KR20070057997A - 컴퓨터 그래픽 애니메이션용 안면 근육 및 눈 움직임 추적시스템 및 방법 - Google Patents
컴퓨터 그래픽 애니메이션용 안면 근육 및 눈 움직임 추적시스템 및 방법 Download PDFInfo
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- G—PHYSICS
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- G06T13/40—3D [Three Dimensional] animation of characters, e.g. humans, animals or virtual beings
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/1113—Local tracking of patients, e.g. in a hospital or private home
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
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- G06F3/013—Eye tracking input arrangements
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- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/04—Arrangements of multiple sensors of the same type
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- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
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Abstract
Description
Claims (16)
- 움직임 추적 애니메이션(motion tracking animation) 시스템으로서,행위자의 피부면의 각 근육들에 대응하는 복수의 위치에 부착된 복수의 근전도(electromyography: EMG) 전극 쌍; 및상기 복수의 EMG 전극 쌍에 연동(operatively) 결합된 프로세서를 포함하며,상기 프로세서는상기 복수의 EMG 전극 쌍으로부터 EMG 데이터를 획득하는 단계 - 상기 EMG 데이터는 상기 행위자가 행동하는 동안의 근육 움직임에 대응하는 전기적 신호를 포함함 -;상기 근육 움직임의 디지털 모델을 제공하기 위해 상기 EMG 데이터를 처리하는 단계; 및상기 디지털 모델을 애니메이트된 캐릭터(animated character)로 매핑하는 단계 - 상기 애니메이트된 캐릭터는 행위자와 동일한 근육 움직임을 보이게 됨 -를 수행하기 위한 프로그래밍 명령어들을 포함하는, 움직임 추적 애니메이션 시스템.
- 제1항에 있어서,상기 처리하는 단계는 상기 처리된 EMG 데이터에 부분적으로 기초하여 캘리브레이션 포즈 집합(set of calibration poses)을 생성하는 단계를 더 포함하는, 시스템.
- 제1항에 있어서,상기 획득하는 단계는 상기 전기적 신호를 정류하거나 필터링하거나 또는 정류 및 필터링 모두를 수행하는 단계를 더 포함하는, 시스템.
- 제1항에 있어서,상기 프로세서는 컴퓨터 그래픽 애니메이션 프로세서를 더 포함하는, 시스템.
- 제1항에 있어서,상기 복수의 EMG 전극들에 결합된 전극 인터페이스를 더 포함하고, 상기 전극 인터페이스는 상기 프로세서에 합성(composite) 신호를 제공하는, 시스템.
- 제5항에 있어서,상기 전극 인터페이스는 상기 행위자의 신체에 지니도록 되어있는, 시스템.
- 제5항에 있어서,상기 전극 인터페이스는 상기 행위자의 신체에 지니도록 되어있는, 시스템.
- 제5항에 있어서,상기 전극 인터페이스는 상기 프로세서로의 무선 접속부를 갖는, 시스템.
- 제1항에 있어서,상기 행위자의 눈에 인접한 위치에서 상기 행위자의 피부면에 부착되도록 된 복수의 전기안구도(electrooculogram; EOG) 전극 쌍을 더 포함하고, 상기 프로세서는 상기 복수의 EOG 전극 쌍에 연동 결합되며,상기 프로세서는상기 복수의 EOG 전극 쌍으로부터 EOG 데이터를 획득하는 단계 - 상기 EOG 데이터는 상기 행위자가 행동하는 동안의 눈 움직임에 대응하는 전기적 신호를 포함함 -;상기 EOG 데이터를 처리하는 단계; 및상기 처리된 EOG 데이터를 상기 애니메이트된 캐릭터로 매핑하는 단계 - 상기 애니메이트된 캐릭터는 상기 행위자와 동일한 눈 움직임을 보이게 됨 -를 수행하기 위한 프로그래밍 명령어들을 포함하는, 시스템.
- 제9항에 있어서,상기 EOG 전극들은 눈 움직임에 의해 만들어진 전기장 변화를 검출하는, 시 스템.
