Examples with ComplexDoubleMatrix org.jblas.ComplexDoubleMatrix used on opensource projects

Example 1 with ComplexDoubleMatrix

use of org.jblas.ComplexDoubleMatrix in project s1tbx by senbox-org.

the class CoherenceOp method computePartialTile.

private void computePartialTile(final int subSwathIndex, final int burstIndex, final int firstLineIdx, final Rectangle targetRectangle, final Map<Band, Tile> targetTileMap) throws OperatorException {
    try {
        final BorderExtender border = BorderExtender.createInstance(BorderExtender.BORDER_ZERO);
        final int y0 = targetRectangle.y;
        final int yN = y0 + targetRectangle.height - 1;
        final int x0 = targetRectangle.x;
        final int xN = x0 + targetRectangle.width - 1;
        final int cohx0 = targetRectangle.x - (cohWinRg - 1) / 2;
        final int cohy0 = targetRectangle.y - (cohWinAz - 1) / 2;
        final int cohw = targetRectangle.width + cohWinRg - 1;
        final int cohh = targetRectangle.height + cohWinAz - 1;
        final Rectangle extRect = new Rectangle(cohx0, cohy0, cohw, cohh);
        final org.jlinda.core.Window tileWindow = new org.jlinda.core.Window(cohy0 - firstLineIdx, cohy0 + cohh - 1 - firstLineIdx, cohx0, cohx0 + cohw - 1);
        final SLCImage mstMeta = targetMap.values().iterator().next().sourceMaster.metaData.clone();
        updateMstMetaData(burstIndex, mstMeta);
        final Orbit mstOrbit = targetMap.values().iterator().next().sourceMaster.orbit;
        DemTile demTile = null;
        if (subtractTopographicPhase) {
            demTile = TopoPhase.getDEMTile(tileWindow, mstMeta, mstOrbit, dem, demNoDataValue, demSamplingLat, demSamplingLon, tileExtensionPercent);
            if (demTile == null) {
                throw new OperatorException("The selected DEM has no overlap with the image or is invalid.");
            }
            if (demTile.getData().length < 3 || demTile.getData()[0].length < 3) {
                throw new OperatorException("The resolution of the selected DEM is too low, " + "please select DEM with higher resolution.");
            }
        }
        final int minLine = 0;
        final int maxLine = subSwath[subSwathIndex - 1].linesPerBurst - 1;
        final int minPixel = 0;
        final int maxPixel = subSwath[subSwathIndex - 1].samplesPerBurst - 1;
        for (String cohKey : targetMap.keySet()) {
            final ProductContainer product = targetMap.get(cohKey);
            final SLCImage slvMeta = product.sourceSlave.metaData.clone();
            updateSlvMetaData(product, burstIndex, slvMeta);
            final Orbit slvOrbit = product.sourceSlave.orbit;
            final Tile mstTileReal = getSourceTile(product.sourceMaster.realBand, extRect, border);
            final Tile mstTileImag = getSourceTile(product.sourceMaster.imagBand, extRect, border);
            final ComplexDoubleMatrix dataMaster = TileUtilsDoris.pullComplexDoubleMatrix(mstTileReal, mstTileImag);
            final Tile slvTileReal = getSourceTile(product.sourceSlave.realBand, extRect, border);
            final Tile slvTileImag = getSourceTile(product.sourceSlave.imagBand, extRect, border);
            final ComplexDoubleMatrix dataSlave = TileUtilsDoris.pullComplexDoubleMatrix(slvTileReal, slvTileImag);
            final String polynomialName = product.sourceSlave.name + '_' + (subSwathIndex - 1) + '_' + burstIndex;
            if (subtractFlatEarthPhase) {
                final DoubleMatrix flatEarthPhase = computeFlatEarthPhase(cohx0, cohx0 + cohw - 1, cohw, cohy0 - firstLineIdx, cohy0 + cohh - 1 - firstLineIdx, cohh, minPixel, maxPixel, minLine, maxLine, polynomialName);
                final ComplexDoubleMatrix complexReferencePhase = new ComplexDoubleMatrix(MatrixFunctions.cos(flatEarthPhase), MatrixFunctions.sin(flatEarthPhase));
                dataSlave.muli(complexReferencePhase);
                if (OUTPUT_PHASE) {
                    saveFlatEarthPhase(x0, xN, y0, yN, flatEarthPhase, product, targetTileMap);
                }
            }
            if (subtractTopographicPhase) {
                TopoPhase topoPhase = TopoPhase.computeTopoPhase(mstMeta, mstOrbit, slvMeta, slvOrbit, tileWindow, demTile, false);
                final ComplexDoubleMatrix ComplexTopoPhase = new ComplexDoubleMatrix(MatrixFunctions.cos(new DoubleMatrix(topoPhase.demPhase)), MatrixFunctions.sin(new DoubleMatrix(topoPhase.demPhase)));
                dataSlave.muli(ComplexTopoPhase);
                if (OUTPUT_PHASE) {
                    saveTopoPhase(x0, xN, y0, yN, topoPhase.demPhase, product, targetTileMap);
                }
            }
            for (int i = 0; i < dataMaster.length; i++) {
                double tmp = norm(dataMaster.get(i));
                dataMaster.put(i, dataMaster.get(i).mul(dataSlave.get(i).conj()));
                dataSlave.put(i, new ComplexDouble(norm(dataSlave.get(i)), tmp));
            }
            DoubleMatrix cohMatrix = SarUtils.coherence2(dataMaster, dataSlave, cohWinAz, cohWinRg);
            saveCoherence(cohMatrix, product, targetTileMap, targetRectangle);
        }
    } catch (Throwable e) {
        OperatorUtils.catchOperatorException(getId(), e);
    }
}

