Research Article

A Novel Psychovisual Threshold on Large DCT for Image Compression

Table 2

The quantization value on each frequency order for luminance.

16129977777777889911111616232334
11988777777788991111161623233434
108877777778899111115162324343547
887777777889911121516222433354647
8777777778891112151622243335464758
77777777889111215172224333546485858
777777788911121517222533364548585966
7777778891112151722253236454857596666
77777889101215172125323645485759666668
777788910121517212532374549575965666868
7778891012141721263237444957606566686965
77889101314182126323744495660656768696665
7881010131418212631374450566065676869666556
88101013141820263138435056606567686866645756
810101314182027313843505661646768686664575542
1010131418202731384351566164676868666458554341
1013141820273139425155616467686867645854444027
1314192028313942515561646768686763595345392826
13192028303942525562646868686763595346382924
191929303941525562636868686763605247373020
19293040415355626368686867626051483631
293040415354626368686868626151483532
3040415454626368686868616150493433