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Distributing expressional faces in 2-D emotional space

Yangzhou Du, Wenyuan Bi, Tao Wang, Yimin Zhang, Haizhou Ai
2007 Proceedings of the 6th ACM international conference on Image and video retrieval - CIVR '07  
An expressional face can be represented as a point in a two-dimensional (2-D) emotional space characterized by arousal and valence factors.  ...  images or relevant video shots by specifying a region in the 2-D emotional space.  ...  expressional face images or relevant video shots by specifying a region in the 2-D emotional space.  ... 
doi:10.1145/1282280.1282339 dblp:conf/civr/DuBWZA07 fatcat:afnagprv55g5rpmrcn6oz4zgm4

Emotional facial expression model building

Yangzhou Du, Xueyin Lin
2003 Pattern Recognition Letters  
They are (1) generating facial expressions under quantitative control of emotional states, (2) rendering shape and illumination changes on face simultaneously and (3) synthesizing expressional face for  ...  In this paper, we present a simple methodology for mimicking realistic face by manipulating emotional states.  ...  We would like to thank Michael Lyons for kindly providing facial expression database used in this paper.  ... 
doi:10.1016/s0167-8655(03)00153-3 fatcat:krpjwsa3fven3b3beioy2i5wfq

Construction and Psychological Evaluation of 3-D Emotion Space

1995 International journal of biomedical soft computing and human sciences  
An emotion condition is described compactly by the point in a 3D space generated by 5-tayered neural nemork and its evaluation resutt shows the high pet:fonmance of this modeL Kleyword: foce mode4 emotion  ...  Emotion is one of the most irnportant factors which facial expression can descTibe. Especialiy we focused on this emotion condition which appears on humanls face.  ...  Namely, in either case, .4.2 Basic Emotion Location in Two DifTlerent Emotion Spaces In addition to this 2-D space, Yamadaeoalso reported the relational structure of basic emotions in the 3-D space constmcted  ... 
doi:10.24466/ijbschs.1.1_33 fatcat:2l6odkans5esjeknswuxvoqnlq

Automatic facial expression recognition on a single 3D face by exploring shape deformation

Boqing Gong, Yueming Wang, Jianzhuang Liu, Xiaoou Tang
2009 Proceedings of the seventeen ACM international conference on Multimedia - MM '09  
Then, based on the BFSC and the original expressional face, a facial expression descriptor is designed. The surface depth changes are considered in the descriptor.  ...  The shape of an expressional 3D face is approximated as the sum of two parts, a basic facial shape component (BFSC) and an expressional shape component (ESC).  ...  Let {(ei, λi) , i = 1, 2, · · · , N } be the eigensystem of XX T , where λ1 ≥ λ2 ≥ · · · , ≥ λN . Also let P = [e1, e2, · · · , eN ]. These eigenvectors span a linear face space.  ... 
doi:10.1145/1631272.1631358 dblp:conf/mm/GongWLT09 fatcat:ob5ziyt6knfitawsaw257vrs3m

Disentangling Identity and Pose for Facial Expression Recognition

Jing Jiang, Weihong Deng
2022 IEEE Transactions on Affective Computing  
For identity encoder, a well pre-trained face recognition model is utilized and fixed during training, which alleviates the restriction on specific expression training data in previous works and makes  ...  the disentanglement practicable on in-the-wild datasets.  ...  Decision is made by comparing the distances in the feature sub-space.  ... 
doi:10.1109/taffc.2022.3197761 fatcat:jsfq2luim5etdobajdvpftdczi

Automatic Human Facial Expression Recognition Based on Integrated Classifier From Monocular Video with Uncalibrated Camera

Tao Yu, Jian-Hua Zou, Qin-Bao Song, L. Long, Y. Li, X. Li, Y. Dai, H. Yang
2017 ITM Web of Conferences  
After associated regularization, the time sequences from the trait changes in space-time under complete expressional production are then arranged line by line in a matrix.  ...  face traits.  ...  They are then arranged line by line in a matrix in accordance with the changing of the traits in space-time with complete expressional production.  ... 
doi:10.1051/itmconf/20171203042 fatcat:msdfglyiavbgfpe7uie6lmkd5i

Affective interaction based on person-independent facial expression space

Hao Wang, Kongqiao Wang
2008 Neurocomputing  
In order to synthesize arbitrary expressions for a new person with natural details, a novel approach based on local geometry preserving between the input face image and the target expression image is proposed  ...  This paper proposes a Person-Independent Facial Expression Space (PIFES) to analyze and synthesize facial expressions based on Supervised Locality Preserving Projections (SLPP), which aligns different  ...  And the expressional face of the computer can play the role of emotion activators, which makes the interaction more natural and interesting. The paper is organized as follows.  ... 
doi:10.1016/j.neucom.2007.10.022 fatcat:ttbjytrhd5g5xpldgabxy3dily

PAD Model Based Facial Expression Analysis [chapter]

Jie Cao, Hong Wang, Po Hu, Junwei Miao
2008 Lecture Notes in Computer Science  
T The validity of PAD (Pleasure-Arousal-Dominance) theory in vision area and the feasibilityT on PAD based models for facial expression analysis are discussed in this paper.  ...  0.20 -0.70 -0.44 Dignified 0.55 0.22 0.61 Elated 0.50 0.42 0.23 Table 2 . 2 This table shows the accuracy of each space spaces +A+D +A-D -A+D -A-D +P 97.79% 99.38% 99.34% 99.29%  ...  91.93% 92.48% Table 4 . 4 This table shows the PAD region of the six points spaces P-center A-center D-center P-range A-range D-range Angry -2.6 3.2 3 <-2 >2 >2 Relaxed 1 -1 1 >0  ... 
doi:10.1007/978-3-540-89646-3_44 fatcat:truedfsiujeuhfjipihwxtw6nu

