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TL;DR: This paper presents five different statistical methods for ground scene prediction (GSP) in wavelength-resolution synthetic aperture radar (SAR) images and indicates that the median method provided the most accurate representation of the true ground.
Abstract: This paper presents five different statistical methods for ground scene prediction (GSP) in wavelength-resolution synthetic aperture radar (SAR) images. The GSP image can be used as a reference image in a change detection algorithm yielding a high probability of detection and low false alarm rate. The predictions are based on image stacks, which are composed of images from the same scene acquired at different instants with the same flight geometry. The considered methods for obtaining the ground scene prediction include (i) autoregressive models; (ii) trimmed mean; (iii) median; (iv) intensity mean; and (v) mean. It is expected that the predicted image presents the true ground scene without change and preserves the ground backscattering pattern. The study indicates that the the median method provided the most accurate representation of the true ground. To show the applicability of the GSP, a change detection algorithm was considered using the median ground scene as a reference image. As a result, the median method displayed the probability of detection of 97 % and a false alarm rate of 0 . 11 / km 2 , when considering military vehicles concealed in a forest.
11 citations
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29 Jan 2003TL;DR: An interactive system for providing information and optimizing the service in the health areas and those related thereto is described in this paper, where narrated structured texts, explanatory videos and photographs related to several pathologies, its treatments, surgeries and the like, as well as the introduction of the professional on duty of the medical area or another area related thereto, his/her resume, a blank space for the most frequent doubts and a space for advertising by advertisers registered in the system, said software being associated to an equipment to be installed in any environment that is easily accessed by the users interested in the
Abstract: An interactive system for providing information and optimizing the service in the health areas and those related thereto able to organize and provide, in an interactive way, information and instructional matters of interest to users (patients/clients) (5) on subjects concerning the health areas and those related thereto, said information being provided by an interactive software (3) (the registration application therefor having already been filed by the inventor of said system himself), showing narrated structured texts, explanatory videos and photographs related to several pathologies, its treatments, surgeries and the like, in a screen (2), as well as the introduction of the professional on duty (6) of the medical area or another area related thereto, his/her resume, a blank space for the most frequent doubts, as well as a space for advertising by advertisers (12) registered in the system, said software (3) being associated to an equipment (1) to be installed in any environment that is easily accessed by the users interested in the information therein, wherein, after said information is handled and attained, said user (5), now more informed, becomes more receptive, thus assisting the professional (5) in his/her consultation in a substantially interactive process, thus improving the rates of feedback acceptance and respect to the proposed treatments or surgeries, also providing spaces for disclosing products, services and researches that aim at generating a greater interest and benefits.
11 citations
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TL;DR: The volume of upper airway (UAWV) and the volume of craniofacial structures in adult patients suffering from obstructive sleep apnoea and compare them to the corresponding findings in adults with no sleep disorders are compared.
11 citations
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08 Sep 2004TL;DR: The goal of this panel is to contrast existing approaches to embedded system education with the needs in industry.
Abstract: The goal of this panel is to contrast existing approaches to embedded system education with the needs in industry.
11 citations
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07 Apr 1995TL;DR: In this article, an arrangement for absorbing collision energy in a vehicle, preferably a passenger car, incorporating a framework and a forward portion with a wheel housing (24) on each side, is presented.
Abstract: An arrangement for absorbing collision energy in a vehicle, preferably a passenger car, incorporating a framework and a forward portion with a wheel housing (24) on each side. A first elongated force-transmitting device (2) with a first end portion (2a), a second end portion (2b) and an intermediate portion (2c) which is arranged between these latter. The first end portion (2a) is connected to the framework and the second end portion (2b)is connected to a bumper element at the forward end of the vehicle. The intermediate portion (2c) extends past the pertinent wheel housing (24). The second end portion (2b) is at the same time designed with a greater width than the intermediate portion (2c) and covers the greater part of the width of the vehicle wheel arranged in the wheel housing (24).
10 citations
Authors
Showing all 760 results
Name | H-index | Papers | Citations |
---|---|---|---|
Christer Larsson | 64 | 272 | 12916 |
Björn Johansson | 62 | 637 | 16030 |
David C. Viano | 48 | 232 | 8283 |
Thomas Schiex | 47 | 138 | 11031 |
Robin Hanson | 28 | 114 | 3519 |
Per Lötstedt | 28 | 109 | 2960 |
Brigitte Mangin | 26 | 48 | 2652 |
Lars Hanson | 19 | 117 | 1138 |
Carl Gustafson | 17 | 34 | 1035 |
Magnus Carlsson | 16 | 37 | 808 |
Per-Johan Nordlund | 14 | 26 | 2738 |
David Allouche | 14 | 26 | 680 |
Mark A. Saab | 13 | 16 | 1153 |
Andreas Gällström | 13 | 34 | 402 |
Hans Hellsten | 12 | 37 | 549 |