def warp1(f, g): usmooth = 8.0 rsmooth = 101 strainMax1 = 0.125 #strainMax1 = 1.0 dstrainMax1 = 0.1 shiftMin = 0 shiftMax = 160 #shiftMax = 250 nr = rsmooth dr = 2.0 * strainMax1 / (nr - 1) fr = -strainMax1 sr = Sampling(nr, dr, fr) dw = DynamicWarping(shiftMin, shiftMax) dw.setErrorExtrapolation(DynamicWarping.ErrorExtrapolation.REFLECT) dw.setStrainMax(strainMax1) dw.setShiftSmoothing(usmooth, usmooth) e1 = dw.computeErrors1(f, g) d1 = dw.accumulateForward(e1) u1 = dw.backtrackReverse(d1, e1) nl = len(e1[0]) def plotShifts(): nl = len(e1[0]) sp = SimplePlot() sp.setSize(1400, 500) sl = Sampling(nl, s1f.delta, shiftMin * s1f.delta) pv = sp.addPixels(s1f, sl, pow(transpose(e1), 1.0)) pv.setInterpolation(PixelsView.Interpolation.NEAREST) pv.setColorModel(ColorMap.JET) pv.setPercentiles(2, 98) pv = sp.addPoints(s1f, mul(s1f.delta, u1)) plotShifts() #u1 = dw.smoothShifts(sr,u1) #u1 = dw.smoothShifts(u1) n1, n2 = len(f[0]), len(f) e1 = dw.computeErrorsRaw(f[n2 / 2], g[n2 / 2]) dw.findShiftsSmooth(dstrainMax1, u1[0], e1, u1) plotShifts() #u1 = dw.findShifts1(f,g) n1, n2 = len(f[0]), len(f) h = zerofloat(n1, n2) u = zerofloat(n1, n2) for i2 in range(n2): copy(u1, u[i2]) dw.applyShifts(u1, g[i2], h[i2]) print "warp1: u min =", min(u), " max =", max(u) return u, h
def warp1(f,g): usmooth = 8.0 rsmooth = 101 strainMax1 = 0.125 #strainMax1 = 1.0 dstrainMax1 = 0.1 shiftMin = 0 shiftMax = 160 #shiftMax = 250 nr = rsmooth; dr = 2.0*strainMax1/(nr-1); fr = -strainMax1 sr = Sampling(nr,dr,fr) dw = DynamicWarping(shiftMin,shiftMax) dw.setErrorExtrapolation(DynamicWarping.ErrorExtrapolation.REFLECT) dw.setStrainMax(strainMax1) dw.setShiftSmoothing(usmooth,usmooth) e1 = dw.computeErrors1(f,g) d1 = dw.accumulateForward(e1) u1 = dw.backtrackReverse(d1,e1) nl = len(e1[0]) def plotShifts(): nl = len(e1[0]) sp = SimplePlot() sp.setSize(1400,500) sl = Sampling(nl,s1f.delta,shiftMin*s1f.delta) pv = sp.addPixels(s1f,sl,pow(transpose(e1),1.0)) pv.setInterpolation(PixelsView.Interpolation.NEAREST) pv.setColorModel(ColorMap.JET) pv.setPercentiles(2,98) pv = sp.addPoints(s1f,mul(s1f.delta,u1)) plotShifts() #u1 = dw.smoothShifts(sr,u1) #u1 = dw.smoothShifts(u1) n1,n2 = len(f[0]),len(f) e1 = dw.computeErrorsRaw(f[n2/2],g[n2/2]); dw.findShiftsSmooth(dstrainMax1,u1[0],e1,u1) plotShifts() #u1 = dw.findShifts1(f,g) n1,n2 = len(f[0]),len(f) h = zerofloat(n1,n2) u = zerofloat(n1,n2) for i2 in range(n2): copy(u1,u[i2]) dw.applyShifts(u1,g[i2],h[i2]) print "warp1: u min =",min(u)," max =",max(u) return u,h
def goFakeErrors(): dw = DynamicWarping(shiftMin, shiftMax) u = zerofloat(n1) for cs in [1.0, 0.5]: e = dw.fakeErrors(cs, nl, n1) plotShifts(e) for ds in [1.0, 0.1, 0.01]: u[0] = 0.0 esum = dw.findShiftsSmooth(ds, e, u) print "cs =", cs, " ds=", ds, " esum =", esum plotShifts(e, u)
def goFakeErrors(): dw = DynamicWarping(shiftMin,shiftMax) u = zerofloat(n1) for cs in [1.0,0.5]: e = dw.fakeErrors(cs,nl,n1) plotShifts(e) for ds in [1.0,0.1,0.01]: u[0] = 0.0 esum = dw.findShiftsSmooth(ds,e,u) print "cs =",cs," ds=",ds," esum =",esum plotShifts(e,u)