def find_optimal_vertical_seam(cumulativeEnergyMap):
rows, columns = cumulativeEnergyMap.shape
minEnergy = cumulativeEnergyMap[rows-1][0]
mincol = 0
for c in range(columns):
if minEnergy > min(minEnergy, getElement(rows-1, c, cumulativeEnergyMap)):
mincol = c
minEnergy = cumulativeEnergyMap[rows-1][c]
colVector = []
colVector.append(mincol)
for r in reversed(range(rows-1)):
minval = min(getElement(r, mincol, cumulativeEnergyMap), getElement(r, mincol-1, cumulativeEnergyMap), getElement(r, mincol+1, cumulativeEnergyMap))
if minval == getElement(r, mincol, cumulativeEnergyMap):
colVector.append(mincol)
elif minval == getElement(r, mincol-1, cumulativeEnergyMap):
colVector.append(mincol-1)
mincol = mincol-1
else:
colVector.append(mincol+1)
mincol = mincol=1
return colVector[::-1]
def find_optimal_horizontal_seam(cumulativeEnergyMap):
rows, columns = cumulativeEnergyMap.shape
minEnergy = cumulativeEnergyMap[0][columns-1]
minrow = 0
for r in range(rows):
if (minEnergy > min(minEnergy, getElement(r, columns-1, cumulativeEnergyMap))):
minrow = r
minEnergy = cumulativeEnergyMap[r][columns-1]
colVector = []
colVector.append(minrow)
for c in reversed(range(columns-1)):
minval = min(getElement( minrow,c, cumulativeEnergyMap), getElement(minrow-1,c, cumulativeEnergyMap), getElement(minrow+1, c, cumulativeEnergyMap))
if minval == getElement( minrow, c, cumulativeEnergyMap):
colVector.append(minrow)
elif minval == getElement(minrow-1,c, cumulativeEnergyMap):
colVector.append(minrow-1)
minrow = minrow-1
else:
colVector.append(minrow+1)
minrow = minrow+1
return colVector[::-1]
