does matlab support 3d quantization table?

I did the 3d DCT for blocks of 8*8*8 , I want to do the quantization. Assume quantization table is 8*8*8. Is there any matlab function i can use?

Answer 1

[Image Analyst]

Take a look at imquantize() in the Image Processing Toolbox.

[Chung]

If i don't have the image processing toolbox, what can i do ?

[Image Analyst]

Do it yourself manually.