CN110517231A - Shield the detection method and device of body showing edge - Google Patents
Shield the detection method and device of body showing edge Download PDFInfo
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- CN110517231A CN110517231A CN201910746681.9A CN201910746681A CN110517231A CN 110517231 A CN110517231 A CN 110517231A CN 201910746681 A CN201910746681 A CN 201910746681A CN 110517231 A CN110517231 A CN 110517231A
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- 238000001514 detection method Methods 0.000 title claims abstract description 57
- 239000011159 matrix material Substances 0.000 claims abstract description 25
- 230000007547 defect Effects 0.000 claims abstract description 16
- 230000002950 deficient Effects 0.000 claims description 83
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 238000012790 confirmation Methods 0.000 claims description 10
- 238000003491 array Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000012141 concentrate Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
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- 238000004519 manufacturing process Methods 0.000 description 2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
- G06T7/0008—Industrial image inspection checking presence/absence
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
- G06T7/001—Industrial image inspection using an image reference approach
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10004—Still image; Photographic image
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30121—CRT, LCD or plasma display
Abstract
This application provides the detection methods and device of a kind of screen body showing edge, are related to field of display technology.The detection method of the screen body showing edge includes: to identify the crimp at the edge of viewing area in the image of screen body to be measured according to the crimp collection prestored；In the image of the screen body to be measured, the corresponding minimum matrix of the crimp is intercepted, crimp module is obtained；The crimp module of the screen body to be measured is compared with standard crimp module, to judge the crimp of the screen body to be measured with the presence or absence of defect pixel.Embodiments herein to realize the aimed detection of the crimp to the edge of viewing area, and then improves the detection accuracy at the edge of viewing area by directly comparing the crimp module at the edge of viewing area in the image of screen body to be measured with standard module.
Description
Technical field
This application involves field of display technology, more particularly to the detection method and device of screen body showing edge.
Background technique
With the development of display technology, OLED (Organic Light-Emitting Diode) display technology becomes mesh
The display technology of preceding mainstream.Correspondingly, OLED display panel also becomes the display panel of current mainstream.In OLED display panel
Production process in, for quality assurance, it usually needs carry out quality testing and control to screen body in the production phase of screen body.So
And during detection, the edge of the viewing area of abnormity screen body can have the case where inspection or missing inspection.
Therefore, the cross inspection or missing inspection for how improving the edge of the viewing area of abnormity screen body become urgent problem to be solved.
Summary of the invention
In view of this, the embodiment of the present application is dedicated to providing the detection method and device of screen body showing edge, to improve
The case where inspection or missing inspection are crossed in the edge of the viewing area of abnormity screen body in the prior art.
On the one hand the application provides a kind of detection method of screen body showing edge, comprising: according to the crimp collection prestored, know
The crimp at the edge of viewing area in the image of screen body not to be measured；In the image of the screen body to be measured, it is corresponding to intercept the crimp
Minimum matrix, obtain crimp module；The crimp module of the screen body to be measured is compared with standard crimp module, with
Judge the crimp of the screen body to be measured with the presence or absence of defect pixel.By by the edge of viewing area in the image of screen body to be measured
Crimp module directly compared with standard crimp module, to realize the aimed detection of the crimp to the edge of viewing area,
And then improve the detection accuracy at the edge of viewing area.
In one embodiment of the application, in the image of identification screen body to be measured the crimp at the edge of viewing area it
Before, further comprise: obtaining the image of non-defective unit screen body, wherein whole pixels of the image of the non-defective unit screen body are arranged in arrays；
Successively judge whether each pixel meets the first preset condition in whole pixels of the image of the non-defective unit screen body；And if
The pixel of the image for the non-defective unit screen body being judged meets first preset condition, the non-defective unit being judged described in confirmation
The pixel for shielding the image of body is located at the viewing area of the non-defective unit screen body.Provide quick, the accurate determining viewing area pixel of one kind
Method.
In one embodiment of the application, the pixel of the image for the non-defective unit screen body being judged described in the confirmation
After the viewing area of the non-defective unit screen body, further comprise: the image for the non-defective unit screen body being judged described in judgement
Whether pixel is in the set of pixels of viewing area；And if the pixel of the image of the non-defective unit screen body being judged is not described aobvious
Show in area's set of pixels, by the pixel record of the image of the non-defective unit screen body being judged in the viewing area set of pixels.
Provide a kind of acquisition modes of location information for obtaining viewing area pixel.
