CN107154057A - Independent positioning method and device - Google Patents

Independent positioning method and device Download PDF

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Publication number
CN107154057A
CN107154057A CN201710289476.5A CN201710289476A CN107154057A CN 107154057 A CN107154057 A CN 107154057A CN 201710289476 A CN201710289476 A CN 201710289476A CN 107154057 A CN107154057 A CN 107154057A
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lamp
point
length
connected domain
ranks number
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CN107154057B (en
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王雨
赵星梅
杨城
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Xian Novastar Electronic Technology Co Ltd
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Xian Novastar Electronic Technology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/11—Region-based segmentation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras
    • G06T7/77—Determining position or orientation of objects or cameras using statistical methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/90—Determination of colour characteristics
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • 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
    • G06T2207/10024—Color image
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0626—Adjustment of display parameters for control of overall brightness

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Computer Hardware Design (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Evolutionary Biology (AREA)
  • Probability & Statistics with Applications (AREA)
  • Image Processing (AREA)

Abstract

The embodiment of the invention discloses a kind of independent positioning method and device.This method comprises the following steps：According to view data is read, by view data binaryzation；Lamp dot center point is extracted according to the view data connected domain after binaryzation；Diffusion step-length is calculated according to lamp dot center point；Lamp point ranks number are obtained using diffusion method according to diffusion step-length.The embodiment of the present invention effectively can carry out point location to conventional screen body and special-shaped screen, can especially solve the problem of special-shaped screen is difficult to point location.

