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《Health & place》2022
Measuring microscale factors of walkability has been labor-intensive and expensive. To reduce the cost, various efforts have been made including virtual audits (i.e., manual audits using street view images) and the introduction of computer vision techniques. Although studies have shown that virtual audits (i.e., manual audits using street view images) can reliably replicate in-person audits, they are still prohibitively expensive to be applied to a large geographic area. Past studies used computer vision techniques to help automate the audit process, but off-the-shelf models cannot detect some of the important microscale walkability characteristics, falling short of fully capturing the multi-facetted concept of walkability. This study is one of the earliest attempts to use the combination of custom-trained computer vision models, geographic information systems, and street view images to automatically audit a complete set of items of a validated microscale walkability audit tool. This study validates the reliability of the automated audit with virtual audit results. The automated audit results show high reliability, indicating automated audit can be a highly scalable and reliable replacement of virtual audit. 相似文献
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A Google Trends™ Analysis of Bladder Cancer: Determining Awareness Campaign Success,and Patients’ Needs in Clinical Management
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Aykut DemirciBerat Cem Özgür 《Asian Pacific journal of cancer prevention》2021,22(10):3115-3120
Objective: We aimed to determine the interest and changing trends over time in the diagnosis and treatment of bladder cancer and its awareness campaign by examining the Google Trends application as an indicator of people’s interest globally. Methods: Using the Google Trends application, we determined the yearly and country-based relative search volumes of the term “bladder tumor” and of the methods used in the diagnosis and treatment of bladder cancer in the period from January 2004 to December 2019. We compared the median relative search volumes found in the period 2004-2011 (Period 1) with those found in the period 2012-2019 (Period 2). Results: We found that the median relative search volume for bladder cancer decreased in period 2 and this was parallel to the decrease in the incidence rates in North America and Australia (p<0.001). We found that the bladder cancer awareness month did not cause an increase in the online interest (p>0.05). We found that the median relative search volumes of diagnostic cystoscopy and cytology were higher than those of molecular markers and imaging methods in line with guidelines (p<0.001). Also, TURBT was the most sought-term among treatment methods with increasing popularity in the second period (p<0.001). Conclusion: People use the internet intensively to search for information about bladder cancer. We think that several types of web-based applications such as “Google Trends” can help determine the behavioural patterns and tendencies of bladder cancer patients and affect the clinical decision-making processes, as well as readily determining the impact of cancer awareness campaigns to bring about an increased awareness in the society for the recognition of the importance of an early diagnosis. 相似文献
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The Internet is a common source of medical information and has created novel surveillance opportunities. We assessed the potential for Internet-based surveillance of methicillin-resistant Staphylococcus aureus and examined the extent to which it reflects trends in hospitalizations and news coverage. Google queries were a useful predictor of hospitalizations for methicillin-resistant S. aureus infections. 相似文献
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以基于Moodle的“教育技术学开放教育资源”网站为例,利用Google Analytics对该网站的受众群体、网站内容以及流量来源进行了多种维度的分析.指出:①Google Analytics能够为定量评价教育网站提供非常丰富的各类流量数据,但评价需要综合应用不同维度、不同层次的数据进行综合分析;②在这些丰富的数据中,网站内容分析方面的数据对于以课程为中心的教育网站而言,具有十分重要的价值. 相似文献
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湖南省血吸虫病GIS监测平台—Google Earth疫情信息系统的建立与应用 总被引:1,自引:0,他引:1
目的建立新一代湖南省血吸虫病GIS监测平台——Google Earth疫情信息系统,并探讨其现场应用价值。方法用Visual FoxPro和Excel建立血吸虫病疫情数据库,利用Google Earth API软件提取数据库信息,完成与Google Earth的关联。结果基于Google Earth平台建立的湖南省血吸虫病疫情信息系统构建清晰、操作简单、表达具体,适合于日常血吸虫病监测需要,并为合理、及时制定防治策略提供了有力依据。结论成功构建了基于Google Earth平台的湖南省血吸虫病疫情监测信息系统。初步应用结果显示,其具有广阔的应用前景和继续开发的价值。 相似文献
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Cooke图书搜索、百度图书搜索、读秀学术搜索是3种常用的图书搜索引擎。比较分析3种图书搜索引擎的检索方式、检索效率、检索结果及读者参与机制等,使用户更好地了解3种图书搜索引擎的特点与搜索特性,从而更好地利用。 相似文献
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