CN108918504A - The system and method for Gemstone Identification is realized based on Raman spectrum and OCT - Google Patents
The system and method for Gemstone Identification is realized based on Raman spectrum and OCT Download PDFInfo
- Publication number
- CN108918504A CN108918504A CN201811059554.3A CN201811059554A CN108918504A CN 108918504 A CN108918504 A CN 108918504A CN 201811059554 A CN201811059554 A CN 201811059554A CN 108918504 A CN108918504 A CN 108918504A
- Authority
- CN
- China
- Prior art keywords
- sample
- oct
- raman spectrum
- raman
- image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
-
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (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)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention discloses one kind to be imaged based on Raman spectrum and optical coherence（OCT）Technology realizes the system and method for Gemstone Identification, the system comprises：Gem Samples, glass slide, magazine, mobile platform, Raman spectrometer, OCT, data, which are extracted, includes two loopholes with processing module, display, the magazine；The method includes：It obtains unloaded image when glass slide zero load by loophole with OCT first, then the sample being placed on glass slide is detected to obtain sample spectrum diagram and OCT image with OCT and Raman spectrometer respectively；Using computer software analysis image, to obtain sample boundaries and range information, and by the calculating of light path matching principle completion refractive index, analysis raman spectrum obtains sample chemical property；Final measurement is shown by display.System and method design it is simple, easy to operate, to same sample realize measurement be switched fast；Realize the physical attribute of irregular gem materials（Light refractive index）With the measurement and comprehensive analysis of the multi objectives such as chemical component；This method realizes automation, the digitlization, intelligent measuring of the light refractive index of jewel difference tomography simultaneously.
Description
Technical field
The present invention relates to Gemstone Identification fields, more particularly to one kind is based on Raman spectrum and OCT measurement jewel physics refraction
The System and method for of rate and chemical component property.
Background technique
The authenticity of jewel be in real life it is particularly important, wherein refractive index is an extremely important identification
Index, measurement method include prism method, Polarization Method（Test Brewster's angle）, contact pin method, Abbe refractometer method, also include light
It learns coherent imaging technology (OCT).
OCT is the new skill of a kind of quick, high-resolution and the highly sensitive high-resolution tomography image for obtaining sample
Art has been widely used in biologic medical and material tests, and detection method is also extremely easy, only material need to be directly put
Set in scanning range, can be obtained the OCT image comprising material characteristics information, measurement it is the simplest directly, be it is a kind of quickly,
Detect the new technique of refractive index.
Jewelry, ore refractive index can thus measure, but thus much an appraisal basis is relatively simple, especially rolls in sample
It penetrates in situation similar in rate, is difficult to distinguish gem materials, it is therefore necessary to enrich corresponding identification of indicator；And Raman spectrum skill
Art is as a kind of mature technology, using " molecular fingerprint " characteristic of Raman spectrum, can screen different chemical composition, and its conduct
A kind of sxemiquantitative and non-quantitation technology, are difficult accurate quantification different chemical composition content, and refractive index can make up it is such
Defect, therefore the combination of two kinds of technologies can play bigger power, form more comprehensive to jewelry ore materials, comprehensive analysis knot
Fruit and report.
Apparatus of the present invention realize the combination of above-mentioned technology, and the physics and chemical property of jewelry ore materials can be achieved at the same time
It measures, obtains and the comprehensive evaluating of jewel is identified, and detection is easy, quick, accurate.
Summary of the invention
It is a kind of precious based on Raman spectrum and OCT technology realization object of the present invention is to provide in view of the defects existing in the prior art
The System and method for of stone identification, measurement while physics and chemical property to realize jewelry ore materials, obtains to jewel
Comprehensive evaluating and identification, and detection is easy, quick, accurate.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of system that Gemstone Identification is realized based on Raman spectrum and OCT technology, including Gem Samples, glass slide, magazine, movement
Platform, Raman spectrometer, OCT, data, which are extracted, includes two loopholes with processing module, display, the magazine.
