نتایج جستجو برای: face identification

تعداد نتایج: 566409  

2003
Florent Perronnin Jean-Luc Dugelay Kenneth Rose

This paper introduces a novel deformable model for face mapping and its application to automatic person identification. While most face recognition techniques directly model the face, our goal is to model the transformation between face images of the same person. As a global face transformation may be too complex to be modeled in its entirety, it is approximated by a set of local transformation...

2001
Michael C. Lincoln Adrian F. Clark

A scheme for pose-independent face recognition is presented. An “unwrapped” texture map is constructed from a video sequence using a texture-from-motion approach, which is shown to be quite accurate. Simple lighting normalization methods improve robustness to directional and/or varying lighting conditions. Recognition of single frames against calculated unwrapped textures is carried out using p...

Journal: :Biomedical sciences instrumentation 2006
Chao Li Armando Barreto Craig Chin Jing Zhai

Biometrics is an emerging area of bioengineering that pursues the characterization of a person by means of something that the person is or produces. Face recognition is a particularly attractive biometric challenge. Most of the face recognition research performed in the past used 2D intensity images. However, algorithms based on 2D images are not robust to changes of illumination in the environ...

2016
Valerie Goffaux John A. Greenwood

Recent work demonstrates that human face identification is most efficient when based on horizontal, rather than vertical, image structure. Because it is unclear how this specialization for upright (compared to inverted) face processing emerges in the visual system, the present study aimed to systematically characterize the orientation sensitivity profile for face identification. With upright fa...

Journal: :مدیریت بازرگانی 0
ابوالقاسم ابراهیمی دانشیار گروه مدیریت، دانشکدۀ اقتصاد، مدیریت و علوم اجتماعی، شیراز، ایران سیدمسلم علوی دانشجوی دکتری مدیریت سیستم، دانشگاه شیراز، شیراز، ایران الهه پورموردینی دانشجوی کارشناسی ارشد مدیریت بازرگانی، دانشگاه شهید بهشتی، تهران، ایران

current study has investigated the effects of perceived social responsibility on brand reputation, brand identification and purchase intention. this applied research falls into the category of descriptive / survey ones. all golestan brand customers in shiraz city are considered as statistical population. among the population, using non-probability sampling method, 384 individuals selected. vali...

Journal: :Cognitive neuropsychology 2000
S Bentin L Y Deouell

The present study had two aims. The first aim was to explore the possible top-down effect of face-recognition and/or face-identification processes on the formation of structural representation of faces, as indexed by the N170 ERP component. The second aim was to examine possible ERP manifestations of face identification processes as an initial step for assessing their time course and functional...

2013
Rehab M. Ibrahim A. S. Samra

The paper presents a comparative study of performance for face recognition algorithms in order to select the algorithms that have the highest performance and overcome the problems faced in recognition due to plastic surgery. A plastic surgery database that contains face images with different types of surgeries is used.. The work reports the performance evaluation of eleven photometric illuminat...

2011
Andy Luong Kristen Grauman

Secure facial identification systems compare an input face to a protected list of subjects. If this list were to be made public, there would be a severe privacy/confidentiality breach. A common approach to protect these lists of faces is to store a representation (descriptor or vector) of the face that is not directly mappable to its original form. In this thesis, we consider a recently develop...

2006
Jordi Luque Ramon Morros Ainara Garde Jan Anguita Mireia Farrús Dusan Macho Ferran Marqués Claudi Martinez Verónica Vilaplana Javier Hernando

In this paper, we address the modality integration issue on the example of a smart room environment aiming at enabling person identification by combining speech and 2D face images. First we introduce the monomodal audio and video identification techniques and then we present the use of combined input speech and face images for person identification. The various sensory modalities, speech and fa...

2009
P. Jia H. Hu

Recently, some novel human-machine interfaces (HMI) have been created for disabled and elderly people to control intelligent wheelchairs (IW) using facial and head gestures. To operate a wheelchair in this new visual-based control mode, user identification should be conducted beforehand. Rather than traditional user identification that requires the user to input his/her username and password by...

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