Multi-modal gender classification using support vector machines (SVMs)
First Claim
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1. A computer software system for multi-modal human gender classification, comprising:
- a first-mode classifier classifying first-mode data pertaining to male and female subjects according to gender and rendering a first-mode gender-decision for each male and female subject;
a second-mode classifier classifying second-mode data pertaining to male and female subjects according to gender and rendering a second-mode gender-decision for each male and female subject; and
a fusion classifier integrating the individual gender decisions obtained from said first-mode classifier and said second-mode classifier and outputting a joint gender decision for each of said male and female subjects.
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Abstract
A multi-modal system for determining the gender of a person using support vector machines (SVMs). Gender classification is first performed on visual (thumbnail frontal face) and audio (feature extracted from speech) data using support vector machines (SVMs). The decisions obtained from individual SVM-based gender classifiers are used as input to train a final classifier to decide the gender of an individual.
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Citations
8 Claims
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1. A computer software system for multi-modal human gender classification, comprising:
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a first-mode classifier classifying first-mode data pertaining to male and female subjects according to gender and rendering a first-mode gender-decision for each male and female subject;
a second-mode classifier classifying second-mode data pertaining to male and female subjects according to gender and rendering a second-mode gender-decision for each male and female subject; and
a fusion classifier integrating the individual gender decisions obtained from said first-mode classifier and said second-mode classifier and outputting a joint gender decision for each of said male and female subjects. - View Dependent Claims (2, 3, 4)
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5. A computer software system for multi-modal human gender classification, comprising:
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means for storing a database comprising a plurality of male and female facial images to be classified according to gender;
means for classifying the male and female facial images according to gender;
means for storing a database comprising a plurality of male and female utterances to be classified according to gender;
means for classifying the male and female utterances according to gender;
means for integrating the individual gender decisions obtained from the vision and speech based classification means to obtain a joint gender decision, said multi-modal gender classification having a higher performance measurement than the vision or speech based means individually.
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6. A multi-modal method for human gender classification, comprising the following steps, executed by a computer:
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generating a database comprising a plurality of male and female facial images to be classified;
extracting a thumbnail face image from said database;
training a support vector machine classifier to differentiate between a male and a female facial image, comprising determining an appropriate polynomial kernel and the bounds on Lagrange multiplier;
generating a database comprising a plurality of male and female utterances to be classified;
extracting a Cepstrum feature from said database;
training a support vector machine classifier to differentiate between a male and a female utterance, comprising determining an appropriate Radial Basis Function and the bounds on Lagrange multiplier;
integrating the individual gender decisions obtained from the speech and vision based support vector machine classifiers, using a semantic fusion method, to obtain a joint gender decision, said multi-modal gender classification having a higher performance measurement that the speech or vision based modules individually. - View Dependent Claims (7, 8)
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Specification