Description

Independent positioning method and device
Technical field
The present invention relates to display control and technical field of image processing, more particularly to a kind of independent positioning method and a kind of point Positioner.
Background technology
Since 21 century, display industry developed on an unprecedented scale, LED display also spread all over all cities central plaza, Commercial mansion.LED display with its it is distinctive bright in luster, visual high, low in energy consumption the advantages of enjoy people's favorable comment, but by It is more low in domestic LED display manufacturing technology level so that the LED lamp tube produced itself has larger bright chroma Difference (such as same production batch LED, its brightness may differ by nearly 50%, and colourity may differ by 15~20nm), and it is multiple not The display screen spliced with production batch LED, its bright chroma difference is just more serious.These bright chroma differences are come for human eye vision Say it is intolerable, so LED display that is new production or using year in year out needs to carry out effective bright chroma regulation.
In correction, it is necessary to be positioned to wherein each lamp point when gathering suitable view data, so as to extract every The corresponding light tone angle value of individual lamp point.Traditional independent positioning method, is that, with certain step-length, the direction that a line a row or column one is arranged is entered Row point location.Shield for LED abnormity, traditional targeting scheme can not successfully realize point location.
The content of the invention
Embodiments of the invention provide a kind of independent positioning method and a kind of location device, realize especially different to display screen The technique effect of shape screen success point location.
On the one hand there is provided a kind of independent positioning method, including：Read view data；By described image data binaryzation；Root Lamp dot center point is extracted according to the connected domain of described image data after binaryzation；Diffusion step-length is calculated according to the lamp dot center point； And diffusion method acquisition lamp point ranks number are utilized according to the diffusion step-length.
In one embodiment of the invention, described image data binaryzation is included：Extract the face of described image data Color principal component；And by the color principal component binaryzation.
In one embodiment of the invention, lamp dot center point is extracted according to the connected domain of described image data after binaryzation Including：Connected domain described in Digital Calibration；And the connected domain central point is counted, form the lamp dot center point.
In one embodiment of the invention, before diffusion step-length is calculated according to the lamp dot center point, the point is determined Position method also includes：The area of the connected domain is counted, the area is more than first threshold and the area is less than the second threshold The connected domain of value is removed.
In one embodiment of the invention, calculating diffusion step-length according to the lamp dot center point includes：According to the lamp Dot center's point determines initial point；And the diffusion step-length is formed according to initial point calculating row step-length and row step-length.
In one embodiment of the invention, obtaining lamp point ranks number using diffusion method according to the diffusion step-length includes： Travel through the unknown connected domain central point of lamp point ranks number；According to the diffusion step-length compare ranks number it is unknown with ranks number known to The pixel distance of the connected domain central point；And the lamp point ranks number are determined according to comparison result.
In one embodiment of the invention, according to the diffusion step-length using diffusion method obtain lamp point ranks number it Afterwards, the independent positioning method also includes：Correct the lamp point ranks number；Pass through the lamp dot center point, the revised lamp Described image data after point ranks number and binaryzation determine the wide high and dead lamp number of the lamp point；And record the lamp Dot center's point, the revised lamp point ranks number, the high and dead lamp number of width of lamp point.
Another further aspect there is provided a kind of location device, including：Read module is used to read view data；Binaryzation mould Block is used for described image data binaryzation；Extraction module is used to extract lamp according to the connected domain of described image data after binaryzation Dot center's point；Computing module is used to calculate diffusion step-length according to the lamp dot center point；And acquisition module is used for according to described Spread step-length and obtain lamp point ranks number using diffusion method.
In one embodiment of the invention, the binarization block includes：Extraction unit, for extracting described image number According to color principal component；And binarization unit, for by the color principal component binaryzation.
In one embodiment of the invention, the extraction module includes：Unit is demarcated, for being connected described in Digital Calibration Domain；And statistic unit, for counting the connected domain central point, form the lamp dot center.
In one embodiment of the invention, the location device also includes：Abnormity point removes module, for counting The area of connected domain is stated, the area is more than first threshold and the area is less than the connected domain removal of Second Threshold.
In one embodiment of the invention, the computing module includes：First computing unit, for according to the lamp point Central point determines initial point；And second computing unit, for calculating row step-length and row step-length according to the initial point, form institute State diffusion step-length.
In one embodiment of the invention, the acquisition module includes：Traversal Unit, for traveling through lamp point ranks number not The connected domain central point known；Comparing unit, for according to the diffusion step-length compare ranks number it is unknown with ranks number known to institute State the pixel distance of connected domain central point；And determining unit, for determining the lamp point ranks number according to comparison result.
In one embodiment of the invention, the location device also includes：Logging modle, the logging modle bag Include：Amending unit, for correcting the lamp point ranks number；Computing unit, for passing through the lamp dot center point, revised institute State the wide high and dead lamp number that the described image data after lamp point ranks number and binaryzation determine the lamp point；And record Member, the high and dead lamp number of width for recording the lamp dot center point, lamp point ranks number, lamp point.
