JPH0121385Y2 - - Google Patents
Info
- Publication number
- JPH0121385Y2 JPH0121385Y2 JP11198285U JP11198285U JPH0121385Y2 JP H0121385 Y2 JPH0121385 Y2 JP H0121385Y2 JP 11198285 U JP11198285 U JP 11198285U JP 11198285 U JP11198285 U JP 11198285U JP H0121385 Y2 JPH0121385 Y2 JP H0121385Y2
- Authority
- JP
- Japan
- Prior art keywords
- seal
- verification
- polar coordinate
- center position
- seal impression
- 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
- 238000012795 verification Methods 0.000 claims description 36
- 238000012937 correction Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims 1
- 238000004364 calculation method Methods 0.000 description 5
- 238000005311 autocorrelation function Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Collating Specific Patterns (AREA)
- Image Analysis (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11198285U JPH0121385Y2 (en]) | 1985-07-23 | 1985-07-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11198285U JPH0121385Y2 (en]) | 1985-07-23 | 1985-07-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6223356U JPS6223356U (en]) | 1987-02-12 |
| JPH0121385Y2 true JPH0121385Y2 (en]) | 1989-06-26 |
Family
ID=30992420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11198285U Expired JPH0121385Y2 (en]) | 1985-07-23 | 1985-07-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0121385Y2 (en]) |
-
1985
- 1985-07-23 JP JP11198285U patent/JPH0121385Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6223356U (en]) | 1987-02-12 |
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