10；(3) said process passes through electrically driven module
To implement motion control, its control instruction is produced by control unit.
Control unit is connected with the output end of data acquisition module and the input of electrically driven module respectively, its function
It is：1) control fixture operating mechanism 5 that the phone housing back side is fixed on Mobile phone casing clamper by electrically driven module；2) in inspection
During survey, travel mechanism is controlled to drive two-dimensional laser sensor 1 to do uniform translation by electrically driven module, and in this process
The outline data at the middle control two dimensional laser scanning sensor collection phone housing back side；3) control data acquisition module is received and come from
The data of two dimensional laser scanning sensor, are stored into a two-dimensional array；4) service data processing and detection algorithm, and according to
The shell quality testing standard that mobile-phone manufacturers are provided, to judge whether mobile phone shell presentation quality is qualified.
The one frame data curve at phone housing edge as shown in Figure 4, is to drive mobile phone shell folder in mobile phone shell mounting platform 7
During tool and tested phone housing do uniform rotation one week, adopted by two-dimensional laser sensor 1 in a sampling period
The data collected.The data and curves include phone housing edge portions, Mobile phone casing clamper part and other parts.Control unit
After the frame data are received, preprocessing function need to be performed, only retains the data for wherein embodying phone housing edge contour curve, and
It is deposited into the respective column in two-dimensional array.
Two-dimensional array as shown in Figure 4 is the data combination of embodiment phone housing outline portion in all data frames, per frame
Corresponding data are stored in the row in two-dimensional array respectively.The data respectively arranged are arranged according to acquisition time order, i.e., and first
Frame data come first row, by that analogy.N is total sampling frame number that phone housing edge rotates a circle, by the numerical value for setting n
The sampling period of two-dimensional laser sensor 1 can be set.
Shown in Fig. 5 is the contour curve figure that indenture and convex epirelief occurs in phone housing edge, and detection algorithm is with preferable hand
Machine housing profile curve is refers to, and the data for indenture or convex epirelief part occur in the phone housing contour curve that actual measurement is obtained are carried
Take out, calculate the area and depth or height of indenture or convex epirelief, the shell quality testing standard provided further according to mobile-phone manufacturers comes
Judge whether mobile phone shell presentation quality is qualified.
Fig. 6 is the contour curve figure that indenture and convex epirelief occurs in the phone housing back side, and detection algorithm is with preferable phone housing
Contour curve is refers to, and the data for indenture or convex epirelief part occur in the phone housing contour curve that actual measurement is obtained are extracted
Come, calculate the area and depth or height of indenture or convex epirelief, the shell quality testing standard provided further according to mobile-phone manufacturers, to judge
Whether mobile phone shell presentation quality is qualified.
In summary, it is achieved by the steps of for phone housing edge presentation quality automatic detection process：1)
Control unit sends to electrically driven module and instructed, and makes it control fixture operating mechanism 5 to put phone housing edge to be detected
Put on lower clamp, then upper fixture is placed in above phone housing edge, and upper and lower fixture is made by clamp locking mechanism 6
Phone housing edge is clamped；2) control unit sends to electrically driven module and instructed, and it is controlled the band of mobile phone shell mounting platform 7
Dynamic fixture and mobile phone shell do uniform rotation one week；3) fixture and mobile phone shell is driven to do uniform rotation in mobile phone shell mounting platform 7
During, control unit sends to two dimensional laser scanning sensor and instructed, and carries out its side profile to phone housing edge
Data scanning；3) control unit sends to data acquisition module and instructed, and its real-time reception is come from two dimensional laser scanning sensor
Mobile phone shell outline data, and be transferred to control unit；4) control unit is received after complete mobile phone shell outline data, runs phase
The data processing answered and detection algorithm, and judge whether mobile phone shell presentation quality is qualified according to testing result.
For detect data processing method that phone housing edge presentation quality used for：1) control unit sets up one
New two-dimensional array, for depositing phone housing edge outline data；2) it is pre- to each data frame progress data gathered
Processing, only retains the outline data of phone housing edge portions, and these data is stored in a certain in a two-dimensional array
Row, the position of storage is arranged according to acquisition time order, until the collection of all data frames is completed, so that by outside fixture and mobile phone
All data that the uniform rotation of shell edge is gathered during one week combine to form complete phone housing edge contour curve；3)
The coarseness data of phone housing edge contour curve, the shell quality testing standard provided according to mobile-phone manufacturers, to judge are provided
Whether mobile phone shell presentation quality is qualified.
