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Towards Text Understanding: Word Image Representation, Matching, and Recognition Albert Gordo October 2014 P ART 1 Word Attributes (WATTS) for Word Image Representation and matching hotel garage taxi cafe ? ?

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Towards Text Understanding:

Word Image Representation, Matching, and Recognition Albert Gordo October 2014

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PART 1

Word Attributes (WATTS) for Word Image Representation and matching

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“hotel” “garage” “taxi” “cafe”

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?

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?

“hotel”

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?

“garage” “taxi” “cafe”

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“hotel” “pizzeria”

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“hotel” “pizzeria”

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“listen”

[…] c d e […] h i j […] l m n […] s t u […]

Lvl 1

[…] c d e […] l m n […] s t u […]

“ten”

[…] h i j […] l m n […] s t u […]

“lis”

Lvl 2 Lvl 3

[…] h i j […] l m n […] […] l m n […] s t u […] […] c d e […] l m n […]

“li” “st” “en”

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a b c […] 7 8 9

[···] [···]

Lvl 2

a b c […] 7 8 9

Lvl 3 Lvl 4 Lvl 5

Bigrams

a b c […] 7 8 9 er in es […]

[···]

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“hotel” “pizzeria”

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PHOC Fisher Vector Labeled word images

Images Transcriptions Training samples Training labels

taxi hotel cafe coffee sushi

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“hotel” “pizzeria”

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“hotel” “pizzeria”

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ICFHR2014 Competition

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PART 2

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PHOC Fisher Vector Labeled word images

Images Transcriptions Training samples Training labels

taxi hotel cafe coffee sushi

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Thank you for your attention

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Results: Retrieval

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Results: Recognition

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