def reprocess_uframes(movieinfo):
print movieinfo.id
framerange = movieinfo.framenumbers
print framerange[0], framerange[-1]
nframes = len(framerange)
movieinfo.obj_centers = np.zeros([nframes, 2])
movieinfo.obj_longaxis = np.zeros([nframes, 2])
movieinfo.obj_shortaxis = np.zeros([nframes, 2])
movieinfo.obj_ratio = np.zeros([nframes, 2])
for f, framenumber in enumerate(framerange):
print f
frame = movieinfo.frames[f]
uimg = frame.uimg
zero = frame.zero
ubackground = nim.extract_uimg(movieinfo.background, uimg.shape, zero)
relative_center_of_body, longaxis, shortaxis, body, ratio = nim.find_ellipse(uimg, background=ubackground, threshrange=[150,254], sizerange=[10,600], dist_thresh=10, erode=False, check_centers=True)
center_of_body = relative_center_of_body + zero
#center_of_body = center
movieinfo.obj_centers[f,:] = center_of_body
movieinfo.obj_longaxis[f,:] = longaxis
movieinfo.obj_shortaxis[f,:] = shortaxis
movieinfo.obj_ratio[f,:] = ratio
print ratio
def process_movie(movieinfo, framerange=None, nframes=None):
filename = movieinfo.path + movieinfo.id + '.avi'
movie = Movie(filename)
# make a mask to remove text and such of the top part of the movie
mask = np.ones([movie.height, movie.width])
mask[0:movie.height-movie.width, :] = 0
movie.mask = mask
tracking_mask = np.abs(nim.plot_circle(1024,1024,[512,512], 150)-1)
first_frame = (movie.get_frame_at_timestamp(0)[::-1, :])
last_frame = (movie.get_frame_at_timestamp(movie.duration-1)[::-1, :])
background = nim.lighten(first_frame, last_frame)
movieinfo.background = copy.copy(background)
if framerange is None:
framerange = movieinfo.framenumbers
else:
framerange = np.arange(framerange[0], framerange[1]+1, 1).tolist()
if nframes is not None:
framerange = framerange[0:nframes]
nframes = len(framerange)
movieinfo.obj_centers = np.zeros([nframes, 2])
movieinfo.obj_longaxis = np.zeros([nframes, 2])
movieinfo.obj_shortaxis = np.zeros([nframes, 2])
movieinfo.obj_ratio = np.zeros([nframes, 2])
movieinfo.frames = [Frame() for frame in framerange]
print 'framerange = ', framerange[0]
for f, framenumber in enumerate(framerange):
frame = movieinfo.frames[f]
print f, framenumber
raw = (movie.get_frame(framenumber)[::-1, :])
if f < 3:
guess = None
guess_radius = None
else:
try:
vel_est = movieinfo.obj_centers[f-1,:] - movieinfo.obj_centers[f-2,:]
guess = movieinfo.obj_centers[f-1,:] + vel_est
guess_radius = 35
except:
guess = None
guess_radius = None
center, uimg, zero = nim.find_object_with_background_subtraction(raw, background, mask=tracking_mask, guess=guess, guess_radius=guess_radius, sizerange=[10,600], thresh=10, uimg_roi_radius=30, return_uimg=True, return_mimg=False)
print '********pygmovie********', uimg.shape, zero
ubackground = nim.extract_uimg(background, uimg.shape, zero)
relative_center_of_body, longaxis, shortaxis, body, ratio = nim.find_ellipse(uimg, background=ubackground, threshrange=[150,254], sizerange=[10,600], dist_thresh=10, erode=False, check_centers=True)
center_of_body = relative_center_of_body + zero
#center_of_body = center
frame.uimg = copy.copy(uimg)
#frame.mimg = mimg
frame.zero = zero
frame.framenumber = framenumber
movieinfo.obj_centers[f,:] = copy.copy(center_of_body)
movieinfo.obj_longaxis[f,:] = copy.copy(longaxis)
movieinfo.obj_shortaxis[f,:] = copy.copy(shortaxis)
movieinfo.obj_ratio[f,:] = copy.copy(ratio)
del(raw)
del(movie)
return