基于Gabor变换的图像纹理识别。 提出了一种改进的Gabor变换的图像纹理增强算法，将空域的纹理图像变换到联合空间频率域并将联合空间 频率域的能量分布作为掌纹的特征，Gobar滤波器在频域内对子块其主方向上频率能量分布进行滤波，特征向量进行了匹配 识别，增强特征纹线信息并对核心区域进行多方向空间频率能量滤波合成，同时也对滤波算法进行了优化，有效地减少了运 算量。-Gabor transform based image texture recognition. An improv

通过二维高斯匹配滤波器来对冠状动脉实现增强，通过多个方向的滤波使得图像的增强效果更好-Matched by two-dimensional Gaussian filter to achieve enhanced coronary artery, through the filter makes the multiple directions better image enhancement

指滤波器的性能与信号的特性取得某种一致，使滤波器输出端的信号瞬时功率与噪声平均功率的比值最大.即当信号与噪声同时进入滤波器时，它使信号成分在某一瞬间出现尖峰值，而噪声成分受到抑制。-In signal processing, a matched filter (originally known as a North filter[1]) is obtained by correlating a known signal, or template, with an unknown signal t

图像增强算法麦科伊增强图像的对比度，上软件吗直接运行-Three different filters are applied to a different fundus image: (a) the original image (b) edge detection by using Sobel operator (c) edge detection by using morphological edge detector and (d) detection of blood