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Conferences

185th Meeting of the Acoustical Society of America, Sydney, Australia

C. E. Dobbs and T. B. Neilsen, “Deep learning and beamforming comparison of source ranging in a laboratory tank,” 185th Meeting of the Acoustical Society of America joint with the Australian Acoustical Society; Sydney, Australia (Dec 2023).

J. C. Spendlove, M. K. Transtrum, T. B. Neilsen, “Learning a surrogate Pekeris waveguide model,” 185th Meeting of the Acoustical Society of America joint with the Australian Acoustical Society; Sydney, Australia (Dec 2023).

J. R. Nuttall, T. B. Neilsen, M. K. Transtrum, D. P. Knobles, W. S. Hodgkiss, “Options for temperature selection in maximum entropy approach to obtaining source levels and seabed porosity”, 185th Meeting of the Acoustical Society of America joint with the Australian Acoustical Society; Sydney, Australia (Dec 2023).

Underwater Acoustics Conference and Exhibitions, Kalamata, Greece

T. B. Neilsen, J. C. Spendlove, M. K. Transtrum, “Seabed separation using the model manifold of absolute and relative transmission loss,” Underwater Acoustics Conference and Exhibitions, Kalamata, Greece, June 2023 (Invited Presentation).

OCEANS 2023 Conference, Limerick, Ireland

July 28, 2023 01:27 PM
Ireland Coast
T. B. Neilsen et al. “Comparison of seabed classification using unsupervised and supervised learning on ship noise spectrograms,” OCEANS 2023 conference, Limerick, Ireland, June 2023 (Presentation).

184th Meeting of the Acoustical Society of America, Chicago, IL

T. B. Neilsen, M. C. Mortenson†, A. Schemel, D. P. Knobles, W. S. Hodgkiss, “Estimating seabed properties with a residual convolutional network,”184th Meeting of the Acoustical Society of America, Chicago, IL, May 2023 (Invited Presentation).

A. M. Hopps and T. B. Neilsen, “Introducing Sound Speed Variability in Laboratory Water Tank,” 184th Meeting of the Acoustical Society of America, Chicago, IL, May 2023 (Invited Presentation).

J. Nuttall, T. B. Neilsen, D. P. Knobles, W. S. Hodgkiss, “Maximum entropy approach for sediment porosity and source strength of transiting ships,” 184th Meeting of the Acoustical Society of America, Chicago, IL, May 2023 (Invited Presentation).

C. E. Dobbs and T. B. Neilsen, “Learning source-receiver range in a laboratory tank with variable water temperature,” 184th Meeting of the Acoustical Society of America, Chicago, IL, May 2023 (Invited Presentation).

W-K Chen and T. B. Neilsen, “Can unsupervised machine learning help us understand the data collected in the ocean?” 184th Meeting of the Acoustical Society of America, Chicago, IL, May 2023 (Invited Presentation).

G. E. Lau, T.B. Neilsen, and D. P. Knobles, “Seabed Classification with ResNet-18 Using Multi-Channel Ship Noise Spectrograms,” 184th Meeting of the Acoustical Society of America, Chicago, IL, May 2023 (Invited Presentation).

S. P. Hollingsworth and T. B. Neilsen, “Using Bayesian Optimization to Refine Laboratory Tank Sound Propagation Modeling,” 184th Meeting of the Acoustical Society of America, Chicago, IL, May 2023 (Invited Presentation).

J. C. Spendlove, M. K. Transtrum, T. B. Neilsen, “Machine learning a surrogate model for transmission loss on a Pekeris waveguide,” 184th Meeting of the Acoustical Society of America, Chicago, IL, May 2023 (Invited Presentation).

M. C. Mortenson, T. B. Neilsen, M. K. Transtrum, and D. P. Knobles. "Learning both a value and uncertainty label for seabed parameters from ship noise data." 184th Meeting of the Acoustical Society of America, Denver, CO, May
2023 (Presentation).

