def run(self):
started = time.time()
while True:
curframe = cv.QueryFrame(self.capture)
instant = time.time() #Get timestamp o the frame
self.processImage(curframe) #Process the image
if not self.isRecording:
if self.somethingHasMoved():
self.trigger_time = instant #Update the trigger_time
if instant > started + 5: #Wait 5 second after the webcam start for luminosity adjusting etc..
print("Something is moving !")
if self.doRecord: #set isRecording=True only if we record a video
self.isRecording = True
else:
if instant >= self.trigger_time + 10: #Record during 10 seconds
print("Stop recording")
self.isRecording = False
else:
cv.PutText(curframe,
datetime.now().strftime("%b %d, %H:%M:%S"),
(25, 30), self.font, 0) #Put date on the frame
cv.WriteFrame(self.writer, curframe) #Write the frame
if self.show:
cv.ShowImage("Image", curframe)
cv.ShowImage("Res", self.res)
cv.Copy(self.frame2gray, self.frame1gray)
c = cv.WaitKey(1)
if c == 27 or c == 1048603: #Break if user enters 'Esc'.
break
def getIris(frame): iris = [] copyImg = cv.CloneImage(frame) resImg = cv.CloneImage(frame) grayImg = cv.CreateImage(cv.GetSize(frame), 8, 1) mask = cv.CreateImage(cv.GetSize(frame), 8, 1) storage = cv.CreateMat(frame.width, 1, cv.CV_32FC3) cv.CvtColor(frame,grayImg,cv.CV_BGR2GRAY) cv.Canny(grayImg, grayImg, 5, 70, 3) cv.Smooth(grayImg,grayImg,cv.CV_GAUSSIAN, 7, 7) circles = getCircles(grayImg) iris.append(resImg) for circle in circles: rad = int(circle[0][2]) global radius radius = rad cv.Circle(mask, centroid, rad, cv.CV_RGB(255,255,255), cv.CV_FILLED) cv.Not(mask,mask) cv.Sub(frame,copyImg,resImg,mask) x = int(centroid[0] - rad) y = int(centroid[1] - rad) w = int(rad * 2) h = w cv.SetImageROI(resImg, (x,y,w,h)) cropImg = cv.CreateImage((w,h), 8, 3) cv.Copy(resImg,cropImg) cv.ResetImageROI(resImg) return(cropImg) return (resImg)
def found_face(self):
# global frame_copy
if (not self.camera_is_on()) or (not self.find_face_is_on()):
return False
self.flushCameraBuffer() # this reduces the frame delay
frame = cv.QueryFrame(self.capture)
if frame is None:
self.close_camera()
return False
if not frame:
cv.WaitKey(0)
if not self.frame_copy:
self.frame_copy = cv.CreateImage((frame.width, frame.height),
cv.IPL_DEPTH_8U, frame.nChannels)
if frame.origin == cv.IPL_ORIGIN_TL:
cv.Copy(frame, self.frame_copy)
else:
cv.Flip(frame, self.frame_copy, 0)
if self.showVideo:
result = self.detect_and_draw(self.frame_copy)
else:
result = self.detect_no_draw(self.frame_copy)
cv.WaitKey(10)
return result
def _build_image(self, frame):
if not self._frame:
self._frame = cv2.CreateImage((frame.width, frame.height), cv.IPL_DEPTH_8U, frame.nChannels)
if frame.origin == cv2.IPL_ORIGIN_TL:
cv2.Copy(frame, self._frame)
else:
cv2.Flip(frame, self._frame, 0)
return IplQImage(self._frame)
def draw_model_fitter(f):
cv.NamedWindow("Model Fitter", cv.CV_WINDOW_AUTOSIZE)
# Copy image
i = cv.CreateImage(cv.GetSize(f.image), f.image.depth, 3)
cv.Copy(f.image, i)
for pt_num, pt in enumerate(f.shape.pts):
# Draw normals
cv.Circle(i, (int(pt.x), int(pt.y)), 2, (0,0,0), -1)