Example 2 with ComplexDoubleMatrix

use of org.jblas.ComplexDoubleMatrix in project s1tbx by senbox-org.

the class CoherenceOp method computeTileForNormalProduct.

private void computeTileForNormalProduct(final Map<Band, Tile> targetTileMap, Rectangle targetRectangle, ProgressMonitor pm) throws OperatorException {
    try {
        final BorderExtender border = BorderExtender.createInstance(BorderExtender.BORDER_ZERO);
        final int y0 = targetRectangle.y;
        final int yN = y0 + targetRectangle.height - 1;
        final int x0 = targetRectangle.x;
        final int xN = targetRectangle.x + targetRectangle.width - 1;
        // System.out.println("x0 = " + x0 +", y0 = " + y0 + ", w = " + targetRectangle.width + ", h = " + targetRectangle.height);
        final int cohx0 = targetRectangle.x - (cohWinRg - 1) / 2;
        final int cohy0 = targetRectangle.y - (cohWinAz - 1) / 2;
        final int cohw = targetRectangle.width + cohWinRg - 1;
        final int cohh = targetRectangle.height + cohWinAz - 1;
        final Rectangle extRect = new Rectangle(cohx0, cohy0, cohw, cohh);
        final org.jlinda.core.Window tileWindow = new org.jlinda.core.Window(cohy0, cohy0 + cohh - 1, cohx0, cohx0 + cohw - 1);
        DemTile demTile = null;
        if (subtractTopographicPhase) {
            demTile = TopoPhase.getDEMTile(tileWindow, targetMap, dem, demNoDataValue, demSamplingLat, demSamplingLon, tileExtensionPercent);
            if (demTile.getData().length < 3 || demTile.getData()[0].length < 3) {
                throw new OperatorException("The resolution of the selected DEM is too low, " + "please select DEM with higher resolution.");
            }
        }
        for (String cohKey : targetMap.keySet()) {
            final ProductContainer product = targetMap.get(cohKey);
            final Tile mstTileReal = getSourceTile(product.sourceMaster.realBand, extRect, border);
            final Tile mstTileImag = getSourceTile(product.sourceMaster.imagBand, extRect, border);
            final ComplexDoubleMatrix dataMaster = TileUtilsDoris.pullComplexDoubleMatrix(mstTileReal, mstTileImag);
            final Tile slvTileReal = getSourceTile(product.sourceSlave.realBand, extRect, border);
            final Tile slvTileImag = getSourceTile(product.sourceSlave.imagBand, extRect, border);
            final ComplexDoubleMatrix dataSlave = TileUtilsDoris.pullComplexDoubleMatrix(slvTileReal, slvTileImag);
            if (subtractFlatEarthPhase) {
                final DoubleMatrix flatEarthPhase = computeFlatEarthPhase(cohx0, cohx0 + cohw - 1, cohw, cohy0, cohy0 + cohh - 1, cohh, 0, sourceImageWidth - 1, 0, sourceImageHeight - 1, product.sourceSlave.name);
                final ComplexDoubleMatrix complexReferencePhase = new ComplexDoubleMatrix(MatrixFunctions.cos(flatEarthPhase), MatrixFunctions.sin(flatEarthPhase));
                dataSlave.muli(complexReferencePhase);
                if (OUTPUT_PHASE) {
                    saveFlatEarthPhase(x0, xN, y0, yN, flatEarthPhase, product, targetTileMap);
                }
            }
            if (subtractTopographicPhase) {
                final TopoPhase topoPhase = TopoPhase.computeTopoPhase(product, tileWindow, demTile, false);
                final ComplexDoubleMatrix ComplexTopoPhase = new ComplexDoubleMatrix(MatrixFunctions.cos(new DoubleMatrix(topoPhase.demPhase)), MatrixFunctions.sin(new DoubleMatrix(topoPhase.demPhase)));
                dataSlave.muli(ComplexTopoPhase);
                if (OUTPUT_PHASE) {
                    saveTopoPhase(x0, xN, y0, yN, topoPhase.demPhase, product, targetTileMap);
                }
            }
            for (int i = 0; i < dataMaster.length; i++) {
                double tmp = norm(dataMaster.get(i));
                dataMaster.put(i, dataMaster.get(i).mul(dataSlave.get(i).conj()));
                dataSlave.put(i, new ComplexDouble(norm(dataSlave.get(i)), tmp));
            }
            DoubleMatrix cohMatrix = SarUtils.coherence2(dataMaster, dataSlave, cohWinAz, cohWinRg);
            saveCoherence(cohMatrix, product, targetTileMap, targetRectangle);
        }
    } catch (Throwable e) {
        OperatorUtils.catchOperatorException(getId(), e);
    } finally {
        pm.done();
    }
}

