Madhav Nandipati pd. 6 Third Quarter Presentation

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Presentation transcript:

Madhav Nandipati pd. 6 Third Quarter Presentation Analysis of spectro-temporal receptive fields in an auditory neural network Madhav Nandipati pd. 6 Third Quarter Presentation

Third Quarter Goals Add temporal coding More realistic STRFs

Recap of Second Quarter Created basic STRFs for the neural network

Temporal Coding

More Realistic STRFs Making the computational STRFs appear more like STRFs in literature validates the neural network Two ways to make it more realistic: Padding Color schemes

Padding Matlab pads TF with 0s: produces sharper image Effect of padding on resulting STRF:

Colormaps Different colormaps set range of values in matrix to different RGB values Just skin-deep changes

Comparison Which STRF is real? ?

Results

Future Direction Temporal model works well Next step: more quantitative analysis Prediction of output with STRFs