def hand_generator(self):

		for root, directories, files in walk(self.color_folder):
			for c_filename in files:
				if self.c_file_ext in c_filename:

					try:
						c_filepath = path.join(root, c_filename)
						d_filepath = c_filepath.replace('color', 'depth').replace(self.c_file_ext, self.d_file_ext)

						_, c_data = utils.load_data(c_filepath, self.data_type)
						d_data, d_data_norm = utils.load_data(d_filepath, 'depth')


						c_fgmask = self.c_fgbg.apply(c_data)
						c_fgmask = cv2.morphologyEx(c_fgmask, cv2.MORPH_OPEN, self.kernel)
		
						img_bs = d_data_norm.copy()
						img_bs[c_fgmask==0] = 0
						img_bs = ip.smooth_image(img_bs)

						boxes = ip.parse_hands(img_bs, display=False)
						hands = Hands(c_fgmask, d_data, boxes, d_filepath, 'depth')

						yield hands
					except Exception as e:
						print e
	def hand_generator(self):

		for root, directories, files in walk(self.folder):
			for filename in files:
				if self.file_ext in filename:
					filepath = path.join(root, filename)

					data, data_norm = utils.load_data(filepath, self.data_type)

					fgmask = self.fgbg.apply(data_norm)
					fgmask = cv2.morphologyEx(fgmask, cv2.MORPH_OPEN, self.kernel)
		
					img_bs = data.copy()
					img_bs[fgmask==0] = 0
					img_bs = ip.smooth_image(img_bs)

					orig_mask = fgmask.copy()

					fgmask, thresh_val = self.remove_legs(img_bs)

					img_fg = data_norm.copy()
					img_fg[fgmask==0] = 0

					boxes = ip.parse_hands(fgmask, display=False)
					hands = Hands(fgmask, data, boxes, filepath, 'depth')

					yield hands