Publications

Journal Publications

R. Amelard, K. R. Murray, E. T. Hedge, T. W. Cleworth, M. Noguchi, A. C. Laing, and R. L. Hughson, "Assessing postural instability during cerebral hypoperfusion using sub-millimeter monocular 3D sway tracking,” IEEE Transactions on Neural Systems and Rehabilitation Engineering (2019). Submitted (TNSRE-2019-00401). arXiv:1907.05376

R. Amelard, J. H. Lam, B. Hill, A. Durkin, K. Cutler, and B. J. Tromberg, "Monocular 3D Probe Tracking for Generating Sub-Surface Optical Property Maps from Diffuse Optical Spectroscopic Imaging," IEEE Transactions on Biomedical Engineering (2019). Accepted.

K. J. Pfisterer, R. Amelard, A. G. Chung, A. Wong, "A new take on measuring relative nutritional density: The feasibility of using a deep neural network to assess commercially-prepared pureed food concentrations," Journal of Food Engineering, vol. 223, pp. 220-235 (2018).

T. Beltrame, R. Amelard, A. Wong, R. L. Hughson, "Extracting aerobic system dynamics during unsupervised activities of daily living using wearable sensor machine learning models," Journal of Applied Physiology, vol 124, no. 2, pp. 473-481 (2018).

T. Beltrame, R. Amelard, A. Wong, R. L. Hughson, "Prediction of oxygen uptake dynamics by machine learning analysis of wearable sensors during activities of daily living," Scientific Reports, Nature Publishing Group, vol. 7, pp. 45738, 2017.

R. Amelard, R. L. Hughson, D. K. Greaves, K. J. Pfisterer, J. Leung, D. A. Clausi, A. Wong, “Non-contact hemodynamic imaging reveals the jugular venous pulse waveform,” Scientific Reports, Nature Publishing Group, vol. 6, no. 40150, 2017.

R. Amelard, D. A. Clausi, A. Wong, “Spatial probabilistic pulsatility model for enhancing photoplethysmographic imaging systems,” Journal of Biomedical Optics, vol. 21, no. 11, pp. 116010-1–116010-7, 2016.

T. Beltrame, R. Amelard, R. Villar, M. J. Shafiee, A. Wong, R. L. Hughson, “Estimating oxygen uptake and energy expenditure during treadmill walking by neural network analysis of easy-to-obtain inputs,” Journal of Applied Physiology, vol. 121, pp. 1226-1233, 2016.

R. Amelard, D. A. Clausi, A. Wong, “A spectral-spatial fusion model for robust blood pulse waveform extraction in photoplethysmographic imaging,” Biomedical Optics Express, vol. 7, no. 12, pp. 4874-4885, 2016.

R. Amelard, C. Scharfenberger, F. Kazemzadeh, K. J. Pfisterer, B. S. Lin, D. A. Clausi, A. Wong, “Non-contact transmittance photoplethysmographic imaging (PPGI) for long-distance cardiovascular monitoring,” Scientific Reports, Nature Publishing Group, vol. 5, no. 14637, 2015. Altmetric: 160 (top 1% of articles of similar age)

R. Amelard, J. Glaister, A. Wong, D. A. Clausi, “High-level intuitive features (HLIFs) for intuitive skin lesion description,” IEEE Transactions on Biomedical Engineering, vol. 62, no. 3, pp. 820-831, 2015.

J. Glaister, R. Amelard, A. Wong, D. A. Clausi, “MSIM: Multi-stage illumination modeling of dermatological photographs for illumination-corrected skin lesion analysis,” IEEE Transactions on Biomedical Engineering, vol. 60, no. 7, pp. 1873-1883, 2013.

Conference Publications

J. S. Au, R. Amelard, B. Y. Yiu, H. Nahas, R. L. Hughson, and A. C. H. Yu, "A femoral stealing effect:
Presence of collateral retrograde blood flow redistribution in the femoral bifurcation during reactive hyperemia,"
ARTERY19 Scientific Meeting, Hungary, Budapest (2019)

K. J. Pfisterer, R. Amelard, B. Syrnyk, and A. Wong, “Towards computer vision powered color-nutrient assessment of pureed food,” IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Women in Computer Vision Workshop, 2019.

