def _extractData(self, seq, color, minsize, maxsize, appx_level):
"""
Extract the bulk of the data from a give blob. If the blob's are is too large
or too small the method returns none.
"""
if (seq is None or not len(seq)):
return None
area = cv.ContourArea(seq)
if (area < minsize or area > maxsize):
return None
retVal = Blob()
retVal.image = color
retVal.mArea = area
retVal.mMinRectangle = cv.MinAreaRect2(seq)
bb = cv.BoundingRect(seq)
retVal.x = bb[0] + (bb[2] / 2)
retVal.y = bb[1] + (bb[3] / 2)
retVal.mPerimeter = cv.ArcLength(seq)
if (seq is not None): #KAS
retVal.mContour = list(seq)
try:
import cv2
if (retVal.mContour is not None):
retVal.mContourAppx = []
appx = cv2.approxPolyDP(
np.array([retVal.mContour], 'float32'), appx_level,
True)
for p in appx:
retVal.mContourAppx.append(
(int(p[0][0]), int(p[0][1])))
except:
pass
# so this is a bit hacky....
# For blobs that live right on the edge of the image OpenCV reports the position and width
# height as being one over for the true position. E.g. if a blob is at (0,0) OpenCV reports
# its position as (1,1). Likewise the width and height for the other corners is reported as
# being one less than the width and height. This is a known bug.
xx = bb[0]
yy = bb[1]
ww = bb[2]
hh = bb[3]
retVal.points = [(xx, yy), (xx + ww, yy), (xx + ww, yy + hh),
(xx, yy + hh)]
retVal._updateExtents()
chull = cv.ConvexHull2(seq, cv.CreateMemStorage(), return_points=1)
retVal.mConvexHull = list(chull)
# KAS -- FLAG FOR REPLACE 6/6/2012
#hullMask = self._getHullMask(chull,bb)
# KAS -- FLAG FOR REPLACE 6/6/2012
#retVal.mHullImg = self._getBlobAsImage(chull,bb,color.getBitmap(),hullMask)
# KAS -- FLAG FOR REPLACE 6/6/2012
#retVal.mHullMask = Image(hullMask)
del chull
moments = cv.Moments(seq)
#This is a hack for a python wrapper bug that was missing
#the constants required from the ctype
retVal.m00 = area
try:
retVal.m10 = moments.m10
retVal.m01 = moments.m01
retVal.m11 = moments.m11
retVal.m20 = moments.m20
retVal.m02 = moments.m02
retVal.m21 = moments.m21
retVal.m12 = moments.m12
except:
retVal.m10 = cv.GetSpatialMoment(moments, 1, 0)
retVal.m01 = cv.GetSpatialMoment(moments, 0, 1)
retVal.m11 = cv.GetSpatialMoment(moments, 1, 1)
retVal.m20 = cv.GetSpatialMoment(moments, 2, 0)
retVal.m02 = cv.GetSpatialMoment(moments, 0, 2)
retVal.m21 = cv.GetSpatialMoment(moments, 2, 1)
retVal.m12 = cv.GetSpatialMoment(moments, 1, 2)
retVal.mHu = cv.GetHuMoments(moments)
# KAS -- FLAG FOR REPLACE 6/6/2012
mask = self._getMask(seq, bb)
#retVal.mMask = Image(mask)
retVal.mAvgColor = self._getAvg(color.getBitmap(), bb, mask)
retVal.mAvgColor = retVal.mAvgColor[0:3]
#retVal.mAvgColor = self._getAvg(color.getBitmap(),retVal.mBoundingBox,mask)
#retVal.mAvgColor = retVal.mAvgColor[0:3]
# KAS -- FLAG FOR REPLACE 6/6/2012
#retVal.mImg = self._getBlobAsImage(seq,bb,color.getBitmap(),mask)
retVal.mHoleContour = self._getHoles(seq)
retVal.mAspectRatio = retVal.mMinRectangle[1][
0] / retVal.mMinRectangle[1][1]
return retVal
def _extractData(self, contour, hierarchy, contourNum, color, minsize,
maxsize, appx_level):
"""
Extract the bulk of the data from a give blob. If the blob's are is too large
or too small the method returns none.
