DE112011104233T5 - Autofokus-Bildsystem - Google Patents
Autofokus-Bildsystem Download PDFInfo
- Publication number
- DE112011104233T5 DE112011104233T5 DE112011104233T DE112011104233T DE112011104233T5 DE 112011104233 T5 DE112011104233 T5 DE 112011104233T5 DE 112011104233 T DE112011104233 T DE 112011104233T DE 112011104233 T DE112011104233 T DE 112011104233T DE 112011104233 T5 DE112011104233 T5 DE 112011104233T5
- Authority
- DE
- Germany
- Prior art keywords
- edge
- gradient
- image
- width
- focus signal
- 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.)
- Withdrawn
Links
- 238000003384 imaging method Methods 0.000 title abstract description 21
- 238000000034 method Methods 0.000 claims description 86
- 238000003708 edge detection Methods 0.000 claims description 23
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- 230000004048 modification Effects 0.000 description 10
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- 238000001914 filtration Methods 0.000 description 5
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- 238000002310 reflectometry Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
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Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
- G03B13/36—Autofocus systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
- H04N23/673—Focus control based on electronic image sensor signals based on contrast or high frequency components of image signals, e.g. hill climbing method
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Optics & Photonics (AREA)
- Studio Devices (AREA)
- Automatic Focus Adjustment (AREA)
- Focusing (AREA)
- Image Analysis (AREA)
- Image Processing (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IBPCT/IB2010/055641 | 2010-12-07 | ||
| PCT/IB2010/055641 WO2011070513A1 (en) | 2009-12-07 | 2010-12-07 | Auto-focus image system |
| PCT/IB2011/052529 WO2012076993A1 (en) | 2010-12-07 | 2011-06-09 | Auto-focus image system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE112011104233T5 true DE112011104233T5 (de) | 2013-12-12 |
Family
ID=44511103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE112011104233T Withdrawn DE112011104233T5 (de) | 2010-12-07 | 2011-06-09 | Autofokus-Bildsystem |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP2649788A1 (enExample) |
| JP (1) | JP6057086B2 (enExample) |
| AU (1) | AU2011340208A1 (enExample) |
| CA (1) | CA2820847A1 (enExample) |
| DE (1) | DE112011104233T5 (enExample) |
| MX (1) | MX2013006516A (enExample) |
| SG (1) | SG190755A1 (enExample) |
| WO (1) | WO2012076993A1 (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111769904B (zh) * | 2020-06-23 | 2021-08-17 | 电子科技大学 | 一种反向散射通信系统中多反射设备并行传输的检测方法 |
| CN112529876B (zh) * | 2020-12-15 | 2023-03-14 | 天津大学 | 一种隐形眼镜边缘缺陷的检测方法 |
| CN114814881B (zh) * | 2022-04-15 | 2025-09-23 | 深圳市灵明光子科技有限公司 | 一种激光测距方法及激光测距芯片 |
| CN115482542A (zh) * | 2022-09-30 | 2022-12-16 | 中国银行股份有限公司 | 图像边缘的确定方法和装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011070513A1 (en) | 2009-12-07 | 2011-06-16 | Hiok Nam Tay | Auto-focus image system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH066661A (ja) * | 1992-06-19 | 1994-01-14 | Canon Inc | 合焦検出装置 |
| JP2002189164A (ja) * | 2000-12-21 | 2002-07-05 | Minolta Co Ltd | 光学系制御装置、光学系制御方法および記録媒体 |
| JP4334179B2 (ja) * | 2002-03-07 | 2009-09-30 | シャープ株式会社 | 電子カメラ |
| JP4493416B2 (ja) * | 2003-11-26 | 2010-06-30 | 富士フイルム株式会社 | 画像処理方法および装置並びにプログラム |
| JP2006024193A (ja) * | 2004-06-07 | 2006-01-26 | Fuji Photo Film Co Ltd | 画像補正装置、画像補正プログラム、画像補正方法、および画像補正システム |
| WO2010061250A1 (en) * | 2008-11-26 | 2010-06-03 | Hiok-Nam Tay | Auto-focus image system |
-
2011
- 2011-06-09 MX MX2013006516A patent/MX2013006516A/es active IP Right Grant
- 2011-06-09 CA CA2820847A patent/CA2820847A1/en not_active Abandoned
- 2011-06-09 SG SG2013044219A patent/SG190755A1/en unknown
- 2011-06-09 JP JP2013542633A patent/JP6057086B2/ja not_active Expired - Fee Related
- 2011-06-09 AU AU2011340208A patent/AU2011340208A1/en not_active Abandoned
- 2011-06-09 EP EP11748716.5A patent/EP2649788A1/en not_active Ceased
- 2011-06-09 WO PCT/IB2011/052529 patent/WO2012076993A1/en not_active Ceased
- 2011-06-09 DE DE112011104233T patent/DE112011104233T5/de not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011070513A1 (en) | 2009-12-07 | 2011-06-16 | Hiok Nam Tay | Auto-focus image system |
Also Published As
| Publication number | Publication date |
|---|---|
| SG190755A1 (en) | 2013-07-31 |
| WO2012076993A1 (en) | 2012-06-14 |
| AU2011340208A1 (en) | 2013-07-18 |
| EP2649788A1 (en) | 2013-10-16 |
| CA2820847A1 (en) | 2012-06-14 |
| JP2014513809A (ja) | 2014-06-05 |
| JP6057086B2 (ja) | 2017-01-11 |
| MX2013006516A (es) | 2013-12-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |