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Video Rewrite

Christoph Bregler, Michele Covell, Malcolm Slaney
1997 Proceedings of the 24th annual conference on Computer graphics and interactive techniques - SIGGRAPH '97  
Video Rewrite uses existing footage to create automatically new video of a person mouthing words that she did not speak in the original footage.  ...  This stitching process automatically corrects for differences in head position and orientation between the mouth images and the background footage.  ...  Instead, we use computer-vision techniques to label the face and to identify the mouth and its shape. A major hurdle to automatic annotation is the low resolution of the images.  ... 
doi:10.1145/258734.258880 dblp:conf/siggraph/BreglerCS97 fatcat:utuahpcmfrcahd66u5tohyda34

Human Vocal Tract Analysis by in Vivo 3D MRI during Phonation: A Complete System for Imaging, Quantitative Modeling, and Speech Synthesis [chapter]

Axel Wismueller, Johannes Behrends, Phil Hoole, Gerda L. Leinsinger, Maximilian F. Reiser, Per-Lennart Westesson
2008 Lecture Notes in Computer Science  
We present a complete system for image-based 3D vocal tract analysis ranging from MR image acquisition during phonation, semi-automatic image processing, quantitative modeling including model-based speech  ...  For quantitative analysis, recorded and synthesized phonemes were compared, where area functions extracted from 2D midsagittal slices were used as a reference.  ...  In this work, we present a complete system for image-based vocal tract analysis ranging from MR image acquisition during phonation, semi-automatic image processing, quantitative modeling including model-based  ... 
doi:10.1007/978-3-540-85990-1_37 fatcat:napot73otnfxtpjst3apnn45qq

Aging phenomics enabled by quantitative imaging analysis

Weiyang Chen, Jing-Dong J. Han
2015 OncoTarget  
These phenotypic data demonstrate yet another significant advantage of the WormFarm culturing and imaging system, that is, automatic, simultaneous and quantitative analysis of Editorial  ...  phenotypes, such as worm size, length, width, motility, shape and content density.  ...  These phenotypic data demonstrate yet another significant advantage of the WormFarm culturing and imaging system, that is, automatic, simultaneous and quantitative analysis of Editorial multiple aging-related  ... 
doi:10.18632/oncotarget.4566 pmid:26164083 pmcid:PMC4627258 fatcat:ks53mrgnargopc2yzzdxtdqcfi

Robust Statistical Estimation Applied to Automatic Lip Segmentation [chapter]

B. Goswami, W. Christmas, J. Kittler
2009 Lecture Notes in Computer Science  
Automatic lip segmentation is an indispensable pre-requisite in face-video applications that make use of the mouth-region.  ...  It uses a robust statistical estimator to identify the different regions in the image and then performs post-processing based on cluster colour and shape to identify the lip region.  ...  Following dimensionality reduction using Principal Components Analysis, this model is then used to generate a series of mouth shape estimates.  ... 
doi:10.1007/978-3-642-02172-5_27 fatcat:z34vxpuhlzhi3m6shi46ffndzu

An Automatic Approach for 3-D Facial Shape Change Analysis by Combination of ASM and Morphometric Tools [chapter]

Z. Mao, A. J. Naftel
1999 Lecture Notes in Computer Science  
This paper presents a new approach for automatic facial shape change analysis by combining a stereo-assisted active shape model (ASM) with morphometric tools.  ...  Morphometric techniques such as generalized Procrustes analysis, principal component analysis and thin plate spline decomposition are then reviewed and applied to the quantitative analysis of shape changes  ...  In this paper, we present a new approach for automatic 3-D facial shape change analysis by combining 2-D active shape models (ASM) [6] with stereo disparity analysis for the automatic extraction of 3  ... 
doi:10.1007/10704282_44 fatcat:qokq5qajhncyhpxm5zjpey54ja

Quantitative analysis of the mouth opening movement of temporomandibular joint disorder patients according to disc position using computer vision: a pilot study

Kug Jin Jeon, Young Hyun Kim, Eun-Gyu Ha, Han Seung Choi, Hyung-Joon Ahn, Jeong Ryong Lee, Dosik Hwang, Sang-Sun Han
2021 Quantitative Imaging in Medicine and Surgery  
of the tracing results for detected landmarks and an automatically calculated graph height (mouth opening length) and width (sideways values).  ...  It presented objective and quantitative information about different trajectories from those associated with a normal disc position in mouth opening and closing movements.  ...  The second step was designed to provide the visual and quantitative information necessary for analysis using automatically detected landmarks.  ... 
doi:10.21037/qims-21-629 pmid:35284273 pmcid:PMC8899952 fatcat:lwfbdqveq5cbzh72c2rm5yhove

Spotting the Details: The Various Facets of Facial Expressions

Carl Martin Grewe, Gabriel Le Roux, Sven-Kristofer Pilz, Stefan Zachow
2018 2018 13th IEEE International Conference on Automatic Face & Gesture Recognition (FG 2018)  
Various characteristic shape patterns are identified for each expression. The results of our analysis give rise to a new facial expression code.  ...  This expression code can be used, for instance, as a feature in automatic facial expression recognition.  ...  The FACS and the six basic expressions have become the de facto standard for applications working with quantitative analysis of expressions.  ... 
doi:10.1109/fg.2018.00049 dblp:conf/fgr/GreweRPZ18 fatcat:vj3yxyn2azg25gxydekwxsf2yu

Visualization of a Fish Behavior using Successive Three-Dimensional Shape Modeling

