KR960014831B1 - 캠코더의 자동영상 안정화 장치 - Google Patents
캠코더의 자동영상 안정화 장치 Download PDFInfo
- Publication number
- KR960014831B1 KR960014831B1 KR1019920024913A KR920024913A KR960014831B1 KR 960014831 B1 KR960014831 B1 KR 960014831B1 KR 1019920024913 A KR1019920024913 A KR 1019920024913A KR 920024913 A KR920024913 A KR 920024913A KR 960014831 B1 KR960014831 B1 KR 960014831B1
- Authority
- KR
- South Korea
- Prior art keywords
- image
- motion
- representative point
- movement
- motion vector
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Studio Devices (AREA)
- Adjustment Of Camera Lenses (AREA)
- Image Analysis (AREA)
Abstract
Description
Claims (3)
- 입력되는 영상신호를 저장하는 기억수단과; 상기 기억수단에 저장된 영상신호를 기준으로 디지탈 줌밍을 수행하여 전체 영상에서 표시되는 영상부분을 선택하도록 하는 줌밍 처리수단과; 한 필드의 영상 데이타를 복수의 대표점 검출영역으로 나누고 상기 대표점 검출영역의 모든 점중에서 최대의 값을 갖는 대표점 선택하고, 상기 대표점을 움직임 벡터 검출영역의 중심점으로 하고 상기의 대표점과 다음 필드이 영상 데이타의 상기 움직임 벡터 검출영역의 대표점을 비교하여 움직임 벡터를 검출하는 움직임 벡터 검출수단과; 상기 움직임이 사용자의 손떨림인지 비디오 카메라의 이동인지를 복수의 움직임 벡터의 연속을 비교하여 결정하고, 상기 기억수단에 저장된 영상신호를 읽어내어 검출된 움직임이 사용자의 손떨림에 의한 것이라고 판단될때 줌밍 처리수단을 제어하여 이를 보상하도록 하는 제어수단을 포함하여 구성함을 특징으로 하는 캠코더의 자동영상 안정화 장치.
- 제1항에 있어서, 줌밍 처리수단은 디지탈 값으로 변환된 영상신호를 기억시키는 필드 메모리와, 상기 필드 메모리에 연결되어 움직임을 보상시키기 위한 영상부분만으로 전체화면에 출력되도록 디지탈 줌 처리를 하는 줌밍부를 포함하여 구성함을 특징으로 하는 캠코더의 자동영상 안정화 장치.
- 제1항에 있어서, 움직임 벡터 검출수단은 디지탈 변환된 영상신호의 노이즈를 제거하는 필터와, 상기 필터의 출력측에 접속되어 두 영역간의 에지를 검출하기 위해 마스크 처리를 하는 마스크 처리부와, 상기 마스크 처리부의 출력측에 접속되어 움직임 성분을 검출하기 위한 대표값을 결정하는 이전 대표점 검출부와, 상기 마스크 처리부와 이전 대표점 검출부의 상관관계를 계산하여 움직임 성분을 출력시키는 상관관계 계산부를 포함하여 구성함을 특징으로 하는 캠코더의 자동영상 안정화 장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019920024913A KR960014831B1 (ko) | 1992-12-21 | 1992-12-21 | 캠코더의 자동영상 안정화 장치 |
JP5322708A JPH0750771A (ja) | 1992-12-21 | 1993-12-21 | ビデオカメラの自動映像安定化装置 |
DE4343698A DE4343698C2 (de) | 1992-12-21 | 1993-12-21 | Bildstabilisierungssystem für eine Videokamera |
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 (ko) | 1992-12-21 | 1992-12-21 | 캠코더의 자동영상 안정화 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR940017740A KR940017740A (ko) | 1994-07-27 |
KR960014831B1 true KR960014831B1 (ko) | 1996-10-21 |
Family
ID=19346108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019920024913A Expired - Fee Related KR960014831B1 (ko) | 1992-12-21 | 1992-12-21 | 캠코더의 자동영상 안정화 장치 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPH0750771A (ko) |
KR (1) | KR960014831B1 (ko) |
DE (1) | DE4343698C2 (ko) |
GB (1) | GB2275842B (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100786926B1 (ko) * | 2000-03-15 | 2007-12-17 | 소니 가부시끼 가이샤 | 영상 기록 재생 장치 및 방법 |
US12293065B2 (en) | 2020-12-16 | 2025-05-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for adjusting interface display state, and electronic device |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08186756A (ja) * | 1994-12-28 | 1996-07-16 | Philips Japan Ltd | 手振れ検出装置 |
DE19536691B4 (de) * | 1995-09-30 | 2008-04-24 | Bts Holding International B.V. | Verfahren und Anordnung zur Korrektur von Bildstandsfehlern bei der fernsehmäßigen Filmabtastung |
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 (ko) * | 1995-12-28 | 1999-06-01 | 김광호 | 손떨림 영상 안정화 회로 |
JP2964971B2 (ja) * | 1997-01-24 | 1999-10-18 | 日本電気株式会社 | プルアップ回路及びプルダウン回路 |
DE19909627A1 (de) * | 1999-03-05 | 2000-09-07 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Bestimmung einer Verschiebung von Bildern einer Bildsequenz |
JP2004229002A (ja) * | 2003-01-23 | 2004-08-12 | Sony Corp | 撮像装置 |
ES2585214T3 (es) * | 2008-09-22 | 2016-10-04 | Freedom Scientific Inc. | Sistemas y métodos para formar imagen de objetos |
Family Cites Families (2)
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 (ja) * | 1991-11-05 | 1993-05-25 | Sanyo Electric Co Ltd | 手ブレ補正機能付きビデオカメラの画角補正回路 |
-
1992
- 1992-12-21 KR KR1019920024913A patent/KR960014831B1/ko not_active Expired - Fee Related
-
1993
- 1993-12-21 DE DE4343698A patent/DE4343698C2/de not_active Expired - Fee Related
- 1993-12-21 GB GB9326006A patent/GB2275842B/en not_active Expired - Fee Related
- 1993-12-21 JP JP5322708A patent/JPH0750771A/ja not_active Withdrawn
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100786926B1 (ko) * | 2000-03-15 | 2007-12-17 | 소니 가부시끼 가이샤 | 영상 기록 재생 장치 및 방법 |
US12293065B2 (en) | 2020-12-16 | 2025-05-06 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for adjusting interface display state, and electronic device |
Also Published As
Publication number | Publication date |
---|---|
DE4343698C2 (de) | 1995-07-27 |
GB2275842A (en) | 1994-09-07 |
JPH0750771A (ja) | 1995-02-21 |
DE4343698A1 (de) | 1994-06-23 |
GB2275842B (en) | 1996-11-20 |
GB9326006D0 (en) | 1994-02-23 |
KR940017740A (ko) | 1994-07-27 |
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