def select_roi(self, roi=None):
if roi is None:
roi = tracking.select_roi(self.frame)
self.roi = roi
# ROI for saving must be at least 65x65 otherwise buffer might be to small
roisave = self.roi.copy()
nx, ny = roisave['x2'] - roisave['x1'], roisave['y2'] - roisave['y1']
if nx < 64:
roisave['x1'] -= floor((64 - nx) / 2)
nx = 64
roisave['x2'] = roisave['x1'] + nx
if ny < 64:
roisave['y1'] -= floor((64 - ny) / 2)
ny = 64
roisave['y2'] = roisave['y1'] + ny
self.roisave = roisave
self.nxsave, self.nysave = nx, ny
self.roi_selected = True
# Re-init tracker if necessary
if self.dotrack:
self.eye = tracking.resize_roi(self.frame, self.roi)
self.tracker = tracking.Tracker(self.eye)
def select_roi(self, roi=None):
if roi is None:
roi = tracking.select_roi(self.frame)
self.roi = roi
# ROI for saving must be at least 65x65 otherwise buffer might be to small
roisave = self.roi.copy()
nx, ny = roisave['x2'] - roisave['x1'], roisave['y2'] - roisave['y1']
if nx < 64:
roisave['x1'] -= floor((64 - nx) / 2)
nx = 64
roisave['x2'] = roisave['x1'] + nx
if ny < 64:
roisave['y1'] -= floor((64 - ny) / 2)
ny = 64
roisave['y2'] = roisave['y1'] + ny
self.roisave = roisave
self.nxsave, self.nysave = nx, ny
self.roi_selected = True
# Re-init tracker if necessary
if self.dotrack:
self.eye = tracking.resize_roi(self.frame, self.roi)
self.tracker = tracking.Tracker(self.eye)
nprocessed += 1
idle = False
if t>t0+1:
print 'processing frames at',nprocessed/(t-t0),'Hz'
t0 = t
nprocessed = 0
if frame.ndim == 3:
frame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
cv2.imshow('image2',frame)
if cv2.waitKey(1) & 0xFF == ord('q'):
break
# user select ROI
roi = tracking.select_roi(frame)
else:
# fixed ROI
roi = {'x1': 222, 'y1': 163, 'x2': 268, 'y2': 210}
eye = tracking.resize_roi(frame, roi)
# OUTPUT MOVIE
if dosave:
# ROI for saving must be at least 65x65 otherwise buffer might be to small
roisave = roi.copy()
nxsave, nysave = roi['x2']-roi['x1'], roi['y2']-roi['y1']
if nxsave<65:
roisave['x1'] = roi['x1'] - floor((65-nxsave)/2)
nxsave = 65
roisave['x2'] = roisave['x1'] + nxsave