提出了稳健性好的图像盲水印算法：白色像素较多的图像加入水印后会产生大量溢出误差，从而很难将水印提取出来或者对图像质量造成严重下降。
Valid Blind Watermarking Algorithm On Image The images that have a lot of white pixels usually can produce a lot of overflows after being embedded the watermark.
为解决状态观测器中采用传统浮点数运算时，因自动下溢出产生误差的问题，提出全整数运算算法提高控制精度。
To avoid the cumulative error problem caused by auto-overflow in state observer floating operation, the whole-integer operation was proposed to improve the control precision.
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