CN110057825A - A kind of emerald egg face transparency interaction is classified instrument and its stage division - Google Patents
A kind of emerald egg face transparency interaction is classified instrument and its stage division Download PDFInfo
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- CN110057825A CN110057825A CN201910362412.2A CN201910362412A CN110057825A CN 110057825 A CN110057825 A CN 110057825A CN 201910362412 A CN201910362412 A CN 201910362412A CN 110057825 A CN110057825 A CN 110057825A
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- 241000579895 Chlorostilbon Species 0.000 title claims abstract description 78
- 229910052876 emerald Inorganic materials 0.000 title claims abstract description 78
- 239000010976 emerald Substances 0.000 title claims abstract description 78
- 230000003993 interaction Effects 0.000 title claims abstract description 29
- 239000004744 fabric Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 10
- NNBFNNNWANBMTI-UHFFFAOYSA-M brilliant green Chemical compound OS([O-])(=O)=O.C1=CC(N(CC)CC)=CC=C1C(C=1C=CC=CC=1)=C1C=CC(=[N+](CC)CC)C=C1 NNBFNNNWANBMTI-UHFFFAOYSA-M 0.000 claims description 3
- 210000003746 feather Anatomy 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 238000012937 correction Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 210000003128 head Anatomy 0.000 description 7
- 239000000284 extract Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/87—Investigating jewels
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention provides a kind of emerald egg face transparency interaction classification instrument and its stage divisions, comprising: light source, camera and bracket；Bracket includes: pallet, support frame, the first movable supporting frame and the second movable supporting frame；One layer of black light-absorbing cloth is covered in the upper surface of pallet, to provide no-reflection background；One end of first movable supporting frame is installed on support frame, and the other end is equipped with light source, and light source can rotate upwardly and downwardly, to adjust light source radiating angle；Second movable supporting frame is installed on the upper end position of support frame, and the other end is equipped with camera, and the camera is in the top of the pallet, and shoots for vertical tray upper surface；Camera is equipped with the connectivity port PC, is connected to computer by data line.The beneficial effects of the present invention are: technical solution proposed by the invention provides direct qualitative results, the accurate foundation that can be evaluated directly as finished product emerald；Both it had avoided and has artificially judged subjective factor, and in turn avoided the cumbersome of the prior art.
Description
Technical field
The present invention relates to jewelry appraisal instrument field more particularly to a kind of emerald egg face transparency interaction classification instrument and its
Stage division.
Background technique
Zhao Ming is opened in " measurement and classification of emerald transparency " text and proposes the quantitative approach of emerald transparency, and
Evaluation method used in emerald national standard at present.Using photometer measuring method, (measuring instrument is by light source, measurement case, photocell first
And galvanometer composition) light transmission rate T of the measurement with a thickness of the sample of n, recycling formula(n is thickness；T is n thickness
The light transmission rate of object, unit mm-1) calculate transmitance of the object to light of 1mm thickness, that is, unit transmissivity t.
This method is more accurate, and measurement result meets the transparency definition on mineralogy to material.But this method
Popularity rate is lower at present, be because its unit transparency for being evaluated be to the overall effect of emerald finished product it is nonsensical, with
The value of emerald finished product is also not directly dependent upon.In Jewelry Market, the emerald value of finished goods is high, non-breakable, therefore in market
Assessment foundation to emerald finished product is emerald " head ", i.e. emerald finished product whole clearing degree effect.Transparency interaction is by material
Expect based on transparency, with finished product cut, color, the transparency naked eyes effect cooperatively formed supplemented by thickness.
Furthermore the exit pupil of this method is 2mm, and emerald finished product stock size is uniform in 5mm or more, and not enough, because
The result of this this method cannot react emerald whole clearing degree effect, and used component is more complicated, is only suitable for
It uses and measures in laboratory, therefore come without expanded.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of emerald egg face transparency interaction classification instrument and its classification sides
Method.
