KR100869497B1 - 계층적 움직임 추정방법 및 이를 적용한 초음파 영상장치 - Google Patents
계층적 움직임 추정방법 및 이를 적용한 초음파 영상장치 Download PDFInfo
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- KR100869497B1 KR100869497B1 KR1020050058972A KR20050058972A KR100869497B1 KR 100869497 B1 KR100869497 B1 KR 100869497B1 KR 1020050058972 A KR1020050058972 A KR 1020050058972A KR 20050058972 A KR20050058972 A KR 20050058972A KR 100869497 B1 KR100869497 B1 KR 100869497B1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/207—Analysis of motion for motion estimation over a hierarchy of resolutions
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/215—Motion-based segmentation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/30—Determination of transform parameters for the alignment of images, i.e. image registration
- G06T7/33—Determination of transform parameters for the alignment of images, i.e. image registration using feature-based methods
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52053—Display arrangements
- G01S7/52057—Cathode ray tube displays
- G01S7/5206—Two-dimensional coordinated display of distance and direction; B-scan display
- G01S7/52065—Compound scan display, e.g. panoramic imaging
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10132—Ultrasound image
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
- G06T2207/30088—Skin; Dermal
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Abstract
Description
Claims (10)
- a) 제1 입력영상을 적어도 하나 이상의 계층적인 다중 레벨 해상도를 가지는 영상으로 분할하는 단계;b) 제2 입력영상을 적어도 하나 이상의 계층적인 다중 레벨 해상도를 가지는 영상으로 분할하는 단계;c) 상기 제2 입력영상으로부터 분할된 상기 다중 레벨 해상도의 영상중 하나를 선택하는 단계;d) 상기 선택된 영상을 적어도 하나 이상의 움직임 추정영역으로 분할하는 단계;e) 상기 움직임 추정영역의 특징점을 추출하는 단계;f) 상기 추출된 특징점을 중심으로 블록을 배치하는 단계;g) 상기 제2 입력영상과 상기 제1 입력영상을 정합하여 상기 블록의 국소 움직임을 추정하는 단계; 및h) 상기 추정된 국소 움직임을 이용하여 상기 움직임 추정 영역의 전역 움직임을 예측하는 단계를 포함하는 계층적 움직임 추정 방법.
- 제 1 항에 있어서, 상기 단계 f)는상기 블록을 서로 중첩되지 않도록 이격시켜 배치하는 단계를 포함하는 계층적 움직임 추정방법.
- 제 1 항에 있어서,상기 특징점을 가장 낮은 해상도를 가지는 영상에서 추출하는 계층적 움직임 추정방법.
- 제 1 항에 있어서,상기 입력 영상은 초음파 영상인 계층적 움직임 추정방법.
- 제 1 항에 있어서,상기 제1 및 제2 입력영상은 시간적으로 인접하는 영상인 계층적 움직임 추정방법.
- 제1 입력영상을 적어도 하나 이상의 계층적인 다중 레벨 해상도를 가지는 영상으로 분할하고, 제2 입력영상을 적어도 하나 이상의 계층적인 다중 레벨 해상도를 가지는 영상으로 분할하도록 작동되는 영상 분할수단과,상기 제2 입력영상으로부터 분할된 상기 다중 레벨 해상도의 영상중 하나를 선택하고, 상기 선택된 영상을 적어도 하나 이상의 움직임 추정영역으로 분할하며, 상기 움직임 추정영역의 특징점을 추출하도록 작동되는 특징점 추출수단과,상기 추출된 특징점을 중심으로 블록을 배치하도록 작동되는 블록 배치수단과,상기 제2 입력영상과 상기 제1 입력영상을 정합하여 상기 블록의 국소 움직임을 추정하고, 상기 추정된 국소 움직임을 이용하여 상기 움직임 추정 영역의 전역 움직임을 예측하는 움직임 예측수단을 포함하는 초음파 영상장치.
- 제 8 항에 있어서, 상기 블록 배치수단은 상기 블록을 서로 중첩되지 않도록 이격시켜 배치하도록 작동되는 초음파 영상장치.