cv.ShowImage("Shape Model",i)
cv.WaitKey()
def getSegments(self, image):
"""
segmentize the region of interest into segments, each containing a mean value
"""
left, top, width, height = self.regionOfInterest
#create a new image containing just the distances in the region of interest
imageDepth = image.depth
imageChannels = image.nChannels
regionDistances = cv.CreateImage((width, height), imageDepth,
imageChannels)
src_region = cv.GetSubRect(image, (left, top, width, height))
cv.Copy(src_region, regionDistances)
#segmentize the distances into segments
segments = self.segmentize(regionDistances)
return segments
lwpImg = cv.imread(path)
# 创建图像空间，参数为size, depth, channels，这里设置的是图片等高宽30个像素的一个区域，8位，灰度图
# box_lwpImg = cv.create((30, 576), 8, 1) # cv2 中没有 create方法了，用np.zeros 创建矩阵
box_lwpImg = np.zeros((30, 576), dtype=np.uint8)
# 创建窗口
cv.namedWindow('test1', cv.WINDOW_AUTOSIZE)
cv.namedWindow("box_test1", cv.WINDOW_AUTOSIZE)
'''
# 设置ROI区域，即感兴趣区域，参数为x, y, width, heigh
cv.setImageROI(lwpImg, (390, 0, 30, 576)) # 老版本使用
cv2 利用numpy中的数组切片 设置ROI区域
'''
roiImg = lwpImg[390:0, 576:30]
'''
# 提取ROI，从lwpImg图片的感兴趣区域到box_lwpImg
cv.Copy(lwpImg, box_lwpImg)
cv.copy 方法已经不用了
'''
# 对box区域进行循环提取像素值存到列表pixel_list中
pixel_list = []
for i in range(30): # 576为box的高
for j in range(576): # 30为box的宽
x = box_lwpImg[i, j]
pixel_list.append(x)
# 提取的像素值转为int整型赋给一维数组pixel_list_np_1
pixel_list_np_1 = np.array(pixel_list, dtype=int)
# 转为576*30的二位数组，即按图片box排列
def __get_max_along_normal(self, p_num, scale):
""" Gets the max edge response along the normal to a point
:param p_num: Is the number of the point in the shape
"""
norm = self.shape.get_normal_to_point(p_num)
p = self.shape.pts[p_num]
# Find extremes of normal within the image
# Test x first
min_t = -p.x / norm[0]
if p.y + min_t*norm[1] < 0:
min_t = -p.y / norm[1]
elif p.y + min_t*norm[1] > self.image.height:
min_t = (self.image.height - p.y) / norm[1]
# X first again
max_t = (self.image.width - p.x) / norm[0]
if p.y + max_t*norm[1] < 0:
max_t = -p.y / norm[1]
elif p.y + max_t*norm[1] > self.image.height:
max_t = (self.image.height - p.y) / norm[1]
# Swap round if max is actually larger...
tmp = max_t
max_t = max(min_t, max_t)
min_t = min(min_t, tmp)
# Get length of the normal within the image
x1 = min(p.x+max_t*norm[0], p.x+min_t*norm[0])
x2 = max(p.x+max_t*norm[0], p.x+min_t*norm[0])
y1 = min(p.y+max_t*norm[1], p.y+min_t*norm[1])
y2 = max(p.y+max_t*norm[1], p.y+min_t*norm[1])
l = math.sqrt((x2-x1)**2 + (y2-y1)**2)
img = cv.CreateImage(cv.GetSize(self.image), self.g_image[scale].depth, 1)
cv.Copy(self.g_image[scale], img)
#cv.Circle(img, \
# (int(norm[0]*min_t + p.x), int(norm[1]*min_t + p.y)), \
# 5, (0, 0, 0))
#cv.Circle(img, \
# (int(norm[0]*max_t + p.x), int(norm[1]*max_t + p.y)), \
# 5, (0, 0, 0))
# Scan over the whole line
max_pt = p
max_edge = 0
# Now check over the vector
#v = min(max_t, -min_t)
#for t in drange(min_t, max_t, (max_t-min_t)/l):
search = 20+scale*10
# Look 6 pixels to each side too
for side in range(-6, 6):