A kind of emerald egg face transparency interaction is classified instrument, comprising: light source, camera and bracket；
The bracket includes: pallet, support frame, the first movable supporting frame and the second movable supporting frame for placing emerald；
And the length of first movable supporting frame is less than the length of second movable supporting frame；Support frame is vertically arranged；
One layer of black light-absorbing cloth is covered in the upper surface of the pallet, to provide no-reflection background；Described first is removable
One end of bracket is installed on support frame, and can up and down adjustment on the support frame, the other end is equipped with light source, and light source can on
Lower rotation, to adjust light source radiating angle；
Second movable supporting frame is installed on the upper end position of support frame, and can up and down adjustment on the support frame, separately
One end is equipped with camera, and the camera is in the top of the pallet, and shoots for vertical tray upper surface；
The camera is equipped with the connectivity port PC, is connected to computer by data line, the image transmitting that will be acquired
To computer.
Further, the camera is VMD-P500B industry camera.
Further, the other end of first movable supporting frame is equipped with a fixing axle, and fixing axle is horizontally disposed, light
There is a rotation hole on source, light source is mounted in the fixing axle of first movable supporting frame by rotation hole, and can be around solid
Dead axle rotates upwardly and downwardly.
Further, the light source is adjustable brightness light source, and the side of the pallet is equipped with brightness regulation knob, is used
In the brightness for adjusting light source.
Further, in use, first by the brightness of illumination instrument adjusting light source to 5500k, to simulate lamp；Make
The white balance of camera is adjusted with Bai Ka and gray card, and uses the rgb value and standard RGB of the green module in 24 colour standard colour atlas
The parameter of value check and correction camera；Then emerald to be fractionated is placed in the center of pallet, reuse camera to pallet
On emerald shot, obtain original emerald image；Finally the original emerald image transmitting to computer is handled,
Obtain classification results；The parameter includes: time for exposure and gain.
Further, a kind of emerald egg face transparency interaction stage division is applied to a kind of emerald egg face transparency
Effect is classified in instrument, it is characterised in that: a kind of emerald egg face transparency interaction stage division specifically includes following step
It is rapid:
S101: choosing the binary map gray threshold level1 of original emerald image grayscale figure using OSTU algorithm automatically, and
The pixel that pixel value in original emerald image is less than level1 is removed to obtain with the stingy background parts except in original emerald image
To the egg face image of emerald；
S102: rejecting the invalid computation region in the image of the egg face, i.e. white high bright degree part of the brightness value greater than x,
Obtain the first egg face image；Wherein, x is preset value, is set as the case may be；
S103: the segmentation threshold level2 of first egg face image is chosen automatically using OSTU algorithm, according to level2
Extract the relatively bright domain of first egg face image；And the part except relatively bright domain described in the image of first egg face is made
For relatively dark domain；
S104: first egg face image is divided into nine equal portions in a manner of nine grids, and according to the incidence apart from light
Relatively dark domain and relatively bright domain distribution situation in the farthest lattice of the lattice at point place, are classified the transparency of emerald,
Obtain classification results.
Further, in step S103, the method in the relatively bright domain of first egg face image is extracted according to level2 are as follows:
Using level2 and 1.3~2.5 times of level2 as the threshold value in relatively bright domain, the opposite of first egg face image is extracted
Bright domain.
Further, in step S104, first egg face image is divided into nine equal portions, and root in a manner of nine lattices
According to the specific distribution situation in relatively dark domain or relatively bright domain in the lattice farthest apart from the lattice where the incidence point of light, to bird with red feathers
Emerald green transparency is classified, comprising:
If 1) there is relatively bright domain in the farthest lattice of lattice where the incidence point apart from light, for first-class " head "；
If 2) there is relatively dark domain in the farthest lattice of lattice where the incidence point apart from light, for inferior " head "；
3) otherwise, it is medium " head ".
