A novel subsampling based robust image watermarking scheme was proposed.
提出了一种新的基于子采样的图像数字水印算法。
A receiver architecture is presented that utilizes the subsampling concept to down-convert the IF signal to a lower IF before been digitized.
提出了一个欠采样中频收发器的体系结构,它在中频数字化以前先通过欠采样将中频频率变到一个较低的频率。
Then the author mentioned that the incomplete subsampling is one of reliability preprocessing methods, it includes instantaneous failure, data induction and Johnson method, etc.