Further, the Raman spectrometer wavelength model is optional, for measuring the Raman spectral information of Gem Samples；Institute
State that OCT wavelength model is optional, principle is the light that issues of low-coherence light source after fiber optic splitter, uniformly it is divided into two beams,
Reference arm and sample arm are respectively enterd, the reference light returned by the reflected sample light of sample and mirror reflection is again through light
Fine beam splitter phase dry doubling is coupled on detector, herein for OCT figure in surface when obtaining glass slide zero load (for always in image
Line, referred to as baseline) with place sample when Sample Scan figure.
Preferably, the sample is the jewel of surfacing.
Preferably, the slide thickness is 1 ~ 2mm, measures unloaded image and placement sample for providing OCT.
Preferably, the magazine provides environmental requirement for Raman spectrometer and OCT measurement, extraneous interference is avoided, into one
With walking, the light of loophole there are two the magazine tops, Raman spectrometer and OCT are via herein into magazine.
Further, the mobile platform is for placing glass slide and sample, and horizontal can at the uniform velocity drag platform for drawing
The scanning of graceful spectrometer and OCT to sample.
Preferably, the data extract the synthesis for carrying out unloaded figure and sample drawing with computer software with processing module,
And optimize through median filtering, Boundary Recognition is carried out using canny operator, utilizes Hough transform (Hough
Transformation Straight Line Identification) is carried out to each interface of composite diagram, the distance feature between the straight line of acquisition, according to light path
Sample refractive index is calculated automatically with principle, and analysis raman spectrum obtains sample chemical property.
Further, the display is for showing final gem properties measurement result.
A method of Gemstone Identification is realized based on Raman spectrum and OCT technology, is included the following steps：
A, baseline image when first with OCT by loophole acquisition glass slide zero load；Use OCT and Raman spectrum respectively again
Instrument detects the sample being placed on glass slide, i.e., at the uniform velocity drags mobile platform, makes Raman spectrometer and OCT successively to sample
Product, which are scanned, obtains sample Raman spectrogram and OCT image；
B, using two image of computer software analysis, to obtain sample boundaries and characteristic information, and it is public by light path matching principle
Formula completes the calculating of refractive index, and the analysis of chemical property is completed by Raman spectrum；
C, final measurement is shown by display.
The beneficial effects of the invention are as follows：（1）This system realizes Raman spectroscopy and two kinds of optical coherence imaging technique
The combination of technology, reducing two kinds, technology space separation bring operation is constant and resource is overlapped.
（2）This method by computer software by arithmetic programming realize jewel difference tomography light refractive index from
Dynamicization, digitlization, intelligent measuring.
（3）Apparatus of the present invention and method, design is simple, and integration ofTechnology degree is high, easy to operate, while having given full play to two kinds
The qualitative and quantitative complementarity of measuring technique, to quickly, accurately, systematically complete jewelry, the common physics of ore and change
Learn the comprehensive analysis and identification of property.
Detailed description of the invention
Attached drawing 1 is system and device schematic diagram of the invention.
Attached drawing 2 is measuring method flow chart provided by the invention.
Attached drawing 3 is Method And Principle schematic diagram provided by the present invention.
Attached drawing 4 is a kind of jewel embodiment Raman spectrogram provided by the invention.
Attached drawing 5 is a kind of jewel embodiment OCT figure provided by the invention, composite diagram.
Attached drawing 6 is the interaction figure provided by the invention using 5 composite diagram of attached drawing after algorithm process.
In figure, 1- sample 2- glass slide 3- magazine 301-OCT loophole 302- Raman spectrometer loophole 4- is mobile
Platform 5-OCT 6- Raman spectrometer 7- data are extracted and processing module 8- display.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specifically real
Applying example, the invention will be further described, so that those skilled in the art can better understand technical solution of the present invention,
But the embodiment of invention is without being limited thereto.
As shown in Figure 1, for a kind of system and device schematic diagram for realizing Gemstone Identification based on Raman spectrum and OCT technology, packet
Gem Samples 1, glass slide 2, magazine 3, mobile platform 4, Raman spectrometer 5, OCT6, data are included to extract and processing module 7, display
Device 8, the magazine include two loopholes 301,302.
