The National Natural Science Foundation ofChina(No.60272082);The Important Science and Technology Key Item of Shanghai(No.05dzl5004)
The virtual backbone is an approach for solving routing problems in wireless ad hoc and sensor networks. A connected dominating set (CDS) was proposed as a virtual backbone to improve the performance of wireless netwo...
Project (Nos. 60372076 and 60272082) supported by the National Natural Science Foundation of China
A new asymmetric watermarking scheme is proposed in this letter. In the proposed scheme, a secret real fractional DCT-I transform and a primitive watermark are employed to generate an asymmetric watermark. The secret ...