In one embodiment of the application, the pixel of the image for the non-defective unit screen body being judged described in the confirmation
After the viewing area of the non-defective unit screen body, further comprise: the image for the non-defective unit screen body being judged described in judgement
Whether the adjacent peripheral pixel of pixel meets the second preset condition；And if the adjacent peripheral pixel is not able to satisfy described second
Preset condition, the pixel of the image for the non-defective unit screen body being judged described in confirmation are located at the side of the viewing area of the non-defective unit screen body
Edge.The edge whether pixel opened and be judged is located at the viewing area of screen body can be accurately distinguished.
In one embodiment of the application, the pixel of the image for the non-defective unit screen body being judged described in the confirmation
After the edge of the viewing area of the non-defective unit screen body, further comprise: the non-defective unit screen body being judged described in judgement
Whether the pixel of image is in edge pixel collection；And if the pixel of the image of the non-defective unit screen body being judged is not in institute
It states in edge pixel collection, by the pixel record of the image of the non-defective unit screen body being judged in the edge pixel collection.
The range of edge pixel collection has been determined, has provided good basis for subsequent step.
In one embodiment of the application, the image for obtaining non-defective unit screen body has been performed repeatedly, the edge picture
Element collects all pixels for having recorded the edge of the viewing area of image of multiple non-defective unit screen bodies, the viewing area set of pixels record
The all pixels of the viewing area of the image of the multiple non-defective unit screen body, further comprise: judging the viewing area pixel
Whether the pixel of concentration is in the edge pixel collection；And if the pixel in the viewing area set of pixels is not or not the side
In edge set of pixels, by the pixel record in the viewing area set of pixels in non-edge pixels collection.By the pixel of viewing area
Edge pixel collection and non-edge pixels collection are marked off, more accurate classification has been carried out to pixel.
In one embodiment of the application, whether the last one pixel is judged in institute in the viewing area set of pixels
After stating in edge pixel collection, further comprise: whether the pixel for judging that the non-edge pixels is concentrated is the edge pixel
One adjacent peripheral pixel of the pixel of concentration；And if the pixel that the non-edge pixels is concentrated is the edge pixel
One adjacent peripheral pixel of the pixel of concentration, the pixel record that the non-edge pixels is concentrated is in secondary edge set of pixels
It is interior.A kind of method of secondary edge set of pixels for obtaining to detect is provided, is detected convenient for edge defect of the later period to screen body.
In one embodiment of the application, further comprise:, will be in the secondary edge set of pixels according to positional relationship
All pixels are divided into straight flange collection and the crimp collection.Provide how one kind distinguishes time straight flange collection at edge and the side of crimp collection
Method further determines that out the crimp collection pixel at screen body edge.
In one embodiment of the application, further comprise: in the image of the non-defective unit screen body, intercepting the crimp
Collect corresponding minimum matrix, obtains the standard crimp module.A kind of method for how obtaining standard crimp module is provided, just
It is compared in screen body to be measured.
On the other hand the application provides a kind of detection device of screen body showing edge, comprising: identification module is used for foundation
The crimp collection prestored identifies the crimp at the edge of viewing area in the image of screen body to be measured；Interception module, in the screen to be measured
In the image of body, the corresponding minimum matrix of the crimp is intercepted, crimp module is obtained；Contrast module is used for the screen to be measured
The crimp module of body is compared with standard crimp module, to judge the crimp of the screen body to be measured with the presence or absence of scarce
Fall into pixel.
Embodiments herein is by by the crimp module and standard module at the edge of viewing area in the image of screen body to be measured
Directly compare, so that the aimed detection of the crimp to the edge of viewing area is realized, and then improve the edge of viewing area
Detection accuracy.
Detailed description of the invention
Fig. 1 is the schematic frame diagram according to the detection system of the screen body showing edge of the application one embodiment.
Fig. 2 is the partial schematic diagram according to the edge of the viewing area of the application one embodiment.
Fig. 3 is the schematic flow chart according to the detection method of the screen body showing edge of the application one embodiment.
Fig. 4 is the schematic flow chart according to the detection method of the screen body showing edge of the application another embodiment.
Fig. 5 is the partial schematic diagram according to the matrix of the application one embodiment.
Fig. 6 is the schematic flow chart according to the detection method of the screen body showing edge of the application another embodiment.
Fig. 7 is the schematic flow chart according to the detection method of the screen body showing edge of the application further embodiment.