It is illustrated in figure 2 a kind of method stream that Gemstone Identification is realized based on Raman spectrum and OCT technology provided by the invention
Cheng Tu includes the following steps：
A, the mobile platform 4 for not placing sample 1 is placed in 301 lower section of loophole, sky when starting OCT6 acquisition glass slide 2 is unloaded
Baseline chart is carried, later places the Gem Samples of surfacing 1, places it in 302 lower section of loophole, then at the uniform velocity dragging is mobile flat
Platform 4, is respectively started Raman spectrometer 5 and OCT6 scanning obtains the Raman spectrum and OCT image of sample 1；
B, scanning figure acquired in two instruments is uploaded to data extraction and processing module 7 through data line connection, used here
Computer software carries out the synthesis of unloaded figure and sample drawing, and optimizes through median filtering, carries out boundary knowledge using canny operator
Not, Hough transform is utilized（Hough Transformation）Straight Line Identification carried out to each interface of composite diagram, acquisition it is straight
Distance feature between line；If Straight Line Identification is ineffective, it may be programmed and realize same scan line（Dotted line as shown in Figure 3）With it is upper
The manual interaction of lower boundary, baseline intersection point is chosen, and completes various point locations information（The coordinate value being primarily referred to as on image）It extracts,
Sample refractive index is calculated according to light path matching principle automatically afterwards, analysis raman spectrum obtains sample chemical property；
C, final result is connected to display 8 by data line and is shown.
It should be noted that wherein can realize the measurement to sample refractive index, principle such as Fig. 3 based on light path matching principle
It is shown：The light path matching principle and the corresponding faultage image location information of physics light path that OCT coherent measurement requires：Place sample
Before, i.e., when objective table is vacant, its tomograph is scanned, the position of stage surface is y in figure0（As baseline position）；It is carrying
It after placing sample on object platform, is tightly attached to the lower surface of sample on objective table, carries out longitudinal scanning（At Fig. 3 algorithm process figure
p0~p4It is shown）；In Sample Scan tomograph, if the position of sample upper surface is y1, the lower surface of sample is for position in figure
y2If sample refractive index is n, then have, then by respective image processing technique described above, extract respective distance
Parameter（y0, y1, y2）, refractive index can be calculated by substituting into formula.
If Fig. 4 is a kind of Raman spectrogram of Gem Samples diamond embodiment provided by the present invention, feature spectral peak is
1300cm-1 is consistent by Raman spectrum analysis with known diamond embodiment standard feature peak, and the mirror of corresponding chemical ingredient is completed
It is fixed.
As shown in Figure 5,6, Fig. 5 is the OCT figure and composite diagram of above-mentioned diamond embodiment provided by the invention；Fig. 5 (a) is benefit
The baseline chart of acquisition is scanned to vacant objective table with OCT technology；Fig. 5 (b) is using OCT technology to being placed on objective table
Diamond be scanned the sample drawing of acquisition；Fig. 5 (c) is the synthesis of the baseline chart and sample drawing realized by programming；Fig. 6 is to close
At digital picture identify that the interaction figure on boundary is scanned along longitudinal direction by the boundary identified through Hough transform（p0~p4）, fortune
Multiple groups up-and-down boundary distance and coboundary are obtained to parallax range parameter value i.e. with algorithmWith, light is substituted into afterwards
Journey matching principle formula, and statistical disposition test result.The measuring sample refractive index is that 2.412 ± 0.013 (known this is pure
2.417) driller's industry standard refraction rate is.
In conclusion more preferred separate embodiment used herein a kind of is based on Raman to provided by the present invention
Spectrum and OCT technology realize that the System and method for of Gemstone Identification is expounded, and the explanation of above example is only intended to help
Understand method and core concept of the invention, it is noted that although having carried out in detail referring to aforementioned separate embodiment to the present invention
Illustrate, but to those skilled in the art, without departing from the principle of the present invention, several change can also be made
Into and retouching, these modifications and embellishments are also considered to be within the scope of the present invention.
