CN109345607A - A kind of automatic label EPC picture approach - Google Patents
A kind of automatic label EPC picture approach Download PDFInfo
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- CN109345607A CN109345607A CN201811181643.5A CN201811181643A CN109345607A CN 109345607 A CN109345607 A CN 109345607A CN 201811181643 A CN201811181643 A CN 201811181643A CN 109345607 A CN109345607 A CN 109345607A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
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- 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
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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
- G06T2207/10024—Color image
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Abstract
The invention discloses a kind of automatic label EPC picture approach, this method includes following processing step: step 1: exporting unmarked EPC 2 d plane picture, then establish a grid chart identical with EPC 2 d plane picture size and carry out with EPC 2 d plane picture grid chart be overlapped；Step 2: by the corresponding grid of spare and accessory parts figure in EPC 2 d plane picture and being used for the grid of OE labelled notation on grid chart and encode respectively, so that each grid protocol is provided with the coordinate points of different value；Step 3: selecting the coordinate points at spare and accessory parts position edge and the coordinate points for marking the corresponding position OE edge respectively, then connection forms index line.It is able to solve index line and spare and accessory parts contour convergence problem through the invention, improves the efficiency of production EPC 2 d plane picture.
Description
Technical field
The present invention relates to picture process fields, more particularly to a kind of automatic label EPC picture approach.
Background technique
EPC is the abbreviation of electronic parts catalog (electronic components catalogue), refers to each money of each vehicle factor
Automobile component, No. OE of spare and accessory parts, the catalogue of information or order.Automobile parts electronic directory be automotive supplier for convenience
The software that the data such as all vehicles of oneself production, automobile parts information are checked and are weaved into, can be convenient by software
Ground browses installation diagram, exploded view, the part drawing of whole all components of car, easily searches components.
Traditional automobile EPC figure is by 3D engineering design software design, and engineer can mark in 3D engineering design software
No. OE of corresponding spare and accessory parts.But the index line of 3D engineering design software is often Chong Die with the formation of spare and accessory parts profile itself, thus
The user of EPC 2 d plane picture is interfered, many derived EPC 2 d plane pictures also need the later period to pass through image procossing
Software modifies index line and label again.
Summary of the invention
It is an object of the present invention to provide a kind of automatic label EPC picture approach, are able to solve index line and spare and accessory parts profile
COINCIDENCE PROBLEMS improves the efficiency of production EPC 2 d plane picture.
To realize the purpose, a kind of automatic label EPC picture approach is provided, this method includes following processing step:
Step 1: export unmarked EPC 2 d plane picture, then establish one it is identical with EPC 2 d plane picture size
Grid chart and grid chart is carried out with EPC 2 d plane picture be overlapped；
Step 2: by the corresponding grid of spare and accessory parts figure in EPC 2 d plane picture and being used for OE labelled notation on grid chart
Grid is encoded respectively, so that each grid protocol is provided with the coordinate points of different value；
Step 3: selecting the coordinate points at spare and accessory parts position edge and the coordinate for marking the corresponding position OE edge respectively
Point, then connection forms index line.
Preferably, in step 1 step 2, the grid chart is made of 3x3 pixel small grid, with each in grid chart
The coordinate of the 1x1 pixel grid of small grid center be coordinate points formed coordinate point set Q=(3m+2,3n+2) | m=0,1,
2...N；N=0,1,2...N }.
Preferably, in step 2, identification coding is carried out to each small grid by image recognition.
Preferably, described image identification processing procedure be by traversal coordinate point set Q=(3m+2,3n+2) | m=0,1,
2...N；N=0,1,2...N }, each coordinate points q ∈ O is identified, if R < 255 in the rgb value of coordinate points q, G < 255,
B < 255, then the value that coordinate points q is arranged is 1, is otherwise provided as 0.
