In this paper,we consider the performance-optimized non-binary LDPC(low density parity check)code over general linear gr......

Nowadays due to the advancement of technology, especially in the field of computer science,quality of the maps, resoluti......

在考察多种二值图像连通区域标记方法的基础上,提出了一种新的基于图像填充和游程码的二值图像孔洞连通域的标记和表达方法。对二......

在一种改进的光学联合变换相关加密系统中，将附加密钥改为圆形并提出了基于附加密钥旋转复用而实现多幅二值图像加密的方法。加密时......