def get_cam1(self, idx):
"""Read image file for cam1 (monochrome right) at the specified index."""
return utils.load_image(self.cam1_files[idx], mode='L')
def get_cam3(self, idx):
"""Read image file for cam3 (RGB right) at the specified index."""
return utils.load_image(self.cam3_files[idx], mode='RGB')
def get_cam3d(self, idx):
"""Read image file for cam3 depth map (right) at the specified index."""
return utils.load_image(self.cam3d_files[idx], mode='I')