Preferably, in step 3, selecting the value at spare and accessory parts position edge for 1 coordinate points is spare and accessory parts coordinate A
(x1, y1), select the value at OE labelled notation position edge for 0 coordinate points be label coordinate B (x2, y2)
Preferably, also the rgb value of spare and accessory parts coordinate A (x1, y1) is sentenced when determining spare and accessory parts coordinate A (x1, y1)
It is disconnected, if R < 255 in the rgb value of spare and accessory parts coordinate A (x1, y1), G < 255, B < 255, then choose the point and return to coordinate into
Row determines, conversely, then abandoning the point and prompting not select spare and accessory parts.
Preferably, it is determining spare and accessory parts coordinate A (x1, y1) and coordinate B (x2, y2) is marked to judge that the index line to be formed is afterwards
Horizontal index line still erects index line；Deterministic process is comparison | x1-x2 | with | y1-y2 | size, if | x1-x2 | > | y1-y2 |,
It is then lateral index line；If | x1-x2 |≤| y1-y2 |, for vertical index line.
Preferably, in step 3, the forming process of horizontal index line is by drawing from spare and accessory parts coordinate A (x1, y1) to x-axis
Vertical line and from label coordinate B (x2, y2) to y-axis draw vertical extension line formed the first intersection point D, obtain the first intersection point D coordinate (x1,
Y2), then the vertical extension line that a line and label coordinate B (x2, y2) draw to y-axis is drawn from spare and accessory parts coordinate A (x1, y1) to hand over
In the second intersection point C point, so that forming the angle of set angle between AC and AD, connection ACB obtains horizontal index line.
Preferably, in step 3, the forming process of vertical index line is by from spare and accessory parts coordinate A (x1, y1) to y-axis
Draw vertical line and draw vertical extension line to x-axis from label coordinate B (x2, y2) and form third intersection point E, obtains third intersection point E coordinate
(x2, y1) then draws the vertical extension that a line and label coordinate B (x2, y2) draw to x-axis from spare and accessory parts coordinate A (x1, y1)
Line meets at the 4th F point, so that forming the angle of set angle between AE and AF, connection AFB obtains vertical index line.
Compared with prior art, the present invention the beneficial effect is that:
Coordinate is established by grid in the present invention and forms index line, index line is able to solve and is asked with spare and accessory parts contour convergence
Topic improves the efficiency of production EPC 2 d plane picture.Can effectively improve through the invention EPC 2 d plane picture clarity and
Resolution, to improve product quality.Make through the invention it is subsequent can be by a series of relevant coordinates transformation methods, from mark
Infusing line end coordinates is worth for interactive hot-zone apex coordinate, is that EPC 2 d plane picture automatic marking can interaction area side
Case provides strong subfoundation support.
Detailed description of the invention
Fig. 1 is grid figure structure schematic representation of the invention；
Fig. 2 is the process schematic of step 2 in the present invention；
Fig. 3 is that horizontal index line forms schematic diagram in the present invention；
Fig. 4 is spare and accessory parts coordinate A in the present invention and the determination of label coordinate and removes grid schematic diagram；
Fig. 5 is flow diagram of the invention.
Specific embodiment
Below with reference to embodiment, the invention will be further described, but does not constitute any limitation of the invention, any
In the modification for the limited times that scope of the invention as claimed is made, still in scope of the presently claimed invention.
As Figure 1-Figure 5, the present invention provides a kind of automatic label EPC picture approach, this method includes following processing
Step:
Step 1: export unmarked EPC 2 d plane picture, then establish one it is identical with EPC 2 d plane picture size
Grid chart and grid chart is carried out with EPC 2 d plane picture be overlapped；
Step 2: by the corresponding grid of spare and accessory parts figure in EPC 2 d plane picture and being used for OE labelled notation on grid chart
Grid is encoded respectively, so that each grid protocol is provided with the coordinate points of different value；
Step 3: selecting the coordinate points at spare and accessory parts position edge and the coordinate for marking the corresponding position OE edge respectively
Point, then connection forms index line.After each part forms index line and OE labelled notation in EPC 2 d plane picture, grid is removed
Scheme and obtain the EPC 2 d plane picture of tape label.