"""
if (contour is None or not len(contour)):
return None
area = cv2.contourArea(contour)
if (area < minsize or area > maxsize):
return None
retVal = Blob()
retVal.image = color
retVal.mArea = area
retVal.mMinRectangle = cv2.minAreaRect(contour)
bb = cv2.boundingRect(contour)
retVal.x = bb[0] + (bb[2] / 2)
retVal.y = bb[1] + (bb[3] / 2)
retVal.mPerimeter = cv2.arcLength(contour, True)
retVal.mContour = contour
if (retVal.mContour is not None):
retVal.mContourAppx = []
appx = cv2.approxPolyDP(np.array(retVal.mContour, 'float32'),
appx_level, True)
for p in appx:
retVal.mContourAppx.append((int(p[0][0]), int(p[0][1])))
# so this is a bit hacky....
# For blobs that live right on the edge of the image OpenCV reports the position and width
# height as being one over for the true position. E.g. if a blob is at (0,0) OpenCV reports
# its position as (1,1). Likewise the width and height for the other corners is reported as
# being one less than the width and height. This is a known bug.
xx = bb[0]
yy = bb[1]
ww = bb[2]
hh = bb[3]
retVal.points = [(xx, yy), (xx + ww, yy), (xx + ww, yy + hh),
(xx, yy + hh)]
retVal._updateExtents()
chull = cv2.convexHull(contour, returnPoints=1)
retVal._mConvexHullnp = chull
retVal.mConvexHull = list(tuple(pt[0]) for pt in list(chull))
# KAS -- FLAG FOR REPLACE 6/6/2012
#hullMask = self._getHullMask(chull,bb)
# KAS -- FLAG FOR REPLACE 6/6/2012
#retVal.mHullImg = self._getBlobAsImage(chull,bb,color.getBitmap(),hullMask)
# KAS -- FLAG FOR REPLACE 6/6/2012
#retVal.mHullMask = Image(hullMask)
moments = cv2.moments(contour)
#This is a hack for a python wrapper bug that was missing
#the constants required from the ctype
retVal.m00 = area
retVal.m10 = moments['m10']
retVal.m01 = moments['m01']
retVal.m11 = moments['m11']
retVal.m20 = moments['m20']
retVal.m02 = moments['m02']
retVal.m21 = moments['m21']
retVal.m12 = moments['m12']
retVal.mHu = cv2.HuMoments(moments)
# KAS -- FLAG FOR REPLACE 6/6/2012
mask = self._getMask(contour, bb)
#retVal.mMask = Image(mask)
retVal.mAvgColor = self._getAvg(color.getNumpy(), bb, mask)
retVal.mAvgColor = retVal.mAvgColor[0:3]
# KAS -- FLAG FOR REPLACE 6/6/2012
#retVal.mImg = self._getBlobAsImage(seq,bb,color.getBitmap(),mask)
retVal.mHoleContour = self._getHoles(contourNum)
retVal.mAspectRatio = retVal.mMinRectangle[1][
0] / retVal.mMinRectangle[1][1]
return retVal
def _extractData(self,seq,color,minsize,maxsize,appx_level):
"""
Extract the bulk of the data from a give blob. If the blob's are is too large
or too small the method returns none.
"""
if( seq is None or not len(seq)):
return None
area = cv.ContourArea(seq)
if( area < minsize or area > maxsize):
return None
retVal = Blob()
retVal.image = color
retVal.mArea = area
retVal.mMinRectangle = cv.MinAreaRect2(seq)
bb = cv.BoundingRect(seq)
retVal.x = bb[0]+(bb[2]/2)
retVal.y = bb[1]+(bb[3]/2)
retVal.mPerimeter = cv.ArcLength(seq)
if( seq is not None): #KAS
retVal.mContour = list(seq)
try:
import cv2
if( retVal.mContour is not None):
retVal.mContourAppx = []
appx = cv2.approxPolyDP(np.array([retVal.mContour],'float32'),appx_level,True)
for p in appx:
retVal.mContourAppx.append((int(p[0][0]),int(p[0][1])))
except:
