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手势手语力效分析 被引量:4
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作者 姜峰 高文 +1 位作者 姚鸿勋 陈熙霖 《计算机学报》 EI CSCD 北大核心 2007年第5期851-860,共10页
在非特定人手语识别研究中,数据差异性带来的矛盾已使其成为一个亟待分析的问题.从人体运动学、语言学等角度对手语理解,是解决差异性矛盾进而推动非特定人手语识别的有效途径.文章以运动观测科学规则,特别是拉班的力效理论为基础,归纳... 在非特定人手语识别研究中,数据差异性带来的矛盾已使其成为一个亟待分析的问题.从人体运动学、语言学等角度对手语理解,是解决差异性矛盾进而推动非特定人手语识别的有效途径.文章以运动观测科学规则,特别是拉班的力效理论为基础,归纳了造成手语数据差异的因素,提出了手势手语力效要素的定义和描述方法;继而给出了非特定人手语数据的归整策略,规整后的数据用于训练与识别.在多种实验环境下进行的评估结果表明,识别的效果得到了明显的提升. 展开更多
关键词 手语识别 力效分析 非特定人 数据差异性 力效要素
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The Problems and Solutions of Rural Labor Flowing in low Marketization Level
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作者 Xilong Deng Juan Chen 《International Journal of Technology Management》 2015年第7期143-146,共4页
Rural labor flowing in low marketization level restricts rural production elements of effective allocation, and restricts the development of rural economy, causes the gap between urban and rural areas to continue expa... Rural labor flowing in low marketization level restricts rural production elements of effective allocation, and restricts the development of rural economy, causes the gap between urban and rural areas to continue expanding. This article has analyzed the reasons of phenomenon, and raised some solutions from abolishing the barrier of the household register, improved rural labor' s cultural and skills quality, and built a social security system in rural areas improve the marketization level of rural labor flow. 展开更多
关键词 Rural Laborers Flowing in Low Marketization Level REASONS SOLUTIONS
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A Study of How Market Entry and Exit Matter for Productivity in China's 426 Industries
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作者 Li Ping Jian Ze Jiang Feitao 《China Economist》 2013年第1期24-37,共14页
Based on extensive micro data sets, this paper examines the relationship among large-scale entry and exit, competition and total factor productivity (TFP) growth of China's industry during economic transition and m... Based on extensive micro data sets, this paper examines the relationship among large-scale entry and exit, competition and total factor productivity (TFP) growth of China's industry during economic transition and market opening. We have arrived at these findings: market opening spurs entry and exit of large numbers of non-state-owned enterprises (non-SOEs) and facilitates dynamic competition; through the stimulation effect of competition, entry and exit push TFP growth on the part of enterprises; through the resource reallocation effect, entry and exit promote growth of the aggregate TFP. However, results indicate that the resource allocation efficiency remains very low in capital-intensive industries where the government intervenes a lot. To conclude, promoting open competition is significant to the growth of industrial sectors 'productivity. 展开更多
关键词 market opening entry and exit COMPETITION total factor productivity (TFP)
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