In step 1 step 2, grid chart is made of 3x3 pixel small grid, with each small grid center in grid chart
The coordinate of 1x1 pixel grid be coordinate points formed coordinate point set Q=(3m+2,3n+2) | m=0,1,2...N；N=0,1,
2...N}。
In step 2, identification coding is carried out to each small grid by image recognition.Image recognition processing process be by time
Go through coordinate point set Q=(3m+2,3n+2) | m=0,1,2...N；N=0,1,2...N }, each coordinate points q ∈ O is known
Not, if R < 255, G < 255, B < 255 in the rgb value of coordinate points q, then the value that coordinate points q is arranged is 1, is otherwise provided as 0.
In step 2, identification coding is carried out to each small grid by image recognition.Image recognition processing process be by time
Go through coordinate point set Q=(3m+2,3n+2) | m=0,1,2...N；N=0,1,2...N }, each coordinate points q ∈ O is known
Not, if R < 255, G < 255, B < 255 in the rgb value of coordinate points q.The value that coordinate points q is so arranged is 1, is otherwise provided as 0.
Operation code:
In the present embodiment, export unmarked EPC 2 d plane picture in 3D engineering design software, spare and accessory parts position and
The corresponding position OE is marked to click selection by artificial mouse.Rgb value, that is, color value, RGB are a kind of color standards of industry,
RGB is the color for representing three channels of red, green, blue, this standard almost includes all face that human eyesight can perceive
Color is current with most wide one of color system.
In step 3, selecting the value at spare and accessory parts position edge for 1 coordinate points is spare and accessory parts coordinate A (x1, y1),
Select the value at OE labelled notation position edge for 0 coordinate points be label coordinate B (x2, y2), wherein spare and accessory parts coordinate A (x1, y1)
For the most marginal coordinate points in spare and accessory parts position, so that index line will not be with spare and accessory parts contour convergence.Determining that zero matches
Also the rgb value of spare and accessory parts coordinate A (x1, y1) is judged when part coordinate A (x1, y1), if spare and accessory parts coordinate A (x1, y1)
R < 255 in rgb value, G < 255, B < 255 are then chosen the point and are returned and are determined to coordinate, conversely, then abandon the point and
Prompt does not select spare and accessory parts, so that operation is accurate, it is ensured that clarity and resolution.Operation code:
It is determining spare and accessory parts coordinate A (x1, y1) and coordinate B (x2, y2) is marked to judge the index line to be formed as horizontal instruction afterwards
Line still erects index line；Deterministic process is comparison | x1-x2 | with | y1-y2 | size, if | x1-x2 | > | y1-y2 |, for cross
To index line；If | x1-x2 |≤| y1-y2 |, for vertical index line.
In step 3, the forming process of horizontal index line be by from spare and accessory parts coordinate A (x1, y1) to x-axis draw vertical line and from
Label coordinate B (x2, y2) draws vertical extension line to y-axis and forms the first intersection point D, obtains the first intersection point D coordinate (x1, y2), then
The vertical extension line that a line and label coordinate B (x2, y2) draw to y-axis, which is drawn, from spare and accessory parts coordinate A (x1, y1) meets at the second friendship
Point C point, so that forming the angle of 45 degree of setting between AC and AD, connection ACB obtains horizontal index line.In the present embodiment, vertically
The processing mode of index line is similar to the processing mode of horizontal index line, and the forming process of vertical index line is by sitting from spare and accessory parts
Mark A (x1, y1) draws vertical line and draw vertical extension line to x-axis from label coordinate B (x2, y2) to y-axis forms third intersection point E, obtains
Third intersection point E coordinate (x2, y1) then draws a line and label coordinate B (x2, y2) to x from spare and accessory parts coordinate A (x1, y1)
The vertical extension line that axis draws meets at the 4th F point, so that forming the angle of 45 degree of setting between AE and AF, connection AFB obtains vertical
Index line.In addition, angle, which can also be, is set to 30 degree or 40 degree or 50 degree or 60 degree.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, is not taking off
Under the premise of from structure of the invention, several modifications and improvements can also be made, these all will not influence the effect that the present invention is implemented
And patent practicability.
