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Articles 301 - 304 of 304
Full-Text Articles in Engineering
Great Expectations And Even Greater Exceedances From Spatially Referenced Data, Noel A. Cressie, Thomas F. Suesse
Great Expectations And Even Greater Exceedances From Spatially Referenced Data, Noel A. Cressie, Thomas F. Suesse
Faculty of Engineering and Information Sciences - Papers: Part B
2020 Elsevier B.V. We clear land for agricultural purposes, we draw water from streams and aquifers, and we build houses in coastal regions for their ready access to the sea. Our need for food, water, and shelter is basic, but so is variability in our natural environment. Understanding this is key to the long-term sustainability of the anthropocene. At any location in the environment, long-term temporal averages may indicate regions that exceed sustainability thresholds. For example, environmental thresholds might be used by insurance companies to set the prices of insurance premiums. In this article, we present the problem of spatial-statistical …
Independent Review Of 4dct Scans Used For Sabr Treatment Planning, Rachitha Antony, Peta Lonski, Elena Ungureanu, Nicholas G. Hardcastle, Adam Yeo, Shankar Siva, Tomas Kron
Independent Review Of 4dct Scans Used For Sabr Treatment Planning, Rachitha Antony, Peta Lonski, Elena Ungureanu, Nicholas G. Hardcastle, Adam Yeo, Shankar Siva, Tomas Kron
Faculty of Engineering and Information Sciences - Papers: Part B
2020 The Authors. Journal of Applied Clinical Medical Physics published by Wiley Periodicals, Inc. on behalf of American Association of Physicists in Medicine. Four-dimensional computerized tomography (4DCT) is required for stereotactic ablative body radiotherapy (SABR) of mobile targets to account for tumor motion during treatment planning and delivery. In this study, we report on the impact of an image review quality assurance process performed prior to treatment planning by medical physicists for 4DCT scans used for SABR treatment. Reviews were performed of 211 4DCT scans (193 patients) over a 3-yr period (October 2014 to October 2017). Treatment sites included lung …
A Noise Study Of The Psw Signature Family: Patching Drs With Uniform Distribution, Arnaud Sipasseuth, Thomas Plantard, Willy Susilo
A Noise Study Of The Psw Signature Family: Patching Drs With Uniform Distribution, Arnaud Sipasseuth, Thomas Plantard, Willy Susilo
Faculty of Engineering and Information Sciences - Papers: Part B
At PKC 2008, Plantard et al. published a theoretical framework for a lattice-based signature scheme, namely Plantard-Susilo-Win (PSW). Recently, after ten years, a new signature scheme dubbed the Diagonal Reduction Signature (DRS) scheme was presented in the National Institute of Standards and Technology (NIST) PQC Standardization as a concrete instantiation of the initial work. Unfortunately, the initial submission was challenged by Yu and Ducas using the structure that is present on the secret key noise. In this paper, we are proposing a new method to generate random noise in the DRS scheme to eliminate the aforementioned attack, and all subsequent …
Broken Lines Path Following Algorithm For A Water-Jet Propulsion Usv With Disturbance Uncertainties, Yujiao Zhao, Xin Qi, Atilla Incecik, Yong Ma, Zhixiong Li
Broken Lines Path Following Algorithm For A Water-Jet Propulsion Usv With Disturbance Uncertainties, Yujiao Zhao, Xin Qi, Atilla Incecik, Yong Ma, Zhixiong Li
Faculty of Engineering and Information Sciences - Papers: Part B
2020 Elsevier Ltd To fulfill autonomous navigation of unmanned surface vehicle, it is pivotal to resolve unmanned surface vehicle path following issue. However, the problem that we are concerned with is hindered by unmanned surface vehicle's nonlinearity and the disturbance uncertainties brought by the navigation environment. In this paper, we focus on path following problem for a jet driven underactuated unmanned surface vehicle. The stressed followed paths in practical application are broken lines connected by continuous straight lines rather than smooth lines. By calculating the virtual target on each straight line in following the unmanned surface vehicle dynamically, we propose …