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Hemispheric Differences in the Perception of Positive and Negative Faces

International Journal of Neuroscience, 1985
Thirty-two right-handed subjects (15 males and 17 females) participated in a study investigating the effects of the perception of positive and negative emotional stimuli on choice reaction time. Slides of faces showing positive (happy, surprise) or negative (anger, disgust, sadness) affect were presented via a tachistoscope to either the right or left ...
Wedding, Danny, Stalans, Loretta
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Discriminant non-negative graph embedding for face recognition

Neurocomputing, 2015
Abstract Non-negative Matrix Factorization (NMF) is an unsupervised algorithm for low-rank approximation of non-negative data and has been widely used in many fields, but its performance in feature extraction is not satisfactory. The main reason is that the model of NMF and its variants did not take into account the label information of the samples ...
Jinrong Cui, Jiajun Wen
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Gram-negative folliculitis of the face

Clinical and Experimental Dermatology, 1979
Summary A case of E. Coli folliculitis of the face is presented. Unlike many of the reported cases, there was no preceding history of tetracycline therapy. The condition could be attributed to long term use of a hexachlorophene preparation.
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The Negative Effects of Whitening Transformation in Face Recognition

2009 Second International Symposium on Computational Intelligence and Design, 2009
Whitening transformation has widely been used in face recognition. Typically it is used in one of four ways: as a data preprocessing tool before feature extraction, to calculate statistically uncorrelated discriminant vectors, as a transitional step in calculating discriminant vectors, or as a data post-processing tool after feature extraction.
Fengxi Song, David Zhang 0001
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