gradient operator
英 [ˈɡreɪdiənt ˈɒpəreɪtə(r)]
美 [ˈɡreɪdiənt ˈɑːpəreɪtər]
网络 梯度算子; 梯度运算子; 其中甲是梯度算子; 梯度算符
双语例句
- Compared with the traditional gradient operator algorithm, the radial scan algorithm is more applicable and reliable. The design, execution process, and characteristics of the radial scan algorithm are expounded with examples.
与传统的梯度算子法相比，这种算法有更好的适应性和可靠性，结合实例介绍了该算法的设计和实现过程及特点。 - The orientation image estimated by Sobel gradient operator is compared for the filtered fingerprint image and minutiae matching.
利用Sobel算子计算出指纹的脊线方向并用低通滤波器平滑其方向图，为图象滤波和匹配提供了良好的条件。 - Adopt Roberts cross gradient operator, we get super-resolution algorithm with lower computational complexity and get better effect than bilateral total variation operator at some case.
采用Robert交叉梯度算子构造正则项，得到计算复杂度较低的超分辨率图像复原算法，而且在某些情形下其效果要比采用双边全变差算子略好。 - According to this method, we divide a gray-level image into many small blocks, and find out all may-be edge pixels using gradient operator in each block.
该方法将整幅灰度图像分成小块，在每个小块中利用梯度算子对小块中的边界点进行检测，寻找出小块内的所有边界点； - A new gradient operator was presented for studying gradient matrix.
在研究梯度矩阵的同时，本文还给出了一种新的梯度算子。 - This algorithm based on the combination result of gradient and zero crossings is presented which the image intensity of neighborhood region of pixel is well estimated by LS-SVM with mixtures of kernels and the gradient operator and zero crossing operator are obtained by LS-SVM based on mixtures kernel function.
该方法利用LS-SVM对图像像素邻域的灰度值进行曲面拟合，通过混合核函数推导出图像的梯度和零交叉算子，并结合梯度算子和零交叉算子实现了图像边缘定位。 - Multi-scale morphological gradient operator is used to detect the edges.
采用多尺度形态梯度算子进行边缘检测，这种梯度算子抗噪能力强。 - And then with a threshold of the gradient operator is applied to image sharpening processing, the iterative algorithm for the best threshold is adopted to achieve the binary division.
而后采用带阈值的梯度算子实现图像锐化，运用迭代式求图像最佳阈值算法实现图像的二值化分割。 - Extending gradient concept into vector space and implementing the gradient operator in RGB vector space directly on the multi-spectral remote sensing image.
将梯度计算推广到向量空间，直接在RGB向量空间对多光谱遥感影像进行梯度运算。 - Image restoration methods based on PDEs were first derived from Gaussian filter, and then Perona and Malik changed linear diffusion model to non-linear diffusion model with an initiative by introducing the gradient operator to detect edges.
这类方法最早是通过Gaussian滤波引入的线性模型，然后Perona与Malik开创性地引入梯度算了进行边缘判断，将线性扩散模型转化为非线性扩散。