- 삭제
Priority Applications (4)
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KR1020050058972A KR100869497B1 (ko) | 2005-07-01 | 2005-07-01 | 계층적 움직임 추정방법 및 이를 적용한 초음파 영상장치 |
EP06013450A EP1739623A1 (en) | 2005-07-01 | 2006-06-29 | Hierarchical motion estimation method and ultrasound imaging system using the same |
JP2006182400A JP2007007426A (ja) | 2005-07-01 | 2006-06-30 | 階層的な動き推定方法及びこれを適用した超音波映像装置 |
US11/477,653 US20070036408A1 (en) | 2005-07-01 | 2006-06-30 | Hierarchical motion estimation method and ultrasound imaging system using the same |
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KR1020050058972A KR100869497B1 (ko) | 2005-07-01 | 2005-07-01 | 계층적 움직임 추정방법 및 이를 적용한 초음파 영상장치 |
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KR100869497B1 true KR100869497B1 (ko) | 2008-11-21 |
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US (1) | US20070036408A1 (ko) |
EP (1) | EP1739623A1 (ko) |
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KR (1) | KR100869497B1 (ko) |
Cited By (1)
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US10210653B2 (en) | 2011-08-09 | 2019-02-19 | Samsung Electronics Co., Ltd. | Method and apparatus to generate a volume-panorama image |
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JP5139716B2 (ja) * | 2007-05-16 | 2013-02-06 | キヤノン株式会社 | 画像検索装置及び画像検索方法 |
JP5002397B2 (ja) | 2007-09-28 | 2012-08-15 | 株式会社東芝 | 超音波診断装置及びプログラム |
KR100946710B1 (ko) * | 2007-10-24 | 2010-03-12 | 주식회사 메디슨 | 초음파 영상 처리 시스템 및 방법 |
JP4497216B2 (ja) * | 2008-03-03 | 2010-07-07 | ソニー株式会社 | 画像処理装置、画像処理方法およびコンピュータプログラム |
KR20100000671A (ko) * | 2008-06-25 | 2010-01-06 | 삼성전자주식회사 | 영상 처리 방법 |
KR20100026334A (ko) * | 2008-08-29 | 2010-03-10 | 김진우 | 모델 주위를 비행하는 비행체의 비행 시스템과 비행 제어방법 및 그 비행시스템의 관제시스템 |
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KR101140934B1 (ko) * | 2010-08-05 | 2012-05-03 | 삼성전기주식회사 | 초음파 영상의 음속도 추정 방법 및 이를 적용한 초음파 진단 장치 |
KR101232021B1 (ko) * | 2010-11-29 | 2013-02-08 | 삼성메디슨 주식회사 | 움직임 추정에 기초하여 프레임 평균 처리를 수행하는 초음파 시스템 및 방법 |
TWI506595B (zh) | 2011-01-11 | 2015-11-01 | Altek Corp | 全景影像產生方法及裝置 |
TWI446897B (zh) * | 2011-08-19 | 2014-08-01 | Ind Tech Res Inst | 超音波影像對齊裝置及其方法 |
US9305362B1 (en) * | 2014-02-28 | 2016-04-05 | Xilinx, Inc. | Image stabilization |
KR101550665B1 (ko) | 2014-03-27 | 2015-09-07 | 서강대학교산학협력단 | 최적 계층적 블록 매칭 방법 및 시스템, 이를 이용한 영상 정합 방법 및 영상 압축 방법 |
CN105872310B (zh) * | 2016-04-20 | 2020-03-17 | 上海联影医疗科技有限公司 | 可移动成像设备的图像运动检测方法及图像降噪方法 |
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2006
- 2006-06-29 EP EP06013450A patent/EP1739623A1/en not_active Withdrawn
- 2006-06-30 US US11/477,653 patent/US20070036408A1/en not_active Abandoned
- 2006-06-30 JP JP2006182400A patent/JP2007007426A/ja active Pending
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EP1739623A1 (en) | 2007-01-03 |
US20070036408A1 (en) | 2007-02-15 |
KR20070003206A (ko) | 2007-01-05 |
JP2007007426A (ja) | 2007-01-18 |
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