KR100426934B1 - 이산 웨이블렛 변환을 이용하는 자동 초점 조절 알고리즘 - Google Patents

이산 웨이블렛 변환을 이용하는 자동 초점 조절 알고리즘 Download PDF

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Publication number
KR100426934B1
KR100426934B1 KR10-2001-7007363A KR20017007363A KR100426934B1 KR 100426934 B1 KR100426934 B1 KR 100426934B1 KR 20017007363 A KR20017007363 A KR 20017007363A KR 100426934 B1 KR100426934 B1 KR 100426934B1
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South Korea
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sharpness
sub
dwt
band
sharpness parameter
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Korean (ko)
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KR20010093824A (ko
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아카리야틴큐
멧쯔웨너
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인텔 코오퍼레이션
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • 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
    • H04N23/675—Focus control based on electronic image sensor signals comprising setting of focusing regions

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Image Analysis (AREA)
  • Image Input (AREA)
KR10-2001-7007363A 1998-12-14 1999-11-10 이산 웨이블렛 변환을 이용하는 자동 초점 조절 알고리즘 Expired - Fee Related KR100426934B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/211,309 US6151415A (en) 1998-12-14 1998-12-14 Auto-focusing algorithm using discrete wavelet transform
US09/211,309 1998-12-14

Publications (2)

Publication Number Publication Date
KR20010093824A KR20010093824A (ko) 2001-10-29
KR100426934B1 true KR100426934B1 (ko) 2004-04-13

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KR10-2001-7007363A Expired - Fee Related KR100426934B1 (ko) 1998-12-14 1999-11-10 이산 웨이블렛 변환을 이용하는 자동 초점 조절 알고리즘

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US (1) US6151415A (https=)
JP (1) JP2002532761A (https=)
KR (1) KR100426934B1 (https=)
AU (1) AU1617300A (https=)
DE (1) DE19983806B4 (https=)
GB (1) GB2358978B (https=)
TW (1) TW493341B (https=)
WO (1) WO2000036551A1 (https=)