Fig. 8 is the schematic diagram according to the detection device of the screen body showing edge of the application one embodiment.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that the described embodiments are only a part but not all of the embodiments of the present application.Based on this
Embodiment in application, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall in the protection scope of this application.
In the conceived case, the same or similar part will use identical appended drawing reference in attached drawing.
Fig. 1 is the schematic frame diagram according to the detection system of the screen body showing edge of the application one embodiment.Fig. 2 is
According to the partial schematic diagram at the edge of the viewing area of the application one embodiment.
As shown in Figure 1, the detection system of screen body showing edge may include screen body 110, picture shooting assembly 120 and electronic equipment
130.Herein, picture shooting assembly 120 and electronic equipment 130 can communicate, so that electronic equipment 130 can handle picture shooting assembly
The image of the screen body 110 of 120 shootings.
In order to meet the needs of light, picture shooting assembly 120 may further include optical unit, so as to shooting when,
Optical unit can carry out light filling for screen body 110.
Screen body 110 can be the screen body in OLED display panel, and the screen body 110 can be abnormity screen body.Specifically, different
Shape screen body can refer to that the face shaping of viewing area is the screen body of on-right angle rectangle.For example, as shown in Fig. 2, abnormity screen body is shown
The face shaping for showing area can be round rectangle.That is, the edge of viewing area may include straight flange 1 and crimp 2, such as Fig. 2
In A shown in.
Further more, the edge of viewing area may further include notch (Notch), it can be reserved on body 110 to shield
The setting position of its component.For example, for mobile phone, other components may include earpiece, photoinduction sensor or preposition take the photograph
As head etc..Correspondingly, notch also may include straight flange 1 and crimp 2.
In addition, screen body 110 can be non-defective unit screen body, it is also possible to screen body to be measured.Viewing area can refer to be used on screen body 110
In the region of display.
As described in background, when the pixel to viewing area detects, the edge of viewing area exists abnormity screen body
The case where crossing inspection or missing inspection.The case where by counting, crossing inspection or missing inspection, is concentrated mainly on the crimp 2 at edge.Therefore, if
The detection accuracy that crimp 2 can be improved will be effectively improved the case where the crossing inspection or missing inspection of edge of the viewing area of abnormity screen body.
Fig. 3 is the schematic flow chart according to the detection method of the screen body showing edge of the application one embodiment.Fig. 3's
Method can be executed by the electronic equipment 130 in Fig. 1.
Based on this, embodiments herein provides a kind of detection method of screen body showing edge.As shown in figure 3, the inspection
Survey method may include steps of.
Step 310, according to the crimp collection prestored, the crimp 2 at the edge of viewing area in the image of screen body to be measured is identified.
Herein, crimp collection may include the location information of each pixel in crimp 2.
Step 320, the corresponding minimum matrix of above-mentioned crimp 2 is intercepted in the image of above-mentioned screen body to be measured, obtains curring die
Block.
In the image of above-mentioned screen body to be measured, whole pixels are arranged in arrays, so as to realize that above-mentioned crimp 2 is corresponding
The interception of minimum matrix.
Step 330, the crimp module of above-mentioned screen body to be measured is compared with standard crimp module, to judge the screen to be measured
The crimp of body whether there is defect pixel.
Specifically, when the quantity of crimp module is multiple, each crimp module has corresponding standard crimp module.In
Here, the comparison that crimp module and standard crimp module carry out can be image comparison.If finding pixel during comparison
Difference, for example, the luminance difference of pixel, can determine that the pixel in crimp module is defect pixel.It may determine that in next step
Whether the defect pixel belongs to crimp collection, to confirm whether the defect pixel is located at crimp 2.
Embodiments herein is by by the crimp module at the edge of viewing area in the image of screen body to be measured and standard crimp
Module directly compares, to realize the aimed detection to the crimp 2 at the edge of viewing area, and then improves the side of viewing area
The detection accuracy of edge.
Fig. 4 is the schematic flow chart according to the detection method of the screen body showing edge of the application another embodiment.
In one embodiment of the application, as shown in figure 4, the detection method can be wrapped further before step 310
Include following steps.
Step 410, the image of non-defective unit screen body is obtained, wherein whole pixels of the image of non-defective unit screen body are arranged in arrays.
Step 420, along the line direction of above-mentioned matrix or along above-mentioned matrix column direction, successively judge above-mentioned whole pixels
In each pixel whether meet the first preset condition.