One technical scheme of above-mentioned technical proposal has the following advantages that or beneficial effect：The present invention can be effectively right Routinely screen body and special-shaped screen carry out point location to LED, can especially solve the problem of special-shaped screen is difficult to point location.
Another technical scheme of above-mentioned technical proposal has the following advantages that or beneficial effect：Carried using the embodiment of the present invention The location device of confession, effectively can routinely shield body to LED and special-shaped screen carries out point location, can especially solve abnormal shape screen and be difficult to The problem of point location.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, being used required in being described below to embodiment Accompanying drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for this For the those of ordinary skill of field, on the premise of not paying creative work, it can also obtain other according to these accompanying drawings Accompanying drawing.
A kind of schematic diagram for independent positioning method that Fig. 1 provides for first embodiment of the invention；
A kind of flow chart for independent positioning method that Fig. 2 provides for second embodiment of the invention；
Image schematic diagram after a kind of demarcation connected domain that Fig. 3 provides for second embodiment of the invention；
A kind of schematic diagram for location device that Fig. 4 provides for third embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
First embodiment
As shown in figure 1, Fig. 1 is a kind of schematic diagram of independent positioning method provided in an embodiment of the present invention, this method is included such as Lower step：
Step 1, reading view data；
Step 2, by described image data binaryzation；
Step 3, the connected domain extraction lamp dot center point according to described image data after binaryzation；
Step 4, according to the lamp dot center point calculate diffusion step-length；
Step 5, according to it is described diffusion step-length using diffusion method obtain lamp point ranks number.
For ease of being more clearly understood that the present embodiment, abovementioned steps 1- steps 5 are carried out in detail especially exemplified by specific example below Description.
Wherein, for step 2, it can include：
The color principal component of described image data is extracted, by the color principal component binaryzation.
Wherein, for step 3, it can include：
Connected domain described in Digital Calibration, counts the connected domain central point and forms the lamp dot center.
Further, before step 4, it can also include：
The area of the connected domain is counted, the area is more than first threshold and the area is less than the institute of Second Threshold State connected domain removal.
Wherein, for step 4, it can include：
A1 initial point), is determined according to the lamp dot center point；
A2 row step-length), is calculated according to the initial point and row step-length forms the diffusion step-length.
Wherein, for step 5, it can include：
B1), the unknown connected domain central point of traversal lamp point ranks number；
B2), according to the diffusion step-length compare ranks number it is unknown with ranks number known to the connected domain central point picture Plain distance；
B3 the lamp point ranks number), are determined according to comparison result.
Further, after step 5, it can also include：
C1 the lamp point ranks number), are corrected；
C2 the described image number after the lamp dot center point, the revised lamp point ranks number and binaryzation), is passed through According to the wide high and dead lamp number for determining the lamp point；
C3 the lamp dot center point, the revised lamp point ranks number, the high and described dead lamp number of the width), are recorded.
The present invention can effectively to LED, routinely screen body and special-shaped screen carry out point location, can especially solve special-shaped screen and be difficult to The problem of point location.
Second embodiment
Fig. 2 is refer to, Fig. 2 is a kind of flow chart of independent positioning method provided in an embodiment of the present invention, as shown in Fig. 2 should Device includes：
The flow includes：
1) it is loaded into view data
Read view data.If view data is now Bayer interpolation, wherein Bayer interpolation is prior art, this Invention is repeated no more, it is necessary to be converted into both full-pixel.
2) binaryzation
The principal component of view data current color is extracted, then makes its binaryzation.
Comprise the following steps that：
View data is divided into wide high 50*50 block, the pixel maximum of each video data block is extracted, with its 0.1 Again as threshold value, binaryzation is carried out to the pixel inside video data block.If the maximum of the video data block is too small, i.e., most Big maximum average of the value less than 0.3 times, then without binaryzation, make it be all 0.
Preferably, maximum average can be averagely worth to by solving the maximum of all 50*50 video data blocks.
3) connected domain is demarcated
If pixel is 8-, to connect domain adjacent, in same connected domain, each connected domain with an independent Digital Calibration, Statistics obtains the central point of each connected domain, as LED lamp dot center point.
As shown in figure 3, Fig. 3 is a kind of schematic diagram of location device provided in an embodiment of the present invention after connected domain demarcation.
4) rejecting abnormalities point
The area of each connected domain is counted, area is more than first threshold and area is less than the corresponding connected domain of Second Threshold Reject；First threshold is 2 times of connected domain area averages, and Second Threshold is 0.5 times of connected domain area average
5) initial point
A connected domain center can be randomly choosed as initial point, also be may be selected from the upper left corner, the upper right corner, the lower left corner, the right side The nearest connected domain center of inferior horn is used as initial point.
6) step-length is spread
The point nearest apart from initial point is found, if its pixel pitch is from a distance from more than pixel column, step-length between the two For row step-length；If its pixel column distance is more than pixel pitch from the step-length between both is row step-length.
