Scalable MPEG compression based on DCT coefficients: [motionVect, zeroMatrixCount]=BmotionEstES(Im,bufferImage,mbSize,p) - File Exchange

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Highlights from
Scalable MPEG compression based on DCT coefficients

MainGUI(varargin) MAINGUI M-file for MainGUI.fig
BmotionEstARPS(imgP, imgI, mb... Computes motion vectors using Adaptive Rood Pattern Search method
BmotionEstARPS(imgP, imgI, mb... Computes motion vectors using Adaptive Rood Pattern Search method
BmotionEstARPS(imgP, imgI, mb... Computes motion vectors using Adaptive Rood Pattern Search method
BmotionEstARPS(imgP, imgI, mb... Computes motion vectors using Adaptive Rood Pattern Search method
BmotionEstES(imgP, imgI, mbSi... Computes motion vectors using exhaustive search method
BmotionEstES(imgP, imgI, mbSi... Computes motion vectors using exhaustive search method
BmotionEstTSS(imgP, imgI, mbS... Computes motion vectors using Three Step Search method
BmotionEstTSS(imgP, imgI, mbS... Computes motion vectors using Three Step Search method
Idecoder(X,B,E,array,MatAC,Ma... layer = inverseDCT(layer,DCT_trans,array);
Idecoder(X,B,array,MatAC,MatD... layer = inverseDCT(layer,DCT_trans,array);
JQ1=compensatedFrameB(Im,buff... imgComp=double(imgComp);
JQ1=compensatedFrameB(Im,buff... imgComp=double(imgComp);
JQ=forwardDCT(Im,array)
JQ=forwardDCT(Im,array)
MC(xref,vx,vy,N); Motion compensation/prediction for image coding.
MC(xref,vx,vy,N); Motion compensation/prediction for image coding.
X=huffEncode1(val,run) huffman encoding
X=huffEncode1(val,run) huffman encoding
X=huffEncodeDC(val) huffman encoding
X=huffEncodeDC(val) huffman encoding
[B2,B3,P4,B5,B6,P7,B8,B9,I10]...
[B2,B3,P4,B5,B6,P7,B8,B9,I10]...
[B2,B3,P4,B5,B6,P7,B8,B9,I10]...
[B2,B3,P4,B5,B6,P7,B8,B9,I10]...
[B2,B3,P4,B5,B6,P7,B8,B9,I10]...
[bufferImageP,streamP,motionV... imageSubtract2=double(imageSubtract2);
[bufferImageP,streamP,motionV... imageSubtract2=double(imageSubtract2);
[bufferImageP,subFrame]=pFram...
[bufferImageP,subFrame]=pFram...
[diffDC,valVectorBase,lenVect...
[diffDC,valVectorBase,lenVect...
[motionVect, zeroMatrixCount]...
[motionVect, zeroMatrixCount]...
[run,category]=detableAC2(bas...
[run,category]=detableAC2(bas...
[valq,runq]=rle(result)
[valq,runq]=rle(result)
acDecode(B,MatAC)
acDecode(B,MatAC)
bDecoder(X,B,E,array,MatAC,Ma...
bDecoder(X,B,array,MatAC,MatD...
bFrameCal(ImB,bufferImageIP,a...
bFrameCal(ImB,bufferImageIP,a...
bFrameProc(B,I,P,array,mbSize...
bFrameProc(B,I,P,array,mbSize...
basecode=tableAC2(run,categor...
basecode=tableAC2(run,categor...
basecode=tableDC(category)
basecode=tableDC(category)
category=detableDC(basecode)
category=detableDC(basecode)
chkcategory(valt,category)
chkcategory(valt,category)
codes=blk_thres_coding(codes,... threshold coding for intensity images
costFuncMAD(currentBlk,refBlk... Computes the Mean Absolute Difference (MAD) for the given two blocks
costFuncMAD(currentBlk,refBlk... Computes the Mean Absolute Difference (MAD) for the given two blocks
dcDecode(X,MatDC)
dcDecode(X,MatDC)
deZigZag(data)
deZigZag(data)
decoder(X,B,E,motionVect,iden...
decoder(X,B,motionVect,identi...
huffDecode1(X,MatAC) huffman decoding
huffDecode1(X,MatAC) huffman decoding
huffDecodeDC(X,MatDC) huffman decoding
huffDecodeDC(X,MatDC) huffman decoding
imgPSNR(imgP, imgComp, n) Computes motion compensated image's PSNR
imgPSNR(imgP, imgComp, n) Computes motion compensated image's PSNR
inverseDCT(JQ,array)
inverseDCT(JQ,array)
m=deRunLength(X,B,E,array,Mat...
m=deRunLength(X,B,array,MatAC...
main(fileName, quantizationTa...
makeLayers(c)
makeLayers(c)
mergeLayer(DC,BaseLayer)
mergeLayer(DC,BaseLayer,Enhan... ee=size(EnhansLayer);
minCost(costs) Finds the indices of the cell that holds the minimum cost
minCost(costs) Finds the indices of the cell that holds the minimum cost
motionComp(imgI, motionVect, ... Computes motion compensated image using the given motion vectors
motionComp(imgI, motionVect, ... Computes motion compensated image using the given motion vectors
motionEstDS(imgP, imgI, mbSiz... Computes motion vectors using Diamond Search method
motionEstDS(imgP, imgI, mbSiz... Computes motion vectors using Diamond Search method
motionEstES(imgP, imgI, mbSiz... Computes motion vectors using exhaustive search method
motionEstES(imgP, imgI, mbSiz... Computes motion vectors using exhaustive search method
motionEstES(imgP, imgI, mbSiz... Computes motion vectors using exhaustive search method
motionEstES(imgP, imgI, mbSiz... Computes motion vectors using exhaustive search method
motionEstTSS(imgP, imgI, mbSi... Computes motion vectors using Three Step Search method
motionEstTSS(imgP, imgI, mbSi... Computes motion vectors using Three Step Search method
pDecoder(X,B,E,array,MatAC,Ma...
pDecoder(X,B,array,MatAC,MatD...
rld(valq,runq)
rld(valq,runq)
rms(in,dim)
rms(in,dim)
rms(in,dim)
shat(originalSI,decodedSI,ori... shat
shat(originalSI,decodedSI,ori...
shat(originalSI,decodedSI,ori... shat
shat1(Original,Decoded,previo... spatial information
shat1(Original,Decoded,previo... %%%spatial information
shat1(Original,Decoded,previo... spatial information
zigzag(data)
zigzag(data)
compressionRatioPlotter.m
main44.m
resultplotter.m
shattest.m
shattest1.m
udpdemo.m
videoedit.m
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from Scalable MPEG compression based on DCT coefficients by Zahid Ali
This application makes 2 layers base Layer and enhancement layer from quantized coefficients

[motionVect, zeroMatrixCount]=BmotionEstES(Im,bufferImage,mbSize,p)
function [motionVect, zeroMatrixCount]=BmotionEstES(Im,bufferImage,mbSize,p)

Highlights from Scalable MPEG compression based on DCT coefficients

Highlights from
Scalable MPEG compression based on DCT coefficients