It is simple bright that technical solution provided by the invention has the benefit that technical solution proposed by the invention passes through
Analysis as a result, provide direct qualitative results, and provide the direct factor of finished product emerald value, can be directly as
The accurate foundation of finished product emerald appraisal；Both it had avoided and has artificially judged subjective factor, and using simplicity, avoided the numerous of the prior art
It is trivial.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the device figure that a kind of emerald egg face transparency interaction is classified instrument in the embodiment of the present invention；
Fig. 2 is a kind of flow chart of emerald egg face transparency interaction stage division in the embodiment of the present invention；
Fig. 3 is the effect picture being classified in the embodiment of the present invention to certain emerald.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
The embodiment provides a kind of emerald egg face transparency interaction classification instrument and its stage divisions.
Referring to FIG. 1, Fig. 1 is the device figure that a kind of emerald egg face transparency interaction is classified instrument in the embodiment of the present invention,
It include: light source 1,2 bracket 5 of camera；
The bracket 5 includes: that pallet 51, support frame 52, the first movable supporting frame 53 and second of placement emerald are removable
Dynamic bracket 54；And the length of first movable supporting frame 53 is less than the length of second movable supporting frame 54；Support frame 52
It is vertically arranged；
One layer of black light-absorbing cloth is covered in the upper surface of the pallet 51, to provide no-reflection background；Described first is removable
One end of dynamic bracket 53 is installed on support frame 52, and up and down adjustment, the other end can be equipped with light source 1 on support frame 52,
And light source 1 can rotate upwardly and downwardly, to adjust light source radiating angle；
Second movable supporting frame 54 is installed on the upper end position of support frame 52, and upper on support frame 52 can lower
Section, the other end are equipped with camera 2, and the camera 2 is in the top of the pallet 51, and claps for vertical tray upper surface
It takes the photograph；
The camera 2 is equipped with the connectivity port PC 21, is connected to computer by data line, and the image that will be acquired passes
Transport to computer.
The camera 2 is VMD-P500B industry camera.
The other end of first movable supporting frame 53 be equipped with a fixing axle, fixing axle be it is horizontally disposed, have on light source 1
One rotation hole, light source 1 are mounted in the fixing axle of first movable supporting frame 53 by rotation hole, and can be around fixing axle
It rotates upwardly and downwardly.
The light source 1 is adjustable brightness light source, and the side of the pallet 51 is equipped with brightness regulation knob 4, for adjusting
Save the brightness of light source 1；In the embodiment of the present invention, the light source 1 is the shot-light with optical filter.
In use, first by the brightness of illumination instrument adjusting light source 1 to 5500k, to simulate lamp；Using Bai Ka and
Gray card adjusts the white balance of camera 2, and is proofreaded using the rgb value of the green module in 24 colour standard colour atlas and standard RGB values
The parameter of camera 2；Then emerald to be fractionated is placed in the center of pallet 51, reuse camera 2 to pallet 51
On emerald shot, obtain original emerald image；The original image is finally transmitted to computer to handle, is obtained
Classification results；The parameter includes: time for exposure and gain.
Referring to FIG. 2, Fig. 2 is a kind of flow chart of emerald egg face transparency interaction stage division in the embodiment of the present invention,
Applied in emerald egg face transparency interaction classification instrument, a kind of emerald egg face transparency interaction stage division has
Body includes the following steps:
S101: the binary map gray scale of original emerald image grayscale figure is chosen automatically using maximum between-cluster variance algorithm (OSTU)
Threshold value level1, and the pixel that pixel value in original emerald image is less than level1 is removed, to scratch except in original emerald image
Background parts, obtain the egg face image of emerald；
S102: rejecting the invalid computation region in the image of the egg face, i.e. white high bright degree part of the brightness value greater than x,
Obtain the first egg face image；White high bright degree part includes the reflective highlight regions of incidence point and inlays region；Wherein, x is
Preset value is set as the case may be, and 95 are set as in the embodiment of the present invention；
S103: the segmentation threshold level2 of first egg face image is chosen automatically using OSTU algorithm, according to level2
Extract the relatively bright domain of first egg face image；And the part except relatively bright domain described in the image of first egg face is made
For relatively dark domain；
S104: first egg face image is divided into nine equal portions in a manner of nine grids, and according to the incidence apart from light
Relatively dark domain and relatively bright domain distribution situation in the farthest lattice of the lattice at point place, are classified the transparency of emerald,
Obtain classification results.