7) spread
The unknown connected domain central point of searching loop LED point ranks number, if itself and known LED point ranks number (M rows, N Row) connected domain central point pixel distance its corresponding LED point ranks number can be drawn in threshold range, then.
If pixel distance in 0.7 to 1.3 times of centres of diffusion row step-length and its pixel pitch from a distance from more than pixel column, if Its pixel column coordinate is less than the pixel column coordinate of known central point, then its LED point line number is M-1, and row number is N；If its pixel Row coordinate is more than the pixel column coordinate of known central point, then its LED point line number is M+1, and row number is N.
If pixel distance diffusion row step-length 0.7 to 1.3 times of centres and its pixel column distance be more than pixel pitch from, if Its pixel column coordinate is less than the pixel column coordinate of known central point, then its LED point line number is M, and row number is N-1；If its pixel Row coordinate is more than the pixel column coordinate of known central point, then its LED point line number is M, and row number is N+1.
8) correct
Because initial point is not necessarily the angle point positioned at the upper left corner of casing, so the lamp point ranks number obtained after diffusion There may be negative value.Therefore, the ranks number of lamp point are corrected, it is 0 to be allowed to minimum line number, and minimum row number is 0, and maximum line number is known LED point line number -1, maximum row number is LED point columns -1.
9) measuring point positioning result
The high and dead lamp of the width of lamp point is determined by the view data after lamp dot center point, lamp point ranks number and binaryzation Number；
Recording lamp dot center point, lamp point ranks number, wide high and dead lamp number.
The method provided using the present embodiment can effectively to LED, routinely screen body and special-shaped screen carry out point location, solve The problem of abnormal shape screen is difficult to point location.
Second embodiment
Fig. 4 is refer to, Fig. 4 is a kind of schematic diagram of location device provided in an embodiment of the present invention, as shown in figure 4, should Location device includes：
Read module 301, binarization block 302, extraction module 303, computing module 305, acquisition module 306.
Read module 301 is used to read view data；
Binarization block 302 is used for described image data binaryzation；
Extraction module 303 is used to extract lamp dot center point according to the view data connected domain after binaryzation；
Computing module 305 is used to calculate diffusion step-length according to lamp dot center point；
Acquisition module 306 is used to obtain lamp point ranks number using diffusion method according to diffusion step-length.
Wherein, binarization block 302 is for example including extraction unit 3001 and binarization unit 3002, and extraction unit 3001 is used In the color principal component for extracting described image data；Binarization unit 3002 is used for the color principal component binaryzation.
Wherein, extraction module 303 is for example including demarcation unit 3003 and statistic unit 3004, wherein, demarcate unit 3003 For connected domain described in Digital Calibration；Statistic unit 3004 is used to count connected domain central point formation lamp dot center.
Further, in addition to abnormity point removes module 304, area is more than by the area for counting the connected domain The connected domain that first threshold and area are less than Second Threshold is removed.
Wherein, computing module 305 is for example including the first computing unit 3005 and the second computing unit 3006, wherein, first Computing unit 3005 is used to determine initial point according to the lamp dot center point；Second computing unit 3006 is based on according to initial point Row step-length and row step-length are calculated, diffusion step-length is formed.
Wherein, acquisition module 306 is for example including Traversal Unit 3007, comparing unit 3008 and determining unit 3009, wherein Traversal Unit 3007 is used to travel through the unknown connected domain central point of lamp point ranks number；Comparing unit 3008 is used for according to diffusion step-length Compare the unknown pixel distance with connected domain central point known to ranks number of ranks number；And determining unit 3009 be used for according to than Lamp point ranks number are determined to result.
Further, in addition to logging modle 307, the logging modle 307 is for example including amending unit 3010, computing unit 3011 and recording unit 3012；Wherein, amending unit 3010 is used to correct the lamp point ranks number；Computing unit 3011 is used to lead to The described image data crossed after the lamp dot center point, the revised lamp point ranks number and binaryzation determine the lamp point Wide high and dead lamp number；Recording unit 3012 is used to record the lamp dot center point, lamp point ranks number, lamp point Wide high and dead lamp number.
The device provided using the present embodiment can effectively to LED, routinely screen body and special-shaped screen carry out point location, especially The problem of special-shaped screen is difficult to point location can be solved.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with Realize by another way.For example, device embodiment described above is only schematical, for example, the division of unit, It is only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multichannel unit or component can be with With reference to or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or discussed Coupling each other or direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING of device or unit or Communication connection, can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multichannel On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs 's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list Member can both be realized in the form of hardware, it would however also be possible to employ hardware adds the form of SFU software functional unit to realize.
The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in an embodied on computer readable and deposit In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are to cause a computer Equipment (can be personal computer, server, or network equipment etc.) performs the portion of each embodiment methods described of the invention Step by step.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc. are various to store The medium of program code.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic； And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and Scope.