Step 430, if the above-mentioned pixel being judged meets the first preset condition, confirm that the pixel being judged is located at non-defective unit
Shield the viewing area of body.
Specifically, before the image of shooting non-defective unit screen body, first non-defective unit screen body can be lighted, it will be good will pass through brightness
The viewing area of the image of product screen body and non-display area distinguish.Non-display area can be made of non-display pixel 5.Further
Ground becomes more apparent upon in order to enable distinguishing, can utilize the optical unit of picture shooting assembly 120 while lighting non-defective unit screen body
Light filling is carried out to screen body.
In this case, the first preset condition can refer in bright state.That is, judging non-defective unit screen body
A pixel of image whether to meet the first preset condition be to judge whether the pixel is in bright state.
In one embodiment of the application, after step 430, the detection method may further include judge it is above-mentioned
The pixel of the image for the non-defective unit screen body being judged whether in the set of pixels of viewing area, and if the non-defective unit screen body being judged figure
The pixel of picture is not in the set of pixels of viewing area, and it meets the first preset condition, then by the figure of the non-defective unit screen body being judged
The pixel record of picture is in the set of pixels of viewing area.Viewing area pixel centralized recording has the location information of wherein each pixel.
For example, a line direction of the matrix can be defined as X-axis, a column direction of the matrix in above-mentioned matrix
It can be defined as Y-axis, the intersection point of X-axis and Y-axis can be defined as origin.Correspondingly, in the matrix, a pixel has one
Coordinate, and the coordinate can be used as the location information of the pixel.
Fig. 5 is the partial schematic diagram according to the matrix of the application one embodiment.
In one embodiment of the application, after step 430, which may further include following step
Suddenly.
Step 440, judge whether the adjacent peripheral pixel of the above-mentioned pixel being judged meets the second preset condition.
Specifically, as shown in figure 5, in the matrix being made of the pixel of the image of non-defective unit screen body, pixel it is adjacent
Neighboring pixel can refer to all pixels nearest with the pixel distance.For example, the adjacent peripheral pixel of pixel a can refer to picture
Plain b, pixel c, pixel d and pixel e.
Step 450, if above-mentioned adjacent peripheral pixel is not able to satisfy the second preset condition, confirm the above-mentioned pixel position being judged
In the edge of the viewing area of non-defective unit screen body.
Specifically, when the first preset condition refers in bright state, the second preset condition can refer to be in it is bright
State.That is, judging whether the adjacent peripheral pixel of a pixel of the image of non-defective unit screen body meets the second default item
Exactly judge whether four adjacent peripheral pixels of the pixel of the image of the non-defective unit screen body are in bright state.If being judged
Pixel meets the first preset condition, but is unsatisfactory for the second preset condition, then the pixel of the image of the non-defective unit screen body being judged
Positioned at the edge of the viewing area of non-defective unit screen body.
In one embodiment of the application, after step 450, the detection method may further include judge it is above-mentioned
Whether the pixel of the image for the non-defective unit screen body being judged is in edge pixel collection, and if the image of non-defective unit screen body that is judged
Pixel is not in edge pixel collection, and it meets the first preset condition, is unsatisfactory for the second preset condition, is then judged this
The pixel record of the image of non-defective unit screen body is in edge pixel collection.Edge pixel centralized recording has the position of wherein each pixel to believe
Breath.
Fig. 6 is the schematic flow chart according to the detection method of the screen body showing edge of the application another embodiment.
In one embodiment of the application, step 410 has been performed repeatedly, to obtain the figure of multiple non-defective unit screen bodies
Picture, so that above-mentioned edge pixel collects all pixels for having recorded the edge of the viewing area of image of multiple non-defective unit screen bodies, on
State viewing area set of pixels have recorded multiple non-defective unit screen bodies image viewing area all pixels.That is, having judged each
The pixel of the viewing area of the image of non-defective unit screen body has also judged the image of each non-defective unit screen body whether in the set of pixels of viewing area
Whether the pixel at the edge of viewing area is in edge pixel collection.In this case, as shown in fig. 6, the detection method can be with
It further comprise following steps.
Step 610, judge the pixel in the set of pixels of viewing area whether in edge pixel collection.
It step 620, will be in the set of pixels of viewing area if the above-mentioned pixel in the set of pixels of viewing area is not in edge pixel collection
This pixel record is in non-edge pixels collection.Non-edge pixels centralized recording has the location information of wherein each pixel.
