JPH0315681B2 - - Google Patents
Info
- Publication number
- JPH0315681B2 JPH0315681B2 JP13235982A JP13235982A JPH0315681B2 JP H0315681 B2 JPH0315681 B2 JP H0315681B2 JP 13235982 A JP13235982 A JP 13235982A JP 13235982 A JP13235982 A JP 13235982A JP H0315681 B2 JPH0315681 B2 JP H0315681B2
- Authority
- JP
- Japan
- Prior art keywords
- dimensional object
- shape
- shadow
- light
- image memory
- 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
Links
- 230000007547 defect Effects 0.000 claims description 13
- 238000005286 illumination Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 2
- 238000003909 pattern recognition Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000000007 visual 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
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
- G01B11/2518—Projection by scanning of the object
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13235982A JPS5920805A (ja) | 1982-07-28 | 1982-07-28 | 立体物の形状検査装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13235982A JPS5920805A (ja) | 1982-07-28 | 1982-07-28 | 立体物の形状検査装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5920805A JPS5920805A (ja) | 1984-02-02 |
JPH0315681B2 true JPH0315681B2 (ko) | 1991-03-01 |
Family
ID=15079514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13235982A Granted JPS5920805A (ja) | 1982-07-28 | 1982-07-28 | 立体物の形状検査装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5920805A (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6082904A (ja) * | 1983-10-14 | 1985-05-11 | Hitachi Denshi Ltd | 被検物体の輪郭検出方法 |
US4792696A (en) * | 1987-06-05 | 1988-12-20 | Trustees Of Columbia University In The City Of New York | Method and an apparatus for determining surface shape utilizing object self-shadowing |
JPH0638671U (ja) * | 1992-11-12 | 1994-05-24 | マンズトレーディング株式会社 | ゴミ排出機能を有するデスク |
US7489727B2 (en) | 2002-06-07 | 2009-02-10 | The Trustees Of Columbia University In The City Of New York | Method and device for online dynamic semantic video compression and video indexing |
-
1982
- 1982-07-28 JP JP13235982A patent/JPS5920805A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5920805A (ja) | 1984-02-02 |
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