Dendritic computation group
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Dendritic Computation Group. Project Review 12 July 2013. Projects. Modelling dragonfly attention switching Dendritic auditory processing Processing images with spikes Dendritic computation with memristors Computation in RATSLAM Image processing SKIM on Spinnaker

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Dendritic Computation Group

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Dendritic Computation Group

Project Review 12 July 2013


Projects

  • Modellingdragonfly attention switching

  • Dendritic auditory processing

  • Processing images with spikes

  • Dendritic computation with memristors

  • Computation in RATSLAM

    • Image processing

    • SKIM on Spinnaker

  • Dendritic computation on Nengo

  • SKIM model on FPAA

  • Spike based cross-correlation


Auditory Processing with Dendrites

(Mesgarani & Chang in Silicio) Shih-Chii Liu and Jon Tapson

Spikes from AEREAR2,

64 channel cochlea

Selective cortical representation of attended speaker in multi-talker speech perception, N Mesgarani, EF Chang – Nature 485, 233–236, 2012


Labeled Spikes


RN

5N

RN

RN

BN

RN

Five

RN

2N

Two

Ringo

Red

Five

Tiger

Blue

RN

5N

RN

RN

Two

BN

TN

RN

2N


Output

Word spotter

Five

Two

Blue

Red

Tiger

Ringo

“Markov” chain

Five

Two

Blue

Red

Tiger

Ringo


Rotation-invariant Object Recognition with the Ripple Pond Network and SKIM

Tara Julia Hamilton, Jonathan Tapson, Greg Cohen

Rotated hand-written digits from the MNIST database


Rotation-invariant Object Recognition with the Ripple Pond Network and SKIM

BMP Image from uC

JPEG Image from uC

Temporal Pattern (TP) from uC

Test Set-Up


Rotation-invariant Object Recognition with the Ripple Pond Network and SKIM

Results: (Left) Output from 0 neuron, (Right) Output from 7 neuron


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