Specifically, for non-defective unit screen body, the edge of viewing area is also likely to be present defect pixel, but the defect pixel
It escapes detection.When the non-defective unit screen body is used to execute step 410, defect pixel cannot be recorded in the set of pixels of viewing area, from
And cause the pixel record of viewing area incomplete.In order to avoid such case, step 410 can be performed a number of times, to pass through
Other non-defective unit screen bodies are complete by viewing area pixel record.
Viewing area set of pixels includes edge pixel 3 and non-edge pixels.By executing step 610 and step 612, can incite somebody to action
Non-edge pixels in the set of pixels of viewing area is recorded in non-edge pixels collection.
Fig. 7 is the schematic flow chart according to the detection method of the screen body showing edge of the application further embodiment.
In one embodiment of the application, whether the last one pixel is judged in edge picture in the set of pixels of viewing area
After in element collection, i.e., the last one pixel is performed after step 610 in the set of pixels of viewing area, as shown in fig. 7, the detection method
It may further include following steps.
Step 710, judge non-edge pixels concentrate pixel whether be edge pixel concentrate pixel an adjacent week
Side pixel.
Step 720, if the above-mentioned pixel that non-edge pixels is concentrated is an adjacent peripheral of the pixel that edge pixel is concentrated
Pixel, this pixel record that non-edge pixels is concentrated is in secondary edge set of pixels.Recording in secondary edge set of pixels has wherein
The location information of each pixel.
Specifically, in the detection for carrying out the edge of viewing area of screen body to be measured, due to edge pixel existing defects pixel
It is also possible to non-defective unit screen body, and the pixel at secondary edge is only the emphasis of detection, so what is often detected is not the edge of viewing area,
But the secondary edge of viewing area.
Non-edge pixels collection includes the adjacent pixel that edge pixel concentrates pixel, which is properly termed as time edge picture
Element 4.Multiple secondary edge pixels 4 constitute time edge, as shown in B in Fig. 2.That is, secondary edge adjacent edge setting.By holding
Secondary edge pixel 4 can be gathered in a set by row step 710 and step 720, and the set can be referred to as time edge
Set of pixels.Secondary edge set of pixels may include the location information of each pixel.
In one embodiment of the application, after all pixels that non-edge pixels is concentrated are performed step 710,
The detection method may further include according to positional relationship, and all pixels in secondary edge set of pixels are divided into straight flange collection and curved
Side collection.
Specifically, secondary edge also includes straight flange 1 and crimp 2.Pixel for constituting straight flange 1 can be categorized in straight flange collection
In, the pixel for constituting crimp 2 can be categorized in crimp concentration.It should be appreciated that when time edge includes multiple straight flanges 1 and multiple
When crimp 2, each straight flange 1 has corresponding straight flange collection, and each crimp 2 also has corresponding crimp collection.Straight flange collection includes each pixel
Location information, crimp collection also includes the location information of each pixel.
In addition, carrying out obtaining for the image of non-defective unit screen body in order to obtain straight flange collection and crimp collection according to positional relationship
When taking, the calibration that can be set with advanced line position, so that above-mentioned X-axis can be parallel with a straight flange 1 at the edge of viewing area.
Herein, positional relationship refers to positional relationship of all pixels in above-mentioned matrix in time edge set of pixels.In
In matrix, a straight flange collection can be classified as by the continuously arranged pixel of row.When there is multirow, available every a line is corresponding straight
Side collection.Similarly, a straight flange collection can also be classified as by the continuously arranged pixel of column.When there is multiple row, available each column
Corresponding straight flange collection.It should be appreciated that these continuously arranged pixels will belong to time edge set of pixels.It is remaining in secondary edge set of pixels
Pixel can be divided by the region of concentration.For example, choosing a pixel in residual pixel, being properly termed as the first picture
Element obtains second pixel nearest with the first pixel distance, wherein the distance between the first pixel and the second pixel can be less than
The distance between adjacent three pixels of the line direction or column direction of matrix, the distance between adjacent three pixels are properly termed as sentencing
Turn-off from.It should be appreciated that the second pixel belongs to time edge set of pixels.Later, the nearest with the second pixel distance is obtained
Three pixels, wherein the distance between the second pixel and third pixel are again smaller than judging minimum range.It should be appreciated that third pixel
It is not the first pixel.The rest may be inferred, and when n-th pixel is without apart from nearest pixel, the first pixel to N pixel be may belong to
The region of one concentration, belongs to a crimp collection.Similarly, available multiple crimp collection.Herein, the sequence of judgement can be with
According to the sequence that secondary edge set of pixels is added.
