纹理增强

为了减少非均匀光照的影响，本文提出一种基于小波的虹膜纹理增强方法。

In order to reduce the influence of unsymmetrical illumination , an iris texture enhancement method based on the wavelet was presented .

在此基础上，为提高算法的适应性，本文改进了LoG滤波纹理增强技术；

To improve the adaptability of the method , a texture enhanced technique based on an improved LoG filter is presented .

X线检查可发现肺纹理增强（90.3%）。

X-ray examination showed intensification of pulmonary grains ( 90.3 % ) .

混合型：主要表现为斑片状阴影和网状阴影混杂，肺纹理增强较明显。

Mixed pattern characterized by marked lung markings with patchy opacity and reticular shadows ;

临床特点有发热、咽痛、扁桃体肿大，肺纹理增强，白细胞升高以中性粒细胞升高为主。

Clinical characteristics included fever , pharyngalgia , swelling of tonsil , increased lung marking and increase in leucocytes and neutrophils .

结果胸片显示肺纹理增强6例，多发斑片状密度增高影2例，网织结节影1例；

Results Chest X-ray examinations show Increased brochovascular shadows in6 cases , multi patchy clouding opacity in2 cases and reticulonodular shadow in1 case .

此外，通过在模型中添加分形长度不变性约束，图像的梯度得到增强，从而使得上述分形分析模型的图像超分辨率算法还具有图像纹理增强的作用。

Moreover , by adding in - variant constraint on fractal length , the gradient of image is enhanced so that the texture part of image is enhanced as well .

实验结果表明，该方法对任意灰度图像可以得到连续变化的增强效果，接近于最佳分数阶微分增强效果，符合人们的视觉感受，是一种有效的图像纹理增强方法。

The results show that , for any gray-scale image , this method can obtain a successive enhancing result that is better to satisfy human visual sense , and it approximates the results of optimal fractional differential order .

结果12例巨细胞病毒肺炎患者，2例无明显肺部改变，其余10例X线改变早期为两肺野纹理增强、模糊不清、呈毛玻璃样密度增高。

Results On X-ray chest films of 12 patients , 2 cases were found to be indefinite pulmonary change while other 10 cases in whose both sides of the lung field presented lung markings increasing and ground glass dense shadows .

绘制的花朵形态圆润美观、真实感较高，在OpenGL环境下利用各种成熟的光照、纹理方法增强花瓣和花的真实感，可应用于虚拟场景中花卉的构造。

Drawing flowers form round appearance , high realism , in the OpenGL environment , the use of a variety of mature light , texture enhancing the realism , can be applied to the virtual scene of the flower structure .

探讨了通过SAR图像中的纹理信息以增强居民地专题信息的方法。

This article aimed to develop a method to enhance the settlement information by mining the texture information reflected in the JERS 1 SAR imagery .

为了克服这一缺点，同时提取更充分的纹理特征来增强AAM的拟合能力，本文提出一种改进的纹理表示方法。

In order to overcome these defects and improve the fitting performance of AAM model , an improved texture representation is proposed in this paper .

一种基于自然纹理特征的增强现实跟踪算法

Natural texture-based tracking algorithm for augmented reality

基于总变分方法的结构-纹理图像锐化增强

Structure-texture image sharpening based on total-variational method

为了系统论述图像分数阶微分对纹理细节的增强能力及其侧抑制原理，提出数字图像分数阶微分掩模及其运算规则。

The capabilities of the fractional differential approach for enhancing textural features of two-dimensional digital images , involved Lateral Inhibition Principle , the multiform covering templates and algorithms of digital image 's fractional differentiation were discussed .

基于图像的物体表面三维重建系统主要是采用立体视觉的方法重建出物体表面形状，并采用纹理贴图的方法增强目标物体的真实感。

The 3D object surface reconstruction system based on images ( OSR_System ) can reconstruct the surface of the object by binocular stereovision theory , and strengthen the reality using texture .

对于真实场景的三维重建，通常采用基于三维几何模型为其表面添加纹理的方法来增强真实感，这个过程一般需要两步，构建三维物体的几何模型和为几何模型添加纹理。

Usually , to the 3D reconstruction of real scenes , it will enhance realism through the method that adding texture for the 3D surface model . The process usually takes two steps constructing three-dimensional geometrical model and adding texture for the geometric model .

为了提高检测精度，本文提出了一种小波分解尺度选择策略，能够根据待检测布匹纹理频率特性对非采样小波变换的分解尺度进行自适应的设定，以抑制布匹正常纹理能量并增强疵点区域能量。

In order to increase the detection accuracy , a selection scheme of wavelet decomposition scales , which is capable of setting the decomposition scales adaptively to the spectral characteristics of fabric texture , is proposed to suppress the energy of normal texture and enhance the energy of detective regions .

计算机数值实验结果表明，对于纹理细节信息丰富的图像信号而言，分数阶微分对灰度变化不大的平滑区域中的纹理细节信息的增强效果明显优于整数阶微分运算。

Numerical experiments showed that the textural detail enhancing capabilities of fractional differential-based texture operator are better than that of integral differential-based one for rich-grained digital images .