For detect data processing method that phone housing back appearance quality used for：1) control unit sets up one
New two-dimensional array, for depositing phone housing back side outline data；2) it is pre- to each data frame progress data gathered
Processing, only retains the outline data of phone housing back portion, and these data is stored in a certain in a two-dimensional array
Row, the position of storage is arranged according to acquisition time order, until the collection of all data frames is completed, so that travel mechanism be driven
All data that two-dimensional laser sensor 1 is gathered in translation motion is done along guide rail 10 combine to form the complete phone housing back of the body
Facial contour curve；3) coarseness data of phone housing back side contour curve, the outer chitin provided according to mobile-phone manufacturers are provided
Inspection standard, to judge whether phone housing back appearance quality is qualified.
Automatic detection process for phone housing back appearance quality is achieved by the steps of：1) control unit
Send and instruct to electrically driven module, make it control fixture operating mechanism 5 that the phone housing back side to be detected is placed on into mobile phone
On shell fixture, it is ensured that it is not moved in detection process；2) control unit sends to electrically driven module and instructed, and controls it
Travel mechanism processed drives two-dimensional laser sensor 1 doing uniform translation along guide rail 10；3) two-dimensional laser is driven to pass in travel mechanism
Sensor 1 along guide rail 10 during translating, and control unit sends to two dimensional laser scanning sensor and instructed, and makes it to mobile phone
The profile of shell rear surface carries out data scanning；3) control unit sends to data acquisition module and instructed, and comes from its real-time reception
The phone housing back side outline data of two dimensional laser scanning sensor, and it is transferred to control unit；4) control unit is received completely
Phone housing back side outline data after, run corresponding data processing and detection algorithm, and mobile phone is judged according to testing result
Whether shell rear surface presentation quality is qualified.
For be tested the roughness detecting method that is used of phone housing outline data for：1) with preferable phone housing wheel
Wide curve is refers to, and the data for indented portion occur in the phone housing contour curve that actual measurement is obtained are extracted, and calculates recessed
The area and depth of trace, the shell quality testing standard provided further according to mobile-phone manufacturers, to judge whether mobile phone shell presentation quality closes
Lattice；2) using preferable phone housing contour curve as reference, there is convex epirelief portion in the phone housing contour curve that actual measurement is obtained
The data divided are extracted, and calculate the area and height of convex epirelief, the shell quality testing standard provided further according to mobile-phone manufacturers, to sentence
Whether qualified determine mobile phone shell presentation quality.
Claims (1)
1. a kind of phone housing quality detecting system, including the detection to phone housing edge and the inspection two to mobile phone shell on the back
Aspect, wherein,
The detecting system that detection to phone housing edge is used includes：Control unit, data acquisition module, two-dimensional laser are swept
Sensor, electrically driven module and the mechanical device for detecting phone housing edge are retouched, wherein,
The described mechanical device for being used to detect phone housing edge includes Mobile phone casing clamper, mobile phone shell mounting platform, fixture behaviour
Vertical mechanism, clamp locking mechanism and base；Control unit respectively with the output end of data acquisition module and electrically driven module
Input is connected, and two dimensional laser scanning sensor is arranged on base, and its output is connected with the input of data acquisition module；Hand
Casing fixture includes upper fixture and lower clamp, and lower clamp is fixed on mobile phone shell mounting platform, mobile phone shell mounting platform, fixture behaviour
Make mechanism and clamp locking mechanism is separately mounted on base, and be connected with the output end of electrically driven module；Hand to be detected
Machine shell is placed on lower clamp；
Described two dimensional laser scanning sensor, installed in the position contour with phone housing edge horizontal center line, it is produced
Raw two-dimensional laser beam is vertical with the plane at phone housing edge, the profile for scanning cell phone shell edge；
Described electrically driven module, Mobile phone casing clamper, mobile phone shell mounting platform, fixture operating mechanism, clamp locking mechanism and
The working method of base is：(1) phone housing edge to be detected is placed on lower clamp by fixture operating mechanism, then will
