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Possibilistic Clustering Enabled Neuro Fuzzy Logic
Blake Ruprecht;Wenlong Wu;Muhammad Aminul Islam;Derek Anderson;James Keller;Grant Scott;Curt Davis;Fred Petry;Paul Elmore;Kristen Nock;Elizabeth Gilmour
2020 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE)
Year: 2020 | Conference Paper |
Cited by: Papers (3)
Artificial neural networks are a dominant force in our modern era of data-driven artificial intelligence. The adaptive neuro fuzzy inference system (ANFIS) is a neural network based on fuzzy logic versus a more traditional premise like convolution. Advantages of ANFIS include the ability to encode and potentially understand machine learned neural information in the pursuit of explainable, interpre...Show More
Transfer Learning for the Choquet Integral
Bryce Murray;Muhammad Aminul Islam;Anthony Pinar;Derek T. Anderson;Grant Scott;Timothy C. Havens;Fred Petry;Paul Elmore
2019 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE)
Year: 2019 | Conference Paper |
Cited by: Papers (1)
The Choquet integral (ChI) is a proven tool for information aggregation. In prior work, we showed that learning a ChI from data results in missing variables. Herein, we explore two ways to transfer a known ChI from a source domain to a new under sampled target domain. The first method is based on regularization and it listens to the full source domain ChI. The second method optimizes what we can o...Show More
Dempster–Shafer Approach to Temporal Uncertainty
A novel approach to the modeling of uncertainty in temporal information is developed by the use of Dempster-Shafer (D-S) theory. Temporal uncertain events are first represented by the use of nested intervals, using an inner more certain interval and the outer less certain interval with associated D-S mass values for each interval. The concept of the elapsed time between temporal events is defined,...Show More
The fuzzy integral for missing data
Muhammad Aminul Islam;Derek T. Anderson;Fred Petry;Denson Smith;Paul Elmore
2017 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE)
Year: 2017 | Conference Paper |
Cited by: Papers (5)
Numerous applications in engineering are plagued by incomplete data. The subject explored in this article is how to extend the fuzzy integral (FI), a parametric nonlinear aggregation function, to missing data. We show there is no universally correct solution. Depending on context, different types of uncertainty are present and assumptions are applicable. Two major approaches exist, use just observ...Show More
Binary fuzzy measures and Choquet integration for multi-source fusion
Derek T. Anderson;Muhammad Aminul Islam;Roger King;Nicolas H. Younan;Joshua R. Fairley;Stacy Howington;Frederick Petry;Paul Elmore;Alina Zare
2017 International Conference on Military Technologies (ICMT)
Year: 2017 | Conference Paper |
Cited by: Papers (10)
Countless challenges in engineering require the intelligent combining (aka fusion) of data or information from multiple sources. The Choquet integral (ChI), a parametric aggregation function, is a well-known tool for multi-source fusion, where source refers to sensors, humans and/or algorithms. In particular, a selling point of the ChI is its ability to model and subsequently exploit rich interact...Show More
Geospatial Modeling Using Dempster–Shafer Theory
IEEE Transactions on Cybernetics
Cited by: Papers (14)
Uncertainty in spatial geometrical issues is represented using Dempster-Shafer (D-S) theory. Interval approaches are used for D-S uncertainty of spatial locations and the associated arithmetic operations on such intervals described. Categories of uncertainty for points and lines are defined using interval formulations. Based on these, approaches for calculation of geometric areas, line length and ...Show More
Uncertainty estimation of historical bathymetric data from Bayesian networks
Paul A. Elmore;David H. Fabre;Raymond T. Sawyer;R. Wade Ladner
OCEANS 2009
Year: 2009 | Conference Paper |
We have developed a Bayesian network to aid estimation of uncertainty for gridded bathymetry data sets in the Digital Bathymetrie Data Base - Variable Resolution, maintained at the Naval Oceanographie Office. These estimates did not previously exist and are now needed so that these data can be stored in the Bathymetrie Attributed Grid files, which require both bathymetry and uncertainty. Monte Car...Show More
Wave-induced scour burial experiments in carbonate sediments near Oahu, Hawaii
Michael D. Richardson;Edward F. Braithwaite;Paul A. Elmore;John Bradley;Roy H. Wilkens
OCEANS 2009
Year: 2009 | Conference Paper |
Wave-induced scour burial experiments were conducted at two shallow-water sites along the southern coast of Oahu, Hawaii. Sediments at both sites were moderately well-sorted, fine carbonate sand. Instrumented cylinders were deployed at the Kilo-Nalu coastal observatory during the summer-fall of 2007 and in the Halekulani Sand Channel off Waikiki Beach during the summer of 2008. Water depth at both...Show More
Environmental Measurements Derived from Tactical Mine-Hunting Sonar Data
