new file:   defog/RGB2SHI.m
	new file:   defog/get_Airlight_layyered.m
	new file:   defog/get_dark_channel.m
	new file:   defog/get_layyer.m
	new file:   defog/get_semi_inverse.m
	new file:   defog/get_transmission.m
	new file:   defog/semi-inverse-dehazing/get_airlight.c
	new file:   defog/semi-inverse-dehazing/get_haze_free_img.c