Seabed Characterization Workshop, Scripps Institute of Oceanography

C. E. Dobbs, T. B. Neilsen, “Unsupervised clustering of ship-of-opportunity spectrograms,” Seabed Characterization Workshop, Scripps Institute of Oceanography, Feb 2023.

J. Nuttall, T. B. Neilsen, “Maximum Entropy Approach for Sediment Porosity and Thickness,”Seabed Characterization Workshop, Scripps Institute of Oceanography, Feb 2023.

Conference for Undergraduate Women in Physics, University of California Santa Cruz

A. Hopps, T. B. Neilsen, “" Conference for Undergraduate Women in Physics,University of California–Santa Cruz, Jan 2023

183rd Meeting of the Acoustical Society of America, Nashville, TN

T. B. Neilsen, M. C. Mortenson, J. R. Nuttall, S. M. Amos, M. K. Transtrum, D. P. Knobles, and W. S.
Hodgkiss. "Comparison of maximum entropy and ResNet-18 inferences of sediment sound speed using surface ship noise." 183rd Meeting of the Acoustical Society of American, Nashville, TN, Dec. 2022 (Invited Presentation).

International Conference on Underwater Acoustics, Southampton, England

T. B. Neilsen, M. C. Mortenson, D. P. Knobles, “Approaches for determining acoustically distinct seabed classes for deep learning classification,” International Conference on Underwater Acoustics, Southampton, England, June 2022 (Invited Presentation).

S. M. Amos, D. B. Mortenson, T. B. Neilsen, D. P. Knobles, and W. S. Hodgkiss, “Determining optimal total time and frequency band of ship spectrograms for seabed classification,” International Conference on Underwater Acoustics, Southampton, England, June 2022 (Presentation).

Office of Naval Research, Bottom Loss Innovation Forum

T. B. Neilsen, M. C. Mortenson, M. K. Trastrum, D. P. Knobles, “Fisher-information guided machine learning for influential seabed properties,” Office of Naval Research, Bottom Loss Innovation Forum, Jan 2022 (Invited Presentation).

181st Meeting of the Acoustical Society of America, Seattle, WA

C. T. Vongsawad, T. B. Neilsen, K. N. Terry, S. P. Hollingsworth, C. E. Dobbs, and G. H. Fronk, “Creating a mentored research environment in an underwater acoustics lab,” 181st Meeting of the Acoustical Society of America, Seattle, WA, Dec 2021 (Invited Presentation).

C. T. Vongsawad and T. B. Neilsen, “Finite impedance boundary conditions determined in situ for modeling underwater acoustical measurement in laboratory tanks,” 181st Meeting of the Acoustical Society of America, Seattle, WA,
Dec 2021 (Presentation).

K. N.Terry, C. T. Vongsawad and T. B. Neilsen, “Mode-based models with realistic boundary conditions for a laboratory tank,” 181st Meeting of the Acoustical Society of America, Seattle, WA,
Dec 2021 (Presentation).


M. C. Mortenson, T. B. Neilsen, M. K. Transtrum, and D. P. Knobles, “Fisher information and Cramér-Rao bound analysis with stable gradients for ocean acoustic models,” 181st Meeting of the Acoustical Society of America, Seattle, WA, Dec 2021 (Presentation).

M. C. Acree, T. B. Neilsen, and D. P. Knobles, “Applications of semi-supervised learning methods in underwater acoustics,” 181st Meeting of the Acoustical Society of America, Seattle, WA, Dec 2021 (Presentation).

C. E. Dobbs, G. H. Fronk, T. B. Neilsen, and C. T. Vongsawad, “Underwater acoustic intensity
characterization of anechoic panels in a laboratory tank,” 181st Meeting of the Acoustical Society of America, Seattle, WA, Dec 2021 (Presentation).

S. P. Hollingsworth, C. T. Vongsawad, and T. B. Neilsen, “Evaluating applicability of an azimuthally symmetric model in a laboratory tank with absorptive panels,” 181st Meeting of the Acoustical Society of America, Seattle, WA, Dec 2021 (Presentation).

