The Data Delusion NEIL LAWRENCE UNIVERSITY OF SHEFFIELD GLOBAL - - PowerPoint PPT Presentation

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The Data Delusion NEIL LAWRENCE UNIVERSITY OF SHEFFIELD GLOBAL - - PowerPoint PPT Presentation

The Data Delusion NEIL LAWRENCE UNIVERSITY OF SHEFFIELD GLOBAL INFORMATION STORAGE CAPACITY IN OPTIMALLY COMPRESSED BYTES SVMs ConvNets dominate NIPS Developed Coal Google Facebook Amazon Tin Startups Outline of the DeepFace


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SLIDE 1

The Data Delusion

NEIL LAWRENCE UNIVERSITY OF SHEFFIELD

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GLOBAL INFORMATION STORAGE CAPACITY

IN OPTIMALLY COMPRESSED BYTES

ConvNets Developed SVMs dominate NIPS

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SLIDE 4

Coal Tin Google Facebook Amazon Startups

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Outline of the DeepFace architecture. A front-end of a single convolution-pooling-convolution filtering on the rectified input, followed by three locally-connected layers and two fully- connected layers. Color illustrates feature maps produced at each layer. The net includes more than 120 million parameters, where more than 95% come from the local and fully connected layers. Source: DeepFace

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SLIDE 8

g đ‘Ļ = f9(f8(f7(f6(⋯ )))) g đ‘Ļ

f1(đ‘Ļ) f2(∙) f3(∙) f4(∙) f5(∙) f6(∙)f7(∙)f8(∙)f9(∙)

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SLIDE 9
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𝐠9 h = 𝜚 Īƒđ‘— đ‘Ĩ1𝑗ℎ𝑗 𝜚 Īƒđ‘— đ‘Ĩ2𝑗ℎ𝑗 ⋮ 𝜚 Īƒđ‘— đ‘Ĩ𝑙𝑗ℎ𝑗

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𝐠9 h = Ī• Wh W ∈ ℜ𝑙8Ã—đ‘™9

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𝐲 Ī• W

1𝐲1

đŗ Ī• W2đĸ1 Ī• W3đĸ2

Yes No

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𝐲 Ī• W

1𝐲1

đŗ Ī• W2đĸ1 Ī• W3đĸ2

Yes No

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B A

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d𝑕(đ‘Ļ) dđ‘Ļ 𝑕(đ‘Ļ) āļą đ‘• đ‘Ļ 𝑞 đ‘Ļ dđ‘Ļ

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Gaussian Processes

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Health

  • Complex

system

  • Scarce data
  • Different

modalities

  • Poor

understanding

  • f mechanism
  • Large scale

gene expression clinical notes biopsy X-ray genotype epigenotype environmen t

State of health Organ states Cell states

PLoS Comp Bio, Nature Methods survival analysis clinical tests treatment biopsy X-ray

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Coal Tin Google Facebook Amazon Startups Railways Data Infrastructure

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data trust Data

ML ML

User User User User User User User Data Data Data Data Data Data Data

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Thank you

Neil Lawrence http://inverseprobability.com @lawrennd