CN108943179A - A kind of optimal cutling method for arithmetic for lumber surface defects' - Google Patents
A kind of optimal cutling method for arithmetic for lumber surface defects' Download PDFInfo
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- CN108943179A CN108943179A CN201810961397.9A CN201810961397A CN108943179A CN 108943179 A CN108943179 A CN 108943179A CN 201810961397 A CN201810961397 A CN 201810961397A CN 108943179 A CN108943179 A CN 108943179A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C5/00—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
- B27C5/006—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor with non-rotating tools
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Abstract
The invention discloses a kind of optimal cutling methods for arithmetic for lumber surface defects'; specifically includes the following steps: S1, first rubber wood timber are cut, laterally and after vertical polishing by raw material by manually blind; it is cut into the wooden unit of 300mm one piece about long, width 80mm and thickness 25mm; these timber usually have black section, Bai Jie, pith, lack the defects of side, cracking, plagiocephaly, breakage; timber is cut according to the regularity of distribution of defect; timber is divided into four kinds: AA material, AB material, C material and waste material after cutting, is related to wood processing technique field.This is directed to the optimal cutling method of arithmetic for lumber surface defects', it can be achieved to use deep learning parser, complete the detection to the defect of wood surface, timber output can be made to reach maximum economic benefit, it has been greatly saved cost of labor, production efficiency is improved, the use value of timber is improved, overcomes the artificial problem for being easy to cause to judge by accident to cutting position and artificial setting-out efficiency is lower.
Description
Technical field
The present invention relates to wood processing technique field, specially a kind of optimal cutling method for arithmetic for lumber surface defects'.
Background technique
Rubber wood timber is cut, laterally and after vertical polishing by raw material by manually blind, and 300mm one piece about long is cut into, wide
80mm, the wooden unit of thickness 25mm, these timber usually have black section, Bai Jie, pith, lack the defects of side, cracking, plagiocephaly, breakage,
The presence of these defects will affect the beauty for the furniture that timber is made into, therefore need to cut timber according to the regularity of distribution of defect
It cuts, timber is divided into four kinds: AA material, AB material, C material, waste material after cutting.The timber length that wherein AA material, AB material, C expect all is greater than
100mm, the length of waste material are less than 100mm, and AA material refers to two faces all without defect, and AB material refers to that only one face is defective, and C material refers to
Two faces are all defective, and the economic value of AA material and AB material is higher, and C material wants more relatively cheap, and waste material is then to give up unused material,
The principle of cutting scheme is: going out more AA material and AB material as far as possible, while avoiding the generation of waste material, cutting method is people at present
Work observes the defect distribution of wooden unit upper and lower surface, draws straight line in timber cutting position with e-Pointer, is then cut by dedicated
Equipment is cut to identify the position of the straight line and cut.