Claims (14)

1. a kind of independent positioning method, it is characterised in that including：
Read view data；
By described image data binaryzation；
Lamp dot center point is extracted according to the connected domain of described image data after binaryzation；
Diffusion step-length is calculated according to the lamp dot center point；
Lamp point ranks number are obtained using diffusion method according to the diffusion step-length.
2. according to the method described in claim 1, it is characterised in that described to include described image data binaryzation：
Extract the color principal component of described image data；
By the color principal component binaryzation.
3. method according to claim 1 or 2, it is characterised in that the company according to described image data after binaryzation Lamp dot center point is extracted in logical domain to be included：
Connected domain described in Digital Calibration；
The connected domain central point is counted, the lamp dot center point is formed.
4. method according to claim 3, it is characterised in that spread step-length in described calculated according to the lamp dot center point Before, methods described also includes：
The area of the connected domain is counted, the area is more than first threshold and the area is less than the company of Second Threshold Logical domain is removed.
5. according to the method described in claim 1, it is characterised in that described that diffusion step-length bag is calculated according to the lamp dot center point Include：
Initial point is determined according to the lamp dot center point；
Row step-length is calculated according to the initial point and row step-length forms the diffusion step-length.
6. according to the method described in claim 1, it is characterised in that described that lamp is obtained using diffusion method according to the diffusion step-length Point ranks number include：
Travel through the unknown connected domain central point of lamp point ranks number；
According to the diffusion step-length compare ranks number it is unknown with ranks number known to the connected domain central point pixel distance；
The lamp point ranks number are determined according to comparison result.
7. according to the method described in claim 1, it is characterised in that obtained described according to the diffusion step-length using diffusion method After lamp point ranks number, methods described also includes：
Correct the lamp point ranks number；
Institute is determined by the described image data after the lamp dot center point, the revised lamp point ranks number and binaryzation State the wide high and dead lamp number of lamp point；
Record the high and dead lamp number of width of the lamp dot center point, the revised lamp point ranks number, lamp point.
8. a kind of location device, it is characterised in that including：
Read module, for reading view data；
Binarization block, for by described image data binaryzation；
Extraction module, for extracting lamp dot center point according to the connected domain of described image data after binaryzation；
Computing module, for calculating diffusion step-length according to the lamp dot center point；
Acquisition module, for obtaining lamp point ranks number using diffusion method according to the diffusion step-length.
9. device according to claim 8, it is characterised in that the binarization block includes：
Extraction unit, the color principal component for extracting described image data；
Binarization unit, for by the color principal component binaryzation.
10. device according to claim 8 or claim 9, it is characterised in that the extraction module includes：
Unit is demarcated, for connected domain described in Digital Calibration；
Statistic unit, for counting the connected domain central point, forms the lamp dot center.
11. device according to claim 10, it is characterised in that also include：
Abnormity point removes module, and the area is more than first threshold and the area by the area for counting the connected domain The connected domain less than Second Threshold is removed.
12. device according to claim 8, it is characterised in that the computing module includes：
First computing unit, for determining initial point according to the lamp dot center point；
Second computing unit, for calculating row step-length and row step-length according to the initial point, forms the diffusion step-length.
13. device according to claim 8, it is characterised in that the acquisition module includes：
Traversal Unit, the connected domain central point unknown for traveling through lamp point ranks number；
Comparing unit, for according to the diffusion step-length compare ranks number it is unknown with ranks number known to the connected domain central point Pixel distance；
Determining unit, for determining the lamp point ranks number according to comparison result.
14. device according to claim 8, it is characterised in that also include：Logging modle, the logging modle includes：
Amending unit, for correcting the lamp point ranks number；
Computing unit, for by described in after the lamp dot center point, the revised lamp point ranks number and binaryzation View data determines the wide high and dead lamp number of the lamp point；
Recording unit, the high and dead lamp number of width for recording the lamp dot center point, lamp point ranks number, lamp point.
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CN107742497A (en) * 2017-10-31 2018-02-27 昆山国显光电有限公司 The pixel cell driving method and drive device of special-shaped display screen
CN112581536A (en) * 2019-09-30 2021-03-30 华中科技大学 OLED mobile phone screen pixel positioning method based on region growing
CN112785545A (en) * 2019-11-06 2021-05-11 杭州海康威视数字技术股份有限公司 Abnormal lamp bead positioning method and device and storage medium
CN113257182A (en) * 2021-06-29 2021-08-13 卡莱特云科技股份有限公司 Lamp point position correction method and device in LED display screen correction process

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CN107742497A (en) * 2017-10-31 2018-02-27 昆山国显光电有限公司 The pixel cell driving method and drive device of special-shaped display screen
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CN107742497B (en) * 2017-10-31 2019-08-27 昆山国显光电有限公司 The pixel unit driving method and driving device of special-shaped display screen
CN112581536A (en) * 2019-09-30 2021-03-30 华中科技大学 OLED mobile phone screen pixel positioning method based on region growing
CN112581536B (en) * 2019-09-30 2022-06-17 华中科技大学 OLED mobile phone screen pixel positioning method based on region growing
CN112785545A (en) * 2019-11-06 2021-05-11 杭州海康威视数字技术股份有限公司 Abnormal lamp bead positioning method and device and storage medium
CN113257182A (en) * 2021-06-29 2021-08-13 卡莱特云科技股份有限公司 Lamp point position correction method and device in LED display screen correction process
CN113257182B (en) * 2021-06-29 2021-09-17 卡莱特云科技股份有限公司 Lamp point position correction method and device in LED display screen correction process

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