直方图均衡化在遥感图像彩色合成中的应用.pdf

, Jou rn al of A nhu A gr. Sc. 2010, 38( 16) : 8818 - 8821 李菲菲 傅真治 * 黄 昆, 陈登胜, 余国忠 (, 464000) 基于色彩合成原理的传统遥感图像增强手段存在很大的 限性, 提出了一种直方图均衡化调整图像像素灰度值的方法, 利用该 方法对多光谱遥感图像进行增强处理, 处理后的图像再进行彩色合成实例分析表明, 该方法直观快捷, 并能取得较好的视觉判读效 果, 具有一定的实用意义 直方图均衡化; 图像增强; 遥感图像; 彩色合成 P 237 A 0517 - 6611( 2010) 16- 08818- 04 Application ofRem ote Sensing Im age Color Composite Based on Histogram Equalization HUANG Kun et al ( Co llege o f U rb an and E nv ronm ental Sc ence, X nyang N orm a l U n vers ty, X nyang, H enan 464000) Abstract Rem ote sen sng m age color com pos te s a trad t on al m ean s of rem ote sen s ng m age enh an cem ent based on the th eory of color com pos te. So th ere are great lm tat ons. A h stogram equ al zat on m ethodw as proposed for eva luat ng gray va lu e for each p xel after h stogram equ al zat on. M ultsp ectral rem ote sen s ng m ages w ere processed by th s m ethod, and then th ese m proved m ages w ere changed nto color com pos te m ages. Th e case an alys s show ed that th s m ethod w as ntu t ve and effect ve, and t cou ld acqu re a b etter v sua l nterpre tat on, and h ad som e pract cab l ty. Ke words H stogram equal zat on; Im age enhan cem ent; R em o te sens ng m age; Color com pos te , , 10 , , , , [ 1] , , , , , 1 1. 1 , 1 TMB1. BMP ( )() Fig. 1 TMB1. BMP histogram , 1. 2. 1 , [ 1] : , 1. 1. 1 , ; , , , () 1. 2. 2 , (), , : ( 1) () , ( ) [ 2] , 1. 1. 2 , , 2: , , , (