The program has the disadvantage that 1 at present, is artificial to pursue speed of production, may generate erroneous judgement to cutting position,
The cutting scheme not being optimal reduces the volume recovery of timber；2, artificial to need to be thought deeply most according to the defect distribution in two faces
Excellent cutting position, and cutting line is drawn out with e-Pointer, the plenty of time can be consumed in this way, influences the output efficiency of timber；3,
Wood-working factory's environment where artificial has the undesirable elements such as high temperature, dust, damages health, and cost of labor is higher.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of optimal cutling method for arithmetic for lumber surface defects', solutions
It has determined artificial to pursue speed of production, erroneous judgement may be generated to cutting position, the cutting scheme not being optimal reduces
The volume recovery of timber can consume the plenty of time, influence the output efficiency of timber, damage staff's health, and manually at
This higher problem.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of for arithmetic for lumber surface defects'
Optimal cutling method, specifically includes the following steps:
S1, first rubber wood timber are cut, laterally and after vertical polishing by raw material by manually blind, are cut into one piece about long
The wooden unit of 300mm, width 80mm and thickness 25mm, these timber usually have black section, Bai Jie, pith, lack side, cracking, plagiocephaly, break
The defects of damage, cuts timber according to the regularity of distribution of defect, after cutting timber be divided into four kinds: AA material, AB material, C material and
Waste material；
S2, the image that two faces of timber are then acquired with high resolution industrial CCD, using convolutional neural networks algorithm to wood
The defect in two faces of material is detected, and center and the area of each defect are extracted；
S3, Blob analysis is carried out to defect, filters out the lesser defect of area, and find out the external square of minimum of each defect
Shape can be merged into one big rectangle to two rectangles and handle if two rectangles have overlapping region, or are separated by relatively closely；
S4, judge whether timber both ends defective or plagiocephaly, and if it exists, defect or plagiocephaly region are then cut off, although in this way
A part of waste material can be generated, but understands the more AA material of output or AB material simultaneously；
S5, after excluding plagiocephaly and both ends defect, intermediate defect distribution is analyzed, first by the defect in two faces of timber
It is mapped on a face, finds out the top defect on the face to the distance and bottom defect of timber top edge to timber lower edge
Distance；
S6, whether be greater than 100mm according to two distances in S5, cutting scheme be divided into three categories, the first: two away from
When from being all greater than 100mm, in the top, partial application is distinguished at the edge of defect and bottom defect, takes two AA material and one piece shorter
Waste material, second: only one distance about 100mm, for example the distance of the top defect to timber top edge is more than
100mm takes an AA material and an AB material or C material then in the top edge partial application of the defect, the third: two distances are all small
In 100mm, the distance for analyzing most marginal defect to the same side edge of timber in single face, which whether there is, is greater than 100mm, if depositing
Then in the Defect Edge partial application, an AB material and C material are being taken.
Preferably, judge whether the both ends of timber have plagiocephaly or defect in the step S6, if only existing plagiocephaly, excision is oblique
Head region when there are following two kinds of situations, then cuts off defect if both ends are defective, the first: when defect is smaller, and
Tow sides in timber one end are all defective, and second: when defect is smaller, in timber one end, only one face is defective, and
The defect is translated without other defect in 100mm inward, if not only there is plagiocephaly but also there are both ends defect, to two cutting lines into
Row merges, it is ensured that plagiocephaly and head defect are cut off simultaneously, save the time that more partial applications generate in this way.
Preferably, the defect by two faces of timber is mapped on the same face, is found out the top defect on the face and is arrived
Whether the distance z1 on timber top and bottom defect and are greater than 100mm according to the two distances to the distance z2 of timber end
Defect distribution is divided into four major class: z1 and z2 be all greater than 100, z1>100 and z2<100, z1<100 and z2>100, z1 and z2 it is all small
In 100
(3) beneficial effect
The present invention provides a kind of optimal cutling methods for arithmetic for lumber surface defects'.Have compared with prior art following
The utility model has the advantages that should be for the optimal cutling method of arithmetic for lumber surface defects', by specifically includes the following steps: S1, first rubber
Wood is cut, laterally and after vertical polishing by raw material by manually blind, and 300mm one piece about long, width 80mm and thickness 25mm are cut into
Wooden unit, these timber usually have black section, Bai Jie, pith, lack side, cracking, plagiocephaly, breakage the defects of, according to defect point
