need quantization table

need quantization table

Post by chira » Thu, 05 Apr 2007 21:29:55


hi!
i'm an undergraduate student,successfully implemented dct2(blocked)
but i need jpeg quantization table for determination of frequency
sensitivity.

i have 8*8 table but i need 16*16 table

is there any way to apply 8*8 table in stead of 16*16?

bcoz i need to calculate dc coefficient of each block and contrast
masking. i have formulaes but i'm stuck with matrix size.
can anybody help me out?

thanks n withv regards!
chirag jaju