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Dendritic Computation Group

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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  1. Dendritic Computation Group Project Review 12 July 2013

  2. 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

  3. 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

  4. Labeled Spikes

  5. RN 5N RN RN BN RN Five RN 2N Two Ringo Red Five Tiger Blue RN 5N RN RN Two BN TN RN 2N

  6. Output Word spotter Five Two Blue Red Tiger Ringo “Markov” chain Five Two Blue Red Tiger Ringo

  7. 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

  8. 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

  9. 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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