Soft computing-based colour quantisation

EURASIP Journal on Image and Video Processing

Table 1 Quantisation results, given in terms of PSNR (dB) with the best result for each image in boldface

	Lenna	Peppers	Mandrill	Sailboat	Pool	Airplane	average
Popularity algorithm [2]	22.24	18.56	18.00	8.73	19.87	15.91	17.22
Median cut [2]	23.79	24.10	21.52	22.01	24.57	24.32	23.39
Octree [3]	27.45	25.80	24.21	26.04	29.39	28.77	26.94
Neuquant [4]	27.82	26.04	24.59	26.81	27.08	28.24	26.73
SWASA [8]	27.79	26.16	24.46	26.69	29.84	29.43	27.40
FCM [14]	28.81	26.77	25.03	27.25	31.03	30.23	28.17
RSFCM [14]	28.70	26.70	24.98	27.32	30.81	30.73	28.20
EnFCM [14]	28.61	26.74	24.87	27.22	31.11	29.92	28.08
AMSFCM [14]	28.63	26.71	24.66	27.24	30.87	29.96	28.01
RCM [24]	28.63	26.67	25.02	27.62	29.40	30.50	27.98
FRCM [26]	28.44	26.80	25.03	27.47	31.20	31.24	28.73