Cloth rule cuts timber, and timber is divided into four kinds: AA material, AB material, C material and waste material after cutting, S2, then uses high-resolution
Industrial CCD acquires the image in two faces of timber, is detected, is mentioned using defect of the convolutional neural networks algorithm to two faces of timber
Center and the area of each defect are taken out, Blob analysis S3, is carried out to defect, filters out the lesser defect of area, and ask
The minimum circumscribed rectangle of each defect out can be merged into one to two rectangles if two rectangles have overlapping region, or are separated by relatively closely
Big rectangle is handled, and S4, judges whether timber both ends defective or plagiocephaly, and if it exists, defect or plagiocephaly region are then cut off, though
A part of waste material so can be generated in this way, but understands the more AA material of output or AB material simultaneously, after S5, exclusion plagiocephaly and both ends defect,
Intermediate defect distribution is analyzed, the defect in two faces of timber is mapped on a face first, finds out the top on the face
Defect to timber top edge distance and bottom defect to the distance of timber lower edge, S6, be according to two distances in S5
It is no be greater than 100mm, cutting scheme is divided into three categories, the first: when two distances are all greater than 100mm, in the top defect and
Partial application is distinguished at the edge of bottom defect, takes two AA material and one piece of shorter waste material, it can be achieved that analyzing using deep learning
Algorithm is completed timber output can be made to reach maximum economic benefit, instead of traditional people the detection of the defect of wood surface
Human factor bring optimal cutling position judges the problem of inaccurate and inefficiency in work detection process, has been greatly saved artificial
Cost improves production efficiency, realizes and carries out mathematical modeling according to the regularity of distribution of arithmetic for lumber surface defects', from numerous defects point
Mathematical model is extracted in cloth type, three categories is classified as and goes to consider, and subdivision analysis has been carried out to each major class, so that
Cutting scheme realizes standardization, and on the one hand which can produce more AA material and AB material, while avoiding giving up as far as possible
The generation of material improves the use value of timber so that the volume recovery of timber reaches maximization, overcomes artificial be easy to cutting
It cuts position and causes erroneous judgement and the artificial lower problem of efficiency that draws lines, save cost of labor, improve production efficiency.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the embodiment of the present invention provides a kind of technical solution: a kind of optimal cutling for arithmetic for lumber surface defects'
Method, specifically includes the following steps:
S1, first rubber wood timber are cut, laterally and after vertical polishing by raw material by manually blind, are cut into one piece about long
The wooden unit of 300mm, width 80mm and thickness 25mm, these timber usually have black section, Bai Jie, pith, lack side, cracking, plagiocephaly, break
The defects of damage, cuts timber according to the regularity of distribution of defect, after cutting timber be divided into four kinds: AA material, AB material, C material and
Waste material；
S2, the image that two faces of timber are then acquired with high resolution industrial CCD, using convolutional neural networks algorithm to wood
The defect in two faces of material is detected, and center and the area of each defect are extracted；
S3, Blob analysis is carried out to defect, filters out the lesser defect of area, and find out the external square of minimum of each defect
Shape can be merged into one big rectangle to two rectangles and handle if two rectangles have overlapping region, or are separated by relatively closely；
S4, judge whether timber both ends defective or plagiocephaly, and if it exists, defect or plagiocephaly region are then cut off, although in this way
A part of waste material can be generated, but understands the more AA material of output or AB material simultaneously；
S5, after excluding plagiocephaly and both ends defect, intermediate defect distribution is analyzed, first by the defect in two faces of timber
It is mapped on a face, finds out the top defect on the face to the distance and bottom defect of timber top edge to timber lower edge
Distance；
S6, whether be greater than 100mm according to two distances in S5, cutting scheme be divided into three categories, the first: two away from
When from being all greater than 100mm, in the top, partial application is distinguished at the edge of defect and bottom defect, takes two AA material and one piece shorter
Waste material, second: only one distance about 100mm, for example the distance of the top defect to timber top edge is more than
100mm takes an AA material and an AB material or C material then in the top edge partial application of the defect, the third: two distances are all small
In 100mm, the distance for analyzing most marginal defect to the same side edge of timber in single face, which whether there is, is greater than 100mm, if depositing
Then in the Defect Edge partial application, an AB material and C material are being taken.
