نتایج جستجو برای: face direction

تعداد نتایج: 311491  

2005
Natasa Jovanovic Rieks op den Akker Anton Nijholt

This paper describes a multi-modal corpus of hand-annotated meeting dialogues that was designed for studying addressing behavior in face-to-face conversations. The corpus contains annotated dialogue acts, addressees, adjacency pairs and gaze direction. First, we describe the corpus design where we present the annotation schema, annotation tools and annotation process itself. Then, we analyze th...

This study deals with the vibration response of sandwich plate with nano-composite core and smart magneto-strictive face sheets. Composite core is reinforced by carbon nanotubes (CNTs) and its effective elastic properties are obtained by the rule of Mixture. Terfenol-D films are used as the face sheets of sandwich due to magneto-mechanical coupling in magneto-strictive material (MsM). In order ...

Journal: :Social neuroscience 2008
Jasmin Cloutier David J Turk C Neil Macrae

Guided by influential models of face processing, efforts have been expended to uncover the neural substrates subserving the many facets of face perception. Extending this work, the present study used functional brain imaging (fMRI) to explore the relationship between the operations supporting the explicit extraction of sex and gaze-related information from faces. The brain imaging data showed t...

2005
Wu-Jun Li Chong-Jun Wang Dianxiang Xu Bin Luo Zhaoqian Chen

It is a challenge to recognize faces under variable poses or illumination directions. In the area of multiview face recognition, many experimental results have shown that the performance of approaches based on multiple eigenspaces is higher than the performance of those based on a single eigenspace. This paper presents two multiple illumination eigenspaces-based methods, RDEB and BPNNB, for sol...

2004
Rolf P. Würtz

The recognition of other individuals is a major prerequisite for human social interaction and hence a rather important brain function. The most prominent cue for that recognition is the face. The capability to recognize persons from their faces is part of a spectrum of related skills, which include face segmentation, i.e., finding faces in a scene or image, the estimation of the pose, the direc...

2012
Mariana Kozlowska Pawel Rodziewicz Diana Malgorzata Brus Joanna Breczko Krzysztof Brzezinski

The asymmetric unit of the title compound, [Ru(C(15)H(11)N(3))(2)](ClO(4))(2)·0.5H(2)O, contains one ruthenium-terpiridine complex cation, two perchlorate anions and one half-mol-ecule of water. Face-to-face and face-to-edge π-stacking inter-actions between terpyridine units [centroid-centroid distances = 3.793 (2) and 3.801 (2)  Å] stabilize the crystal lattice The partially occupied water mol...

2012
Xi Zhao Shishir K. Shah Ioannis A. Kakadiaris

3D-2D face recognition is beginning to gain attention from the research community. It takes advantage of 3D facial geometry to normalize the head pose and registers it into a canonical 2D space. In this paper, we present a novel illumination normalization approach for 3D-2D face recognition which does not require any training or prior knowledge on the type, number, and direction of the lighting...

Journal: :Neuroreport 2004
Vincent M Reid Tricia Striano Jordy Kaufman Mark H Johnson

A major issue in developmental science is how infants use the direction of other's eye gaze to facilitate the processing of information. Four-month-old infants passively viewed images of an adult face gazing toward or away from objects. When presented with the objects a second time, infants showed differences in a slow wave event-related potential, indicating that uncued objects were perceived ...

Journal: :Bipolar disorders 2017
Ivy F Tso Tyler B Grove Savanna A Mueller Lisa O'Donnell Jinsoo Chun Melvin G McInnis Patricia J Deldin

OBJECTIVES Altered social behavior during mood episodes in bipolar disorder often has detrimental and long-lasting interpersonal consequences. Abnormal face processing may play a role in linking brain functions to clinical symptoms and behavior. This study aimed to understand configural face processing in bipolar disorder as a function of basic communicative attributes of the face and mood symp...

Farzin Heravi Mehdi Sadafi Shiva Shojaeian

Introduction: The purpose of this study was to evaluate vertical facial and dental changes after orthodontic treatment with extraction of first four premolars, and to find whether long facial height could influence the treatment result. Methods: Fifty-six orthodontic patients with the minimum age of 15, whose treatment plan involved extracting four first premolars, participated in the study. Th...

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