KR100532990B1 - 카메라의 움직임 검출 방법 - Google Patents
카메라의 움직임 검출 방법 Download PDFInfo
- Publication number
- KR100532990B1 KR100532990B1 KR10-1999-0000266A KR19990000266A KR100532990B1 KR 100532990 B1 KR100532990 B1 KR 100532990B1 KR 19990000266 A KR19990000266 A KR 19990000266A KR 100532990 B1 KR100532990 B1 KR 100532990B1
- Authority
- KR
- South Korea
- Prior art keywords
- frame
- motion
- camera
- difference
- absolute value
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 8
- 238000005070 sampling Methods 0.000 claims abstract description 6
- 230000035945 sensitivity Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 7
- 230000006870 function Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
- G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
- G08B13/19604—Image analysis to detect motion of the intruder, e.g. by frame subtraction involving reference image or background adaptation with time to compensate for changing conditions, e.g. reference image update on detection of light level change
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
Description
Claims (3)
- 매 프레임마다 소정 크기로 샘플링하는 제1 단계와, 상기에서 샘플링된 각 프레임마다 화소간 편차를 구하는 제2 단계와, 상기에서 현재 프레임과 이전 프레임에 대해 구한 화소간 편차를 서로 비교하여 그 차의 절대값을 산출하는 제3 단계와, 상기에서 구한 절대값이 기준값보다 크면 움직임으로 인식하는 제4 단계와, 상기에서 움직임이 인식된 위치가 소정개 이상이면 현재 프레임에 움직임이 있는 것으로 판단하는 제5 단계를 반복 수행함을 특징으로 하는 카메라의 움직임 검출 방법.
- 제1항에 있어서, 움직임이 있는 프레임만을 저장하는 단계를 더 포함하는 것을 특징으로 하는 카메라의 움직임 검출 방법.
- 제1항에 있어서, 기준값을 주변 조건에 따라 임의로 가변하여 움직임에 대한 민감도를 조정하는 단계를 더 포함하는 것을 특징으로 카메라의 움직임 검출 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0000266A KR100532990B1 (ko) | 1999-01-08 | 1999-01-08 | 카메라의 움직임 검출 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-1999-0000266A KR100532990B1 (ko) | 1999-01-08 | 1999-01-08 | 카메라의 움직임 검출 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000050405A KR20000050405A (ko) | 2000-08-05 |
KR100532990B1 true KR100532990B1 (ko) | 2005-12-02 |
Family
ID=19570838
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-1999-0000266A KR100532990B1 (ko) | 1999-01-08 | 1999-01-08 | 카메라의 움직임 검출 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100532990B1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100808786B1 (ko) * | 2000-09-06 | 2008-03-07 | 주식회사 케이티 | 다중채널/다중레벨을 이용한 동작감지 장치 및 그 방법 |
KR100455294B1 (ko) * | 2002-12-06 | 2004-11-06 | 삼성전자주식회사 | 감시 시스템에서의 사용자 검출 방법, 움직임 검출 방법및 사용자 검출 장치 |
KR100717861B1 (ko) * | 2006-01-06 | 2007-05-14 | 엘지전자 주식회사 | 카메라 영상을 이용한 움직임 검출 방법 및 장치 |
FR2903331B1 (fr) | 2006-07-07 | 2008-10-10 | Oreal | Generateur pour exciter un transducteur piezoelectrique |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04345394A (ja) * | 1991-05-23 | 1992-12-01 | Sony Corp | テレビジョン信号の動き検出装置 |
JPH08241414A (ja) * | 1995-03-07 | 1996-09-17 | Matsushita Electric Ind Co Ltd | 動物体検出・追跡装置と閾値決定装置 |
JPH10210421A (ja) * | 1997-01-23 | 1998-08-07 | Sharp Corp | 画像の動き検出装置及び方法 |
JPH10327401A (ja) * | 1997-05-22 | 1998-12-08 | Hitachi Ltd | 動きベクトル検出方法及びそれを用いた画像信号の符号化方法及び装置 |
KR19990031413A (ko) * | 1997-10-10 | 1999-05-06 | 윤종용 | 그래디언트 패턴 정합에 의한 영상 움직임 검출장치 및 그 방법 |
-
1999
- 1999-01-08 KR KR10-1999-0000266A patent/KR100532990B1/ko not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04345394A (ja) * | 1991-05-23 | 1992-12-01 | Sony Corp | テレビジョン信号の動き検出装置 |
JPH08241414A (ja) * | 1995-03-07 | 1996-09-17 | Matsushita Electric Ind Co Ltd | 動物体検出・追跡装置と閾値決定装置 |
JPH10210421A (ja) * | 1997-01-23 | 1998-08-07 | Sharp Corp | 画像の動き検出装置及び方法 |
JPH10327401A (ja) * | 1997-05-22 | 1998-12-08 | Hitachi Ltd | 動きベクトル検出方法及びそれを用いた画像信号の符号化方法及び装置 |
KR19990031413A (ko) * | 1997-10-10 | 1999-05-06 | 윤종용 | 그래디언트 패턴 정합에 의한 영상 움직임 검출장치 및 그 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20000050405A (ko) | 2000-08-05 |
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