查询词典 segmentation-cavity

In accordance with chaotic essence of speech signals , syllable segmentation in continuous speech is researched by fractal theory . an approach of syllable segmentation using variance fractal dimension is proposed , its performance is analyzed in detail . the method can discriminate between voiced and unvoiced , between surd and sonant , but it can hardly discriminate between sonant

本文根据语音信号的混沌本质，利用分形理论研究了汉语连续语音中的音节分割问题，提出了基于方差分形维数的音节分割方法，并详细分析了该方法的性能，它能很好地解决了无声与有声、浊音与清音间的分割问题，但很难解决浊音间的分割问题，当浊音相连且过渡段较短时，该方法无法实现它们之间的分割。

Based on the disparate characteristics in multi-scale fractal dimension between the stable phonemes and their transient region, a simple and effective Initial/Final segmentation method is developed, not only with high performance in sonant Initial and zero Initial segmentation cases but also with high adaptability without any parameter training or threshold setting.

在此基础上，利用稳定声韵母段及其之间过渡段在多尺度分形维数上的不同特性设计了一种简单而高效的汉语语音声韵母切分方法。

The study can be useful for the selection of segmentation methods for soot image segmentation.

研究结果对烟尘图像分割中算法的选型具有一定的参考价值。

As an important component among information acquisition methods, the requirement for high quality auto-summarization system also becomes more urgency. To fulfill this requirement, an adapted Dotplot methods based on word sense quantization model is firstly provided to address the problem of subtopic segmentation. Then a multi-knowledge-sources-integrating model is constructed, which combines the results of rhetorical structure analyse, text content structure analyse and subtopic segmentation together and provides clues for abstract sentences extracting.

第四，互联网的普及增加了人们对信息获取速度、准确率的要求，也推动了人们对自动文摘系统的需求，为了进一步改进现有文摘技术，本文首先研究了基于语义量化模型的改进Dotplot隐式章节划分算法，然后通过加权有向图来构造了一个多知识源融合模型，模型能够融合文本修辞结构分析、内容层次结构分析以及隐式章节划分等多种知识源的分析结果，并以此为基础建立文摘语句的抽取算法。

Toboggan algorithm is an important tool to image segmentation,and the result of image segmentation depends on how to compute the gradient image to a great extent if applying toboggan to it.

滑降算法是一种重要的图像分割工具，然而基于滑降算法的图像分割在很大程度上依赖于待分割图像梯度的计算。

The experiment indicated that these three measurements were suit for moving plane object detection. This is the case when car passes the tollbooth. 4、If object is existence, object segmentation is needed. Three planar object segmentation techniques were proposed.

因此，我们研究了大视差情况下平面物体的检测，定义了聚焦模糊、视差方向线性度及图像相关测度这三个测度，实验表明这三个测度在物体的存在性检测方面是适用的。

The experiment results on remote sensing image segmentation show that the improved method effectively increases the speed of image segmentation based on the texture,and keeps the accurateness of the fractal dimension with the triangular prism method.

利用此法对遥感图像进行分割，结果表明：改进后的三角棱柱面法提高了基于遥感图像纹理特征的图像分割方法的计算速度，同时保留了三角棱柱面法对于分形维数计算的准确性。

The aim and significance of utterance segmentation is discussed. A method of integrating FBSRN with the rules is proposed for Chinese utterance segmentation. The fine-grained rule is used first to tag a segmented or unsegmented sign. Then, FBSRN is used to further segment the according to syntactic and semantic dependent information in context.

讨论了口语语段边界界定的目的和意义，提出了规则与神经网络相结合的汉语口语语段边界界定方法，首先使用细粒度规则为输入的口语对话加上切分标志和保留标志，然后再使用正反向精简循环网络综合利用上下文词的语法和语义信息进行汉语口语语段边界的界定。

Based on traditional method of image segmentation with the biggest variance ratio , a new method is proposed for image segmentation of front magnetic curve by taking front magnetic curve obtained from an oilfield for example.

在经典的最大方差比图像分割算法的基础上，以油田前磁曲线图像为例，提出一种新的适应于前磁曲线图像分割方法。

In the studying of image segmentation, six crucial technologies havebeen developed successfully. 1 In one dimension histogram of original DRimage of luggage, there remain maximum-value wave crest havingapproximately stationary position, and the first minimum to the left of thewave crest performs excellently to be used to get rid of background of DRimage. 2 Open operation, one type of math morphology, is the right idea toerase luggage disturbance in DR image and at the same time, can be retaininteresting region appropriately. 3 After open operation, there are only a few minimums on image histogram, one of which can be to segment image furtherand achieves satisfying result. 4 Method of histogram analyzing and that oferosion performs well in the re-segmentation of conglutinative region in DRimage. 5 Method of image distance switch can ensure Luggage CT sectionautomatically obtained to have rich suspicious region information. 6 Todecompose structure element of math morphology is a way to save a great dealrunning time for automatically discerning interesting regions algorithm,apparently improving implementation efficiency.

在对图像可疑区域分割研究中，主要开发成功以下几项关键技术：1发现原始箱包DR图像的一维直方图中，均具有位置相对稳定的最大值波峰，以波峰左边第一个极小值为分割阈值，去除DR图像背景，效果非常好。2运用数学形态学中的开运算能够非常有效地去除箱子的干扰，同时能够比较好地保留可疑区域。3发现开运算后的DR图像直方图只有若干个极小值点的特点，其中用最大值波峰左边的第二个极小值点进一步分割DR图像，能够更有效地提取箱包中的可疑区域。4运用直方图分析法和腐蚀法，对粘连区域实行再分割，效果较好。5运用距离变换法，能确保自动设定的箱包CT截面包含丰富的可疑区域信息。6运用形态学结构元素分解技术，大幅度减少可疑区域的自动判别算法运行时间，提高算法软件执行效率。

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。