K. Pfisterer, R. Amelard, and A. Wong, “Intuitive data-driven visualization of food relatedness via t-distributed stochastic neighbor embedding,” Conference on Computational Vision and Imaging Systems, 4(1), 2018. Best Poster Award

R. Amelard, K. J. Pfisterer, S. Jagani, D. A. Clausi, and A. Wong, “Non-contact assessment of obstructive sleep apnea cardiovascular biomarkers using photoplethysmography imaging,” Optical Diagnostics and Sensing XVIII: Toward Point-of-Care Diagnostics, 2018.

K. J. Pfisterer, R. Amelard, and A. Wong, “Differential color space analysis for investigating nutrient content in a pureed food dilution-flavor matrix: a step toward objective malnutrition risk assessment,” Optical Diagnostics and Sensing XVIII: Toward Point-of-Care Diagnostics, 2018.

M. Y. Tran, R. Amelard, and A. Wong, “Integrating multispectral hemodynamic imaging for bulk tissue oxygenation analysis,” Conference on Computational Vision and Imaging Systems, 3(1), 2017. Best Imaging Paper Award

R. Amelard, R. L. Hughson, D. A. Clausi, A. Wong, “Non-contact arrhythmia assessment in natural settings: a step toward preventive cardiac care,” Diagnostic and Therapeutic Applications of Light in Cardiology, 2017.

R. Amelard, R. L. Hughson, D. K. Greaves, D. A. Clausi, A. Wong, “Assessing photoplethysmographic imaging performance beyond facial perfusion analysis,” Optical Diagnostics and Sensing XVII, 2017. Student Paper Award

M. Wilson, R. Amelard, D. A. Clausi, A. Wong, “Co-integrating thermal and hemodynamic imaging for physiological monitoring,” Conference on Vision and Imaging Systems, vol.2, no. 1, doi: 10.15353/jcvis.v2i1.111, 2016.

B. Chwyl, R. Amelard, D. Clausi, A. Wong, “A Bayesian multi-scale framework for photoplethysmogram imaging waveform processing,” Conference on Vision and Imaging Systems, vol. 2, no. 1, doi: 10.15353/jcvis.v2i1.114, 2016.

B. Chwyl, Audrey G. Chung, R. Amelard, J. Deglint, D. A. Clausi, A. Wong, “SAPPHIRE: stochastically acquired photoplethysmogram for heart rate inference in realistic environments,” IEEE International Conference on Image Processing, Sep 2016.

B. Chwyl, Audrey G. Chung, R. Amelard, J. Deglint, D. A. Clausi, A. Wong, “Time-frequency domain analysis via pulselets for non-contact heart rate estimation from remotely acquired photoplethysmograms,” 13th Conference on Computer and Robot Vision, Jun 2016.

R. Amelard, D. A. Clausi, A. Wong, “Coded Hemodynamic Imaging for non-contact detection of abnormal blood pulse waveforms,” Imaging Network Toronto, Toronto, Mar 2016.

R. Amelard, D. A. Clausi, A. Wong, “Spectral photoplethysmographic imaging sensor fusion for enhanced heart rate detection,” Multimodal Biomedical Imaging XI, San Francisco, Feb 2016.

R. Amelard, K. J. Pfisterer, D. A. Clausi, A. Wong, “Non-contact hematoma damage and healing assessment using reflectance photoplethysmographic imaging,” Multimodal Biomedical Imaging XI, Feb 2016.

J. Deglint, A. G. Chung, B. Chwyl, R. Amelard, F. Kazemzadeh, X.-Y. Wang, D. A. Clausi, A. Wong, “Photoplethysmographic imaging via spectrally demultiplexed erythema fluctuation analysis for remote heart rate monitoring,” Multimodal Biomedical Imaging XI, San Francisco, Feb 2016.

R. Amelard, J. Leung, D. A. Clausi, A. Wong, “A portable plug-and-play imaging system for physiological monitoring,” Conference on Vision and Imaging Systems, vol. 1, no. 1, doi: 10.15353/vsnl.v1i1.57, 2015.

F. Kazemzadeh, C. Jin, I. Khodadad, R. Amelard, S. Haider, S. Saini, M. Emelko, A. Wong, “Multispectral digital holographic microscopy with applications in water quality assessment,” Proc. SPIE, San Diego, Aug 2015.

D. S. Cho, S. Haider, R. Amelard, A. Wong, D. A. Clausi, “Quantitative features for computer-aided melanoma classification using spatial heterogeneity of eumelanin and pheomelanin concentrations,” IEEE International Symposium on Biomedical Imaging, New York, Apr 2015.

