KR940017740A - Automatic Image Stabilizer for Camcorders - Google Patents

Automatic Image Stabilizer for Camcorders Download PDF

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Publication number
KR940017740A
KR940017740A KR1019920024913A KR920024913A KR940017740A KR 940017740 A KR940017740 A KR 940017740A KR 1019920024913 A KR1019920024913 A KR 1019920024913A KR 920024913 A KR920024913 A KR 920024913A KR 940017740 A KR940017740 A KR 940017740A
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KR
South Korea
Prior art keywords
motion vector
signal
detecting
memory
image
Prior art date
Application number
KR1019920024913A
Other languages
Korean (ko)
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KR960014831B1 (en
Inventor
정한
박호상
김영만
홍승표
김기원
Original Assignee
이헌조
주식회사 금성사
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Application filed by 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019920024913A priority Critical patent/KR960014831B1/en
Priority to JP5322708A priority patent/JPH0750771A/en
Priority to DE4343698A priority patent/DE4343698C2/en
Priority to GB9326006A priority patent/GB2275842B/en
Publication of KR940017740A publication Critical patent/KR940017740A/en
Application granted granted Critical
Publication of KR960014831B1 publication Critical patent/KR960014831B1/en

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    • 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
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/681—Motion detection
    • H04N23/6811—Motion detection based on the image signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • 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
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • 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
    • H04N23/68—Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
    • H04N23/682—Vibration or motion blur correction
    • H04N23/683—Vibration or motion blur correction performed by a processor, e.g. controlling the readout of an image memory

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Adjustment Of Camera Lenses (AREA)
  • Studio Devices (AREA)
  • Image Analysis (AREA)

Abstract

본 발명은 촬영시 손덜림에 의한 영상의 흔들림을 자동으로 보정하여 줄 수 있는 캠코더의 자동영상 안정화장치에 관한 것으로 영상신호를 디지탈 값으로 변환시키는 A/D 변환 수단과, 변환된 디지탈 영상신호를 기억시키는 메모리 수단과, 변환된 디지탈 신호의 노이즈를 제거하여 근접된 각각의 화소의 에지값을 검출하여 에지점의 최대점을 대표값으로 하여 움직임 벡터를 검출하는 움직임 벡터 검출수단과, 움직임 벡터 신호를 수신하여 손떨림에 의한 움직임 신호일 경우 메모리에 저장된 영상 디지탈 데이타를 보정하도록 제어하는 제어수단을 포함하여 이루어진다.The present invention relates to an automatic image stabilization apparatus of a camcorder capable of automatically correcting a shake of an image due to hand-taking during shooting, and an A / D conversion means for converting an image signal into a digital value, and a converted digital image signal. Memory means for storing, motion vector detection means for removing the noise of the converted digital signal, detecting the edge value of each adjacent pixel and detecting the motion vector using the maximum point of the edge point as a representative value, and the motion vector signal And control means for controlling to correct the image digital data stored in the memory in the case of a motion signal caused by hand shaking.

Description

캠코더의 자동 영상 안정화 장치Automatic Image Stabilizer for Camcorders

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제6도는 본 발명 자동영상 안정화 장치의 블럭도, 제7도는 본 발명에 따른 대표점 검출 영역과 움직임 벡터 검출을 위한 탐색 영역의 도면, 제8도는 본 발명에 따른 동작 흐름도.6 is a block diagram of the automatic image stabilization apparatus of the present invention, FIG. 7 is a diagram of a representative point detection region and a search region for motion vector detection according to the present invention, and FIG. 8 is an operation flowchart according to the present invention.

Claims (3)

