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An overview of through the wall surveillance for homeland security 国土安全的穿墙监视概述
34th Applied Imagery and Pattern Recognition Workshop (AIPR'05) Pub Date : 2005-10-19 DOI: 10.1109/AIPR.2005.18
S. Borek
{"title":"An overview of through the wall surveillance for homeland security","authors":"S. Borek","doi":"10.1109/AIPR.2005.18","DOIUrl":"https://doi.org/10.1109/AIPR.2005.18","url":null,"abstract":"The Air Force Research Laboratory Information Directorate (AFRL/IF), under sponsorship of the Department of Justice's (DOJ), National Institute of Justice (NIJ) Office of Science and Technology (OS&T), is currently developing and evaluating advanced through the wall surveillance (TWS) technologies. These technologies are partitioned into two categories: inexpensive, handheld systems for locating an individual(s) behind a wall or door; and portable, personal computer (PC) based standoff systems to enable the determination of events during critical incident situations. The technologies utilized are primarily focused on active radars operating in the UHF, L, S (ultra wideband (UWB)), X, and Ku bands. The data displayed by these systems is indicative of range (1 dimension), or range and azimuth (2 dimensions) to the moving individuals). This paper highlights the technologies employed in five (5) prototype TWS systems delivered to NIJ and AFRL/IF for test and evaluation","PeriodicalId":130204,"journal":{"name":"34th Applied Imagery and Pattern Recognition Workshop (AIPR'05)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128663882","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: 74
Millimeter-wave weapons detection system 毫米波武器探测系统
34th Applied Imagery and Pattern Recognition Workshop (AIPR'05) Pub Date : 2005-10-19 DOI: 10.1109/AIPR.2005.34
D. Novak, R. Waterhouse, A. Farnham
{"title":"Millimeter-wave weapons detection system","authors":"D. Novak, R. Waterhouse, A. Farnham","doi":"10.1109/AIPR.2005.34","DOIUrl":"https://doi.org/10.1109/AIPR.2005.34","url":null,"abstract":"We are proposing a new electromagnetic (EM) solution for concealed weapons detection at a distance. Our proposed approach exploits the fact that the weapons of interest for detection, whether they are a hand gun, knife, box cutter, etc, each have a unique set of EM characteristics. The particular novelty of our technical solution for concealed weapons detection at a distance lies in the use of millimeter-wave (mm-wave) signals over a wide frequency band (26-40 GHz or Ka-band) to excite natural resonances in the weapon and create a unique spectral signature that can be used to characterize the object. By using such excitation signals in the mm-wave frequency band, benefits such as increased resolution and reduced component size can be realized. In addition, the use of a wideband mm-wave excitation signal provides an enhanced EM signature for the target that exhibits more features available for classifying the object","PeriodicalId":130204,"journal":{"name":"34th Applied Imagery and Pattern Recognition Workshop (AIPR'05)","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134032081","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: 19
Hierarchical Bayesian algorithm for diffuse optical tomography 漫射光学层析成像的层次贝叶斯算法
34th Applied Imagery and Pattern Recognition Workshop (AIPR'05) Pub Date : 2005-10-19 DOI: 10.1109/AIPR.2005.30
M. Guven, B. Yazıcı, X. Intes, B. Chance
{"title":"Hierarchical Bayesian algorithm for diffuse optical tomography","authors":"M. Guven, B. Yazıcı, X. Intes, B. Chance","doi":"10.1109/AIPR.2005.30","DOIUrl":"https://doi.org/10.1109/AIPR.2005.30","url":null,"abstract":"Diffuse optical tomography (DOT) poses a typical ill-posed inverse problem with limited number of measurements and inherently low spatial resolution. In this paper, we propose a hierarchical Bayesian approach to improve spatial resolution and quantitative accuracy by using a priori information provided by a secondary high resolution anatomical imaging modality, such as magnetic resonance (MR) or X-ray. The proposed hierarchical Bayesian approach allows incorporation of partial a priori knowledge about the noise and unknown optical image models, thereby capturing the function-anatomy correlation effectively. Numerical simulations demonstrate that the proposed method avoids undesirable bias towards anatomical prior information and leads to significantly improved spatial resolution and quantitative accuracy","PeriodicalId":130204,"journal":{"name":"34th Applied Imagery and Pattern Recognition Workshop (AIPR'05)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126022364","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
An overview of concealed weapons detection for homeland security 国土安全隐蔽武器探测概述
34th Applied Imagery and Pattern Recognition Workshop (AIPR'05) Pub Date : 2005-10-19 DOI: 10.1109/AIPR.2005.17
Peter J. Costianes
{"title":"An overview of concealed weapons detection for homeland security","authors":"Peter J. Costianes","doi":"10.1109/AIPR.2005.17","DOIUrl":"https://doi.org/10.1109/AIPR.2005.17","url":null,"abstract":"There is an immediate requirement for law enforcement and homeland security to identify concealed weapons which may present a threat to official personnel and the general public. This involves suicide bomb vests, handguns, knife blades, and other threatening weapons. The weapons may be composed of a large range of materials such as metals, nonmetals, plastics and explosives. The Homeland Security Advanced Research Projects Agency (HSARPA) and the National Institute of Justice (NIJ) are presently funding programs collectively covering all relevant portions of the electromagnetic spectrum and ultrasound in order to detect these weapons through the various materials that may be used to conceal these weapons This paper outlines the various imaging techniques being investigated and present results where available","PeriodicalId":130204,"journal":{"name":"34th Applied Imagery and Pattern Recognition Workshop (AIPR'05)","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123301488","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: 15
Multimodal polymeric contrast agents for MRI and fluorescence imaging in the management of cancer 多模态聚合造影剂在核磁共振和荧光成像治疗癌症中的应用
34th Applied Imagery and Pattern Recognition Workshop (AIPR'05) Pub Date : 2005-10-19 DOI: 10.1109/AIPR.2005.36
E. Uzgiris, Deborah Lee, A. Sood, Kathleen Bove, Stephen J. Lomnes
{"title":"Multimodal polymeric contrast agents for MRI and fluorescence imaging in the management of cancer","authors":"E. Uzgiris, Deborah Lee, A. Sood, Kathleen Bove, Stephen J. Lomnes","doi":"10.1109/AIPR.2005.36","DOIUrl":"https://doi.org/10.1109/AIPR.2005.36","url":null,"abstract":"The multimodal polymeric contrast agents for MRI and fluorescence imaging in the management of cancer are discussed. The paper presents preliminary data that suggest that a simple experimental protocol can provide at least an index of the permeability parameter if not the absolute permeability itself.","PeriodicalId":130204,"journal":{"name":"34th Applied Imagery and Pattern Recognition Workshop (AIPR'05)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2005-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125348849","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
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