KR100940862B1 - 3차원 얼굴 애니메이션을 위한 헤드 모션 추적 방법 - Google Patents
3차원 얼굴 애니메이션을 위한 헤드 모션 추적 방법 Download PDFInfo
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- KR100940862B1 KR100940862B1 KR1020070132851A KR20070132851A KR100940862B1 KR 100940862 B1 KR100940862 B1 KR 100940862B1 KR 1020070132851 A KR1020070132851 A KR 1020070132851A KR 20070132851 A KR20070132851 A KR 20070132851A KR 100940862 B1 KR100940862 B1 KR 100940862B1
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- face image
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T13/00—Animation
- G06T13/20—3D [Three Dimensional] animation
- G06T13/40—3D [Three Dimensional] animation of characters, e.g. humans, animals or virtual beings
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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
-
- 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
- G06T7/251—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments involving models
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/20—Analysis of motion
- G06T7/277—Analysis of motion involving stochastic approaches, e.g. using Kalman filters
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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
- G06T2207/10016—Video; Image sequence
-
- 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
- G06T2207/30196—Human being; Person
- G06T2207/30201—Face
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/62—Extraction of image or video features relating to a temporal dimension, e.g. time-based feature extraction; Pattern tracking
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Processing Or Creating Images (AREA)
Abstract
Description
Claims (6)
- 3차원 얼굴 애니메이션을 위한 헤드 모션 추적 방법으로서,(a)하나의 비디오 카메라로부터 입력되는 얼굴 영상에 대해 3차원 모델을 상기 얼굴 영상에 맞추기 위한 상기 3차원 모델의 초기의 조인트 파라미터를 획득하는 단계와,(b)상기 조인트 파라미터를 이용하여 상기 3차원 모델의 실루엣을 생성하고, 상기 실루엣을 상기 얼굴 영상에 투영하는 단계와,(c)상기 3차원 모델의 실루엣의 투영으로 생성된 2차원 실루엣과 상기 얼굴 영상의 특징점으로 이루어진 2차원 실루엣이 일치되는 모션 파라미터를 추적하는 단계와,(d)상기 모션 파라미터를 이용하여 상기 얼굴 영상에 대한 3차원 헤드 모션을 생성하는 단계를 포함하는 3차원 얼굴 애니메이션을 위한 헤드 모션 추적 방법.
- 제 1 항에 있어서,상기 (c)단계에서 두 개의 상기 2차원 실루엣이 일치되지 않는 경우, (e)상기 2차원 실루엣간 텍스쳐 모션 보정을 반복적으로 수행하여 상기 2차원 실루엣이 일치되는 모션 파라미터를 추적하는 단계를 더 포함하는 것을 특징으로 하는 3차원 얼굴 애니메이션을 위한 헤드 모션 추적 방법.
- 제 1 항에 있어서,상기 (a)단계에서, 상기 3차원 모델과 상기 얼굴 영상의 특징점을 이용하여 상기 3차원 모델을 상기 얼굴 영상에 맞추기 위한 상기 3차원 모델의 초기의 조인트 파라미터를 획득하는 3차원 얼굴 애니메이션을 위한 헤드 모션 추적 방법.
- 삭제
- 제 1 항에 있어서,상기 (c)단계에서, 상기 얼굴 영상의 특징점은, 통계적 특징점 모델을 이용하여 상기 얼굴 영상의 표정 변화를 추적하여 얻는 3차원 얼굴 애니메이션을 위한 헤드 모션 추적 방법.
- 제 2 항에 있어서,상기 (e)단계에서, 상기 텍스쳐를 이용한 모션 보정은, 상기 얼굴 영상의 텍스쳐 맵을 생성하고, 상기 텍스쳐 맵을 이용하여 상기 얼굴 영상의 회전과 이동을 수행한 템플릿을 생성한 후, 상기 템플릿과 다음 입력되는 얼굴 영상의 텍스쳐 맵을 이용하여 상기 얼굴 영상간 모션 파라미터를 산출하는 것인 3차원 얼굴 애니메이션을 위한 헤드 모션 추적 방법.