- 움직임 추적을 이용한 애니메이팅(animating) 방법으로서,행위자의 피부면의 각 근육에 대응하는 복수의 위치에 복수의 근전도(EMG) 전극 쌍을 부착시키는 단계;상기 복수의 EMG 전극 쌍으로부터 EMG 데이터를 획득하는 단계 - 상기 EMG 데이터는 상기 행위자가 행동하는 동안의 근육 움직임에 대응하는 전기적 신호를 포함함 -;상기 근육 움직임의 디지털 모델을 제공하기 위해 상기 EMG 데이터를 처리하는 단계; 및상기 디지털 모델을 애니메이트된 캐릭터로 매핑하는 단계 - 상기 애니메이트된 캐릭터는 상기 행위자와 동일한 근육 움직임을 보이게 됨 -를 포함하는, 움직임 추적을 이용한 애니메이팅 방법.
- 제11항에 있어서,상기 처리하는 단계는 상기 처리된 EMG 데이터에 부분적으로 기초하여 캘리브레이션 포즈 집합을 생성하는 단계를 더 포함하는, 방법.
- 제11항에 있어서,상기 획득하는 단계는 상기 전기적 신호를 정류하거나 필터링하거나 또는 정 류 및 필터링 모두를 수행하는 단계를 더 포함하는, 방법.
- 제11항에 있어서,상기 복수의 EMG 전극에 연동 결합된 전극 인터페이스를 상기 행위자의 신체에 지니게 하는 단계를 더 포함하는, 방법.
- 제11항에 있어서,상기 행위자의 피부면의 상기 행위자의 눈에 인접한 위치들에 복수의 전기안구도(EOG) 전극 쌍을 부착하는 단계를 더 포함하는, 방법.
- 제15항에 있어서,상기 복수의 EOG 전극 쌍으로부터 EOG 데이터를 획득하는 단계 - 상기 EOG 데이터는 상기 행위자가 행동하는 동안의 눈 움직임에 대응하는 전기적 신호를 포함함 -;상기 EOG 데이터를 처리하는 단계; 및상기 처리된 EOG 데이터를 상기 애니메이트된 캐릭터로 매핑하는 단계 - 상기 애니메이트된 캐릭터는 상기 행위자와 동일한 눈 움직임을 보이게 됨 -를 더 포함하는, 방법.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
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US61526804P | 2004-10-01 | 2004-10-01 | |
US60/615,268 | 2004-10-01 | ||
US61604904P | 2004-10-04 | 2004-10-04 | |
US60/616,049 | 2004-10-04 | ||
US10/984,488 US7554549B2 (en) | 2004-10-01 | 2004-11-08 | System and method for tracking facial muscle and eye motion for computer graphics animation |
US10/984,488 | 2004-11-08 |
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KR20070057997A true KR20070057997A (ko) | 2007-06-07 |
KR100917486B1 KR100917486B1 (ko) | 2009-09-16 |
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US (1) | US7554549B2 (ko) |
EP (1) | EP1797537B1 (ko) |
JP (2) | JP5047798B2 (ko) |
KR (1) | KR100917486B1 (ko) |
AU (1) | AU2005291927B2 (ko) |
CA (1) | CA2582451C (ko) |
NZ (1) | NZ554589A (ko) |
WO (1) | WO2006039497A2 (ko) |
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KR101633057B1 (ko) * | 2015-04-22 | 2016-06-23 | 재단법인 실감교류인체감응솔루션연구단 | 헤드 마운트 디스플레이 시스템을 위한 얼굴 모션 캡쳐 방법 |
KR20200119546A (ko) * | 2019-04-10 | 2020-10-20 | 한양대학교 산학협력단 | 전자 장치, 아바타 얼굴 표정 표시 시스템 및 제어 방법 |
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JP5047798B2 (ja) | 2012-10-10 |
JP2011108281A (ja) | 2011-06-02 |
JP5662203B2 (ja) | 2015-01-28 |
AU2005291927B2 (en) | 2009-11-12 |
EP1797537B1 (en) | 2016-08-24 |
NZ554589A (en) | 2010-09-30 |
AU2005291927A1 (en) | 2006-04-13 |
EP1797537A4 (en) | 2011-10-26 |
CA2582451A1 (en) | 2006-04-13 |
EP1797537A2 (en) | 2007-06-20 |
KR100917486B1 (ko) | 2009-09-16 |
CA2582451C (en) | 2012-03-06 |
US7554549B2 (en) | 2009-06-30 |
WO2006039497A2 (en) | 2006-04-13 |
JP2008515113A (ja) | 2008-05-08 |
WO2006039497A3 (en) | 2007-04-05 |
US20060071934A1 (en) | 2006-04-06 |
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