图像

For the problem that passive millimeter wave image is fuzzy and of low resolution,the partial differential equation method is proposed for high-resolution restoration of the image and then the PDE model and the corresponsive image restoration algorithm are given.

针对被动毫米波图像模糊和分辨率较低，提出采用偏微分方程方法进行图像的高分辨率恢复，并给出了偏微分方程模型和相应的图像恢复算法。

Hence,the paper combined the PCNN and mathematical morphology to carry out the edge detection for images containing noises,since the PCNN is advantageous in image segmentation and the mathematic morphology has the dilative and erosive effects on images.

考虑到PCNN在图像分割中的天然优势和数学形态学对图像的膨胀腐蚀作用，采用PCNN和数学形态学相结合的方法对含有噪声图像进行边缘检测。

The image processing unit performs an image processing for a CT image to be discriminable the deteriorating area from an area other than the deteriorating area.

上述图像处理部对上述CT图像进行图像处理，以便可以识别上述画质劣化区域和上述画质劣化区域以外的区域。

The elevational images could be obtained by resolving camera parameters and correcting digital images with numerical differential. Throughout image processing, the marks on the undercarriage wheels and airframe were high-accurately tracked and identified based on sub-pixel. The trace, velocity and other parameters of the undercarriage were gained by data processing.

同时，应用摄影测量原理，通过对摄影机的标校，获得了摄影机的参数；利用图像的数字微分纠正原理，对所摄图像进行修正和重建，得到摄影机的正摄影像，进而利用图像处理方法对起落架机轮及机身测量标志进行基于亚像素的跟踪判读；对判读数据进行处理，得到了飞机着陆道面段的运动轨迹、速度等数据。

Methods:The algorithm was tested by tracking left ventricular endocardial boundary in 12 echocardial i...

我们用自动勾画 1 2张超声图像(其中 6张高质量的图像，6张低质量的图像)中心内膜边界的方法来检测该算法。

A feature extraction method for palmprint image is proposed,the implementation procedure of this method is as follows:firstly,the 2D Gabor wavelet transform coefficient amplitudes are computed at the equispaced discrete positions on the palmprint image,and they are used as original features of the palmprint image;then,the dimension of the Gabor wavelet feature is reduced by principal component analysis;lastly,the optimal discriminant features that are most advantageous for classification are extracted by linear discriminant analysis.

提出了一种提取掌纹图像特征的方法，该方法的实现过程如下：首先，计算掌纹图像上均布离散位置的二维Gabor小波变换系数的幅值，将其作为掌纹图像的原始特征；其次，利用主分量分析实现Gabor小波特征的降维；最后，通过线性判别分析提取最有利于分类的最佳鉴别特征。

With simulating mosaic experiments on both synthetic images and standard digital images, this algorithm is proved to be capable of achieving the smooth transition between images with both the shape and exposal differences.

通过对合成图像和标准数字图像的模拟拼接实验表明：该算法能同时实现图像形变和曝光差异的平滑过渡。

In the study based on prior image constraint, the approach using minimum information discrimination to achieve the restored image constrained by prior image is proposed, and two approaches are given, which called minimum-mean-square-error validation and fiducially strategy to count regularization parameter adaptively for new constraint item.

在基于先验图像约束的方法中，提出利用最小鉴别信息构造先验图像对图像复原结果的约束，给出了基于最小均方误差验证和置信策略自适应计算新约束项正则化参数的两种方法。

In this paper, we define quadratic spline as wavelet, do the two dimentional dyadic wavelet transform on near-infrared galactophore image, and get local modulus maxima from wavelet transforms results----rnodulus and angles, so we can find the blood vessel edge image in each scales, at last, we compute a good edge image which synthesize the characters in each scale.

本文中用二次样条小波作为小波基函数，对乳腺近红外图像进行二维二进小波变换，计算小波变换结果的局部模极大值点，得到各个尺度下的乳腺近红外图像血管的边缘，最后得到综合了各个尺度特征的较好的血管图像的边缘。

This paper proposes an extended image encryption algorithm, which is used to encrypt the confidential binary images into non-confidential garnished image.

文章提出了一种延拓的图像加密算法，该算法用于将机密的二值图像加密成非机密的伪装图像。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。