Claims (10)
1. one kind is imaged based on Raman spectrum and optical coherence（OCT）The system of technology realization Gemstone Identification, which is characterized in that packet
Gem Samples, glass slide, magazine, mobile platform, Raman spectrometer, OCT, data extraction and processing module, display are included, it is described
Magazine includes two loopholes.
2. the system for realizing Gemstone Identification based on Raman spectrum and OCT technology as described in claim 1, which is characterized in that institute
It is optional to state Raman spectrometer wavelength model, for measuring the Raman spectral information of glass material sample；The OCT wavelength model can
Choosing, principle are the light of low-coherence light source sending after fiber optic splitter, are uniformly divided into two beams, respectively enter reference arm
And sample arm, the reference light returned by the reflected sample light of sample with mirror reflection is again through fiber optic splitter phase dry doubling
It is coupled on detector, schemes herein for surface OCT when obtaining glass slide zero load（It is a straight line, referred to as baseline in image）With put
Set Sample Scan figure when sample.
3. the system for realizing Gemstone Identification based on Raman spectrum and OCT technology as described in claim 1, which is characterized in that institute
Stating sample is rule of surface or irregular jewelry and ore.
4. the system for realizing Gemstone Identification based on Raman spectrum and OCT technology as described in claim 1, which is characterized in that institute
Stating slide thickness is 1 ~ 2mm, measures unloaded image and placement sample for providing OCT.
5. the system for realizing Gemstone Identification based on Raman spectrum and OCT technology as described in claim 1, which is characterized in that institute
It states magazine and provides environmental requirement for Raman spectrometer and OCT measurement, avoid extraneous interference；Further, at the top of the magazine
There are two loophole, the light of Raman spectrometer and OCT are via herein into magazine.
6. the system for realizing Gemstone Identification based on Raman spectrum and OCT technology as described in claim 1, which is characterized in that institute
Mobile platform is stated for placing glass slide and sample, and horizontal can at the uniform velocity drag platform for Raman spectrometer and OCT to sample
Scanning.
7. the system for realizing Gemstone Identification based on Raman spectrum and OCT technology as described in claim 1 and 2, which is characterized in that
The data extract the synthesis for carrying out unloaded figure and sample drawing with computer software with processing module, and excellent through median filtering
Change, carries out Boundary Recognition using canny operator, utilize Hough transform（Hough Transformation）To each of composite diagram
Interface carries out Straight Line Identification, the distance feature between the straight line of acquisition；In composite diagram when the pole out-of-flatness of jewel upper and lower interface or straight line
When recognition effect is bad, mark can also be clicked by hand on the image with scan line and up-and-down boundary by programming, the three of baseline
A intersection point obtains its location information, after further according to light path matching principle calculate sample refractive index automatically, analysis raman spectrum obtains
Sample chemical property.
8. the system based on Raman spectrum and OCT technology measurement glass material property, feature exist as claimed in claim 7
In the light path matching principle：The light path matching principle and the corresponding tomograph image position of physics light path that OCT coherent measurement requires
Confidence breath：Before placing sample, i.e., when objective table is vacant, its tomograph is scanned, the position of stage surface is y in figure0（As
Baseline position）；After placing sample on objective table, it is tightly attached to the lower surface of sample on objective table, is scanned；Sample Scan
In tomograph, if the position of sample upper surface is y1, the lower surface of sample is that position is y in figure2If sample refractive index is n,
Then have。
9. the system for realizing Gemstone Identification based on Raman spectrum and OCT technology as described in claim 1, which is characterized in that institute
Display is stated for showing final gem properties measurement result.
10. the method for realizing Gemstone Identification based on Raman spectrum and OCT technology as described in claim 1, which is characterized in that packet
Include following steps：
A, baseline image when first with OCT by loophole acquisition glass slide zero load；Use OCT and Raman spectrum respectively again
Instrument detects the sample being placed on glass slide, i.e., at the uniform velocity drags mobile platform, makes Raman spectrometer and OCT successively to sample
Product, which are scanned, obtains sample Raman spectrogram and OCT image；
B, using two image of computer software analysis, to obtain sample boundaries and characteristic information, and it is public by light path matching principle
Formula completes the calculating of refractive index, and the analysis of chemical property is completed by Raman spectrum；
C, final measurement is shown by display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811059554.3A CN108918504A (en) | 2018-09-12 | 2018-09-12 | The system and method for Gemstone Identification is realized based on Raman spectrum and OCT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811059554.3A CN108918504A (en) | 2018-09-12 | 2018-09-12 | The system and method for Gemstone Identification is realized based on Raman spectrum and OCT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108918504A true CN108918504A (en) | 2018-11-30 |
Family
ID=64407905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811059554.3A Pending CN108918504A (en) | 2018-09-12 | 2018-09-12 | The system and method for Gemstone Identification is realized based on Raman spectrum and OCT |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108918504A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132933A (en) * | 2019-05-09 | 2019-08-16 | 上海大学 | A kind of stable device and method for collecting surface enhanced Raman spectroscopic signals |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090021724A1 (en) * | 2007-07-20 | 2009-01-22 | Vanderbilt University | Combined raman spectroscopy-optical coherence tomography (rs-oct) system and applications of the same |
| US20120135535A1 (en) * | 2008-10-30 | 2012-05-31 | New York University | Automated real-time particle characterization and three-dimensional velocimetry with holographic video microscopy |
| CN103575701A (en) * | 2013-10-23 | 2014-02-12 | 复旦大学 | Transparent material refractive index and thickness measurement method and device based on frequency domain OCT (optical coherence tomography) |
| CN103760146A (en) * | 2014-01-03 | 2014-04-30 | 中国农业大学 | Non-contact component detection system and method for powder |
| CN104007560A (en) * | 2014-03-26 | 2014-08-27 | 中国科学院长春光学精密机械与物理研究所 | Auxiliary adjustment device for optical lenses |
| WO2015082564A1 (en) * | 2013-12-03 | 2015-06-11 | Imec Vzw | Device and method for non-invasive measuring of analytes |
| CN105050475A (en) * | 2013-03-29 | 2015-11-11 | 索尼公司 | Laser scanning observation device and laser scanning method |
| CN106053425A (en) * | 2016-05-10 | 2016-10-26 | 南京理工大学 | Raman spectrum gem and jade appraising device and method |
| CN106895920A (en) * | 2017-04-19 | 2017-06-27 | 重庆师范大学 | A kind of new Raman signal recurring structure |
| CN106996927A (en) * | 2017-02-28 | 2017-08-01 | 梧州市东麟宝石机械有限公司 | A kind of method that utilization Raman spectrum differentiates jewel |
| WO2018125633A1 (en) * | 2016-12-31 | 2018-07-05 | Alcatel-Lucent Usa Inc. | Hybrid raman and optical coherence tomography imaging |
-
2018
- 2018-09-12 CN CN201811059554.3A patent/CN108918504A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090021724A1 (en) * | 2007-07-20 | 2009-01-22 | Vanderbilt University | Combined raman spectroscopy-optical coherence tomography (rs-oct) system and applications of the same |
| US7508524B2 (en) * | 2007-07-20 | 2009-03-24 | Vanderbilt University | Combined raman spectroscopy-optical coherence tomography (RS-OCT) system and applications of the same |
| US20120135535A1 (en) * | 2008-10-30 | 2012-05-31 | New York University | Automated real-time particle characterization and three-dimensional velocimetry with holographic video microscopy |
| CN105050475A (en) * | 2013-03-29 | 2015-11-11 | 索尼公司 | Laser scanning observation device and laser scanning method |