Junta Doi, Tetsuo Miyake
2000 Journal of Computing and Information Technology  
This procedure is entirely automatic requiring no manual operation and appears to have some considerable utility in tracking and measurement of moving objects.  ...  Visualization of a three-dimensional fish behavior based on the successive feature extraction using the time sequential three-dimensional shape modeling is reported.  ...  From the image acquisition for the threedimensional shape approximation to the feature extraction for the behavior analysis, the process is carried out automatically without manual operation.  ... 
doi:10.2498/cit.2000.04.04 fatcat:i5nc3r2q4nbhxmu7buvz26c7xu

Interpreting Hand-Over-Face Gestures [chapter]

Marwa Mahmoud, Peter Robinson
2011 Lecture Notes in Computer Science  
We define three hand cues for encoding hand-over-face gestures, namely hand shape, hand action and facial region occluded, serving as a first step in automating the interpretation process.  ...  We analyse hand-over-face gestures in a corpus of naturalistic labelled expressions and propose the use of those gestures as a novel affect cue for automatic inference of cognitive mental states.  ...  Although they suggest that different positions and actions of the hand occluding the face can imply different affective states, no quantitative analysis has been carried out.  ... 
doi:10.1007/978-3-642-24571-8_27 fatcat:offjpxz7pbapng7mmseblxlnka

A New 3-Dimensional Dynamic Quantitative Analysis System of Facial Motion: An Establishment and Reliability Test

Guodong Feng, Yang Zhao, Xu Tian, Zhiqiang Gao, Rongrong Ji
2014 PLoS ONE  
The system could automatically reconstruct the motion of the observational points. Standardized T-shaped rod and L-shaped rods were used to evaluate the static and dynamic accuracy of the system.  ...  This study aimed to establish a 3-dimensional dynamic quantitative facial motion analysis system, and then determine its accuracy and test-retest reliability.  ...  analysis of facial motion.  ... 
doi:10.1371/journal.pone.0113115 pmid:25390881 pmcid:PMC4229263 fatcat:kzvocj7gwbdjxpyges3sjlufhu

Automatic Facial Paralysis Assessment via Computational Image Analysis

Chaoqun Jiang, Jianhuang Wu, Weizheng Zhong, Mingqiang Wei, Jing Tong, Haibo Yu, Ling Wang
2020 Journal of Healthcare Engineering  
In this paper, we propose an efficient yet objective facial paralysis assessment approach via automatic computational image analysis.  ...  ., the House–Brackmann (HB) grading system, which highly depends on the skilled clinicians and lacks an automatic quantitative assessment.  ...  Conclusion In this paper, we have proposed a novel computational image analysis approach to automatically and quantitatively assess the facial paralysis.  ... 
doi:10.1155/2020/2398542 pmid:32089812 pmcid:PMC7031725 fatcat:abtwksb25jbu7gtp4asybopnf4

A Smartphone-Based Automatic Diagnosis System for Facial Nerve Palsy

Hyun Kim, So Kim, Young Kim, Kwang Park
2015 Sensors  
A quantitative and reliable assessment system for facial nerve palsy is required for both patients and clinicians.  ...  In this study, we propose a rapid and portable smartphone-based automatic diagnosis system that discriminates facial nerve palsy from normal subjects.  ...  Kwang Suk Park contributed to experimental procedure and data analysis, and revised the manuscript. All authors contributed to the manuscript.  ... 
doi:10.3390/s151026756 pmid:26506352 pmcid:PMC4634507 fatcat:mjvzboyfdfbflaq3wdkh5m2umm

Adaptive mouth segmentation using chromatic features

Simon Lucey, Sridha Sridharan, Vinod Chandran
2002 Pattern Recognition Letters  
The automatic segmentation of the mouth from its facial background is a very difficult computer vision problem due to the low grayscale distinction between classes.  ...  Recently chromatic based segmentation has enjoyed some popularity for the purposes of mouth tracking due to its ability to distinguish between the two classes.  ...  after the automatic clustering process.  ... 
doi:10.1016/s0167-8655(02)00078-8 fatcat:pgyck2fpafadbmew5p553hg3yy

Classification of extreme facial events in sign language videos

Epameinondas Antonakos, Vassilis Pitsikalis, Petros Maragos
2014 EURASIP Journal on Image and Video Processing  
Given the importance of such facial events in SL analysis, we apply ESC to detect visual events on SL videos, including both American (ASL) and Greek (GSL) corpora, yielding promising qualitative and quantitative  ...  Given the lack of facial annotated data and the fact that manual annotations are highly time-consuming, ESC results indicate that the framework can have significant impact on SL processing and analysis  ...  Second row: GAAM's second shape parameter. Third row: mouth LAAM's first shape parameter. Fourth row: mouth LAAM's first texture parameter.  ... 
doi:10.1186/1687-5281-2014-14 fatcat:iewpb7k4gbbvfgdmi6tlkkpq5y

Facial Expression Biometrics Using Statistical Shape Models

Wei Quan, Bogdan J. Matuszewski, Lik-Kwan Shark, Djamel Ait-Boudaoud
2009 EURASIP Journal on Advances in Signal Processing  
This paper describes a novel method for representing different facial expressions based on the shape space vector (SSV) of the statistical shape model (SSM) built from 3D facial data.  ...  The method relies only on the 3D shape, with texture information not being used in any part of the algorithm, that makes it inherently invariant to changes in the background, illumination, and to some  ...  Section 4 provides results of qualitative and quantitative separability analysis.  ... 
doi:10.1155/2009/261542 fatcat:gcjmhyufx5dr5p5asc6ki4abbu
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