pass
# so this is a bit hacky....
# For blobs that live right on the edge of the image OpenCV reports the position and width
# height as being one over for the true position. E.g. if a blob is at (0,0) OpenCV reports
# its position as (1,1). Likewise the width and height for the other corners is reported as
# being one less than the width and height. This is a known bug.
xx = bb[0]
yy = bb[1]
ww = bb[2]
hh = bb[3]
retVal.points = [(xx,yy),(xx+ww,yy),(xx+ww,yy+hh),(xx,yy+hh)]
retVal._updateExtents()
chull = cv.ConvexHull2(seq,cv.CreateMemStorage(),return_points=1)
retVal.mConvexHull = list(chull)
# KAS -- FLAG FOR REPLACE 6/6/2012
#hullMask = self._getHullMask(chull,bb)
# KAS -- FLAG FOR REPLACE 6/6/2012
#retVal.mHullImg = self._getBlobAsImage(chull,bb,color.getBitmap(),hullMask)
# KAS -- FLAG FOR REPLACE 6/6/2012
#retVal.mHullMask = Image(hullMask)
del chull
moments = cv.Moments(seq)
#This is a hack for a python wrapper bug that was missing
#the constants required from the ctype
retVal.m00 = area
try:
retVal.m10 = moments.m10
retVal.m01 = moments.m01
retVal.m11 = moments.m11
retVal.m20 = moments.m20
retVal.m02 = moments.m02
retVal.m21 = moments.m21
retVal.m12 = moments.m12
except:
retVal.m10 = cv.GetSpatialMoment(moments,1,0)
retVal.m01 = cv.GetSpatialMoment(moments,0,1)
retVal.m11 = cv.GetSpatialMoment(moments,1,1)
retVal.m20 = cv.GetSpatialMoment(moments,2,0)
retVal.m02 = cv.GetSpatialMoment(moments,0,2)
retVal.m21 = cv.GetSpatialMoment(moments,2,1)
retVal.m12 = cv.GetSpatialMoment(moments,1,2)
retVal.mHu = cv.GetHuMoments(moments)
# KAS -- FLAG FOR REPLACE 6/6/2012
mask = self._getMask(seq,bb)
#retVal.mMask = Image(mask)
retVal.mAvgColor = self._getAvg(color.getBitmap(),bb,mask)
retVal.mAvgColor = retVal.mAvgColor[0:3]
#retVal.mAvgColor = self._getAvg(color.getBitmap(),retVal.mBoundingBox,mask)
#retVal.mAvgColor = retVal.mAvgColor[0:3]
# KAS -- FLAG FOR REPLACE 6/6/2012
#retVal.mImg = self._getBlobAsImage(seq,bb,color.getBitmap(),mask)
retVal.mHoleContour = self._getHoles(seq)
retVal.mAspectRatio = retVal.mMinRectangle[1][0]/retVal.mMinRectangle[1][1]
return retVal
def _extractData(self, contour, hierarchy, contourNum, color, minsize, maxsize, appx_level):
"""
Extract the bulk of the data from a give blob. If the blob's are is too large
or too small the method returns none.
"""
if contour is None or not len(contour):
return None
area = cv2.contourArea(contour)
if area < minsize or area > maxsize:
return None
retVal = Blob()
retVal.image = color
retVal.mArea = area
retVal.mMinRectangle = cv2.minAreaRect(contour)
bb = cv2.boundingRect(contour)
retVal.x = bb[0] + (bb[2] / 2)
retVal.y = bb[1] + (bb[3] / 2)
retVal.mPerimeter = cv2.arcLength(contour, True)
retVal.mContour = contour
if retVal.mContour is not None:
retVal.mContourAppx = []
appx = cv2.approxPolyDP(np.array(retVal.mContour, "float32"), appx_level, True)
for p in appx:
retVal.mContourAppx.append((int(p[0][0]), int(p[0][1])))
# so this is a bit hacky....
# For blobs that live right on the edge of the image OpenCV reports the position and width
# height as being one over for the true position. E.g. if a blob is at (0,0) OpenCV reports
# its position as (1,1). Likewise the width and height for the other corners is reported as
# being one less than the width and height. This is a known bug.
xx = bb[0]
yy = bb[1]
ww = bb[2]
hh = bb[3]
retVal.points = [(xx, yy), (xx + ww, yy), (xx + ww, yy + hh), (xx, yy + hh)]
retVal._updateExtents()
chull = cv2.convexHull(contour, returnPoints=1)
retVal._mConvexHullnp = chull
retVal.mConvexHull = list(tuple(pt[0]) for pt in list(chull))
# KAS -- FLAG FOR REPLACE 6/6/2012
# hullMask = self._getHullMask(chull,bb)
# KAS -- FLAG FOR REPLACE 6/6/2012
# retVal.mHullImg = self._getBlobAsImage(chull,bb,color.getBitmap(),hullMask)
# KAS -- FLAG FOR REPLACE 6/6/2012
# retVal.mHullMask = Image(hullMask)
moments = cv2.moments(contour)
# This is a hack for a python wrapper bug that was missing
# the constants required from the ctype
retVal.m00 = area
retVal.m10 = moments["m10"]
retVal.m01 = moments["m01"]
retVal.m11 = moments["m11"]
retVal.m20 = moments["m20"]
retVal.m02 = moments["m02"]
retVal.m21 = moments["m21"]
retVal.m12 = moments["m12"]
retVal.mHu = cv2.HuMoments(moments)
# KAS -- FLAG FOR REPLACE 6/6/2012
mask = self._getMask(contour, bb)
# retVal.mMask = Image(mask)
retVal.mAvgColor = self._getAvg(color.getNumpy(), bb, mask)
retVal.mAvgColor = retVal.mAvgColor[0:3]
# KAS -- FLAG FOR REPLACE 6/6/2012
# retVal.mImg = self._getBlobAsImage(seq,bb,color.getBitmap(),mask)
retVal.mHoleContour = self._getHoles(contourNum)
retVal.mAspectRatio = retVal.mMinRectangle[1][0] / retVal.mMinRectangle[1][1]
return retVal