mem=cvCreateMemStorage(0)
def rectangularAspectFilter(contour):
ret=False
try:
box=cvMinAreaRect2(contour,mem)
if box.size.width > CONTOUR_RECTANGULAR_MIN_RATIO* box.size.height and\
box.size.width < CONTOUR_RECTANGULAR_MAX_RATIO* box.size.height\
or box.size.height > CONTOUR_RECTANGULAR_MIN_RATIO* box.size.width and\
box.size.height < CONTOUR_RECTANGULAR_MAX_RATIO* box.size.width:
try:
ret=abs(cvContourArea(contour))> MINCONTOUR_AREA
except:
pass
return ret
def boxAreaFilter(contour):
#checks if a contour area is similar to the bounding box containing that contour
ret=False
try:
box=cvMinAreaRect2(contour,mem)
boxArea=box.size.width*box.size.height
def rectangularAspectFilter(contour):
ret = False
try:
box = cvMinAreaRect2(contour, mem)
if box.size.width > CONTOUR_RECTANGULAR_MIN_RATIO* box.size.height and\
box.size.width < CONTOUR_RECTANGULAR_MAX_RATIO* box.size.height\
or box.size.height > CONTOUR_RECTANGULAR_MIN_RATIO* box.size.width and\
box.size.height < CONTOUR_RECTANGULAR_MAX_RATIO* box.size.width:
ret = True
else:
#print("No paso el rectangular Fitlter")
ret = False
except:
pass
return ret
def boxAreaFilter(contour):
#checks if a contour area is similar to the bounding box containing that contour
ret = False
try:
box = cvMinAreaRect2(contour, mem)
boxArea = box.size.width * box.size.height
contourArea = abs(cvContourArea(contour))
dif = boxArea - contourArea
ret = (1 - (dif / boxArea))
#calcs the percentage of the boxarea that the contourarea covers
#print("contourArea: " + str(contourArea) + "boxarea: " + str(boxArea))
except:
pass
if (ret > BOXFILTER_TOLERANCE):
return True
else:
#print("No paso el boxarea filter")
return False
