TWI561908B - Auto focus method and apparatus using the same method - Google Patents

Auto focus method and apparatus using the same method

Info

Publication number: TWI561908B
Authority: TW; Taiwan
Prior art keywords: auto focus; same method; same; focus method; auto
Prior art date: 2015-03-27

Application number

TW104110143A

Other languages

English (en)

Other versions

TW201634999A (zh

Inventor

Chia-Lun Tsai

Original Assignee

Vivotek Inc

Priority date (The priority date 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 date listed.)

2015-03-27

Filing date

2015-03-27

Publication date

2016-12-11

2015-03-27 Application filed by Vivotek Inc filed Critical Vivotek Inc

2015-03-27 Priority to TW104110143A priority Critical patent/TWI561908B/zh

2016-03-22 Priority to US15/077,388 priority patent/US9615020B2/en

2016-10-01 Publication of TW201634999A publication Critical patent/TW201634999A/zh

2016-12-11 Application granted granted Critical

2016-12-11 Publication of TWI561908B publication Critical patent/TWI561908B/zh

Links

Classifications

- 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
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time

Landscapes

Engineering & Computer Science (AREA)
Multimedia (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Automatic Focus Adjustment (AREA)
Studio Devices (AREA)

TW104110143A 2015-03-27 2015-03-27 Auto focus method and apparatus using the same method TWI561908B (en)

Priority Applications (2)

Application Number	Priority Date	Filing Date	Title
TW104110143A TWI561908B (en)	2015-03-27	2015-03-27	Auto focus method and apparatus using the same method
US15/077,388 US9615020B2 (en)	2015-03-27	2016-03-22	Auto focus method and apparatus using the same

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
TW104110143A TWI561908B (en)	2015-03-27	2015-03-27	Auto focus method and apparatus using the same method

Publications (2)

Publication Number	Publication Date
TW201634999A TW201634999A (zh)	2016-10-01
TWI561908B true TWI561908B (en)	2016-12-11

Family

ID=56974481

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
TW104110143A TWI561908B (en)	2015-03-27	2015-03-27	Auto focus method and apparatus using the same method

Country Status (2)

Country	Link
US (1)	US9615020B2 (zh)
TW (1)	TWI561908B (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US10957729B2 (en)	2019-04-15	2021-03-23	Mediatek Inc.	Image sensor with embedded light-measuring pixels and method of automatic exposure control using the same
CN111654632B (zh) *	2020-06-19	2022-02-08	展讯通信（上海）有限公司	反差式聚焦方法、装置、电子设备及存储介质

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US20060192886A1 (en) *	2005-01-28	2006-08-31	Sony Corporation	Focus control device and focus control method
TW201138438A (en) *	2010-04-27	2011-11-01	Ability Entpr Co Ltd	Method of automatically calibrating a visual parameter for an imaging device
JP2012220679A (ja) *	2011-04-07	2012-11-12	Sony Corp	立体映像撮像装置、輻輳距離調整方法及びプログラム

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FR2999729B1 (fr) *	2012-12-14	2015-01-16	Astrium Sas	Mise au point optique d'un instrument de saisie d'image
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2015
- 2015-03-27 TW TW104110143A patent/TWI561908B/zh active
2016
- 2016-03-22 US US15/077,388 patent/US9615020B2/en active Active

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20060192886A1 (en) *	2005-01-28	2006-08-31	Sony Corporation	Focus control device and focus control method
TW201138438A (en) *	2010-04-27	2011-11-01	Ability Entpr Co Ltd	Method of automatically calibrating a visual parameter for an imaging device
JP2012220679A (ja) *	2011-04-07	2012-11-12	Sony Corp	立体映像撮像装置、輻輳距離調整方法及びプログラム

Also Published As

Publication number	Publication date
US20160286117A1 (en)	2016-09-29
TW201634999A (zh)	2016-10-01
US9615020B2 (en)	2017-04-04

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