CN108846403B - Method for extracting facet gem image features - Google Patents
Method for extracting facet gem image features Download PDFInfo
- Publication number
- CN108846403B CN108846403B CN201810562783.0A CN201810562783A CN108846403B CN 108846403 B CN108846403 B CN 108846403B CN 201810562783 A CN201810562783 A CN 201810562783A CN 108846403 B CN108846403 B CN 108846403B
- Authority
- CN
- China
- Prior art keywords
- gem
- image
- faceted
- point
- points
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000012216 screening Methods 0.000 claims abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 abstract description 2
- 239000010437 gem Substances 0.000 description 40
- 229910001751 gemstone Inorganic materials 0.000 description 40
- 238000010586 diagram Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Image Analysis (AREA)
- Adornments (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810562783.0A CN108846403B (en) | 2018-06-04 | 2018-06-04 | Method for extracting facet gem image features |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810562783.0A CN108846403B (en) | 2018-06-04 | 2018-06-04 | Method for extracting facet gem image features |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108846403A CN108846403A (en) | 2018-11-20 |
CN108846403B true CN108846403B (en) | 2023-04-07 |
Family
ID=64210722
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810562783.0A Active CN108846403B (en) | 2018-06-04 | 2018-06-04 | Method for extracting facet gem image features |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108846403B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109682414A (en) * | 2019-02-28 | 2019-04-26 | 襄阳爱默思智能检测装备有限公司 | A kind of characteristic present of jewel identity and recognition methods |
US11874231B1 (en) * | 2023-06-21 | 2024-01-16 | Chow Sang Sang Jewellery Company Limited | System and method for gemstone identification |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101667287A (en) * | 2008-09-02 | 2010-03-10 | 新奥特(北京)视频技术有限公司 | Method for detecting corner points of outermost frames of symbols in symbol images |
JP5500404B1 (en) * | 2013-05-28 | 2014-05-21 | 株式会社コンセプト | Image processing apparatus and program thereof |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100501312C (en) * | 2007-09-06 | 2009-06-17 | 许焱 | Three-dimensional cut detection method of gemstones based on machine vision |
CN103472064B (en) * | 2013-10-12 | 2015-11-18 | 梧州学院 | A kind of method of justifying the qualification of bright cut jewel cut |
CN104732563B (en) * | 2015-04-01 | 2017-06-27 | 河南理工大学 | A centerline detection method of rings based on double distance transformation and feature distribution in images |
CN106652033B (en) * | 2016-12-05 | 2020-02-14 | 中国石油天然气股份有限公司 | Method for subdividing natural grid of geological profile |
-
2018
- 2018-06-04 CN CN201810562783.0A patent/CN108846403B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101667287A (en) * | 2008-09-02 | 2010-03-10 | 新奥特(北京)视频技术有限公司 | Method for detecting corner points of outermost frames of symbols in symbol images |
JP5500404B1 (en) * | 2013-05-28 | 2014-05-21 | 株式会社コンセプト | Image processing apparatus and program thereof |
Non-Patent Citations (2)
Title |
---|
《Semi-infinite Optimization Meets Industry:A Deterministic Approach to Gemstone Cutting》;Karl-Heinz Küfer 等;;《SIAM News》;第41卷(第8期);第1-3节 * |
《一种改进的角点探测方法》;朱如军 等;《计算机应用与软件》;第22卷(第1期);第1-3节 * |
Also Published As
Publication number | Publication date |
---|---|
CN108846403A (en) | 2018-11-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110334706B (en) | Image target identification method and device | |
CN117437219B (en) | Magnetic glue inductance irregular appearance defect detection method based on computer vision | |
CN105096259B (en) | The depth value restoration methods and system of depth image | |
CN105354865B (en) | Method and system for automatic cloud detection of multi-spectral remote sensing satellite images | |
CN112633212A (en) | Tea tender shoot grade identification and classification method based on computer vision | |
CN108171688A (en) | A Wafer Surface Defect Detection Method Based on Gabor Feature and Random Dimensionality Reduction | |
CN107256398B (en) | Feature fusion based individual milk cow identification method | |
CN101996328A (en) | Wood identification method | |
CN117788345B (en) | Land remote sensing image correction and enhancement method | |
CN113963042A (en) | Metal part defect degree evaluation method based on image processing | |
CN109359604B (en) | Method for identifying instrument under shadow interference facing inspection robot | |
CN110702648B (en) | Fluorescent spectrum pollutant classification method based on non-subsampled contourlet transformation | |
CN108846403B (en) | Method for extracting facet gem image features | |
CN110687122A (en) | Method and system for detecting surface cracks of ceramic tile | |
CN117635609B (en) | Visual inspection method for production quality of plastic products | |
CN111091134A (en) | Method for identifying tissue structure of colored woven fabric based on multi-feature fusion | |
CN117710399A (en) | Crack contour extraction method in geological survey based on vision | |
Backes et al. | Plant leaf identification using multi-scale fractal dimension | |
CN108932449A (en) | A kind of bar code binarization method and system based on cluster | |
CN106778754A (en) | A kind of industrial ammeter digit recognition method of robust | |
CN109544513A (en) | A kind of steel pipe end surface defect extraction knowledge method for distinguishing | |
CN113516627A (en) | Device and method for detecting foreign matter in wine bottle | |
CN117974706A (en) | Rock slice particle pit segmentation method based on dynamic threshold and local search | |
CN113763404A (en) | Foam image segmentation method based on optimization mark and edge constraint watershed algorithm | |
CN115100510B (en) | A method for identifying tire wear degree |
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 | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 441000 C603, high tech entrepreneurship service center, No.2, zhuiri Road, high tech Zone, Xiangyang City, Hubei Province Applicant after: Hubei emers intelligent testing equipment Co.,Ltd. Address before: 441000 C603, high tech entrepreneurship service center, No.2, zhuiri Road, high tech Zone, Xiangyang City, Hubei Province Applicant before: XIANGYANG AIMOSI INTELLIGENT DETECTION EQUIPMENT CO.,LTD. |
|
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Yang Xiuming Inventor after: Lei Zili Inventor after: Liu Xiaojun Inventor before: Lei Zili Inventor before: Yang Xiuming Inventor before: Liu Xiaojun |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20220830 Address after: Room 601, Unit 4, Building 5, East District, Qijin Garden, Wenzheng Street, Caidian Street, Caidian District, Wuhan City, Hubei Province 430000 Applicant after: Wuhan Hengyu Scientific and Educational Instrument and Equipment R&D Co.,Ltd. Applicant after: Hubei emers intelligent testing equipment Co.,Ltd. Address before: 441000 C603, high tech entrepreneurship service center, No.2, zhuiri Road, high tech Zone, Xiangyang City, Hubei Province Applicant before: Hubei emers intelligent testing equipment Co.,Ltd. |
|
GR01 | Patent grant | ||
GR01 | Patent grant |