Dealing with feature uncertainty in facial expression recognition

Manolis Wallace, Spiros Ioannou, Amaryllis Raouzaiou, Kostas Karpouzis, Stefanos Kollias
2006 International Journal of Intelligent Systems Technologies and Applications  
In existing approaches, over-formalised description of knowledge concerning the human face and human expressions, as well as failures of the image and video processing components, often lead to misclassification  ...  Since facial expressions are a key modality in human communication, the automated analysis of facial images for the estimation of the displayed expression is central in the design of intuitive and human  ...  Perceived full-blown emotions are not evenly distributed in activation-emotion space; instead they tend to form a roughly circular pattern.  ... 
doi:10.1504/ijista.2006.009916 fatcat:lrioj5ctpze23nlcerrlkii3ma

Neutral expression synthesis using kernel active shape model

Marcella Peter, Jacey-Lynn Minoi, Suriani Ab Rahman
2020 Indonesian Journal of Electrical Engineering and Computer Science  
In this research, a method of a modified kernel-based active shape model based on statistical-based approach is introduced to synthesize neutral (neutralize) expressions from expressional faces, with the  ...  In recent decades, facial identity and emotional studies have gained interest from researchers, especially in the works of integrating human emotions and machine learning to improve the current lifestyle  ...  All expressional faces (m =54), in the training set are projected to a reduced space using the and the recognition is performed based on the nearest neighbor classifier.  ... 
doi:10.11591/ijeecs.v20.i1.pp150-157 fatcat:f3zqwbnfkfcq7fyigf44um6dpu

Automatic design of a control interface for a synthetic face

Nicolas Stoiber, Renaud Seguier, Gaspard Breton
2008 Proceedingsc of the 13th international conference on Intelligent user interfaces - IUI '09  
This control space can then be easily adapted to pilot the deformations of synthetic faces.  ...  In this article, we present a system that generates a simple, 2-Dimensional interface that offers an efficient control over the facial expressions of any synthetic character.  ...  Simply put, when n d dominant directions d i , i ∈ {1, ..., n d }, have been identified in the appearance space, we want to find a set of n d 2-Dimensional directions e i , i ∈ {1, ..., n d }, distributed  ... 
doi:10.1145/1502650.1502681 dblp:conf/iui/StoiberSB09 fatcat:fk65ndmihvfhxfdch6c23w7xim

Geographical Distribution and Driving Meteorological Forces of Facial Expressions of Visitors in Urban Wetland Parks in Eastern China

Hongyan Li, Xuege Wang, Hongxu Wei, Tingting Xia, Mengnan Liu, Shengshu Ai
2022 Frontiers in Earth Science  
Interacting with aquatic environments in blue spaces is believed to benefit mental well-being.  ...  °C will be optimum to induce the presentation of a smiling face.  ...  Face-reading techniques have mainly been used to detect emotional responses to experiences in green spaces.  ... 
doi:10.3389/feart.2022.781204 fatcat:ounwikfgefdtjbt673hxj4t3bq

Independent Mobility and Social Affordances of Places for Urban Neighborhoods: A Youth-Friendly Perspective

Frederico Lopes, Rita Cordovil, Carlos Neto
2018 Frontiers in Psychology  
Participants were asked to map their home place, select and mark social, functional, leisure and emotional place transactions, and report actual and ideal mobility to these places.  ...  In the present study, affordances of places, which are perceived by a specific perceiver in a specific place, were mapped using a web-map survey.  ...  in four expressional categories (social, functional, leisure, and emotional).  ... 
doi:10.3389/fpsyg.2018.02198 pmid:30483200 pmcid:PMC6243082 fatcat:jhjfjnvmdng5beu7lxd4tyj35a

Biases in Generative Art – A Causal Look from the Lens of Art History [article]

Ramya Srinivasan, Kanji Uchino
2021 arXiv   pre-print
In this work, we investigate biases in the generative art AI pipeline right from those that can originate due to improper problem formulation to those related to algorithm design.  ...  We illustrate the same through case studies, in particular those related to style transfer.  ...  Eq. (2) differs from the conditional distribution ( = | = ), and the difference between the two distributions, i.e. ( | ( = )) − ( = | = ) defines confounding bias [10] .  ... 
arXiv:2010.13266v2 fatcat:cnpjmruiqbelpgvija6ry2pgka

Validation of family planning tool in the pastoralist community

Mussie Alemayehu, Araya Abrha Medhanyie, Elizabeth Reed, Afework Mulugeta Bezabih
2020 Reproductive Health  
All the developed items had a Cohen's d ranges from 0.5 to 2.  ...  The developing tool consists of 1) knowledge 2) perceived male involvement and 3) constructs of integrated behavioral model (IBM); expressional and instrumental attitude, subjective norm, self-efficacy  ...  Besides, we would like to thank the faema leaders, health care providers, and religious leaders participating in the provision of the intervention.  ... 
doi:10.1186/s12978-020-00976-x pmid:32799892 fatcat:r63igbnkqnen5nr4sqjbfwhyem
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