In one embodiment of the application, which be may further include in the image of non-defective unit screen body, be cut
The corresponding minimum matrix of above-mentioned crimp collection is taken, standard crimp module is obtained, as shown in C in Fig. 2.Herein, the standard obtained is curved
Side mode block can be the standard crimp module in step 330.It should be appreciated that when the quantity of crimp collection is multiple, each crimp
Collection has corresponding standard crimp module.
Optionally, in another embodiment of the application, after obtaining crimp collection, in non-defective unit screen body image, with
Crimp integrate indicated by pixel as ontology, mirror image goes out the virtual ontology of the ontology.Virtual pixel is supplemented around virtual ontology,
So that virtual ontology and the virtual pixel of supplement can be arranged in arrays.It should be appreciated that the pixel around the ontology and the ontology
Arrangement regulation in non-defective unit screen body image is identical as the arrangement regulation of virtual ontology and the virtual pixel of supplement.
For ease of description, the matrix that virtual ontology and the virtual pixel of supplement are constituted is properly termed as standard curring die
Block.The scanning of progressively or column by column is carried out, to the pixel in standard crimp module each of to determine corresponding to virtual ontology
The position of pixel, and the quantity of all pixels corresponding to virtual ontology.Similarly, each virtual pixel can also be determined
Position, and the quantity of whole virtual pixels.
Before the comparison for carrying out crimp module and standard crimp module, the matrix where crimp module can be carried out by
Capable or scanning by column, to determine institute corresponding to the position of each pixel and the ontology corresponding to above-mentioned ontology
There is the quantity of pixel.Similarly, the position of the pixel around each ontology and whole pixels around ontology can also be determined
Quantity.
When crimp module and standard crimp module compare, pixel corresponding to ontology and virtual ontology institute can be
The comparison of corresponding pixel and the comparison of pixel and virtual pixel around ontology, so that screen body to be measured can also be determined
Crimp whether there is defect pixel.
In one embodiment of the application, when executing step 330, if in crimp module one be not belonging to prestore it is curved
The pixel of side collection is in bright state, however corresponding pixel is but in non-bright state in standard crimp module, then can be true
The edge of the fixed screen body to be measured is irregular.
It is learnt after data statistics, using detection method provided by the present application, the edge of the viewing area of screen body to be measured is lacked
The recall rate for falling into pixel is more than or equal to 99%, and inspection rate and the omission factor excessively of the defect pixel at the edge of the viewing area of screen body to be measured are small
In being equal to 5%, it is better than existing testing result.It should be appreciated that in embodiments herein, the viewing area of screen physical examination survey to be measured
Edge can refer to the secondary edge of viewing area.That is, the edge in step 310 refers to time edge.
Described above is the detection methods of screen body showing edge according to an embodiment of the present application, describe below with reference to Fig. 8
The detection device of screen body showing edge according to an embodiment of the present application.
Fig. 8 is the schematic diagram according to the detection device of the screen body showing edge of the application one embodiment.
As shown in figure 8, the detection device of the screen body showing edge may include identification module 810, interception module 820 and right
Than module 830.Identification module 810 can be used for identifying the side of viewing area in the image of screen body to be measured according to the crimp collection prestored
The crimp 2 of edge.Interception module 820 can be used in the image of screen body to be measured, and the corresponding minimum matrix of interception crimp 2 obtains
Crimp module.Contrast module 830 can be used for comparing the crimp module of screen body to be measured and standard crimp module, with judgement
It whether there is defect pixel in the crimp 2 of screen body to be measured.
Embodiments herein is by by the crimp module and standard module at the edge of viewing area in the image of screen body to be measured
Directly compare, so that the aimed detection to the crimp 2 at the edge of viewing area is realized, and then improve the edge of viewing area
Detection accuracy.
The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application
Within mind and principle, made any modification, equivalent replacement etc. be should be included within the scope of protection of this application.
Claims (10)
1. a kind of detection method of screen body showing edge characterized by comprising
According to the crimp collection prestored, the crimp at the edge of viewing area in the image of screen body to be measured is identified；
In the image of the screen body to be measured, the corresponding minimum matrix of the crimp is intercepted, crimp module is obtained；
The crimp module of the screen body to be measured is compared with standard crimp module, to judge the institute of the screen body to be measured
Crimp is stated with the presence or absence of defect pixel.
