# How can I reconstruct the input using an SDR?

**URL:** <https://discourse.numenta.org/t/how-can-i-reconstruct-the-input-using-an-sdr/3142>\
**Category:** NuPIC\
**Tags:** spatial-pooling, sdrs\
**Created:** [December 4, 2017, 8:47pm UTC](https://discourse.numenta.org/t/how-can-i-reconstruct-the-input-using-an-sdr/3142 "2017-12-04T20:47:55Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![rhyolight](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.numenta.org/rhyolight/32/3922_2.png) [@rhyolight](https://discourse.numenta.org/u/rhyolight)\
**Post date:** [December 18, 2017, 8:45pm UTC](https://discourse.numenta.org/t/how-can-i-reconstruct-the-input-using-an-sdr/3142/12 "2017-12-18T20:45:41Z")

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> [@ivansiiito](#):
>
> I imagine that I’m doing something wrong, but I cannot figure out what.

For anyone reading, we are discussing this here: [How to use the method SpatialPooler.getPermanence? - #4 by rhyolight](https://discourse.numenta.org/t/how-to-use-the-method-spatialpooler-getpermanence/3175/4)

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_[View the full topic](https://discourse.numenta.org/t/how-can-i-reconstruct-the-input-using-an-sdr/3142)._