许峰, 张俊生.LED信息屏组合虚拟像素技术及其算法研究 [J].中国图象图形学报,2009,9(14):1915-1918.Xu F, Zhang J S.The combined-virtual pixels technology for LED display and study of algorithm [J].Journal of Image and Graphics, 2009,9(14):1915-1918.(in Chinese)[2] 程德诗.LED显示屏视频图像分解力提升技术综述 [J].现代显示,2004,2:11-14.Cheng S D.Acomprehensive introduction of technologies for improving LED video image resolution [J].Advanced Display, 2004,2:11-14.(in Chinese)[3] Berbecuel G.Digital Image Display [M].Netherlands: John Wiley & Sons, 2001:47-65. [4] 王桥立, 郝宗潮.LED虚拟像素原理及应用 [J].现代显示,2004,2:33-35.Wang Q L,Hao Z C.The principle and application of LED panel's virtual pixel technology [J].Advanced Display, 2004,2:33-35.(in Chinese)[5] 张毅, 张保民.基于像素重组的彩色阵列超分辨率显示技术 [J].南京理工大学学报,2004,28(2):145-148.Zhang Y, Zhang B M.Super-resolutioncolor array display based on pixel reorganization [J].Journal of Nanjing University of Science and Technology, 2004,28(2):145-148.(in Chinese)[6] 陈建平, 邱力为.基于像素组合的快速哈夫变换 [J].计算机工程与应用,2005,22:43-45.Chen J P,Qiu L W.A kind of fast hough transform used for line detection [J].Computer Engineering and Applications, 2005,22:43-45.(in Chinese)[7] Rafael C G, Richard E W.Digital Image Processing [M].2nd Ed.Beijing: Publishing House of Electronics Industry.2007.[8] 赵小明, 周筱媛, 张建奇, 等.LED显示屏虚拟组合像素的分析 [J].西安电子科技大学学报,2012,34(4):178-183.Zhao X M, Zhou X Y, Zhang J Q, et al. Analysis of combined-virtual pixel in LED displays [J].Jounal of Xidian University, 2012,34(4):178-183.(in Chinese)[9] 刘德连, 王博, 张建奇.期望最大化聚类的高光谱亚像素目标检测 [J].西安电子科技大学学报,2009,36(3):512-516.Liu D L, Wang B, Zhang J Q.Hyperspectralsubpixel target detection approach based on expectation maximization cluster [J].Jounal of Xidian University, 2009,36(3):512-516.(in Chinese)[10] Blinn J F.What is a pixel [J].IEEE Computer Graphic & Applications,2005,25(5):82-87.[11] HallR.Comparing spectral color computation methods [J].IEEE Computer Graphics and Applications,1999,19(4):47-53.