Improved TLBO for Fusion of Infrared and Visible Images

Table 2

Quality assessment of pixel-level fusion result.

	Information entropy	Average gradient	Standard deviation	Spatial resolution	Interactive information
Wavelet transform	7.5953	62.1048	19.8465	28.9314	5.4801
PCA transform	6.8579	55.7364	16.6849	23.3580	5.2299
Contourlet +PCNN	7.6367	56.3843	18.6997	29.2188	5.5820