图像模型

Eurocontrol, an umbrella agency that coordinates air traffic across 38 European countries, said authorities will use satellite images to decide whether to open airspace, and rely less on computer models that indicated the ash cloud had spread over much of Europe.

负责协调38个欧洲国家空中交通的保护组织欧洲航空安全组织称，当局将利用卫星图像决定是否开放领空，并减少对计算机模型的依赖。计算机模型显示烟尘已扩散至大部分欧洲地区。

The effects of small angle rotation of texture images and noise to the parameterestimation of Gauss-MRF model are researched.

研究了工件表面纹理图像的小角度旋转和噪声对高斯马尔可夫随机场模型的参数估计的影响，数据分析表明高斯马尔可夫随机场模型所估计的参数对于小角度的旋转纹理具有不变性。

Therefore a new spatial adaptive wavelet thresholding method is presented, which is based on a non-Gaussian bivariate distribution and context modeling for image denoising that is inspired by image coding.

为了更好地进行MR 图像分割处理，本文提出了一种新的空间自适应小波阀值去噪算法，该算法是基于非高斯二元分布的贝叶斯统计模型和上下文模型。

A rate-distortion model is presented in order to make use of the down channel of deep space effectively and analyzed the error of image loss compression exactly.It is fit for CCSDS image compression standards based on wavelet transform.

为了能更好地利用有限地深空通信下行信道资源，更准确地分析图像有损压缩的失真大小，提出了一种适合于CCS-DS基于小波变换图像压缩标准的速率-失真模型。

A rate-distortion model is presented in order to make use of the down channel of deep space effectively and analyzed the error of image loss compression exactly.It is fit for CCSDS image compression standards based on wavelet transform.

中文摘要：为了能更好地利用有限地深空通信下行信道资源，更准确地分析图像有损压缩的失真大小，提出了一种适合于CCS-DS基于小波变换图像压缩标准的速率-失真模型。

A new approach for removing salt-and-pepper noise of the 2-D image is presented based on 1-D signal processing. Four 1-D models for transforming 2-D image signals into 1-D image signals by linear processing instead of block processing is introduced.

提出了一种基于一维信号处理去除图像椒盐脉冲噪声的方法，该算法给出了4种二维信号转换为一维信号的模型，用线性处理代替块处理去除图像椒盐脉冲噪声。

By the comparison between the distributed image of PSF and that of energy deposition data, it is known that both data agree with each other well.

建立了点扩展函数的数学模型，并将其分布图像与能量沉积数据的分布图像作了比较，可看出点扩展函数与能量沉积数据吻合得较好。

This model can realize the depth perception of the objects and the figure-ground separation not only in the normal scenic images but also in the occluded scenic images. Experimental results testified the model's feasibility.

该模型不但可以分析和处理一般的真实场景的立体图像对，还可以处理遮挡场景的立体图像对，实现表面深度感知以及景物与背景的分割。

For images rendering under novel lighting conditions, direct illumination effect is calculated using lambertain model; while indirect illumination one was added by environment light part derived before.

新光照条件下场景的绘制，直接光照采用光照模型直接计算；间接光照采用分离出的基图像环境光分量拟合，较好地实现了变化光照下场景图像的生成。

Meanwhile, the discretization scheme of the Laplace operator is improved, and more image information can be contained. Thus, the image features can be judged more accurately.

同时，改进了模型中拉普拉斯算子的离散形式，使其包含更多的图像信息，能够更准确地判断图像的特征。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。