# Normal to normal...
new_p = Point(p.x + side*-norm[1], p.y + side*norm[0])
for t in drange(-search if -search > min_t else min_t, \
search if search < max_t else max_t , 1):
x = int(norm[0]*t + new_p.x)
y = int(norm[1]*t + new_p.y)
if x < 0 or x > self.image.width or y < 0 or y > self.image.height:
continue
# cv.Circle(img, (x, y), 3, (100,100,100))
#print x, y, self.g_image.width, self.g_image.height
if self.g_image[scale][y-1, x-1] > max_edge:
max_edge = self.g_image[scale][y-1, x-1]
max_pt = Point(new_p.x + t*norm[0], new_p.y + t*norm[1])
# for point in self.shape.pts:
# cv.Circle(img, (int(point.x), int(point.y)), 3, (255,255,255))
##
# cv.Circle(img, (int(max_pt.x), int(max_pt.y)), 3, (255,255,255))
##
# cv.NamedWindow("Scale", cv.CV_WINDOW_AUTOSIZE)
# cv.ShowImage("Scale",img)
# cv.WaitKey()
#
return max_pt
def CamGui():
capture = cv.VideoCapture(0)
width = int(capture.get(cv.CAP_PROP_FRAME_WIDTH))
height = int(capture.get(cv.CAP_PROP_FRAME_HEIGHT))
prev_gray = cv.CreateImage((width, height), 8, 1)
gray = cv.CreateImage((width, height), 8, 1)
# Will hold the pyr frame at t-1
prevPyr = cv.CreateImage((height / 3, width + 8), 8, cv.CV_8UC1)
currPyr = cv.CreateImage((height / 3, width + 8),
8, cv.CV_8UC1) # idem at t
max_count = 500
qLevel = 0.01
minDist = 10
prev_points = [] # Points at t-1
curr_points = [] # Points at t
lines = [] # To keep all the lines overtime
while True:
frame = cv.QueryFrame(capture)
cv.CvtColor(frame, gray, cv.CV_BGR2GRAY) # Convert to gray
output = cv.CloneImage(frame)
prev_points = cv.GoodFeaturesToTrack(
gray, None, None, max_count, qLevel, minDist)
curr_points, status, err = cv.CalcOpticalFlowPyrLK(
prev_gray, gray, prevPyr, currPyr, prev_points, (10, 10), 3, (cv.CV_TERMCRIT_ITER | cv.CV_TERMCRIT_EPS, 20, 0.03), 0)
# If points status are ok and distance not negligible keep the point
k = 0
for i in range(len(curr_points)):
nb = abs(int(prev_points[i][0]) - int(curr_points[i][0])) + \
abs(int(prev_points[i][1]) - int(curr_points[i][1]))
if status[i] and nb > 2:
prev_points[k] = prev_points[i]
curr_points[k] = curr_points[i]
k += 1
prev_points = prev_points[:k]
curr_points = curr_points[:k]
# At the end only interesting points are kept
# Draw all the previously kept lines otherwise they would be lost the next frame
for (pt1, pt2) in lines:
cv.Line(frame, pt1, pt2, (255, 255, 255))
# Draw the lines between each points at t-1 and t
for prevpoint, point in zip(prev_points, curr_points):
prevpoint = (int(prevpoint[0]), int(prevpoint[1]))
cv.Circle(frame, prevpoint, 15, 0)
point = (int(point[0]), int(point[1]))
cv.Circle(frame, point, 3, 255)
cv.Line(frame, prevpoint, point, (255, 255, 255))
# Append current lines to the lines list
lines.append((prevpoint, point))
cv.Copy(gray, prev_gray) # Put the current frame prev_gray
prev_points = curr_points
cv.ShowImage("The Video", frame)
#cv.WriteFrame(writer, frame)
c = cv.WaitKey(1)
if c == 27: # Esc on Windows
break