Example 3 with ComplexDoubleMatrix

use of org.jblas.ComplexDoubleMatrix in project s1tbx by senbox-org.

the class RangeShiftOp method getFineOffsets.

private void getFineOffsets(final PixelPos mGCPPixelPos, final PixelPos sGCPPixelPos, final double[] offset) {
    try {
        ComplexDoubleMatrix mI = getComplexDoubleMatrix(mstBandI, mstBandQ, mGCPPixelPos, fineWinWidth, fineWinHeight);
        ComplexDoubleMatrix sI = getComplexDoubleMatrix(slvBandI, slvBandQ, sGCPPixelPos, fineWinWidth, fineWinHeight);
        final double[] fineOffset = { 0, 0 };
        final double coherence = CoregistrationUtils.crossCorrelateFFT(fineOffset, mI, sI, fineWinOvsFactor, fineWinAccY, fineWinAccX);
        if (coherence < xCorrThreshold) {
            offset[0] = noDataValue;
            offset[1] = noDataValue;
        } else {
            offset[0] = -fineOffset[0];
            offset[1] = -fineOffset[1];
        }
    } catch (Throwable e) {
        OperatorUtils.catchOperatorException(getId() + " getFineOffsets ", e);
    }
}

Example 4 with ComplexDoubleMatrix

use of org.jblas.ComplexDoubleMatrix in project s1tbx by senbox-org.

the class DInSAROp method computeTileStack.

