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Reset c_count 、 sum mse=0.0. Begin. Find data centroid generate1’st codeword level=1. t. 1. >frame_num. 0. Re-encode frame. level. level>codeword num. 1. Update cluster’s sum c_count mse. 1. Split the largest cluster into 2 clusters level++ generate two

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Presentation Transcript

  • Reset

  • c_count、 sum

  • mse=0.0

Begin

  • Find data centroid

  • generate1’st codeword

  • level=1

t

1

>frame_num

0

Re-encode frame

level

level>codeword num

1

  • Update cluster’s

  • sum

  • c_count

  • mse

1

  • Split the largest

  • cluster into 2 clusters

  • level++

  • generate two

  • codewords (left and

  • right shift by delta)

  • Check if any empty cluster?

  • level- -

Compute

new codewords

t

>frame_num

1

level <

codeword_num?

0

no

Re-encode frame

yes

  • Split the largest

  • cluster into 2 clusters

  • level++

  • generate two

  • codewords (left and

  • right shift by delta)

yes

Update cluster’s

sum &c count

  • Check if any empty cluster?

  • level- -

  • Compute

  • mse

  • relative_error_cha nge

  • update last_mse= mse

Compute

new codewords

While split=true or relative_error_change>ERROR

yes

  • initialize

  • last_mse =0.0

no

finish


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