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updated 3 months ago

Message Passing Algorithm for Decoding Binary LDPC Codes by Alan ZHOU

An MATLAB class that implements message passing decoding for binary LDPC codes. (binary codes, decoding, iterative decoding)

GenerateSystematicCode(HOrig)

mpdec(H, rxLLR, nIterationMax)

mpdecoder

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updated 3 months ago

Intra Prediction Re-Construction of Image in a video frame by Santhana Raj

To perform the Intra prediction reconstruction to get the image of a video frame (h264, h264avc, video encoding)

rim_intra=intra_recons(im_recons,intra_mode,i,j,N)

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updated 8 months ago

Pulse Code Modulation by Shujaat Khan

This code is the implementation of Pulse Code Modulation Scheme and its variant Delta Modulation (pcm, modulation, pulse code modulation)

Delta_Mod.m

PCM_EXP.m

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updated almost 3 years ago

Manual Reed Solomon (RS) Decoding Example by Colin O'Flynn

Follows textbook practice questions in MATLAB, showing 'manual' decoding. (reed solomon, reedsolomon, rs)

exp2str( input )

gf2dec(GFInput,m,prim_poly)

gf2exp( GFInput, m, prim)

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updated 4 years ago

Quadtree decomposition (Encoding) and Decoding of RGB Image by Dr. Murtaza Khan

Quadtree decomposition (Encoding) and Decoding of RGB Image of size M-by-N-by-3. (image analysis, quadtree, image)

A =padtomakepowof2(A,varargin)

I=qtreedecode(S,values)

I=qtreergbdecode(S,valRGB)

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updated 5 years ago

Maximum Likelihood equalization for STBC-MIMO systems by Choqueuse Vincent

Perform Maximum Likelihood equalization for MIMO Systems using Space time block code. (communication, decoding, equalisation)

[modulated_coded_symbols]=space_time_coding(modulated_sym...

[separated_data]=coherent_ML_receiver(received_signal,H,c...

one_shot_ML_equalizer.m

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updated 5 years ago

Zero forcing equalization for STBC-MIMO systems by Choqueuse Vincent

Perform Zero Forcing equalization for MIMO Systems using Space time block code. (communication, wireless, mimo)

[modulated_coded_symbols]=space_time_coding(modulated_sym...

[separated_data]=coherent_ZF_receiver(received_signal,H,c...

one_shot_ZF_equalizer.m

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updated 5 years ago

LZ77 by Samira Ebrahimi

LZ77 Encoding/Decoding (encoding, decoding, lz77)

[timeC,timeDC,sourcestr,decoded]=mainLZ77(sourcestr)

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updated 5 years ago

Differential Encoding/Decoding by Dr. Murtaza Khan

Basic Differential Encoding/Decoding of input vector of numeric values (coding theory, information theory, differential)

vo=diffdecodevec(vi)

vo=diffencodevec(vi)

diffencodevecTest.m

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updated 5 years ago

Fast FLAC reader by Emanuele Ruffaldi

Lossless FLAC reader with interface compatible with wavread (audio, lossless, flac)

flacread2(FILE,varargin)

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updated 6 years ago

Viterbi Trellis Generator by Andrew Muehlfeld

Creates the trellis struct needed by convenc & vitdec, for use with viterbi encoding and decoding. (convolutional encoder, viterbi decoder, toolbox)

viterbi_trellis_generator(constraint_length, g1_taps, g2_...

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updated 6 years ago

RUN LENGTH DECODING by Shoeb Temrikar

returns binary data from run length encoded array (coding theory, information theory, decoding)

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updated 7 years ago

Arithmetic coding and decoding for Text Compression by Dr. Madhu S. Nair

Arithmetic coding and decoding for Text Compression (coding theory, information theory, arithmetic coding)

[alpha cnt]=probmodel(seq)

[alpha prob]=probmodel(seq)

[tag mnm]=arithscalecod(alpha,prob,seq)

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updated 7 years ago

Huffman Coding and Decoding for Text Compression by Dr. Madhu S. Nair

Static Huffman Coding and Decoding; Adaptive Huffman Coding and Decoding for text compression (coding theory, information theory, huffman coding)

[alpha prob]=probmodel(seq)

[huff entropy avglength redundancy]=huffman(alpha,prob)

[tree ndnm]=updatetree(tree,ndnm,al)

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updated 8 years ago

CDMA coding and Decoding by Farhat Masood

The Programme is about CDMA coding and decoding. (wireless, cdma, coding)

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updated almost 9 years ago

MP3WRITE and MP3READ by Alfredo Fernandez

mp3 audio encoding/decoding (audio processing, video processing, audio signal procesin...)

mp3read(FILE)

mp3write(varargin)

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updated 11 years ago

Soft Input Soft Output Viterbi Algorithm by Adrian Bohdanowicz

Implementation of the SISO Viterbi algorithm. (coding theory, information theory, decoding)

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updated almost 17 years ago

huffman by Karl Skretting

A set of MATLAB m-files (version 5.2) which do complete Huffman Coding. (coding theory, information theory, huffman)

huff03(arg1, arg2, arg3)

huffcode(HL,Display)

hufflen.m

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