In step S102, it can be removed small area and filling-up hole processing to part is extracted, obtain complete emerald egg face figure
Picture；
Still there are some other light sources etc. in emerald egg face image after rejecting the invalid computation region in the image of the egg face
The small reflective spot of bring, brings certain error.Therefore after scratching except reflective spot and inlay part, choose the reflective spot and it
Point of seven points all in effective area be as starting point afterwards, with the reflective spot point and point of the first seven point all in effective area
As terminal, by polishing therein of selecting into the first egg face image.
In step S103, the method in the relatively bright domain of first egg face image is extracted according to level2 are as follows: by level2
Level2 with 1.3~2.5 times extracts the relatively bright domain of first egg face image respectively as the threshold value in relatively bright domain.
In step S104, first egg face image is divided into nine equal portions in a manner of nine lattices, and according to apart from light
Incidence point where the farthest lattice of lattice in the specific distribution situation in relatively dark domain or relatively bright domain, to the transparent of emerald
Degree is classified, comprising:
If 1) there is relatively bright domain in the farthest lattice of lattice where the incidence point apart from light, for first-class " head "
It (in transparency interaction higher emerald egg face, will form in the cambered surface of egg face apart from the farther away one end of incident light bright spot relatively bright
Domain is consistent with the phenomenon that " rising glimmering ")；
If 2) there is relatively dark domain in the farthest lattice of lattice where the incidence point apart from light, for inferior " head "
(in the poor emerald egg face of transparency interaction, since most light beams are reflected and absorbed in incidence point, in egg face cambered surface
On apart from the farther away one end of incident light bright spot will form a piece of relatively dark domain)；
3) otherwise, for medium " head ", (in medium transparency interaction emerald egg face, overall brightness is uniform, in image procossing
As a result in, without relatively bright domain also without relatively dark domain).
Citing: if the incidence point of light, in the lattice in the upper left corner, the relatively bright domain and relatively dark domain that the lower right corner extracts are divided
Cloth situation is as classification foundation.
As shown in figure 3, for the effect picture being classified in the embodiment of the present invention to certain emerald.
The beneficial effects of the present invention are: technical solution proposed by the invention is by simple and clear analysis as a result, providing
Direct qualitative results, and the direct factor of finished product emerald value is provided, the standard that can be evaluated directly as finished product emerald
True foundation；Both it had avoided and has artificially judged subjective factor, and using simplicity, avoided the cumbersome of the prior art.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of emerald egg face transparency interaction is classified instrument, it is characterised in that: include: light source (1), camera (2) and bracket
(5)；
The bracket (5) includes: pallet (51), support frame (52), the first movable supporting frame (53) and second for placing emerald
Movable supporting frame (54)；And the length of first movable supporting frame (53) is less than the length of second movable supporting frame (54)
Degree；Support frame (52) is vertically arranged；
One layer of black light-absorbing cloth is covered in the upper surface of the pallet (51), to provide no-reflection background；Described first is removable
One end of bracket (53) is installed on support frame (52), and up and down adjustment, the other end can be equipped with light on support frame (52)
Source (1), and light source (1) can rotate upwardly and downwardly, to adjust light source radiating angle；
Second movable supporting frame (54) is installed on the upper end position of support frame (52), and can be on support frame (52) up and down
It adjusts, the other end is equipped with camera (2), and the camera (2) is in the top of the pallet (51), and is vertical tray
(51) upper surface is shot；
The camera (2) is equipped with the connectivity port PC (21), is connected to computer by data line, and the image that will be acquired passes
Transport to computer.
