edge enhancement meaning in Chinese
边缘增强 通过将边缘两边像素的对比扩大来锐化图像边缘的一种图像处理技术。
轮廓增强
轮廊增强
遥感图像边缘增强
Examples
- ( 4 ) the edge enhancement of reconstruction image emergences in the dense particles field in the linear exposure . the phenomenon was analyzed theoretically . and the more dense particle , the easier edge enhancement comes out in the center particles
( 4 )对高密度粒子场在线性段记录，中心粒子发生边缘剪切这一现象，用非线性曝光特性理论研究中的物参比影响衍射效率的角度，进行了分析和解释。 - This article introduces gray image processing technology . firstly , in order to eliminate noise , optimize image and get precise edge feature , a series of preparations can be done to fracture image such as histogram equalization , binarization , edge enhancement , and so on
本文采用灰度图像处理技术，首先对疲劳断口图像进行直方图均衡化、二值化、边缘增强等预处理来消除噪声，优化图像，以得到精确的边缘特征。 - ( 1 ) first the formula of in - line holography under the nonlinear exposure were got by using the theory of in - line particle holography and nonlinear exposure . then through simplifying model and using the threshold value function to substitute the polynomial , the reconstruction image was analyzed under the nonlinear exposure . the reconstruction image appears the edge enhancement
( 1 )从理论上，首先运用粒子场激光同轴全息和非线性曝光理论，推导出粒子场激光同轴全息非线性记录与再现公式；然后对非线性记录的模型进行简化，以阈值函数替代多项式，结合数值分析的方法对非线性曝光特性对再现粒子像的影响进行分析，得出非线性记录的粒子再现像将产生边缘剪切效应。 - The model of the reconstruction image in the condition of nonlinear exposure was constructed . the reconstruction images of the different shape particles were stimulated in the nonlinear exposure . the edge enhancement appears , especially , in the utmost condition i . e . the binarization of receding light intensity
研究了非线性曝光对不同形状粒子的再现像影响，通过数值模拟计算发现在非线性段曝光的粒子的再现像出现了不同程度的边缘剪切，特别是改变非线性曝光的极限条件即二值化，边缘剪切现象更加明显。