B. Wu, and T. B. Neilsen, “Identifying the optimal k-mean clustering for ship noise spectrograms,” 181st Meeting of the Acoustical Society of America, Seattle, WA, Dec 2021 (Presentation).

180th Meeting of the Acoustical Society of America, Virtual

July 27, 2023 02:01 PM
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C. D. Escobar-Amand, M. Baidey, T. B. Neilsen, J. A. Castro-Correa, D. P Knobles, “Seabed classification from ship-radiated noise using an ensemble deep learning,” 180th Meeting of the Acoustical Society of America, June 2021 (Presentation).

J. A. Castro-Correa, M. Baidey, T. B. Neilsen, D. P Knobles, “Incidence of data augmentation in machine learning using broadband spectrograms,” 180th Meeting of the Acoustical Society of America, June 2021 (Presentation).

A. N. Earnhardt, T. B. Neilsen, M. C. Acree, W. Hodgkiss, D. P. Knobles, “Sound Classification during Seabed Classification Experiment 2017,” 180th Meeting of the Acoustical Society of America, June 2021 (Presentation).

M. A. Acree, T. B. Neilsen, D. P. Knobles, “Semi-supervised deep learning of source location and seabed class from unlabeled merchant ships in the shallow ocean,” 180th Meeting of the Acoustical Society of America, June 2021 (Presentation).

Office of Naval Research, Bottom Loss Innovation Forum

T. B. Neilsen et al., “Seabed classification from merchant ship-radiated noise using physics-based ensemble deep learning,” Office of Naval Research, Bottom Loss Innovation Forum, March 2021 (Invited Presentation).

D. Mortenson, T. B. Neilsen, D. P. Knobles, “Finding Optimal Spectrogram Size for CNN Seabed Classification,” Poster for the Naval Applications of Machine Learning Conference held by NIWC, San Diego, Virtual, March 2021 (Poster).

179th Meeting of the Acoustical Society of America, Virtual

July 27, 2023 02:01 PM
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T. B. Neilsen, C. Escobar, M.C Acree, W. Hodgkiss, David F. Van Komen, D. P. Knobles, M. Badiey, J. A. Castro-Correa, “Effects of environmental uncertainty on source localization from mid-frequency tonals using a convolutional neural network,” 179th Meeting of the Acoustical Society of America, Dec 2020 (Invited Presentation).

T. B. Neilsen, C. T. Vongsawad, S. G. Onwubiko, “Teaching musical acoustics with simple models and active learning,” 179th Meeting of the Acoustical Society of America, Dec. 2020 (Invited Presentation).

C. T. Vongsawad, A. B. Vaughn, C. Wallace, T. B. Neilsen, B. E. Anderson, K. L. Gee, “Acoustics outreach demonstration show: Sounds to Astound,” 179th Meeting of the Acoustical Society of America, Dec. 2020 (Invited Presentation).

D. F. Van Komen, T. B. Neilsen, K. Howarth, D. P. Knobles, “Differences in regression, classification, and multi-task deep learning on pressure time series for range and seabed type,” 179th Meeting of the Acoustical Society of America, Dec. 2020 (Presentation).

D. J. Forman, T. B. Neilsen, D. F. Van Komen, “A classification approach to the characterization of seabed geoacoustic profiles via deep learning,” 179th Meeting of the Acoustical Society of America, Dec 2020 (Presentation).

Naval Application of Machine Learning Workshop

D. F. Van Komen, T. B. Neilsen, K. Howarth, D. P. Knobles, P. Dahl, “Pressure time series for CNN
prediction of source location and seabed type,” Naval Application of Machine Learning Workshop, Feb 2020 (Presentation).

M. C. Acree, C. Escobar, T. B. Neilsen, D. P. Knobles, W. Hodgkiss, D. Van Komen, M. Badiey,
“Convolution Neural Networks for Source Localization and Seabed Classification using tones on a VLA,” Naval Application of Machine Learning Workshop, Feb 2020 (Presentation).

