利用基于m 序列的扩频技术实现了 一种数字图像空间域的多重水印算法. 根据m 序列的伪随机特性和抗干扰性能, 使水印具有良好 的隐蔽性和稳健性.-A kind of mult iple digital image watermark embedding and detect ing alg orithm in spat ial domain w as r ealized by use of spr ead spec- tr um technology based on m se

基于牟老师的关于三层光纤的SPR反射率计算公式的图像处理部分，自己设计的，随波长变化反射率变化曲线-The formula based on Mou teacher SPR reflectance of about three fiber optic image processing section of their own design, varies with wavelength reflectance curve

基于孙晓明老师的关于四层光纤的SPR反射率计算公式的图像处理部分，自己设计的，随波长变化反射率变化曲线-Is calculated based on Sun Xiaoming teacher SPR reflectance of about four fiber optic image processing section of their own design, varies with wavelength reflectance curve