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Up to this time, the major challenge to sign language recognition is how to develop approaches that scale well with increasing vocabulary size In this paper, an approach to large vocabulary, continuous Chinese sign language recognition is presented, which uses subwords instead of whole signs as the basic units Since the number of subwords is limited, HMM based training and recognition of the CSL signal become more tractable and have the potential to recognize enlarged vocabularies Furthermore, the proposed method facilitates the CSL recognition when finger alphabet is blended with gestures About 2400 subwords are defined for CSL One HMM is built for each subword, and then the signs are encoded based on these subwords A decoder that uses tree structured network is presented Clustering of the Gaussians on the state, language model and N best is used to improve the performance of the system Experiments on a 5119 sign vocabulary are carried out, and the correct rate is over 90% for continuous sign recognition

迄今为止,手语识别面临的最大问题是如何解决词汇集易扩充的连续识别提出一种大词汇量连续中国手语识别方法,将词根作为识别基元,由于基元的数目是有限的,因此基于HMM的手语信号的训练和识别变得比较容易处理,可以实现更大词汇量的识别除此之外,所提方法还有利于实现手势语和手指语的混合识别从中国手语中共整理出2 4 0 0多个词根,为每个词根建一个并行的HMM模型,对各数据流的HMM模型进行聚类,确定出手语识别的基元根据这些基元对手势词编码,并建立了树状搜索网格,使用状态结点上高斯密度函数聚类、语言模型和N Best方法提高系统的速度和精度对 5 119个手语词做了实验,连续语句的识别率可在 90 %以上

In general, the number of irreducible polynomials of degree over the finite field GF is given by

一般的,在有限域GF上,次不可约多相似的数目由公式给出。

For some shortcomings of unknown quantity numbers in finite element method, QR-method establishes a transformed relationship between a unit node displacement vector and the entire framework of spline node displacement vector,making the structure of the total stiffness matrix, damping matrix, mass matrix directly superimposed in no need of finite element method in the first expansion after the superposition process. So the method greatly simplifies the calculation process and improves computing speed.

针对有限单元法中未知量数目很多的缺点,QR法建立起单元结点位移向量与整个框架样条结点位移向量的转化关系,使得结构总刚度矩阵、阻尼矩阵、质量矩阵可以直接叠加,不需要有限单元法中先扩张后叠加的手续,大大简化了计算过程,提高计算速度。

Of the number of successes in a finite set of independent trials with a constant ''.

成功率不变的有限独立试验中成功数目的一个理论分布。

A theoretical distribution of the number of successes in a finite set of independent trials with a constant probability of success.

成功率不变的有限独立试验中成功数目的一个理论分布。

But, there is a finite limit with the races.

但是,种族的数目是有限的。

Central Africas lowland gorilla populations suffer from steady habitat loss, capture and killing by poachers, and the cross fire of civil wars within their range.

非洲中部的低地的大猩猩数目遭受从稳定栖息地到降低数量,原因是被偷猎者捕获和杀死,也有越过山林火的灾难。

We give a polynomial algorithm for the first problem and an approximation algorithm for the second one.

对于一类具有离散资源约束的排序问题当机器数目固定时本文给出了一个多项式时间算法,对于一类加工时间依赖资源的排序问题给出了近似算法。

The two categories of flag day, their ability in mobilising volunteers and the respective benefits of the two

提供的卖旗日数目、机构动员义工的能力及两类卖旗日各自的优点。

Flash card is very useful to children.

数目抽认卡对孩子很有用。

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推荐网络例句

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。

This is not paper type of business,it's people business,with such huge money involved.

这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。