R. Amelard, C. Scharfenberger, A. Wong, D. A. Clausi, “Non-contact assessment of melanin distribution via multispectral temporal illumination coding,” Proc SPIE 9316, San Francisco, Feb 2015.

R. Amelard, C. Scharfenberger, A. Wong, D. A. Clausi, “Illumination-compensated non-contact imaging photoplethysmography via dual-mode temporally-coded illumination,” Proc. SPIE 9316, San Francisco, Feb 2015.

A. Chung, X.-Y. Wang, R. Amelard, C. Scharfenberger, J. Leong, A. Wong, D. A. Clausi, “High-resolution motion-compensated photoplethysmographic imaging for remote heart rate monitoring,” Proc. SPIE, San Francisco, Feb 2015.

D. S. Cho, S. Haider, R. Amelard, A. Wong, D. A. Clausi, “Physiological characterization of skin lesion using non-linear random forest regression model,” 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Chicago, Aug 2014.

S. Haider, D. S. Cho, R. Amelard, A. Wong, D. A. Clausi, “Enhanced classification of malignant melanoma lesions via the integration of physiological features from dermatological photographs,” 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Chicago, Aug 2014.

A. Wong, K. A. Scott, E. Li, R. Amelard, “Continuous sea ice thickness estimation using a joint MODIS and AMSR-E guided variational model,” IEEE International Geoscience and Remote Sensing Symposium, Melbourne, Jul 2013.

R. Amelard, A. Wong, F. Li, D. A. Clausi, “Unsupervised classification of sea-ice and water using synthetic aperture radar via an adaptive texture sparsification transform,” IEEE International Geoscience and Remote Sensing Symposium, Melbourne, Jul 2013.

R. Amelard, A. Wong, D. A. Clausi, “Unsupervised classification of agricultural land cover using polarimetric synthetic aperture radar via a dictionary-based, multi-channel global texture model,” IEEE International Geoscience and Remote Sensing Symposium, Melbourne, Jul 2013.

R. Amelard, A. Wong, D. A. Clausi, “Extracting morphological high-level intuitive features (HLIF) for enhancing skin lesion classification,” 34th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, San Diego, Aug 2012.

R. Amelard, A. Wong, D. A. Clausi, “Extracting high-level intuitive features (HLIF) for classifying skin lesions using standard camera images,” 9th Conference on Computer and Robot Vision, Toronto, pp. 396-403, May 2012.

Patents

R. Amelard, A. Wong, “System and method for spatial cardiovascular monitoring,” U.S. Patent 62/270409, Patent Pending. Also filed as: Canada Patent 2,952,485.

G. Valsan, S. Zarei Mahmoodabadi, R. B. Wagner, D. Priest, R. Amelard, “Multispectral medical imaging devices and methods thereof,” U.S. Patent US20160022181, Jan 28 2016. Also filed as: Europe Patent EP2977003, Japan Patent JP2016030214, China Patent CN105286785, Hong Kong Patent HK1215142.

Books

A. Wong, J. R. Wallace, E. A. Lee, X. Wang, V. Cheung, A. Kumar, R. Amelard, I. Ivkovic, Data Structures and Algorithms in a Nutshell, (University of Waterloo 2015).

Book Chapters

R. Amelard, A. Wong, “Hemodynamic imaging,” in Encyclopedia of Biomedical Engineering, ed. Roger Narayan, Elsevier, (Invited, Submitted).

R. Amelard, J. Glaister, A. Wong, D. A. Clausi, “Melanoma decision support using lighting-corrected intuitive feature models,” Computer Vision Techniques for the Diagnosis of Skin Cancer (Springer 2014).

Theses

R. Amelard, “High-Level Intuitive Features (HLIFs) for Melanoma Detection,” M.A.Sc. thesis, Systems Design Engineering, University of Waterloo, Canada, 2013.

Industry R&D Publications

R. Amelard, “Feasibility assessment of non-invasive heart rate monitoring system for clinical use,” for Hill-Rom, Dec 1 2016.

R. Amelard, “A real-time multispectral melanin compensation algorithm for tissue oxygen imaging,” for Christie Medical Holdings, Apr 2013.

R. Amelard, C. Scharfenberger, A. Wong, D. Clausi, “An Image Processing System for Determining Parcel Dimensions,” for Rogue Specialty Transportation, May 2013.