In the present invention, judge whether the both ends of timber have plagiocephaly or defect in step S6, if only existing plagiocephaly, cuts off plagiocephaly
Region when there are following two kinds of situations, then cuts off defect if both ends are defective, the first: when defect is smaller, and
The tow sides of timber one end are all defective, and second: when defect is smaller, in timber one end, only one face is defective, and should
Defect is translated without other defect in 100mm inward, if not only there is plagiocephaly but also there are both ends defect, is carried out to two cutting lines
Merge, it is ensured that plagiocephaly and head defect are cut off simultaneously, save the time that more partial applications generate in this way, the invention firstly uses
Convolutional neural networks deep learning algorithm carries out analysis detection to the defect of wood surface, extracts the position of each defect and big
It is small, too small defect is screened out, the minimum circumscribed rectangle of each defect is found out, if adjacent two rectangle has overlapping region or phase
When closer, two rectangles are merged, a larger rectangle are formed, convenient for the analysis of subsequent cutting position.
In the present invention, the defect in two faces of timber is mapped on the same face, finds out on the face the top defect to wood
The distance z1 on material top and bottom defect, and will according to whether the two distances are greater than 100mm to the distance z2 of timber end
Defect distribution is divided into four major class: z1 and z2 is all greater than 100, z1>100 and z2<100, z1<100 and z2>100, z1 and z2 are smaller than
100, (1), when z1 > 100 and z2 > 100, four kinds of situations can be divided into and accounted for, 1, when defect length be less than knife it is wide when, just
One knife can cut off entire defect, two AA material of output.
2, when defect length is greater than, knife is wide, and only one face is defective, in Defect Edge partial application, one AA material of output
Expect with AB.
3, when defect length is greater than, knife is wide, and two faces are all defective, cut respectively in the uppermost edge of defect and lowermost edge
One knife, two AA material of output and a waste material.
(2), when only one value of z1 and z2 is greater than 100, such as z1>100, z2<100, another situation is similar, can
It is divided into three categories consideration, 1, when timber length-z1 < 100, go out partial application, one AA material of output in the position of timber length -100
Expect with a C.
2, when timber length-z1 > 100, and the defect in two faces has overlapping region, and in the top, the top edge of defect cuts one
Knife, one AA material of output and a C material.
3, when timber length-z1 > 100, and the non-overlapping region of defect in two faces, the edge between two planar defects cuts one
Knife, two AB material of output.
(3), when z1 and z2 two value both less than 100, can be divided into three categories and take consideration, 1, when only one face it is defective,
It does not cut, entirely AB is taken to expect.
2, when two faces are all defective, and the edge of defect to the timber at both ends is smaller than 100mm in two faces, does not cut
It cuts, entirely C is taken to expect.
3, when two faces are all defective, select the defect at both ends in two faces to the maximum distance at the edge of timber, and should
Distance is greater than 100mm, then in the Defect Edge partial application, one AB material of output and a C material.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of optimal cutling method for arithmetic for lumber surface defects', it is characterised in that: specifically includes the following steps:
S1, first rubber wood timber are cut, laterally and after vertical polishing by raw material by manually blind, and 300mm one piece about long, width are cut into
The wooden unit of 80mm and thickness 25mm, these timber usually have black section, Bai Jie, pith, scarce side, cracking, plagiocephaly, breakage etc. and lack
It falls into, timber is cut according to the regularity of distribution of defect, timber is divided into four kinds: AA material, AB material, C material and waste material after cutting；
S2, the image that two faces of timber are then acquired with high resolution industrial CCD, using convolutional neural networks algorithm to timber two
The defect in a face is detected, and center and the area of each defect are extracted；
S3, Blob analysis is carried out to defect, filters out the lesser defect of area, and find out the minimum circumscribed rectangle of each defect,
If two rectangles have overlapping region, or are separated by relatively closely, can two rectangles be merged into one big rectangle and handled；
S4, judge whether timber both ends defective or plagiocephaly, and if it exists, defect or plagiocephaly region are then cut off, although can produce in this way
Raw a part of waste material, but the more AA material of output or AB material are understood simultaneously；
S5, after excluding plagiocephaly and both ends defect, intermediate defect distribution is analyzed, first maps the defect in two faces of timber
Onto a face, find out the top defect on the face to timber top edge distance and bottom defect to timber lower edge away from
From；
S6, whether it is greater than 100mm according to two distances in S5, cutting scheme is divided into three categories, the first: two distances are all
When greater than 100mm, in the top, partial application is distinguished at the edge of defect and bottom defect, takes two AA to expect useless with one piece shorter
Material, second: only one distance about 100mm, for example the distance of the top defect to timber top edge is more than 100mm, then
In the top edge partial application of the defect, an AA material and an AB material or C material are taken, the third: two distances are smaller than 100mm,
The distance for analyzing most marginal defect to the same side edge of timber in single face, which whether there is, is greater than 100mm, and if it exists, then at this
Defect Edge partial application takes an AB material and C material.
