Research Article

An Effective Color Quantization Method Using Octree-Based Self-Organizing Maps

Table 5

Processing time (ms) comparison of the color quantization methods.

LennaParrots
81632641282568163264128256

POP222233333446
MC322223334344
OCT66778891110121213
KM466397871703236584124207527665
ART2314610788300621681021903605201001
SOM93107139213333548148160207311471825
PM737997147302387116131162214330581

Mona LisaHouse
81632641282568163264128256

POP211928232123111111111216
MC232120212123121212121112
OCT565865667475302932333544
KM32164677811792246207426833754075311502192
ART230045752476514626121406676896193038337722
SOM8639381347167828484621485681754115717912814
PM61270889612601979321335951453072111351904

MandrillVenus
81632641282568163264128256

POP223335181820201922
MC233333181820201820
OCT566778504957585858
KM466696134230441455487740113320653458
ART26291201408696142863176015033408693015597
SOM1081301562204675939539851286183932394898
PM7383104153332395623755904124619203325

BedroomScream
81632641282568163264128256

POP121220111114101111201413
MC101312111313131813131212
OCT282830313366323134383742
KM2312954316851159234626134144070111831975
ART2338653989218345179675179210624108620264287
SOM520825979110317792944477688740116917003024
PM3495495157261139206341363352584112142054

Old manDragonfly
81632641282568163264128256

POP111122311222
MC111111111112
OCT334455344445
KM19264139567219274468119163
ART21416192943761619274072259
SOM374678100155257374764100162277
PM3337527310919530344769136194