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US6766062B1 (en) * 2000-02-16 2004-07-20 The Board Of Trustees Of The Leland Stanford Junior University - Office Of Technology Digital ridgelet transform via digital polar coordinate transform
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US6636167B1 (en) 2000-10-31 2003-10-21 Intel Corporation Method of generating Huffman code length information
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US20020118746A1 (en) * 2001-01-03 2002-08-29 Kim Hyun Mun Method of performing video encoding rate control using motion estimation
US6766286B2 (en) 2001-03-28 2004-07-20 Intel Corporation Pyramid filter
US20020184276A1 (en) * 2001-03-30 2002-12-05 Tinku Acharya Two-dimensional pyramid filter architecture
US6889237B2 (en) * 2001-03-30 2005-05-03 Intel Corporation Two-dimensional pyramid filter architecture
US20030118245A1 (en) * 2001-12-21 2003-06-26 Leonid Yaroslavsky Automatic focusing of an imaging system
US6624688B2 (en) 2002-01-07 2003-09-23 Intel Corporation Filtering variable offset amplifer
US7538815B1 (en) 2002-01-23 2009-05-26 Marena Systems Corporation Autofocus system and method using focus measure gradient
US6650184B2 (en) 2002-03-15 2003-11-18 Intel Corporation High gain amplifier circuits and their applications
US7266151B2 (en) * 2002-09-04 2007-09-04 Intel Corporation Method and system for performing motion estimation using logarithmic search
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US6876776B2 (en) * 2003-02-14 2005-04-05 Ikonicys, Inc. System and method for auto-focusing an image
US20040169748A1 (en) * 2003-02-28 2004-09-02 Tinku Acharya Sub-sampled infrared sensor for use in a digital image capture device
US7274393B2 (en) * 2003-02-28 2007-09-25 Intel Corporation Four-color mosaic pattern for depth and image capture
US20040174446A1 (en) * 2003-02-28 2004-09-09 Tinku Acharya Four-color mosaic pattern for depth and image capture
US7589781B2 (en) * 2005-01-26 2009-09-15 Omnivision Technologies, Inc. Automatic focus for image sensors
US7676103B2 (en) * 2005-06-20 2010-03-09 Intel Corporation Enhancing video sharpness and contrast by luminance and chrominance transient improvement
US20070014468A1 (en) * 2005-07-12 2007-01-18 Gines David L System and method for confidence measures for mult-resolution auto-focused tomosynthesis
JP4636979B2 (ja) * 2005-09-09 2011-02-23 キヤノン株式会社 撮像装置及びその制御方法
US20080025630A1 (en) * 2006-07-28 2008-01-31 Atmel Corporation Adaptive noise filtering for reducing imager noise in digital image applications
KR101488655B1 (ko) * 2007-09-14 2015-02-03 삼성전자 주식회사 자동 초점 조절 장치 및 방법
RU2389050C1 (ru) * 2008-10-30 2010-05-10 Общество с ограниченной ответственностью Научно-Производственная компания "СенсорИС" Способ автоматической фокусировки
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US8294811B2 (en) * 2009-08-04 2012-10-23 Aptina Imaging Corporation Auto-focusing techniques based on statistical blur estimation and associated systems and methods
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JP4988057B1 (ja) 2011-10-11 2012-08-01 アキュートロジック株式会社 全焦点画像生成方法、全焦点画像生成装置、全焦点画像生成プログラム、被写体高さ情報取得方法、被写体高さ情報取得装置及び被写体高さ情報取得プログラム
JP6467257B2 (ja) * 2015-03-17 2019-02-06 キヤノン株式会社 情報処理装置、情報処理方法及びプログラム
TWI782280B (zh) * 2020-06-01 2022-11-01 財團法人國家實驗研究院 應用於遙測衛星的自動對焦方法及該遙測衛星
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JPH04336883A (ja) * 1991-05-14 1992-11-25 Konica Corp 撮像装置の自動焦点装置
JPH06138383A (ja) * 1992-10-27 1994-05-20 Ibiden Co Ltd 自動焦点カメラ
JPH08321985A (ja) * 1995-05-24 1996-12-03 Sanyo Electric Co Ltd オートフォーカスビデオカメラ
JPH0915506A (ja) * 1995-04-28 1997-01-17 Hitachi Ltd 画像処理方法および装置
JPH09214988A (ja) * 1996-02-05 1997-08-15 Olympus Optical Co Ltd 静止画像撮像装置
JPH1074192A (ja) * 1996-08-30 1998-03-17 Mitsubishi Electric Corp 画像処理方法およびその装置
KR0179067B1 (ko) * 1994-02-25 1999-05-01 구자홍 비디오 포커싱 방식에서의 자동 포커싱장치 및 방법
US6211515B1 (en) * 1998-10-19 2001-04-03 Raytheon Company Adaptive non-uniformity compensation using feedforward shunting and wavelet filter

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JPH04336883A (ja) * 1991-05-14 1992-11-25 Konica Corp 撮像装置の自動焦点装置
JPH06138383A (ja) * 1992-10-27 1994-05-20 Ibiden Co Ltd 自動焦点カメラ
KR0179067B1 (ko) * 1994-02-25 1999-05-01 구자홍 비디오 포커싱 방식에서의 자동 포커싱장치 및 방법
JPH0915506A (ja) * 1995-04-28 1997-01-17 Hitachi Ltd 画像処理方法および装置
JPH08321985A (ja) * 1995-05-24 1996-12-03 Sanyo Electric Co Ltd オートフォーカスビデオカメラ
JPH09214988A (ja) * 1996-02-05 1997-08-15 Olympus Optical Co Ltd 静止画像撮像装置
JPH1074192A (ja) * 1996-08-30 1998-03-17 Mitsubishi Electric Corp 画像処理方法およびその装置
US6211515B1 (en) * 1998-10-19 2001-04-03 Raytheon Company Adaptive non-uniformity compensation using feedforward shunting and wavelet filter

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Publication number Priority date Publication date Assignee Title
KR101157791B1 (ko) * 2010-06-10 2012-06-19 주식회사 휴비츠 자동 포커싱 시스템을 구비한 광학 현미경

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Publication number Publication date
DE19983806B4 (de) 2004-04-01
DE19983806T1 (de) 2002-01-10
WO2000036551A1 (en) 2000-06-22
JP2002532761A (ja) 2002-10-02
TW493341B (en) 2002-07-01
GB2358978A (en) 2001-08-08
KR20010093824A (ko) 2001-10-29
AU1617300A (en) 2000-07-03
GB0113364D0 (en) 2001-07-25
US6151415A (en) 2000-11-21
GB2358978B (en) 2003-07-02

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