2. a kind of optimal cutling method for arithmetic for lumber surface defects' according to claim 1, it is characterised in that: the step
Judge whether the both ends of timber have plagiocephaly or defect in rapid S6, if only existing plagiocephaly, cuts off plagiocephaly region, if both ends are defective,
When there are following two kinds of situations, then defect is cut off, the first: when defect is smaller, and the tow sides in timber one end
All defective, second: when defect is smaller, in timber one end, only one face is defective, and the defect translates in 100mm inward
There is no other defect, if not only there is plagiocephaly but also there are both ends defects, two cutting lines is merged, it is ensured that plagiocephaly and head
Portion's defect is cut off simultaneously, saves the time that more partial applications generate in this way.
3. a kind of optimal cutling method for arithmetic for lumber surface defects' according to claim 1, it is characterised in that: described to incite somebody to action
The defect in two faces of timber is mapped on the same face, finds out the top defect on the face to the distance z1 on timber top and most lower
Hold defect to the distance z2 of timber end, and defect distribution is divided into four major class: z1 according to whether the two distances are greater than 100mm
All it is greater than 100, z1>100 with z2 and z2<100, z1<100 and z2>100, z1 and z2 is smaller than 100.
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| CN109613011A (en) * | 2019-02-01 | 2019-04-12 | 东莞中科蓝海智能视觉科技有限公司 | Timber cutting surfaces smoothness detection method |
| CN109711611A (en) * | 2018-12-17 | 2019-05-03 | 北京木业邦科技有限公司 | Timber cuts volume recovery recognition methods, device, electronic equipment and storage medium |
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| CN110148121B (en) * | 2019-05-09 | 2022-11-22 | 腾讯科技（深圳）有限公司 | Skin image processing method and device, electronic equipment and medium |
| CN110790500B (en) * | 2019-10-29 | 2022-04-22 | 河源旗滨硅业有限公司 | Glass plate cutting method and device and terminal equipment |
| CN110790500A (en) * | 2019-10-29 | 2020-02-14 | 河源旗滨硅业有限公司 | Glass plate cutting method and device and terminal equipment |
| CN112232588A (en) * | 2020-10-30 | 2021-01-15 | 福州大学 | Wood cutting planning method based on accessory priority |
| CN113263555A (en) * | 2021-06-09 | 2021-08-17 | 福州大学 | Three-stage wood cutting planning method |
| CN113674233A (en) * | 2021-08-13 | 2021-11-19 | 沭阳东川木业有限公司 | Wood optimal selection saw visual detection method based on artificial intelligence |
| CN113548794A (en) * | 2021-08-18 | 2021-10-26 | 天津中玻北方新材料有限责任公司 | Optimized cutting equipment and method for float glass production |
| CN114505591A (en) * | 2022-01-28 | 2022-05-17 | 大族激光科技产业集团股份有限公司 | Pipe cutting control method, device and equipment and laser pipe cutting machine |
| CN117152161A (en) * | 2023-11-01 | 2023-12-01 | 山东迪特智联信息科技有限责任公司 | Shaving board quality detection method and system based on image recognition |
| CN117152161B (en) * | 2023-11-01 | 2024-03-01 | 山东迪特智联信息科技有限责任公司 | Shaving board quality detection method and system based on image recognition |
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