def findFaces(self, img):
faces = []
self.detect_time = time.time()
rects = self.face_detector.detect(img)
self.detect_time = time.time() - self.detect_time
cvtile = opencv.cvCreateMat(128, 128, opencv.CV_8UC3)
bwtile = opencv.cvCreateMat(128, 128, opencv.CV_8U)
cvimg = img.asOpenCV()
self.eye_time = time.time()
for rect in rects:
faceim = opencv.cvGetSubRect(cvimg, rect.asOpenCV())
opencv.cvResize(faceim, cvtile)
affine = pv.AffineFromRect(rect, (128, 128))
opencv.cvCvtColor(cvtile, bwtile, cv.CV_BGR2GRAY)
leye, reye, lcp, rcp = self.fel.locateEyes(bwtile)
leye = pv.Point(leye)
reye = pv.Point(reye)
leye = affine.invertPoint(leye)
reye = affine.invertPoint(reye)
faces.append([rect, leye, reye])
self.eye_time = time.time() - self.eye_time
self.current_faces = faces
return faces
def tile_images(img_width, img_height, num_width, num_height, images, channels=3):
w = img_width * num_width
h = img_height * num_height
image = cv.cvCreateImage(cv.cvSize(int(w), int(h)), 8, channels)
cv.cvSet(image, cv.cvScalar(255,255,255))
while len(images) > 0:
try:
for y in range(int(num_height)):
for x in range(int(num_width)):
small_tile = images.pop()
img_x = x * img_width
img_y = y * img_height
cropped = cv.cvGetSubRect(image, cv.cvRect(img_x, img_y, img_width,img_height))
cv.cvCopy(small_tile, cropped)
except exceptions.IndexError, e:
break
def tile_images(img_width,
img_height,
num_width,
num_height,
images,
channels=3):
w = img_width * num_width
h = img_height * num_height
image = cv.cvCreateImage(cv.cvSize(int(w), int(h)), 8, channels)
cv.cvSet(image, cv.cvScalar(255, 255, 255))
while len(images) > 0:
try:
for y in range(int(num_height)):
for x in range(int(num_width)):
small_tile = images.pop()
img_x = x * img_width
img_y = y * img_height
cropped = cv.cvGetSubRect(
image, cv.cvRect(img_x, img_y, img_width, img_height))
cv.cvCopy(small_tile, cropped)
except exceptions.IndexError, e:
break
def CropImage(i_ipl_image, i_ipl_roi):
src_region = cv.cvGetSubRect( i_ipl_image, i_ipl_roi)
cropped_image = cv.cvCreateImage( cv.cvSize( i_ipl_roi.width, i_ipl_roi.height) , 8 , 1)
cv.cvCopy(src_region, cropped_image)
return cropped_image
def CropImage(i_ipl_image, i_ipl_roi):
src_region = cv.cvGetSubRect(i_ipl_image, i_ipl_roi)
cropped_image = cv.cvCreateImage(
cv.cvSize(i_ipl_roi.width, i_ipl_roi.height), 8, 1)
cv.cvCopy(src_region, cropped_image)
return cropped_image
def crop(self, i_image):
src_region = cv.cvGetSubRect(i_image, self.__roi)
self.__cropped_image = cv.cvCreateImage(
cv.cvSize(self.__roi.width, self.__roi.height), 8, 1)
cv.cvCopy(src_region, self.__cropped_image)
return self.__cropped_image
def crop(self, i_image):
src_region = cv.cvGetSubRect(i_image, self.__roi)
self.__cropped_image = cv.cvCreateImage( cv.cvSize(self.__roi.width, self.__roi.height) , 8 , 1)
cv.cvCopy(src_region, self.__cropped_image)
return self.__cropped_image