invariant property meaning in English
不变性
Examples
- One could consider invariant properties of figures under each of the above types of transformation .
可以在上述的每一类型变换下考虑图形的不变性质。 - Homotopic invariant property of mapping degrees on banach manifolds
流形上映射度的同伦不变性 - Some invariant properties of linkage classes
连锁类的几个不变性质 - Frequency using wavelet theory , another is multi - channels based on gray . the first method is based multi - scale decompression using wavelet theory , it extract gray feature from each channel to form feature vector , it can distinguish objects , but this method not have invariant property when object rotate
基于小波的频率多通道是从小波多分辨分解的角度，提取各频率通道的灰度特征形成特征向量，该方法可以很好的区分目标，但不具有旋转不变性。 - Based on the previous work and current research , we have made the following work : ( 1 ) for robustness against jpeg compression , we analyze the invariant properties theorem during jpeg compression which was proposed in previous work , then proposed an improved scheme . based on those work , we design a watermarking algorithm , which has robustness against jpeg compression with common quality factor . in addition , the proposed algorithm can perfectly detect the watermarks without degrading the visual quality of original image
根据不同的应用需求设计相应的水印算法是鲁棒性水印的研究方向，根据这些特点，本文在前人研究的基础上，完成了以下工作： ( 1 )本文就抗jpeg压缩的水印设计进行了研究，通过分析前人提出的jpeg压缩不变性原理，发现了其在实际应用中会出现的问题，并对之提出了改进的方案，在此基础上，设计了一种水印算法，可以对所有常用质量因子的jpeg压缩都免疫。