입력되는 영상 신호를 디지탈값으로 변환시키는 A/D 변환 수단과, 상기 변환된 디지탈 영상신호를 기억시키고 줌밍 처리하는 메모리 및 줌밍 처리수단과, 상기 변환된 디지탈 영상 신호를 노이즈를 제거하여 근접된 각각의 화소의 에지값을 검출하여 에지점의 최대점을 대표값으로 하여 움직임 벡터를 검출하는 움직임 벡터 검출수단과, 상기 움직임 벡터 검출수단의 움직임 벡터 신호를 전달받아 손떨림에 의한 움직임인지 패닝에 의한 움직임인지 판정하여 손떨림에 의한 움직임 신호일때 상기 메모리 수단에 저장된 영상 디지탈 데이타를 보정하도록 제어하는 제어수단을 포함하여 구성함을 특징으로 하는 캠코더의 자동 영상 안정화 장치.A / D conversion means for converting an input video signal into a digital value, memory and zooming means for storing and zooming the converted digital video signal, and removing the noise from the converted digital video signal, respectively, in proximity to each other. Motion vector detection means for detecting a motion vector by detecting an edge value of a pixel of the pixel as a representative value, and a motion vector signal received from a motion vector signal received from the motion vector signal of the motion vector detection means; And control means for controlling the recognition to correct the image digital data stored in the memory means when the motion signal is caused by the shaking of the camera. 제1항에 있어서, 메모리 및 줌밍 처리 수단은 디지탈 값으로 변화된 영상 신호를 기억시키는 필드 메모리(31)와, 상기 필드 메모리(31)에 연결되어 움직임을 보상시키기 위한 영상부분만으로 전체 화면에 출력되도록 디지탈 줌 처리를 하는 줌밍부(32)를 포함하여 구성함을 특징으로 하는 캠코더의 자동 영상 안정화 장치.2. The memory and zooming means of claim 1, wherein the memory and the zooming processing means are connected to the field memory 31 for storing an image signal changed to a digital value, and to be output to the entire screen only with an image portion for compensating for movement. An automatic image stabilization apparatus for a camcorder comprising a zooming unit (32) for digital zoom processing. 제1항에 있어서, 움직임 벡터 검출 수단은 디지탈 변환된 영상신호의 노이즈를 제거하는 필터(33)와 필터(33)의 출력측에 접속되어 두 영역간의 에지를 검출하기 위한 마스크 처리를 하는 마스크 처리부(34)와, 마스크 처리부(34)의 출력측에 접속되어 움직임 성분을 검출하기 위한 대표값을 결정하는 이전 대표점 검출부(35)와, 상기 마스크 처리부(34)와 이전 대표점 검출부(35)와 상관 관게를 계산하여 움직임 성분을 출력시키는 상관 관계계산부(36)를 포함하여 구성함을 특징으로 하는 캠코더의 자동 영상 안정화 장치.2. The mask processing unit according to claim 1, wherein the motion vector detecting means is connected to a filter 33 for removing noise of the digitally converted video signal and to an output side of the filter 33 to perform mask processing for detecting an edge between two regions ( 34 and a previous representative point detector 35 connected to the output side of the mask processor 34 to determine a representative value for detecting the motion component, and correlated with the mask processor 34 and the previous representative point detector 35. And a correlation calculator (36) for calculating a relation and outputting a motion component. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920024913A 1992-12-21 1992-12-21 Auto-image stabilization device of camcoder KR960014831B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1019920024913A KR960014831B1 (en) 1992-12-21 1992-12-21 Auto-image stabilization device of camcoder
JP5322708A JPH0750771A (en) 1992-12-21 1993-12-21 Automatic image stabilization device of video camera
DE4343698A DE4343698C2 (en) 1992-12-21 1993-12-21 Image stabilization system for a video camera
GB9326006A GB2275842B (en) 1992-12-21 1993-12-21 Automatic image stabilizing system for a camcorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920024913A KR960014831B1 (en) 1992-12-21 1992-12-21 Auto-image stabilization device of camcoder

Publications (2)

Publication Number Publication Date
KR940017740A true KR940017740A (en) 1994-07-27
KR960014831B1 KR960014831B1 (en) 1996-10-21

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KR1019920024913A KR960014831B1 (en) 1992-12-21 1992-12-21 Auto-image stabilization device of camcoder

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JP (1) JPH0750771A (en)
KR (1) KR960014831B1 (en)
DE (1) DE4343698C2 (en)
GB (1) GB2275842B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08186756A (en) * 1994-12-28 1996-07-16 Philips Japan Ltd Camera shake detector
DE19536691B4 (en) * 1995-09-30 2008-04-24 Bts Holding International B.V. Method and device for correcting image frame errors in television filming
GB2307133A (en) * 1995-11-13 1997-05-14 Secr Defence Video camera image stabilisation system
GB2307371B (en) * 1995-11-13 1997-10-01 Secr Defence Image stabilisation system
KR100188116B1 (en) * 1995-12-28 1999-06-01 김광호 Image stabilization circuit
JP2964971B2 (en) * 1997-01-24 1999-10-18 日本電気株式会社 Pull-up circuit and pull-down circuit
DE19909627A1 (en) * 1999-03-05 2000-09-07 Bosch Gmbh Robert Method and device for determining a shift of images of an image sequence
JP2001268521A (en) * 2000-03-15 2001-09-28 Sony Corp Video recording and reproducing device and method
JP2004229002A (en) * 2003-01-23 2004-08-12 Sony Corp Image pickup device
JP5499039B2 (en) * 2008-09-22 2014-05-21 フリーダム サイエンティフィック インコーポレイテッド System and method for imaging an object

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2220319B (en) * 1988-07-01 1992-11-04 Plessey Co Plc Improvements in or relating to image stabilisation
JPH05130484A (en) * 1991-11-05 1993-05-25 Sanyo Electric Co Ltd Field angle correction circuit for video camera with hand blur correction function

Also Published As

Publication number Publication date
GB2275842A (en) 1994-09-07
DE4343698C2 (en) 1995-07-27
KR960014831B1 (en) 1996-10-21
GB2275842B (en) 1996-11-20
JPH0750771A (en) 1995-02-21
GB9326006D0 (en) 1994-02-23
DE4343698A1 (en) 1994-06-23

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