Priority Applications (2)
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KR1020070132851A KR100940862B1 (ko) | 2007-12-17 | 2007-12-17 | 3차원 얼굴 애니메이션을 위한 헤드 모션 추적 방법 |
US12/314,859 US20090153569A1 (en) | 2007-12-17 | 2008-12-17 | Method for tracking head motion for 3D facial model animation from video stream |
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KR1020070132851A KR100940862B1 (ko) | 2007-12-17 | 2007-12-17 | 3차원 얼굴 애니메이션을 위한 헤드 모션 추적 방법 |
Publications (2)
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KR20090065351A KR20090065351A (ko) | 2009-06-22 |
KR100940862B1 true KR100940862B1 (ko) | 2010-02-09 |
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KR1020070132851A Expired - Fee Related KR100940862B1 (ko) | 2007-12-17 | 2007-12-17 | 3차원 얼굴 애니메이션을 위한 헤드 모션 추적 방법 |
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US (1) | US20090153569A1 (ko) |
KR (1) | KR100940862B1 (ko) |
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CN101895685B (zh) * | 2010-07-15 | 2012-07-25 | 杭州华银视讯科技有限公司 | 视频采集控制装置及其方法 |
WO2012167475A1 (zh) * | 2011-07-12 | 2012-12-13 | 华为技术有限公司 | 生成形体动画的方法及装置 |
US9236024B2 (en) | 2011-12-06 | 2016-01-12 | Glasses.Com Inc. | Systems and methods for obtaining a pupillary distance measurement using a mobile computing device |
US9104908B1 (en) * | 2012-05-22 | 2015-08-11 | Image Metrics Limited | Building systems for adaptive tracking of facial features across individuals and groups |
US9111134B1 (en) | 2012-05-22 | 2015-08-18 | Image Metrics Limited | Building systems for tracking facial features across individuals and groups |
US9286715B2 (en) | 2012-05-23 | 2016-03-15 | Glasses.Com Inc. | Systems and methods for adjusting a virtual try-on |
US9235929B2 (en) | 2012-05-23 | 2016-01-12 | Glasses.Com Inc. | Systems and methods for efficiently processing virtual 3-D data |
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CN103530900B (zh) * | 2012-07-05 | 2019-03-19 | 北京三星通信技术研究有限公司 | 三维人脸模型的建模方法、人脸跟踪方法以及设备 |
CN103870795A (zh) * | 2012-12-13 | 2014-06-18 | 北京捷成世纪科技股份有限公司 | 一种视频游动字幕的自动检测方法和装置 |
CN103606186B (zh) * | 2013-02-02 | 2016-03-30 | 浙江大学 | 一种图像与视频的虚拟发型建模方法 |
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CN105719248B (zh) * | 2016-01-14 | 2019-06-21 | 深圳市商汤科技有限公司 | 一种实时的人脸变形方法及其系统 |
CN106251389B (zh) * | 2016-08-01 | 2019-12-24 | 北京小小牛创意科技有限公司 | 制作动画的方法和装置 |
CN108805056B (zh) * | 2018-05-29 | 2021-10-08 | 电子科技大学 | 一种基于3d人脸模型的摄像监控人脸样本扩充方法 |
US10949649B2 (en) | 2019-02-22 | 2021-03-16 | Image Metrics, Ltd. | Real-time tracking of facial features in unconstrained video |
CN110163814B (zh) * | 2019-04-16 | 2024-09-20 | 平安科技(深圳)有限公司 | 基于人脸识别的修改图片的方法、装置和计算机设备 |
CN110533777B (zh) * | 2019-08-01 | 2020-09-15 | 北京达佳互联信息技术有限公司 | 三维人脸图像修正方法、装置、电子设备和存储介质 |
CN111553968B (zh) * | 2020-05-11 | 2022-05-24 | 青岛联合创智科技有限公司 | 一种三维人体重构动画的方法 |
CN113179376A (zh) * | 2021-04-29 | 2021-07-27 | 山东数字人科技股份有限公司 | 基于三维动画的视频对照方法、装置、设备及存储介质 |
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US20090153569A1 (en) | 2009-06-18 |
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