1) difference feature point grid
差分特征点网格
1.
In order to enhance the robustness of digital watermarking,to make the system possess the zoom resistance capability and to estimate the zoom resistance degree of the system,a difference feature point grid is constructed,and a zoom resistance embedding and extracting scheme of digital watermarking is designed.
为了提高数字水印的鲁棒性,使数字水印系统具备抵抗缩放攻击的能力,并评价其抵抗缩放攻击的程度,构造了差分特征点网格,设计了抗缩放数字水印嵌入和提取方案,并重点分析了差分特征点网格的抗缩放性能,通过分析待检图像中差分特征点的基点成功检测情况来判定数字水印抗缩放性能。
2) characteristic difference scheme with moving mesh
变网格特征差分格式
4) mesh point
[差分]网格点
5) characteristic difference scheme
特征差分格式
1.
Compact characteristic difference scheme with high spatial accuracy for convective-diffusion equations is obtained and cubic periodic spline interpolation is used.
对一维对流扩散方程给出了一个在空间方向计算精度比较高的紧致特征差分格式,该差分格式中的插值部分运用了三次周期样条插值,同时给出了L2模的误差估计式。
2.
This paper presents a characteristic difference scheme based on cubic natural spline interpolation for the convection-diffusion equations and obtains discrete L_2-norm error the estimate.
针对一维对流扩散方程提出了基于三次自然样条插值的特征差分格式,给出了L2模误差估计式。
6) grid feature
网格特征
1.
The two-level neural network character recognition system based on Zernike moment and grid features;
基于Zernike矩与网格特征的两级神经网络字符识别系统
2.
Two effective features,pseudo dynamic feature and grid feature,are selected by comparing the performance of features in off-line signature recognition.
首先通过比较各个特征在离线签名识别中的性能,选取比较有效的平均伪动态特征和中等分辨率网格特征作为识别特征,然后构造了两个K近邻(KNN,K Nearest Neighbor)分类器,对签名图像进行初步识别。
3.
This paper presents a new method of license plate character recognition based on the combination of Zernike moment and grid features.
本文提出了基于Zernike矩特征与网格特征相结合的车牌字符分类方法。
补充资料：差分
1.古数学名词，即衰分。分配比例的算法。 2.差错。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条