Paul A. Elmore;Will E. Avera;Michael M. Harris;Kevin M. Duvieilh
Confidence in naval operations that search for mine-like objects (mine-hunting) is dependent on knowledge of the operational environment. Historic information in some areas may misrepresent the environmental picture due to sparse measurement or data perishability. As a result, operations in some areas may require real-time environmental measurements to refresh the data sources. This information ca...Show More
Predicting Seabed Burial of Cylinders by Wave-Induced Scour: Application to the Sandy Inner Shelf Off Florida and Massachusetts
Arthur C. Trembanis;Carl T. Friedrichs;Michael D. Richardson;Peter Traykovski;Peter A. Howd;Paul A. Elmore;Thomas F. Wever
A simple parameterized model for wave-induced burial of mine-like cylinders as a function of grain-size, time-varying, wave orbital velocity and mine diameter was implemented and assessed against results from inert instrumented mines placed off the Indian Rocks Beach (IRB, FL), and off the Martha's vineyard coastal observatory (MVCO, Edgartown, MA). The steady flow scour parameters provided by Whi...Show More
Exercising a Deterministic Mine Burial Prediction System for Impact and Scour Burial Using Operational Data Sets
This paper presents results and analysis from exercising an aquatic mine burial prediction (MBP) system based on deterministic models to simulate impact and scour burial experiments using operational or operational-like inputs. Based on nonparametric hypothesis testing of simulation results with empirical data, the statistics generated from simulations of impact burial appear to provide useful pre...Show More
Measured and Predicted Burial of Cylinders During the Indian Rocks Beach Experiment
Grant R. Bower;Michael D. Richardson;Kevin B. Briggs;Paul A. Elmore;Edward F. Braithwaite;John Bradley;Sean Griffin;Thomas F. Wever;Ralf Luhder
Burial of instrumented mine-like cylinders as a result of wave-induced scour was measured during experiments conducted in shallow water (15-16 m) with fine-sand (133-mum) and coarse-sand (566-mum) sediments off Indian rocks beach (IRB), FL. scour pits developed around the instrumented cylinders in the fine-sand site when significant waveheights exceeded 2 m, causing the cylinders to pitch, then ro...Show More
Adaptation and improvement of ASW tactical decision aid design to mine warfare tactical decision aid
R. Keiffer;K.B. Briggs;J. Novarini;P.A. Elmore;M.D. Richardson;C.S. Kennedy;G.R. Bower;P.J. Valent
Oceans 2003. Celebrating the Past ... Teaming Toward the Future (IEEE Cat. No.03CH37492)
Year: 2003 | Conference Paper |
Summary form only given. In this presentation, the adaptation of a tactical decision aid (TDA) designed for Anti Submarine Warfare (ASW) to one used for Mine Warfare is discussed. Previous work at the Naval Research Laboratory established a TDA, namely GRASP for the ASW role. Recently at NRL work has been done to extend the TDA model to Mine Warfare. Specifically this presentation examines search ...Show More
Mine burial by scour: preliminary results from the Gulf of Mexico
M.D. Richardson;G.R. Bower;K.B. Briggs;P.A. Elmore;C.S. Kennedy;P.J. Valent;D.F. Naar;S.D. Locker;P. Howd;A.C. Hine;B.T. Donahue;J. Brodersen;T.F. Wever;R. Luehder;C.T. Friedrichs;A.C. Trembanis;S. Griffin;J. Bradley;R.H. Wilkins
Oceans 2003. Celebrating the Past ... Teaming Toward the Future (IEEE Cat. No.03CH37492)
Year: 2003 | Conference Paper |
Cited by: Papers (1)
Mine burial experiments were conducted on fine and coarse sandy sediments, in 13 to 15-m water depths, 15 km off Indian Rocks Beach, West-Central Florida. Experimental sites were chosen based on extensive acoustic (side scan, chirp and multibeam) surveys and sediment samples collected by USF. Four acoustic (NRL and OMNI Technologies) and six optical (FWG) cylindrical mines were deployed during Jan...Show More
Assessing scour model performance with experimental data
Oceans 2003. Celebrating the Past ... Teaming Toward the Future (IEEE Cat. No.03CH37492)
Year: 2003 | Conference Paper |
Cited by: Papers (1)
Equations by Soulsby and Whitehouse have been applied to predicting mine burial by scour in tidal estuaries. The main equation, which has the functional form of [1-exp(-t/T)], computes the depth of the scour pit with time under steady state conditions. This theory may be applied to changing conditions by using the RMS values of the frictional stress at the bed and assuming a quasi-steady state of ...Show More
Higher order corrections to an iterative approach for approximating bubble distributions from attenuation measurements
A formal theory exists for determining sound attenuation from a known distribution of bubble sizes in the ocean; however, an integral equation must be inverted if attenuation is given and the distribution of bubbles is not. An approximate distribution can be determined based on the resonant bubble approximation (RBA). An iterative approach, for which the RBA represents the zeroth iteration, was pr...Show More
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