from dct import fdct, idct, zigzag
from t4x4 import fdct4x4, idct4x4
from t8x8 import fdct8x8, idct8x8, fdct8x8x8, idct8x8x8, do_f8x8, do_i8x8, build_vector_from_8x8, set_8x8_from_vector
from tNxM import fdct2d, idct2d
from tNxN import fdctNxN, idctNxN
from perceptual import watson_slack