Claims (9)
1. a kind of automatic label EPC picture approach, which is characterized in that this method includes following processing step:
Step 1: exporting unmarked EPC 2 d plane picture, then establish a grid identical with EPC 2 d plane picture size
Scheme and carries out grid chart with EPC 2 d plane picture be overlapped；
Step 2: by the corresponding grid of spare and accessory parts figure in EPC 2 d plane picture and being used for the grid of OE labelled notation on grid chart
It is encoded respectively, so that each grid protocol is provided with the coordinate points of different value；
Step 3: selecting the coordinate points at spare and accessory parts position edge and the coordinate points for marking the corresponding position OE edge respectively, then
Connection forms index line.
2. a kind of automatic label EPC picture approach according to claim 1, which is characterized in that in step 1 step 2, institute
It states grid chart to be made of 3x3 pixel small grid, the coordinate of the 1x1 pixel grid hit exactly in grid chart with each small grid is to sit
One coordinate point set Q=of punctuate formation (3m+2,3n+2) | m=0,1,2...N；N=0,1,2...N }.
3. a kind of automatic label EPC picture approach according to claim 2, which is characterized in that in step 2, pass through figure
As identification carries out identification coding to each small grid.
4. a kind of automatic label EPC picture approach according to claim 3, which is characterized in that described image identifying processing
Process be by traversal coordinate point set Q=(3m+2,3n+2) | m=0,1,2...N；N=0,1,2...N }, to each coordinate
Point q ∈ O is identified, if R < 255 in the rgb value of coordinate points q, G < 255, B < 255, then the value that coordinate points q is arranged is 1, no
Then it is set as 0.
5. a kind of automatic label EPC picture approach according to claim 1 or 4, which is characterized in that in step 3, selection
The coordinate points that the value at spare and accessory parts position edge is 1 are spare and accessory parts coordinate A (x1, y1), select OE labelled notation position edge
The coordinate points that value is 0 are label coordinate B (x2, y2).
6. a kind of automatic label EPC picture approach according to claim 5, which is characterized in that determining spare and accessory parts coordinate A
Also the rgb value of spare and accessory parts coordinate A (x1, y1) is judged when (x1, y1), if R in the rgb value of spare and accessory parts coordinate A (x1, y1)
< 255, G < 255, B < 255 are then chosen the point and are returned and are determined to coordinate, conversely, then abandoning the point and prompting not having
Spare and accessory parts are selected.
7. a kind of automatic label EPC picture approach according to claim 5, which is characterized in that determining spare and accessory parts coordinate A
(x1, y1) and label coordinate B (x2, y2) judge that the index line to be formed still erects index line as horizontal index line afterwards；Deterministic process is
Comparison | x1-x2 | with | y1-y2 | size, if | x1-x2 | > | y1-y2 |, for lateral index line；If | x1-x2 |≤| y1-
Y2 |, then it is vertical index line.
8. a kind of automatic label EPC picture approach according to claim 7, which is characterized in that in step 3, horizontal instruction
The forming process of line is by drawing vertical line from spare and accessory parts coordinate A (x1, y1) to x-axis and drawing from label coordinate B (x2, y2) to y-axis
Vertical extension line forms the first intersection point D, obtains the first intersection point D coordinate (x1, y2), then draws from spare and accessory parts coordinate A (x1, y1)
The vertical extension line that one line and label coordinate B (x2, y2) draw to y-axis meets at the second intersection point C point, sets so that being formed between AC and AD
Determine the angle of angle, connection ACB obtains horizontal index line.
9. a kind of automatic label EPC picture approach according to claim 7, which is characterized in that in step 3, vertically refer to
The forming process of timberline is by drawing vertical line from spare and accessory parts coordinate A (x1, y1) to y-axis and from label coordinate B (x2, y2) to x-axis
Draw vertical extension line and form third intersection point E, obtains third intersection point E coordinate (x2, y1), then draw from spare and accessory parts coordinate A (x1, y1)
The vertical extension line that a line and label coordinate B (x2, y2) draw to x-axis out meets at the 4th F point, so that forming setting between AE and AF
The angle of angle, connection AFB obtain vertical index line.
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| CN201811181643.5A CN109345607B (en) | 2018-10-11 | 2018-10-11 | Method for automatically marking EPC picture |
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