2. a kind of emerald egg face transparency interaction as described in claim 1 is classified instrument, it is characterised in that: the camera
It (2) is VMD-P500B industry camera.
3. a kind of emerald egg face transparency interaction as described in claim 1 is classified instrument, it is characterised in that: described first is removable
The other end of dynamic bracket (53) is equipped with a fixing axle, fixing axle be it is horizontally disposed, have a rotation hole, light source (1) on light source (1)
It is mounted in the fixing axle of first movable supporting frame (53), and can be rotated upwardly and downwardly around fixing axle by rotation hole.
4. a kind of emerald egg face transparency interaction as described in claim 1 is classified instrument, it is characterised in that: the light source (1)
Side for adjustable brightness light source, the pallet (51) is equipped with brightness regulation knob (4), for adjusting the bright of light source (1)
Degree.
5. a kind of emerald egg face transparency interaction as described in claim 1 is classified instrument, it is characterised in that: in use, first
By the brightness of illumination instrument adjusting light source (1) to 5500k, to simulate lamp；Camera (2) are adjusted using Bai Ka and gray card
White balance, and use the parameter of the rgb value of the green module in 24 colour standard colour atlas and standard RGB values check and correction camera (2)；
Then emerald to be fractionated is placed in the center of pallet (51), reuse camera (2) to the emerald on pallet (51)
It is shot, obtains original emerald image；The original emerald image transmitting is handled to computer finally, is classified
As a result；The parameter includes: time for exposure and gain.
6. a kind of emerald egg face transparency interaction stage division, applied to a kind of bird with red feathers as described in claim 1 to 5 any one
Emerald green egg face transparency interaction is classified in instrument, it is characterised in that: a kind of emerald egg face transparency interaction stage division, specifically
Include the following steps:
S101: it chooses the binary map gray threshold level1 of original emerald image grayscale figure automatically using OSTU algorithm, and removes
Pixel value is less than the pixel of level1 in original emerald image, to scratch except the background parts in original emerald image, obtains bird with red feathers
Emerald green egg face image；
S102: the invalid computation region in the image of the egg face, i.e. white high bright degree part of the brightness value greater than x are rejected, is obtained
First egg face image；Wherein, x is preset value, is set as the case may be；
S103: it chooses the segmentation threshold level2 of first egg face image automatically using OSTU algorithm, is extracted according to level2
The relatively bright domain of first egg face image；And using the part except relatively bright domain described in the image of first egg face as phase
To dark domain；
S104: first egg face image is divided into nine equal portions in a manner of nine grids, and according to the incidence point institute apart from light
The farthest lattice of lattice in relatively dark domain and relatively bright domain distribution situation, the transparency of emerald is classified, is obtained
Classification results.
7. a kind of emerald egg face as claimed in claim 6 transparency interaction stage division, it is characterised in that: in step S103,
The method in the relatively bright domain of first egg face image is extracted according to level2 are as follows: by level2 and 1.3~2.5 times of level2
Respectively as the threshold value in relatively bright domain, the relatively bright domain of first egg face image is extracted.
8. a kind of emerald egg face as claimed in claim 6 transparency interaction stage division, it is characterised in that: in step S104,
First egg face image is divided into nine equal portions in a manner of nine lattices, and according to apart from the lattice where the incidence point of light most
The specific distribution situation in relatively dark domain or relatively bright domain in remote lattice, is classified the transparency of emerald, comprising:
If 1) there is relatively bright domain in the farthest lattice of lattice where the incidence point apart from light, for first-class " head "；
If 2) there is relatively dark domain in the farthest lattice of lattice where the incidence point apart from light, for inferior " head "；
3) otherwise, it is medium " head ".
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112465835A (en) * | 2020-11-26 | 2021-03-09 | 深圳市对庄科技有限公司 | Method for jadeite image segmentation and model training method |
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| CN112465835A (en) * | 2020-11-26 | 2021-03-09 | 深圳市对庄科技有限公司 | Method for jadeite image segmentation and model training method |
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