To segment a vehicle license card from the image background of the whole vehicle, a image segmentation algorithm basing on cross variance and Mathematical morphology is presented.
针对汽车牌照与车身背景的分割问题，提出一种基于横向方差和数学形态学的图像分割方法。
An improved algorithm of the traditional fingerprint image segmentation algorithm-variance method is proposed.
提出了一种传统的指纹图像分割算法——方差法的改进算法。
The proposed method analyses local image statistics and then matches the local histograms of two images to be fused by applying mean or mean variance matching normalization functions.
该方法分析了局部影像统计特性，应用均值或均值—方差匹配正态函数，对要融合的两幅影像局部直方图进行匹配。
In selective masking smoothing algorithm, it is needed to calculate grayscale average and variance of a large number of image Windows.
在选择掩模平滑算法中，需要计算一幅图像的大量局部窗口的灰度均值和方差。
The threshold of each leaf is calculated through the variance of each and the estimated noise variance of the entire image.
通过每一叶节点以及整个图像的噪声的估计方差变化计算叶节点阈值。
On the basis of evaluation function of using image intensity variance, we proposed a new auto-focusing algorithm by means of Wavelet Transform Multi-Resolution Analysis(WTMRA) theory.
在传统图像灰度方差评价函数的基础上，利用小波多分辨率分析，提出了一种新的自动聚焦算法。
Based on maximum between-cluster variance method and uniformity measure, this paper USES maximum entropy principle to select the gray-level threshold value for image segmentation.
在最大类间方差法和一致性准则法的基础上，运用最大熵原理来选择灰度阈值对图像进行分割。
It is found that the variance in the chroma of the surface image is of significant characteristic, and that it can be used as an index to evaluate the burn degree.
研究结果表明，烧伤表面图像的色度方差具有明显特征，可以作为烧伤程度的评价指标。
The sections were examined with a polarized light microscope, and lesion measurements made using image analysis software. ANOVA and coefficients of variance were used to compare the findings.
用偏振光显微镜检测这些切片，用图像分析软件分析病损大小，ANOVA和变异系数用于比较结果。
Using the maximum between-class variance method (OTSU) obtained image binarization best treatment threshold, and thus image binarization treatment.
利用最大类间方差法（OTSU）求出对图像进行二值化处理的最佳阈值，从而进行图像二值化处理。
For regions with high grey-scale level or with tensely variable grey level, the image enhancement coefficients shall be adaptively controlled based on local mean value and variance.
针对图像中的高灰度区和灰度剧变区，应用图像局部均值和方差自适应调节增强系数。
Propose a algorithm on how to delete the false points exist at the edge of fingerprint image by using the values of local variance.
针对指纹特征提取后出现的大量边界伪特征点，研究了一种利用局部方差的大小作为阀值滤除伪点的算法。
A fingerprint image segmentation method based on 2d maximum between-cluster variance is suggested in this paper.
本文提出了一种基于二维最大类间方差的指纹图像分割算法。
Then, the best threshold value is calculated basing on the gradient magnitude mean and the variance of the image.
再由图像的梯度幅值均值和方差计算出图像的最佳阈值。
As to sea image, the variance feature of region of interest and the luminance contrast feature between target and background are used to fusion recognition.
对于海面图像，分别采用感兴趣舰船目标区域的方差值、目标和背景亮度对比度这两个特征对目标进行融合识别。
Occlusions are identified by estimating the color variance on elemental images and then deleting it in the final synthetic image.
通过比较图像序列的颜色方差，将方差低于设定阈值的像素识别为遮挡物，从图像序列中删除后再进行目标重构。
For the regions in image where gray value is high or change intensely, local mean value and variance is adopted to control enhancement coefficients.
针对图像中的高灰度区和灰度剧变区，应用图像局部均值和方差自适应调节增强系数。
Based on the mean value and variance, the image normalizing is to reduce the variations of gray between fingerprint ridges and furrows;
个体指纹被采集成指纹图像后，首先采用基于自身灰度均值和方差的规格化方法，降低指纹脊、谷线之间的灰度变化程度；
The proposed method is divided into two steps: 1 license plate location by the variance of gray image, and 2 license plate segmentation by connected components analysis and projection analysis.
该系统由两个重要步骤组成：1基于灰度方差的车牌定位算法，2结合连通域分析和投影分析的字符切分算法。
The optimal effect of binarization arithmetics is the maximum variance between various classifications. Core fissure image is acquired from core splitting surface images by the use of this method.
最大类间方差法的二值化算法是基于类间方差达到最大为准则，采用该法获得了理想的二值化效果，较准确地从岩心剖面中提取出裂缝图像信息。
The method of minimum interclass variance needs to compute conic statistic in segmenting image, which costs a large computation but has less efficiency.
最小类内方差法分割图像时需要计算二次统计量，运算量大，效率不高。
The potential temporal hopping point set is fetched from the temporal projection variance of the adjacent domain time-frequency image according to the instantaneous signal bandwidth.
根据跳频信号瞬时带宽，将潜在跳频频率点邻域时频图投影到时域，分选潜在频率跳变点集合。
OBJECTIVE: a new texture analysis method is proposed, based on a minimum-variance energy map, to suppress the effect of tag lines on image segmentation.
目的：为了抑制标记线对图像分割的影响，提出了一种基于最小值-方差能量图的纹理分析方法。
A method of implementing adaptive enhancement of variance on an image by a recursive low-pass filter is introduced mainly in this paper.
介绍了用递归低通滤波器方法来实现图象的方差自适应增强。
The images gradient magnitude mean and the variance of every pixel in the image relative to the gradient magnitude mean are calculated according to the method proposed in the paper.
针对传统分水岭变换对图像进行分割时常见的过度分割情况，提出了利用先验知识对梯度幅度图像进行处理的方法。
Address the traditional variance-based method for fingerprint image segmentation problems, put forward an improved algorithm for fingerprint image segmentation.
针对传统的基于方差法的指纹图像分割法存在的问题，提出了一种改进的指纹图像分割算法。
A novel image segmentation algorithm based on 1-d maximum inter-class variance and shape connectivity is proposed in this paper.
提出了一种新的基于一维最大类间方差和形状连通性的图像分割算法。
There are many factors that cause the characters segmentation task difficult, such as image noise, plate frame, rivet, space mark, plate rotation and illumination variance.
车牌字符分割中存在噪声干扰、边框影响、铆钉和间隔符影响、车牌旋转、光照不均等问题。
The traditional way is to obtain the sub-image by sampling the noised image in spatial or frequency domain, then calculate its variance to replace that of the original noise.
传统方法是通过空域或频域采样，得到该子噪声图像，然后直接对其估计方差，它对图像信息的分布有要求。
The traditional way is to obtain the sub-image by sampling the noised image in spatial or frequency domain, then calculate its variance to replace that of the original noise.
传统方法是通过空域或频域采样，得到该子噪声图像，然后直接对其估计方差，它对图像信息的分布有要求。
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