Tag: Sequence Memory

26. April 2020 Artificial Intelligence, Big Data, Hierarchical Temporal Memory, Learning

htm.core parameters – High Order Sequence Memory

In part 2, I used htm.core as a single order sequence memory by allowing only one cell per mini-column. In this post I’ll finally have a first look at the high order sequence memory.

Before we do that, I want to show you one last single order memory example however.

Single Order Sequence Memory Recap

As you might remember from the last post, these were the settings for our htm.core temporal memory (aka sequence memory).

    columns = 8
    inputSDR = SDR( columns )
    cellsPerColumn = 1
    tm = TM(columnDimensions          = (inputSDR.size,),
            cellsPerColumn            = cellsPerColumn,
… more
8. April 2020 Artificial Intelligence, Big Data, Development, Hierarchical Temporal Memory, Learning, Python

htm.core parameters – Single Order Sequence Memory

To allow the htm.core temporal memory to learn sequences effectively, it is import to understand the impact of the different parameters in more detail.

In this part I will introduce

  • columnDimensions
  • cellsPerColumn
  • maxSegmentsPerCell
  • maxSynapsesPerSegment
  • initialPermanence
  • connectedPermanence
  • permanenceIncrement
  • predictedSegmentDecrement

Temporal Memory – Previously on this blog…

Part 1 just covered enough basics of htm.core to get us started, and we actually saw how the single order memory got trained.
A cycle of encoded increasing numbers from 0 to 9 was very easy to predict, as there was always just one specific value that could follow the … more

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