| CN103575701A (en) * | 2013-10-23 | 2014-02-12 | 复旦大学 | Transparent material refractive index and thickness measurement method and device based on frequency domain OCT (optical coherence tomography) |
| WO2015082564A1 (en) * | 2013-12-03 | 2015-06-11 | Imec Vzw | Device and method for non-invasive measuring of analytes |
| CN103760146A (en) * | 2014-01-03 | 2014-04-30 | 中国农业大学 | Non-contact component detection system and method for powder |
| CN104007560A (en) * | 2014-03-26 | 2014-08-27 | 中国科学院长春光学精密机械与物理研究所 | Auxiliary adjustment device for optical lenses |
| CN106053425A (en) * | 2016-05-10 | 2016-10-26 | 南京理工大学 | Raman spectrum gem and jade appraising device and method |
| WO2018125633A1 (en) * | 2016-12-31 | 2018-07-05 | Alcatel-Lucent Usa Inc. | Hybrid raman and optical coherence tomography imaging |
| CN106996927A (en) * | 2017-02-28 | 2017-08-01 | 梧州市东麟宝石机械有限公司 | A kind of method that utilization Raman spectrum differentiates jewel |
| CN106895920A (en) * | 2017-04-19 | 2017-06-27 | 重庆师范大学 | A kind of new Raman signal recurring structure |
Non-Patent Citations (3)
| Title |
|---|
| PEIJUN GONG 等: ""Optical coherence tomography for longitudinal monitoring of vasculature in scars treated with laser fractionation"", 《JOURNAL OF BIOPHOTOTNICS》 * |
| 刘耀琴 等: ""OCT图像法测量折射率"", 《光学技术》 * |
| 徐速 等: ""宝石级蓝锥矿宝石学特征及鉴定"", 《宝石和宝石学杂志》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110132933A (en) * | 2019-05-09 | 2019-08-16 | 上海大学 | A kind of stable device and method for collecting surface enhanced Raman spectroscopic signals |
| CN110132933B (en) * | 2019-05-09 | 2021-12-28 | 上海大学 | Device and method for stably collecting surface enhanced Raman spectrum signals |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6333326B2 (en) | Analysis method of biological samples by spectral imaging | |
| JP6366556B2 (en) | Method for analyzing biological specimens with spectral images | |
| CN106662535B (en) | Determine the equipment, system and method for the optical properties of jewel | |
| EP3088870B1 (en) | Method and device for identifying jewellery and gems | |
| CN107851316A (en) | The analysis based on image of geology thin layer section | |
| Cho et al. | Quantitative assessment of touch-screen panel by nondestructive inspection with three-dimensional real-time display optical coherence tomography | |
| CN101308086A (en) | Fruit internal quality on-line checking method and apparatus based on near infrared spectra technology | |
| TW201500727A (en) | System and method for analyzing tissue cells using hyperspectral imaging | |
| CN109073448A (en) | Sample liquid level position-measurement device and sample liquid level location measurement method | |
| CN100357725C (en) | Method and device for rapidly detecting tenderness of beef utilizing near infrared technology | |
| KR102580984B1 (en) | Image processing method, program and recording medium | |
| KR101602353B1 (en) | Methods and appratus for high-throughput label-free cell assay | |
| Wijesinghe et al. | Industrial resin inspection for display production using automated fluid-inspection based on multimodal optical detection techniques | |
| US7625763B2 (en) | Rapid diagnostic test systems and methods | |
| Huck | Advances of vibrational spectroscopic methods in phytomics and bioanalysis | |
| CN112730326A (en) | Intelligent identification device and method for rock slices | |
| CN105954257A (en) | Intelligent human body calculus component analyzer and application method thereof | |
| WO2017112609A1 (en) | Method to characterize cut gemstones using optical coherence tomography | |
| CN106228167A (en) | Collection apparatus, labelling and recognition methods | |
| CN108918504A (en) | The system and method for Gemstone Identification is realized based on Raman spectrum and OCT | |
| CN109164063A (en) | Method based on OCT and Digital image technology automatic measurement Refractive Index of Material | |
| CN114383528A (en) | Counting pool depth calibration method and system, intelligent terminal and storage medium | |
| CN108802283A (en) | A kind of test method of glass baseplate surface defect direction and height | |
| CN109115747A (en) | System and method for based on Raman spectrum and OCT measurement glass material property | |
| AU2014321134A1 (en) | An apparatus and method for identifying plant varieties from leaf samples taken whilst in the field. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181130 |