2. the detection method of screen body showing edge according to claim 1, which is characterized in that in the identification screen body to be measured
Image in viewing area edge crimp before, further comprise:
Obtain the image of non-defective unit screen body, wherein whole pixels of the image of the non-defective unit screen body are arranged in arrays；
Successively judge whether each pixel meets the first preset condition in whole pixels of the image of the non-defective unit screen body；With
And
If the pixel of the image for the non-defective unit screen body being judged meets first preset condition, the institute being judged described in confirmation
The pixel for stating the image of non-defective unit screen body is located at the viewing area of the non-defective unit screen body.
3. the detection method of screen body showing edge according to claim 2, which is characterized in that be judged to described in the confirmation
The pixel of the image of the disconnected non-defective unit screen body is located at after the viewing area of the non-defective unit screen body, further comprises:
Whether the pixel of the image for the non-defective unit screen body being judged described in judgement is in the set of pixels of viewing area；And
If the pixel of the image of the non-defective unit screen body being judged is judged not in the viewing area set of pixels by described
The non-defective unit screen body image pixel record in the viewing area set of pixels.
4. the detection method of screen body showing edge according to claim 2 or 3, which is characterized in that described in the confirmation
The pixel of the image for the non-defective unit screen body being judged is located at after the viewing area of the non-defective unit screen body, further comprises:
Whether the adjacent peripheral pixel of the pixel of the image for the non-defective unit screen body being judged described in judgement meets the second default item
Part；And
If the adjacent peripheral pixel is not able to satisfy second preset condition, the non-defective unit screen body being judged described in confirmation
The pixel of image is located at the edge of the viewing area of the non-defective unit screen body.
5. the detection method of screen body showing edge according to claim 4, which is characterized in that be judged to described in the confirmation
The pixel of the image of the disconnected non-defective unit screen body is located at after the edge of the viewing area of the non-defective unit screen body, further comprises:
Whether the pixel of the image for the non-defective unit screen body being judged described in judgement is in edge pixel collection；And
If the pixel of the image of the non-defective unit screen body being judged not in the edge pixel collection, is judged described
The pixel record of the image of the non-defective unit screen body is in the edge pixel collection.
6. the detection method of screen body showing edge according to claim 5, which is characterized in that the acquisition non-defective unit screen body
Image has been performed repeatedly, and the edge pixel collects the institute for having recorded the edge of the viewing area of image of multiple non-defective unit screen bodies
There is pixel, the viewing area set of pixels has recorded all pixels of the viewing area of the image of the multiple non-defective unit screen body, into
One step includes:
Judge the pixel in the viewing area set of pixels whether in the edge pixel collection；And
If the pixel in the viewing area set of pixels, will be in the viewing area set of pixels not in the edge pixel collection
The pixel record is in non-edge pixels collection.
7. the detection method of screen body showing edge according to claim 6, which is characterized in that in the viewing area set of pixels
In after whether the last one pixel be judged in the edge pixel collection, further comprise:
Judge pixel that the non-edge pixels is concentrated whether be the pixel that the edge pixel is concentrated an adjacent peripheral picture
Element；And
If the pixel that the non-edge pixels is concentrated is an adjacent peripheral pixel of the pixel that the edge pixel is concentrated,
The pixel record that the non-edge pixels is concentrated is in secondary edge set of pixels.
8. the detection method of screen body showing edge according to claim 7, which is characterized in that further comprise:
According to positional relationship, all pixels in the secondary edge set of pixels are divided into straight flange collection and the crimp collection.
9. the detection method of screen body showing edge according to claim 8, which is characterized in that further comprise:
In the image of the non-defective unit screen body, the corresponding minimum matrix of the crimp collection is intercepted, the standard crimp module is obtained.
10. a kind of detection device of screen body showing edge characterized by comprising
Identification module, for identifying the crimp at the edge of viewing area in the image of screen body to be measured according to the crimp collection prestored；
Interception module obtains curring die in the image of the screen body to be measured, intercepting the corresponding minimum matrix of the crimp
Block；
Contrast module, for comparing the crimp module of the screen body to be measured with standard crimp module, to judge
The crimp of screen body to be measured is stated with the presence or absence of defect pixel.
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