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Scalable storyboards in handheld devices: applications and evaluation metrics

文献类型：期刊论文

作者Herranz, Luis; Jiang, Shuqiang
刊名MULTIMEDIA TOOLS AND APPLICATIONS
出版日期2016-10-01
卷号75期号:20页码:12597-12625
关键词Scalable storyboards Video browsing Usability Quality metrics
ISSN号1380-7501
DOI10.1007/s11042-014-2421-4
英文摘要Summaries are an essential component of video retrieval and browsing systems. Most research in video summarization has focused on content analysis to obtain compact yet comprehensive representations of video items. However, important aspects such as how they can be effectively integrated in mobile interfaces and how to predict the quality and usability of the summaries have not been investigated. Conventional summaries are limited to a single instance with certain length (i.e. a single scale). In contrast, scalable summaries target representations with multiple scales, that is, a set of summaries with increasing length in which longer summaries include more information about the video. Thus, scalability provides high flexibility that can be exploited in devices such as smartphones or tablets to provide versions of the summary adapted to the limited visualization area. In this paper, we explore the application of scalable storyboards to summary adaptation and zoomable video navigation in handheld devices. By introducing a new adaptation dimension related with the summarization scale, we can formulate navigation and adaptation in a two-dimensional adaptation space, where different navigation actions modify the trajectory in that space. We also describe the challenges to evaluate scalable summaries and some usability issues that arise from having multiple scales, proposing some objective metrics that can provide useful insight about their potential quality and usability without requiring very costly user studies. Experimental results show a reasonable agreement with the trends shown in subjective evaluations. Experiments also show that content-based scalable storyboards are less redundant and useful than the content-blind baselines.
资助项目National Basic Research Program of China (973 Program)[2012CB316400] ; National Natural Science Foundation of China[61322212] ; National Natural Science Foundation of China[61035001] ; National Natural Science Foundation of China[61350110237] ; National Hi-Tech Development Program (863 Program) of China[2014AA015202] ; Chinese Academy of Sciences Fellowships for Young International Scientists[2011Y1GB05] ; Lenovo Outstanding Young Scientists Program (LOYS)
WOS研究方向Computer Science ; Engineering
语种英语
WOS记录号WOS:000382994700018
出版者SPRINGER
源URL[http://119.78.100.204/handle/2XEOYT63/8187]  
专题中国科学院计算技术研究所期刊论文_英文
通讯作者Herranz, Luis
作者单位Chinese Acad Sci, Inst Comp Technol, Key Lab Intelligent Informat Proc, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714		 Herranz, Luis,Jiang, Shuqiang. Scalable storyboards in handheld devices: applications and evaluation metrics[J]. MULTIMEDIA TOOLS AND APPLICATIONS,2016,75(20):12597-12625.
APA Herranz, Luis,&Jiang, Shuqiang.(2016).Scalable storyboards in handheld devices: applications and evaluation metrics.MULTIMEDIA TOOLS AND APPLICATIONS,75(20),12597-12625.
MLA Herranz, Luis,et al."Scalable storyboards in handheld devices: applications and evaluation metrics".MULTIMEDIA TOOLS AND APPLICATIONS 75.20(2016):12597-12625.

入库方式： OAI收割

来源：计算技术研究所

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