JPH1139471A - 線分要素抽出方式及びその装置 - Google Patents
線分要素抽出方式及びその装置Info
- Publication number
- JPH1139471A JPH1139471A JP9209950A JP20995097A JPH1139471A JP H1139471 A JPH1139471 A JP H1139471A JP 9209950 A JP9209950 A JP 9209950A JP 20995097 A JP20995097 A JP 20995097A JP H1139471 A JPH1139471 A JP H1139471A
- Authority
- JP
- Japan
- Prior art keywords
- image
- line segment
- pixel
- segment element
- data
- 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
- 238000000605 extraction Methods 0.000 title claims description 8
- 238000000034 method Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 6
- 230000002950 deficient Effects 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 238000005336 cracking Methods 0.000 abstract description 2
- 230000006866 deterioration Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 3
- 238000007430 reference method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Landscapes
- Image Processing (AREA)
- Image Analysis (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9209950A JPH1139471A (ja) | 1997-07-18 | 1997-07-18 | 線分要素抽出方式及びその装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9209950A JPH1139471A (ja) | 1997-07-18 | 1997-07-18 | 線分要素抽出方式及びその装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1139471A true JPH1139471A (ja) | 1999-02-12 |
| JPH1139471A5 JPH1139471A5 (enExample) | 2005-05-19 |
Family
ID=16581360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9209950A Pending JPH1139471A (ja) | 1997-07-18 | 1997-07-18 | 線分要素抽出方式及びその装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1139471A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020154397A (ja) * | 2019-03-18 | 2020-09-24 | 株式会社安藤・間 | ひび割れ抽出システム、及びひび割れ抽出方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02268071A (ja) * | 1989-04-10 | 1990-11-01 | Canon Inc | 画像縮小装置 |
| JPH0735532A (ja) * | 1993-07-20 | 1995-02-07 | Abe Sekkei:Kk | 路面のひび割れ長さの測定方法 |
-
1997
- 1997-07-18 JP JP9209950A patent/JPH1139471A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02268071A (ja) * | 1989-04-10 | 1990-11-01 | Canon Inc | 画像縮小装置 |
| JPH0735532A (ja) * | 1993-07-20 | 1995-02-07 | Abe Sekkei:Kk | 路面のひび割れ長さの測定方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020154397A (ja) * | 2019-03-18 | 2020-09-24 | 株式会社安藤・間 | ひび割れ抽出システム、及びひび割れ抽出方法 |
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Legal Events
| Date | Code | Title | Description |
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| A977 | Report on retrieval |
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| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20070605 |
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| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20071016 |