Results Satisfactory results of lung density in 269 patients were achieved, so were the frequency and the curve of pixel distribution.
结果269例肺密度测定的患者均得到了满意的肺密度值、像素在各区间的分布频率和像素分布曲线图形。
Based on traditional mixed algorithm, it is concerned with the public image pixel distribution and its own color character in the image and changes the mixed coefficient.
在传统混合算法的基础上，根据公开图像本身的像素分布和颜色特点，对混合系数进行改变。
Pixel values in the depth texture range from 0 to 1 with a nonlinear distribution.
深度纹理中每个像素所记录的深度值是从0到1非线性分布的。
Aiming at the distribution characteristic of pixel gray level in tested data, this paper proposes a valid and reliable searching and tracking policy for the object contour.
针对实验数据像素灰度的分布特点，提出了一种对目标轮廓线进行有效和可靠的搜索和跟踪策略。
When a pixel could be represented by more than one distribution model, the model which has the minimum similarity distance was updated.
对像素值属于多个分布模型的情况，用最小相似距离确定要更新的模型。
It has a law of random distribution, and significantly higher than that of its surrounding pixel gray value.
它具有随机分布的规律，并且明显高于其周围像素点的灰度值。
Remote sensing images indicate the physical objects with different attributes and their distribution through pixel gray value differences and the level of spatial variation.
遥感图像通过像元灰度值的高低差异和空间变化来表示不同属性的地物目标及其分布情况。
This paper does some experiments and analysis on the single pixel gray value of natural images. We find that lognormal distribution can be used for the coarse and simple model of single pixel gray.
本文针对自然图象中单像素灰度值的统计规律进行实验和分析，发现对数正态分布可以对之进行粗略、简单的建模。
First, a Gaussian distribution model for image pixel is proposed. The parameters contained in the model are adaptively updated based on the information from the current and historical frames.
首先，建立图像每一像素点的高斯分布模型，并根据序列中的当前帧及历史帧信息自适应地调整模型的参数。
Utilizing this pixel, a new error distribution algorithm is presented.
使用该象素，提出了一个新的误差分散算法。
The prior information of pixel intense distribution is introduced. Then simulated annealing algorithm is applied to choose the proper neighborhood structure, and the optimal estimate can be obtained.
引入像素强度的先验概率分布模型，运用模拟退火算法选择合适的邻域结构，获得强度的最优估计。
Then, every frame is mapped from spatial domain to statistical domain incorporating the factors such as the difference image from the consecutive frames and the prior distribution of a pixel density.
然后，结合图像帧间的差分信息以及灰度分布的先验概率等因素将图像从空间域映射至统计域。
Then, distinguish smoke by the characteristics of distribution of pixel. In this way, smork and flames will be segmented from complex background area.
然后，根据所提取出的像素点的分布特点识别出烟雾，从而实现烟雾和火焰与其复杂背景的准确分割。
Then two existing error distribution algorithms are reviewed and a neighbouring pixel that can be used but is neglected by the existing algorithms is put forward.
首先讨论一个有效的误差分散算法应满足的条件；然后对两个现有的误差分散算法进行分析并提出一个被现有算法所忽略的相邻象素。
The distribution of improved LBP texture is discussed and a significant test is performed to classify each moving pixel into foreground object or moving shadow according to this theory.
通过分析阴影的物理模型，得出局部纹理的光照不变性，利用基于比值判决的LBP纹理法来区分运动车辆和阴影，并应用亮度约束和几何启发式准则进一步改善阴影检测效果。
The measurement error of phase measurement profilometry caused by pixel size of detector under step distribution of reflection rate is studied through theoretical analysis and simulation.
根据生产实践提出一种典型交点尺寸的测量方法 ，介绍了该方法的数学模型、测量步骤、误差分析及计算程序。
The measurement error of phase measurement profilometry caused by pixel size of detector under step distribution of reflection rate is studied through theoretical analysis and simulation.
根据生产实践提出一种典型交点尺寸的测量方法 ，介绍了该方法的数学模型、测量步骤、误差分析及计算程序。
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