@Override
public void computeTileStack(Map<Band, Tile> targetTileMap, Rectangle targetRectangle, ProgressMonitor pm) throws OperatorException {
    try {
        int y0 = targetRectangle.y;
        int yN = y0 + targetRectangle.height - 1;
        int x0 = targetRectangle.x;
        int xN = targetRectangle.x + targetRectangle.width - 1;
        final Window tileWindow = new Window(y0, yN, x0, xN);
        Band targetBand_I;
        Band targetBand_Q;
        ComplexDoubleMatrix complexDefoPair = null;
        DoubleMatrix doubleTopoPair = null;
        ProductContainer product = null;
        for (String ifgKey : targetMap.keySet()) {
            product = targetMap.get(ifgKey);
            // / check out results from source ///
            Tile tileReal = getSourceTile(product.sourceMaster.realBand, targetRectangle);
            Tile tileImag = getSourceTile(product.sourceMaster.imagBand, targetRectangle);
            complexDefoPair = TileUtilsDoris.pullComplexDoubleMatrix(tileReal, tileImag);
        }
        // always pull from topoProduct
        for (Band band : topoProduct.getBands()) {
            if (band.getName().contains("unw") || band.getUnit().contains(Unit.ABS_PHASE)) {
                // / check out results from source ///
                Tile tileReal = getSourceTile(band, targetRectangle);
                doubleTopoPair = TileUtilsDoris.pullDoubleMatrix(tileReal);
            }
        }
        dinsar.applyDInSAR(tileWindow, complexDefoPair, doubleTopoPair);
        // / commit complexDefoPair back to target ///
        targetBand_I = targetProduct.getBand(product.targetBandName_I);
        Tile tileOutReal = targetTileMap.get(targetBand_I);
        TileUtilsDoris.pushDoubleMatrix(complexDefoPair.real(), tileOutReal, targetRectangle);
        targetBand_Q = targetProduct.getBand(product.targetBandName_Q);
        Tile tileOutImag = targetTileMap.get(targetBand_Q);
        TileUtilsDoris.pushDoubleMatrix(complexDefoPair.imag(), tileOutImag, targetRectangle);
    } catch (Throwable e) {
        OperatorUtils.catchOperatorException(getId(), e);
    }
}

Example 5 with ComplexDoubleMatrix

use of org.jblas.ComplexDoubleMatrix in project s1tbx by senbox-org.

the class PhaseFilterOp method computeTileStack.

@Override
public void computeTileStack(Map<Band, Tile> targetTileMap, Rectangle targetRectangle, ProgressMonitor pm) throws OperatorException {
    try {
        // String filterType = "goldstein";
        // final float alpha = (float) 0.75;
        // final int overlap = 8;
        // final double[] kernel = new double[]{1. / 5, 1. / 5, 1. / 5, 1. / 5, 1. / 5};
        // final int blockSize = 64;
        Band targetBand_I;
        Band targetBand_Q;
        final Rectangle rectIn = new Rectangle(targetRectangle);
        final Rectangle rectOut = new Rectangle(targetRectangle);
        rectIn.y -= (overlap);
        rectIn.height += (2 * overlap);
        rectIn.x -= (overlap);
        rectIn.width += (2 * overlap);
        for (String ifgKey : targetMap.keySet()) {
            ProductContainer product = targetMap.get(ifgKey);
            Tile tileReal = getSourceTile(product.sourceMaster.realBand, rectIn);
            Tile tileImag = getSourceTile(product.sourceMaster.imagBand, rectIn);
            // put interferogram together
            ComplexDoubleMatrix complexIfg = TileUtilsDoris.pullComplexDoubleMatrix(tileReal, tileImag);
            PhaseFilter phaseFilter = new PhaseFilter(method, complexIfg, blockSize, overlap, kernelArray, alpha);
            phaseFilter.filter();
            complexIfg = phaseFilter.getData();
            // commit to target [note the tile overlap and boundary because of filter]
            // output [x0,y0] is shifted because of the tile overlap
            targetBand_I = targetProduct.getBand(product.targetBandName_I);
            Tile tileOutReal = targetTileMap.get(targetBand_I);
            TileUtilsDoris.pushDoubleMatrix(complexIfg.real(), tileOutReal, rectOut, overlap, overlap);
            targetBand_Q = targetProduct.getBand(product.targetBandName_Q);
            Tile tileOutImag = targetTileMap.get(targetBand_Q);
            TileUtilsDoris.pushDoubleMatrix(complexIfg.imag(), tileOutImag, rectOut, overlap, overlap);
        }
    } catch (Exception e) {
        throw new OperatorException(e);
    }
}