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Different Features. Glasses vs. No Glasses Beard vs. No Beard.

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Different Features Different Features
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Page 1: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Different FeaturesDifferent Features

Page 2: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Glasses vs. No GlassesGlasses vs. No Glasses

Page 3: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Beard vs. No BeardBeard vs. No Beard

Page 4: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Beard DistinctionBeard Distinction

Ghodsi et, al 2007

Page 5: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Glasses DistinctionGlasses Distinction

Ghodsi et, al 2007

Page 6: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Multiple-Attribute MetricMultiple-Attribute Metric

Ghodsi et, al 2007

Page 7: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Embedding of sparse music Embedding of sparse music similarity graphsimilarity graph

Platt, 2004

Page 8: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Reinforcement learningReinforcement learning

Mahadevan and Maggioini, 2005

Page 9: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Semi-supervised learningSemi-supervised learning

Use graph-based discretization of manifold to infer missing labels.

Build classifiers from bottom eigenvectors of graph Laplacian.

Belkin & Niyogi, 2004; Zien et al, Eds., 2005

Page 10: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

correspondencescorrespondences

http://www.bushorchimp.com

Page 11: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Learning correspondencesLearning correspondences

How can we learn manifold structure that is shared across multiple data sets?

c et al, 2003, 2005

Page 12: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Mapping and robot localizationMapping and robot localization

Bowling, Ghodsi, Wilkinson 2005

Ham, Lin, D.D. 2005

Page 13: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

ClassificationClassification

Page 14: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

ClassificationClassification

Page 15: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

DataData

Page 16: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Features (X)

(Green, 6, 4, 4.5)

(Green, 7, 4.5, 5)

(Red, 6, 3, 3.5)

(Red, 4.5, 4, 4.5)

(Yellow, 1.5, 8, 2)

(Yellow, 1.5, 7, 2.5)

Page 17: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Data RepresentationData Representation

Page 18: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Data RepresentationData Representation

Page 19: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

11 11 11 11 11

11 00 11 00 11

11 11 11 11 11

11 0.50.5 0.50.5 0.50.5 11

11 11 11 11 11

Data RepresentationData Representation

Page 20: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Features and labelsFeatures and labels

(Green, 6, 4, 4.5)

(Green, 7, 4.5, 5)

(Red, 6, 3, 3.5)

(Red, 4.5, 4, 4.5)

(Yellow, 1.5, 8, 2)

(Yellow, 1.5, 7, 2.5)

Green Pepper

Green Pepper

Red Pepper

Red Pepper

Hot Pepper

Hot Pepper

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Features and labelsFeatures and labels

Objects Features (X) Labels (Y)

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Classification (New point)Classification (New point)

(Red, 7, 4, 4.5)h(Red, 7, 4, 4.5)

?

Page 23: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Classification (New point)Classification (New point)

(Red, 5, 3, 4.5)h(Red, 5, 3, 4.5)

?

Page 24: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Digit RecognitionDigit Recognition

Page 25: Different Features. Glasses vs. No Glasses Beard vs. No Beard.
Page 26: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

ClassificationClassification

Page 27: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

ClassificationClassification

Page 28: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

ClassificationClassification

Page 29: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

ClassificationClassification

Page 30: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

Computer VisionComputer Vision

N. Jojic and B.J. Frey, “ Learning flexible sprites in video layers”, CVPR 2001, (Video)

Page 31: Different Features. Glasses vs. No Glasses Beard vs. No Beard.

ReadingReading

• Journals: Neural Computation, JMLR, ML, IEEE PAMI• Conferences: NIPS, UAI, ICML, AI-STATS, IJCAI,

IJCNN• Vision: CVPR, ECCV, SIGGRAPH• Speech: EuroSpeech, ICSLP, ICASSP• Online: citesser, google• Books:

– Elements of Statistical Learning, Hastie, Tibshirani, Friedman– Learning from Data, Cherkassky, Mulier– Pattern classification, Duda, Hart, Stork– Neural Networks for pattern Recognition, Bishop– Pattern recognition and machine learning, Bishop


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