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Code covered by the BSD License  

Highlights from
SPIHT, Set Partitioning In Hierarchial Trees

  • [stream_out,iii]=entropy_deco...
  • bit=input_bit
  • dect=irefinement(dect,T,sig_e...
  • ll4=trans(x,wname)
  • output=refinement(output,LSP,...
  • ret=mark_proper(ind,sig)
  • stream_out=entropy_code(strea... stream_in : stream of input symbols
  • x1=itrans(x,wname) imshow(mat2gray(x1))
  • y=descendants(ij)
  • y=extract(x)
  • y=lookup_128 Prepare table of indices of descendants for 4 scales
  • y=mapping_128 x : Transformed Image
  • y=offspring(ij)
  • bits_to_symbols.m
  • sphit_main_decode.m
  • sphit_main_encode.m
  • symbols_to_bits.m
  • View all files
from SPIHT, Set Partitioning In Hierarchial Trees by Ravi Lakkundi
SPIHT Codec

y=offspring(ij)
function y=offspring(ij)

load indices

if ij>64 & ij<4097
    y=indices(ij,:);
else 
    y=[];
end

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