JPH0346045B2 - - Google Patents
Info
- Publication number
- JPH0346045B2 JPH0346045B2 JP59242756A JP24275684A JPH0346045B2 JP H0346045 B2 JPH0346045 B2 JP H0346045B2 JP 59242756 A JP59242756 A JP 59242756A JP 24275684 A JP24275684 A JP 24275684A JP H0346045 B2 JPH0346045 B2 JP H0346045B2
- Authority
- JP
- Japan
- Prior art keywords
- point
- brightness gradient
- edge
- corner
- absolute value
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims description 23
- 230000008569 process Effects 0.000 claims description 7
- 238000005070 sampling Methods 0.000 claims description 6
- 238000003672 processing method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 13
- 230000008859 change Effects 0.000 description 7
- 102100040862 Dual specificity protein kinase CLK1 Human genes 0.000 description 4
- 102100040844 Dual specificity protein kinase CLK2 Human genes 0.000 description 4
- 101000749294 Homo sapiens Dual specificity protein kinase CLK1 Proteins 0.000 description 4
- 101000749291 Homo sapiens Dual specificity protein kinase CLK2 Proteins 0.000 description 4
- 230000004069 differentiation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/028—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring lateral position of a boundary of the object
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Image Analysis (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24275684A JPS61120002A (ja) | 1984-11-16 | 1984-11-16 | 画像のコ−ナ点検出方法及びその装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24275684A JPS61120002A (ja) | 1984-11-16 | 1984-11-16 | 画像のコ−ナ点検出方法及びその装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61120002A JPS61120002A (ja) | 1986-06-07 |
| JPH0346045B2 true JPH0346045B2 (ru) | 1991-07-15 |
Family
ID=17093795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24275684A Granted JPS61120002A (ja) | 1984-11-16 | 1984-11-16 | 画像のコ−ナ点検出方法及びその装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61120002A (ru) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6252690A (ja) * | 1985-08-31 | 1987-03-07 | Kawasaki Heavy Ind Ltd | 対象物体の頂点の検出方法 |
| JP6463593B2 (ja) * | 2015-11-02 | 2019-02-06 | コグネックス・コーポレイション | ビジョンシステムでラインを検出するためのシステム及び方法 |
| US10937168B2 (en) | 2015-11-02 | 2021-03-02 | Cognex Corporation | System and method for finding and classifying lines in an image with a vision system |
| DE102016120775A1 (de) | 2015-11-02 | 2017-05-04 | Cognex Corporation | System und Verfahren zum Erkennen von Linien in einem Bild mit einem Sichtsystem |
| CN110728285B (zh) * | 2019-08-23 | 2022-06-24 | 北京正安维视科技股份有限公司 | 一种基于动态变频的快速角点检测方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57163807A (en) * | 1981-04-01 | 1982-10-08 | Mitsubishi Electric Corp | Shape detector |
-
1984
- 1984-11-16 JP JP24275684A patent/JPS61120002A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57163807A (en) * | 1981-04-01 | 1982-10-08 | Mitsubishi Electric Corp | Shape detector |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61120002A (ja) | 1986-06-07 |
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