技术生命周期视域下专利技术主题演化分析方法研究——以视频图像处理技术领域为例  

Research on the Analysis Method of Patent Technology Topic Evolution in the Perspective of Technology Life Cycle:Taking Video Image Processing Technology as an Example

作　　者：冉从敬[1] 田文芳 贾志轩 Ran Congjing;Tian Wenfang;Jia Zhixuan(School of Information Management,WuHan University,Hubei Wuhan 430072)

机构地区：[1]武汉大学信息管理学院,湖北武汉430072

出　　处：《情报理论与实践》2024年第9期124-133,共10页Information Studies:Theory & Application

基　　金：国家社会科学基金重大项目“大数据主权安全保障体系建设研究”的成果,项目编号:21&ZD169。

摘　　要：[目的/意义]专利技术主题演化分析可以深刻揭示主题领域的技术发展脉络,如何对其进行准确挖掘对企业提高技术创新能力至关重要。[方法/过程]沿着“技术演化理论构架”→“技术生命周期划分”→“技术主题提取”→“技术主题演化分析”这一研究主线,以自建数据库为数据来源,首先,基于Logistics模型进行技术生命周期划分;然后,分别利用LDA主题模型和PCA+K-means模型进行技术主题提取,并从技术主题强度和技术主题内容两个维度进行技术主题演化分析;最后,以视频图形处理技术领域为例,验证模型的有效性和适用性。[结果/结论]研究结果表明,文章构建的智能模型可以挖掘出主题领域的热门和新兴主题,该分析方法对于认识和追溯技术主题演化规律进而厘清关键技术的发展脉络具有实际应用价值。[Purpose/significance]Analysis of the evolution of patent technology topics can reveal the technological develop-ment trajectory in the subject area,and how to accurately mine it is crucial for enterprises to improve their technological innovation capability.[Method/process]Along the research line of“technology evolution theoretical framework”→“technology life cycle division”→“technology topic extraction”→“technology topic evolution analysis”,taking the self-constructed database as the data source.Firstly,we divide the technology life cycle based on the Logistics model,and then extract the technology topics by using the LDA topic model and PCA+K-means model respectively,and then analyze the evolution of technology topics from the di-mensions of technology topic intensity and technology topic content.Finally,this paper takes the video image processing technology field as an example to verify the validity and applicability of the model.[Result/conclusion]The research results show that the in-telligent model constructed in this paper can mine the popular and emerging topics in the subject area,and the analysis method has practical application value for recognizing and tracing the evolution law of technical topics and then clarifying the development vein of key technologies.

关 键 词：技术生命周期 Logistics模型 LDA主题模型 PCA+K-means模型 演化分析 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术] G255.53[自动化与计算机技术—计算机科学与技术]