M. C. Acree, C. Escobar, T. B. Neilsen, D. P. Knobles, W. S. Hodgkiss, D. F. Van Komen, J. Castro, M. Badiey, G. Arce, “Exploration of convolution neural networks for source localization and seabed classification
using tones on a VLA,” Naval Application of Machine Learning Workshop, Feb 2020 (Poster).

178th Meeting of the Acoustical Society of America, San Diego, CA

D. F. Van Komen, T. B. Neilsen, D. P. Knobles, P. H. Dahl, and D. R. Dall'Osto, “A convolutional neural
network applied to measured time series for source range and ocean seabed classification,” 178th Meeting of the Acoustical Society of America, San Diego, CA, Dec 2019 (Presentation).

M. C. Acree, D. F. Van Komen, T. B. Neilsen, and D. P. Knobles. "A deep learning approach to source localization and seabed classification using pressure time-series from a vertical array," 178th Meeting of the Acoustical Society of America, San Diego, CA, Dec 2019 (Presentation).

K. Howarth, D. F. Van Komen, T. B. Neilsen, D. P. Knobles, P. H. Dahl, and D. R. Dall'Osto. "Effect of signal to noise ratio on a convolutional neural network for source ranging and environmental classification." 178th Meeting of the Acoustical Society of America, San Diego, CA, Dec 2019 (Presentation).

M. G. Smith, T. B. Neilsen, J. A. Escobedo, and S. A. Ostergaard. "Ground-based exploding balloon noise propagating over a grass-covered field," 178th Meeting of the Acoustical Society of America, San Diego, CA, Dec 2019 (Presentation).

S. A. Ostergaard, T. Neilsen, and J. A. Escobedo, "Directionality of ground-based exploding balloons," 178th Meeting of the Acoustical Society of America, San Diego, CA, Dec 2019 (Presentation).

S. G. Onwubiko and T. B. Neilsen. "Spectral analyses of the Ikoro drum." 178th Meeting of the Acoustical Society of America, San Diego, CA, Dec 2019 (Presentation).

Research Experience for Undergraduates Symposium, Washington, DC

M. C. Acree, D. F. Van Komen, T. B. Neilsen, D. P. Knobles. A Deep Learning Approach to Source
Localization and Seabed Classification using Pressure Time-Series from a Vertical Array. Research Experience for Undergraduates Symposium, Washington, DC, Oct 2019 (Poster).

177th Meeting of the Acoustical Society of America, Louisville, Kentucky

D. F. Van Komen, T. B. Neilsen, D. P. Knobles, and M. Baidey, “A waveform-based convolutional neural net for source range and ocean environment classification,” 177th Meeting of the Acoustical Society of America, Louisville, KY, May 2019 (Presentation).

M. B. Allen, D. F. Van Komen, T. B. Neilsen, M. K. Transtrum, and D. P. Knobles, “Investigating parameter importance for different ocean environments using Fisher information,” 177th Meeting of the Acoustical Society of America, Louisville, KY, May 2019 (Presentation).

D. F. Van Komen, D. P. Knobles, T. B. Neilsen, and M. Baidey, “A FNN for source range and ocean
environment classification using time-domain features,” 177th Meeting of the Acoustical Society of America, Louisville, KY, May 2019 (Presentation).

176th Meeting of the Acoustical Society of America, Victoria, BC

T. B. Neilsen, M. K. Transtrum, D. F. Van Komen, and D. P. Knobles, “Optimal experimental design for machine learning using the Fisher information matrix,” 176th Meeting of hte Acoustical Society of America, Victoria, BC, Nov 2018 (Presentation).

175th Meeting of the Acoustical Society of America, Minneapolis, MN

G. H. Fronk and T. B. Neilsen. "Modeling sound propagation in the Great Salt Lake," 175th Meeting of the Acoustical Society of America, Minneapolis, MN, May 2018 (Poster).

S. Herron, T. B. Neilsen, D. F. Van Komen, D. P. Knobles, P. M. Dahl, D. Dall-Osto, "Support vector machine for underwater acoustic signal range and environment classification," 175th Meeting of the Acoustical Society of America, Minneapolis, MN, May 2018 (Poster).