Upper fixture is placed in above phone housing edge；(2) upper fixture, lower clamp are made by phone housing edge by clamp locking mechanism
Clamp, to ensure that phone housing edge is not relatively moved with mobile phone shell mounting platform in detection process；(3) mobile phone shell is pacified
Assembling platform drives phone housing edge and fixture to rotate in detection process；(4) said process by electrically driven module come
Implement motion control, its control instruction is produced by control unit；
The detecting system that detection to mobile phone shell on the back is used includes：Control unit, data acquisition module, two dimensional laser scanning are passed
Sensor, electrically driven module and the mechanical device for detecting cell phone back shell quality testing, wherein,
The described mechanical device for being used to detecting cell phone back shell quality testing include Mobile phone casing clamper, fixture operating mechanism, support,
Guide rail, travel mechanism and base；The output end and the input of electrically driven module of control unit respectively with data acquisition module
It is connected, the output end of two dimensional laser scanning sensor is connected with the input of data acquisition module；Travel mechanism with it is electrically driven
The output end of module is connected, and support is fixed on base, and guide rail is fixed on support, and travel mechanism is provided with guide rail；Fixture
Operating mechanism is fixed on support, and the output end of travel mechanism and fixture operating mechanism respectively with electrically driven module is connected；Hand
Casing fixture includes upper fixture and lower clamp, and lower clamp is fixed on base, after phone housing is clamped, and shell on the back just swashs to two dimension
The laser head of optical scanning sensor；
Described two dimensional laser scanning sensor is fixed in travel mechanism, and the two-dimensional laser beam produced by it hangs down with mobile phone shell on the back
Directly, and entirely tested mobile phone shell on the back can be covered；
Described electrically driven module, Mobile phone casing clamper, fixture operating mechanism, guide rail and the working method of travel mechanism be：(1)
Phone housing to be detected is placed on Mobile phone casing clamper by fixture operating mechanism；(2) in detection process, travel mechanism's band
Two laser sensors are moved to move on guide rail；(3) said process implements motion control by electrically driven module, and it is controlled
System instruction is produced by control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510308439.5A CN104914110B (en) | 2015-06-05 | 2015-06-05 | A kind of phone housing quality detecting system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510308439.5A CN104914110B (en) | 2015-06-05 | 2015-06-05 | A kind of phone housing quality detecting system |
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| CN104914110A CN104914110A (en) | 2015-09-16 |
| CN104914110B true CN104914110B (en) | 2017-10-13 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105318913A (en) * | 2015-10-31 | 2016-02-10 | 芜湖迈特电子科技有限公司 | Remote on-line electronic product detection system |
| CN107449782B (en) * | 2017-08-15 | 2024-07-23 | 杭州晶耐科光电技术有限公司 | Digital quantitative detection system for side surface defects of mobile phone shell |
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| CN201145670Y (en) * | 2007-09-25 | 2008-11-05 | 比亚迪股份有限公司 | Mobile phone spray finishing appearance detection device |
| CN102218406A (en) * | 2011-01-04 | 2011-10-19 | 华南理工大学 | Intelligent detection device of defects of mobile phone outer shell based on machine vision |
| KR101076010B1 (en) * | 2009-10-26 | 2011-10-21 | 주식회사 와이즈드림 | Line scannig device |
| JP5149403B2 (en) * | 2011-01-17 | 2013-02-20 | 株式会社竹中工務店 | Image inspection method and image inspection apparatus |
| CN203455286U (en) * | 2013-08-30 | 2014-02-26 | 东莞市乐琪光电科技有限公司 | Cell phone outer shell edge quality detection device based on machine vision |
| CN203824928U (en) * | 2014-04-01 | 2014-09-10 | 华南理工大学 | Product outer surface defect image acquisition device based on machine vision |
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2015
- 2015-06-05 CN CN201510308439.5A patent/CN104914110B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201145670Y (en) * | 2007-09-25 | 2008-11-05 | 比亚迪股份有限公司 | Mobile phone spray finishing appearance detection device |
| KR101076010B1 (en) * | 2009-10-26 | 2011-10-21 | 주식회사 와이즈드림 | Line scannig device |
| CN102218406A (en) * | 2011-01-04 | 2011-10-19 | 华南理工大学 | Intelligent detection device of defects of mobile phone outer shell based on machine vision |
| JP5149403B2 (en) * | 2011-01-17 | 2013-02-20 | 株式会社竹中工務店 | Image inspection method and image inspection apparatus |
| CN203455286U (en) * | 2013-08-30 | 2014-02-26 | 东莞市乐琪光电科技有限公司 | Cell phone outer shell edge quality detection device based on machine vision |
| CN203824928U (en) * | 2014-04-01 | 2014-09-10 | 华南理工大学 | Product outer surface defect image acquisition device based on machine vision |
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