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Fix detectAttVectorized

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This commit is contained in:
kradchen
2023-05-22 14:07:27 +08:00
parent a4a972f99f
commit 5276d1cc42
2 changed files with 43 additions and 26 deletions
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37
src/transmissionReconstruction/detection/detection.cpp
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@@ -84,9 +84,10 @@ namespace Recon {
if(gaussWindow)
{
auto expectedPosWater = (distBlock / expectedSOSWater) * sampleRate + startOffset;
auto windowWidth = calcResult.endSearch-calcResult.startSearch;
#pragma omp parallel for
for (size_t i = 0; i < AscanBlock.getDimSize(1); i++)
{
auto windowWidth = calcResult.endSearch-calcResult.startSearch;
auto t = linspace(-5,5,windowWidth[i]);
auto gauss = exp( -0.1 * (transpose(t) ^ 2));
@@ -105,6 +106,7 @@ namespace Recon {
}
}
else{
#pragma omp parallel for
for (size_t i = 0; i < AscanBlock.getDimSize(1); i++) {
for (size_t j = calcResult.startSearch[i] - 1;
j < calcResult.endSearch[i]; j++) {
@@ -118,7 +120,6 @@ namespace Recon {
return result;
}
//TODO:need test
Aurora::Matrix detectAttVectorized(const Aurora::Matrix &Ascan, const Aurora::Matrix &AscanRef,
const Aurora::Matrix &distRef,
const Aurora::Matrix &sosWaterRef,
@@ -170,24 +171,34 @@ namespace Recon {
auto sampleRate = aScanReconstructionFrequency;
double offsetElectronicSamples = offsetElectronic * sampleRate;
Matrix diffStartSearch;
TimeWindowResult timeResult1;
timeResult1.AscanBlockProcessed = AscanBlock;
TimeWindowResult timeResult2;
timeResult2.AscanBlockProcessed = AscanRefBlock;
if (useTimeWindowing == 1)
{
auto timeResult1 = applyTimeWindowing(AscanBlock, sampleRate, distBlock, sosWaterBlock, expectedSOSWater, offsetElectronicSamples, detectionWindowSOS, minSpeedOfSound, maxSpeedOfSound, gaussWindow);
auto timeResult2= applyTimeWindowing(AscanRefBlock, sampleRate, distBlockRef, sosWaterRefBlock, expectedSOSWater, offsetElectronicSamples, detectionWindowSOS, minSpeedOfSound, maxSpeedOfSound, gaussWindow);
timeResult1 = applyTimeWindowing(AscanBlock, sampleRate, distBlock, sosWaterBlock, expectedSOSWater, offsetElectronicSamples, detectionWindowSOS, minSpeedOfSound, maxSpeedOfSound, gaussWindow);
timeResult2 = applyTimeWindowing(AscanRefBlock, sampleRate, distBlockRef, sosWaterRefBlock, expectedSOSWater, offsetElectronicSamples, detectionWindowSOS, minSpeedOfSound, maxSpeedOfSound, gaussWindow);
diffStartSearch = timeResult1.startSearch - timeResult1.startSearch;
}
auto _AscanBlock = timeResult1.AscanBlockProcessed;
auto _AscanRefBlock = timeResult2.AscanBlockProcessed;
auto m = std::max(size(AscanBlock, 1), size(AscanRefBlock, 1));
auto maxlag = std::max(size(AscanBlock, 1), size(AscanRefBlock, 1)) - 1;
auto m = std::max(size(_AscanBlock, 1), size(_AscanRefBlock, 1));
auto maxlag = std::max(size(_AscanBlock, 1), size(_AscanRefBlock, 1)) - 1;
auto mxl = std::min(maxlag, m-1);
auto ceilLog2 = nextpow2(2*m-1);
auto m2 = pow(2,ceilLog2);
auto x = fft(AscanBlock, m2);
auto y = fft(AscanRefBlock, m2);
auto c1 = ifft(x*conj(y));
auto c = complex(zeros(mxl+mxl+1,c1.getDimSize(1)));
auto x = fft(_AscanBlock, m2);
auto y = fft(_AscanRefBlock, m2);
auto c_1_1 = x*conj(y);
auto c_1_2 = ifft(c_1_1);
auto c1 = real(c_1_2);
auto c = zeros(mxl+mxl+1,c1.getDimSize(1));
#pragma omp parallel for
for (size_t i = 0; i < mxl; i++)
{
c(i,$) = c1(m2-mxl+i, $);
@@ -196,11 +207,12 @@ namespace Recon {
c(mxl+mxl,$) = c1(mxl, $);
auto shiftInSamples =zeros(1,c1.getDimSize(1));
#pragma omp parallel for
for (size_t i = 0; i < c1.getDimSize(1); i++)
{
long rowID=0,colID=0;
max(c(i,$).toMatrix(),All,rowID,colID);
shiftInSamples[i]=-maxlag+colID;
max(c($,i).toMatrix(),All,rowID,colID);
shiftInSamples[i]=-maxlag+colID+rowID;
}
if (useTimeWindowing)
{
@@ -208,5 +220,6 @@ namespace Recon {
}
auto tof = shiftInSamples / sampleRate + distBlock / sosWaterBlock;
auto sosValue = distBlock / tof;
return tof;
}
}