face recognition by support vector machines

face recognition by support vector machines

face recognition by support vector machines

... criterion. Keywords: Face recognition, support vector machines, optimal separating hyperplane, binary tree, eigenface, prin- cipal component analysis. 1 Introduction Face recognition technology ... a vector of weights, which is the projection of the face image to the ba- sis in the eigenface space. Usually the nearest distance cri- terion is used for face recognition. Sup...
Ngày tải lên : 24/04/2014, 12:36
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e. osuna, r. freund, and f. girosi, training support vector machines- an application to face detection

e. osuna, r. freund, and f. girosi, training support vector machines- an application to face detection

... 10 4 300 400 500 600 700 800 900 1000 Number of Samples Number of Support Vectors 300 400 500 600 700 800 900 1000 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 Number of Support Vectors Time (hours) 0 0.5 1 1.5 2 2.5 3 3.5 4
Ngày tải lên : 24/04/2014, 12:33
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Tài liệu Báo cáo khoa học: "Support Vector Machines for Query-focused Summarization trained and evaluated on Pyramid data" ppt

Tài liệu Báo cáo khoa học: "Support Vector Machines for Query-focused Summarization trained and evaluated on Pyramid data" ppt

... Sessions, pages 57–60, Prague, June 2007. c 2007 Association for Computational Linguistics Support Vector Machines for Query-focused Summarization trained and evaluated on Pyramid data Maria Fuentes TALP ... Center Universitat Polit`ecnica de Catalunya horacio@lsi.upc.edu Abstract This paper presents the use of Support Vector Machines (SVM) to detect rele- vant information to be...
Ngày tải lên : 20/02/2014, 12:20
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Tài liệu Báo cáo khoa học: "Reading Level Assessment Using Support Vector Machines and Statistical Language Models" pdf

Tài liệu Báo cáo khoa học: "Reading Level Assessment Using Support Vector Machines and Statistical Language Models" pdf

... information. The resulting vocabu- lary consisted of 276 words and 56 POS tags. 4.3 Support Vector Machines Support vector machines (SVMs) are a machine learning technique used in a variety of text classi- fication ... have shown the bene- fit of using statistical language models. In this paper, we also use support vector machines to combine features from tradi- tional reading...
Ngày tải lên : 20/02/2014, 15:20
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Gene Selection for Cancer Classification using Support Vector Machines pot

Gene Selection for Cancer Classification using Support Vector Machines pot

... be computed for support vectors only, which makes it affordable for small numbers of support vectors. Additionally, parts of the calculation such as the dot products x h .x k between support vectors ... This is not the case for support vectors which show a mix of all possibilities. This particular gene subset selected by SVM RFE corresponds to the smallest number of support vecto...
Ngày tải lên : 06/03/2014, 00:22
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Báo cáo khoa học: "An Empirical Study of Active Learning with Support Vector Machines for Japanese Word Segmentation" pptx

Báo cáo khoa học: "An Empirical Study of Active Learning with Support Vector Machines for Japanese Word Segmentation" pptx

... 1998), we focus on active learning with Sup- port Vector Machines (SVMs) because of their per- formance. The Support Vector Machine, which is introduced by Vapnik (1995), is a powerful new statistical ... learning where . To train an SVM is to find the and the by solving the following optimiza- tion problem: maximize subject to 3 Active Learning for Support Vector Machines 3....
Ngày tải lên : 17/03/2014, 08:20
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Báo cáo khoa học: "Joint Training of Dependency Parsing Filters through Latent Support Vector Machines" pptx

Báo cáo khoa học: "Joint Training of Dependency Parsing Filters through Latent Support Vector Machines" pptx

... for Computational Linguistics Joint Training of Dependency Parsing Filters through Latent Support Vector Machines Colin Cherry Institute for Information Technology National Research Council Canada colin.cherry@nrc-cnrc.gc.ca Shane ... · ¯ Φ(None a ) ´ is shown next to its arrow. by higher-scoring subclassifiers (Item 2). 3 Accounting for Arc Length We can extend our system by expandi...
Ngày tải lên : 23/03/2014, 16:20
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Báo cáo khoa học: "Automatic Prediction of Cognate Orthography Using Support Vector Machines" potx

Báo cáo khoa học: "Automatic Prediction of Cognate Orthography Using Support Vector Machines" potx

... an algorithm to automatically generate a list of cognates in a target language by means of Support Vector Machines. While Levenshtein distance was used to align the training file, no knowledge ... available, we decided to opt for SVMTool, a generator of sequential taggers based on Support Vector Machines developed by Gimenez and Marquez (2004). In fact, various experime...
Ngày tải lên : 31/03/2014, 01:20
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