Semantic Ambient Media Experiences最新文献_第5页

Precipitation estimation by infrared brightness temperature measurement of FengYun-4A imager 风云- 4a红外亮度测温降水估算

Semantic Ambient Media Experiences Pub Date : 2023-05-24 DOI: 10.1117/12.2682809

Gen Wang, Song Ye, Song Yuan, Yun Jiang

{"title":"Precipitation estimation by infrared brightness temperature measurement of FengYun-4A imager","authors":"Gen Wang, Song Ye, Song Yuan, Yun Jiang","doi":"10.1117/12.2682809","DOIUrl":"https://doi.org/10.1117/12.2682809","url":null,"abstract":"In this paper, based on the infrared channel brightness temperature from the advanced geosynchronous radiation imager (AGRI) of FengYun-4A satellite, the research on quantitative estimation of precipitation is carried out. The algorithm of precipitation estimation can be divided into three steps. Firstly, the dictionary of brightness temperature of FY-4A/AGRI infrared channel brightness temperature and the integrated multi-satellite retrievals for GPM (IMERG) precipitation is constructed as the historical training sample library. Secondly, the precipitation FOVs are identified. As prior information, the IMERG and ice cloud products are coupled to classification models of the K-nearest neighbor (KNN) and random forest to determine whether there is precipitation at the FOV to be estimated. Finally, the precipitation estimation is performed. Inverse problem regularization method and random forest regression model are used for precipitation estimation, respectively. On this basis, the preliminary experiments for precipitation estimation of and “Ampil (2018)” are carried out. The results show that the precipitation estimation accuracy with ice cloud products as prior information through the inverse problem regularization is better than that with the IMERG products as priori information, while the conclusion is the opposite for the random forest method. The accuracy of precipitation estimation based on the random forest method is better than that of the inverse problem regularization, especially in the “extreme” precipitation center.","PeriodicalId":130374,"journal":{"name":"Semantic Ambient Media Experiences","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127203920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Mid-air displays enabling novel user interfaces 空中显示支持新颖的用户界面

Semantic Ambient Media Experiences Pub Date : 2008-10-31 DOI: 10.1145/1461912.1461919

I. Rakkolainen

引用次数: 14

Creating ambient multimedia experience on-demand: opportunities, challenges and research models 按需创造环境多媒体体验:机遇、挑战和研究模式

Semantic Ambient Media Experiences Pub Date : 2008-10-31 DOI: 10.1145/1461912.1461921

N. Sharda

引用次数: 3

Dynamic gain estimation in ambient media services 环境媒体业务中的动态增益估计

Semantic Ambient Media Experiences Pub Date : 2008-10-31 DOI: 10.1145/1461912.1461922

M. A. Hossain, P. Atrey, Abdulmotaleb El Saddik

引用次数: 2

Ambient media in public spaces 公共场所的环境媒体

Semantic Ambient Media Experiences Pub Date : 2008-10-31 DOI: 10.1145/1461912.1461916

W. A. Schloss, D. Stammen

{"title":"Ambient media in public spaces","authors":"W. A. Schloss, D. Stammen","doi":"10.1145/1461912.1461916","DOIUrl":"https://doi.org/10.1145/1461912.1461916","url":null,"abstract":"As artists working in public art and media, we have repeatedly found that the usual parameters and characteristics for a work of art have to be heavily modified to be successful in an ambient environment. Art does not normally strive to be innocuous or inconspicuous; however every artist who does public art quickly learns to deal with the impact of their art in a public space, especially if the public's exposure to the art is continuous.\u0000 We have recently created four public art installations, three in Seattle and one in New York, varying tremendously in style and content. In all such work, the issues of ambient sound and its semantics had to be specifically and carefully addressed; in our case, one installation is in a public library, two others are in a workplace where the staff would be exposed to the sound for extended periods, and the fourth is in a gallery that allowed the public to experience the artwork one person at a time. It is the auditory aspect of the artworks that will be the focus here, in the context of ubiquitous ambient sonic environments. Lessons learned from the world of public art may have some resonance in the coming world of ubiquitous computing.\u0000 Essentially, these installations use the forces and sounds of nature (wind, sun, rain, ocean waves) to generate sounds and images to amplify reality, to draw attention to our natural surroundings that so often get lost in urban environments.","PeriodicalId":130374,"journal":{"name":"Semantic Ambient Media Experiences","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128722148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

A case study for a multimedia program 一个多媒体程序的案例研究

Semantic Ambient Media Experiences Pub Date : 2008-10-31 DOI: 10.1145/1461912.1461925

Szu-Ming Chung, Pei-Chi Ho, Chun-Hsiung Huang

引用次数: 1

Virtual assistant: an artificial agent for enhancing content acquisition: how ambient media elicit information from humans 虚拟助手:增强内容获取的人工代理:环境媒体如何从人类那里获取信息

Semantic Ambient Media Experiences Pub Date : 2008-10-31 DOI: 10.1145/1461912.1461927

Motoyuki Ozeki, Shunichi Maeda, Kanako Obata, Yuichi Nakamura

引用次数: 4

Red light spotters: images-driven sound and rhythm landscape 红灯点灯:图像驱动的声音和节奏景观

Semantic Ambient Media Experiences Pub Date : 2008-10-31 DOI: 10.1145/1461912.1461926

P. Codognet, Gilbert Nouno

引用次数: 3

Ambient music experience in real and virtual worlds using audio similarity 使用音频相似性在真实和虚拟世界中体验环境音乐

Semantic Ambient Media Experiences Pub Date : 2008-10-31 DOI: 10.1145/1461912.1461915

J. Frank, T. Lidy, Ewald Peiszer, Ronald Genswaider, A. Rauber

引用次数: 12

Ambient assisted living: elderly people's needs and how to face them 环境辅助生活:老年人的需求和如何面对他们

Semantic Ambient Media Experiences Pub Date : 2008-10-31 DOI: 10.1145/1461912.1461917

Verena Fuchsberger

{"title":"Ambient assisted living: elderly people's needs and how to face them","authors":"Verena Fuchsberger","doi":"10.1145/1461912.1461917","DOIUrl":"https://doi.org/10.1145/1461912.1461917","url":null,"abstract":"This paper is about challenges of technological and media innovations concerning elderly's quality of life. Ambient Assisted Living (AAL) aims at producing technological and media support to help elderly people to stay at their homes longer. There are many different projects on how to reach this goal, mostly with technological background. This paper tries to point out pedagogical and psychological positions in order to reflect innovations critically. This paper concentrates on creation, design, performance and effects of these innovations.\u0000 The discussion about Ambient Assisted Living started when political entities couldn't ignore the fact of the demographic change any longer. The European Union, for example, started a program called AAL to support projects that produce innovative devices for old people. One regional project is about the medium IPTV that should inform, train und support elderly so that they can manage their daily lives. Information and interaction are the main aspects, which will be considered for IPTV.\u0000 Facing this growing field of research there are many questions concerning the necessity and the problems of all projects. Some of them will be discussed here: (1) Which possibilities and barriers arise with technological and media inventions? (2) How does the target group, which consists of elderly people, influence design, performance and effects of technological innovations?\u0000 In order to get answers to these questions we will take a look at the situation of elderly people, of technology and media and the interplay between them.","PeriodicalId":130374,"journal":{"name":"Semantic Ambient Media Experiences","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131303079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 61