区域生长(region growing)是指将成组的像素或区域发展成更大区域的过程。从种子点的集合开始,从这些点的区域增长是通过将与每个种子点有相似属性像强度、灰度级、纹理颜色等的相邻像素合并到此区域。
交通标志的自动定位与识别-两化融合 关键词:交通标志;阈值;区域生长;特征提取;匹配 [gap=645]keywords:traffic signs;threshold;region growing;feature extraction;recognition
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基于区域生长的肝区提取算法 --中国期刊网 关键词:肝区提取;区域生长;形态学 [gap=520]Key words:Extracting liver; Region Growth; Morphologic Algorithm
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Lastly, region growing method is used to improve the edge of the objects.
去除虚假的目标区域后,最后用区域生长法进一步完善目标区域的边缘。
参考来源 - 主动监视技术研究By assigning the weight, seeds can be determined using clustering method. Region growth is implemented by applying Bayesian decision with minimal error ratio.
在运动区域中进行区域生长,计算运动区域凸包,在凸包中进行采样,并根据权值表赋予权值,通过聚类确定种子,使用基于最小错误率的贝叶斯决策作为生长准则进行生长。
参考来源 - 复杂条件下多个指示色标块的检测A method for distilling object is presented,take the movement of table-tennis as example. Using AVI function to discompose frames,applying region-growing algorithm to calculate object’s movement track after pre-processing in segmentation of image.
本文以乒乓球运动为例,提出了一种使用AVI函数从视频序列中分解帧,然后逐帧进行预处理和区域生长分割,从而实现目标提取的方法。
参考来源 - 双目视觉测量在乒乓球运动速度分析中的应用 in CThen, we advanced two modified motion segmentation algorithm: one is based on region motion vector , this algorithm can improve the performance of the segmentation mask; another is modified semi-interactive segmentation algorithm based on seeded region growing.
在接下来的章节中,本文提出两种视频运动分割算法的改进方案:一种是基于整体运动矢量修正的运动分割算法,这种算法可以对差分模板进行比较好的修正,有效改善模板性能,提高分割质量,这是一种自动分割方案;另外一种是改进了的基于种子区域生长(SRG)算法的交互式分割方案。
参考来源 - 视频序列中运动对象分割的研究Method of maximal between-class variance is used to determine the optimal threshold value of image segmentation. And method of region growth is also improved.3.
2.利用一维最大类间方差法确定最佳的图像分割阈值,并对区域生长算法的生长方式进行了改进。
参考来源 - 基于DSP的空中目标跟踪系统Therein, while carrying on extraction on the two-dimensional images, in this thesis, the active outline model is used to extract main glomerulus borderline in a sliced image. Then, carry on regional growth base the borderline in a small area.
其中,在对二维序列图像进行肾小球区域提取时,本文采用了基于活动轮廓的方法,获得序列切片图像中的肾小球的大致边界,再对该边界的一个小区域内作区域生长,最终得到真实的包围肾小球区域的闭合边界。
参考来源 - 肾小球三维重建系统的研究By concluding and summarizing former methods, proposed two methods to extraction building semi-automatic, one is based on the edge detection combine with area growth, the other is based on object oriented classification, the two methods can extraction building profile semi-automatic.3.
2、在对已有方法进行总结归纳的基础上,提出了基于边缘检测结合区域生长和基于分类两种方法进行建筑物提取,实现了典型建筑物的半自动提取。
参考来源 - 高分辨率卫星影像建筑物轮廓提取方法研究·2,447,543篇论文数据,部分数据来源于NoteExpress
通过进行区域生长,得到了最终的分割结果。
Finally the result of segmentation after region growing was attained.
分割过程由基于区域生长的预分割和基于FNNHS的区域合并两步构成。
The segmentation process consists of pre-segmentation based on region growing algorithm and region merging based on FNNHS.
大脑解剖实验表明用药的老鼠在称为齿状回的脑部区域生长出三倍于正常数目的神经元。
When dissected, the treated rats turned out to have three times the usual number of newborn neurons in a brain region called the dentate gyrus.
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