Search Results - "Delgado Gonzalo, R"

Spline-based framework for interactive segmentation in biomedical imaging by Delgado-Gonzalo, R, Unser, M

“…Abstract Active contours constitute a computationally attractive framework for image segmentation. In this paper, we describe a fully parametric design that…”
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Exponential splines and minimal-support bases for curve representation by Delgado-Gonzalo, R., Thévenaz, P., Unser, M.

“…Our interest is to characterize the spline-like integer-shift-invariant bases capable of reproducing exponential polynomial curves. We prove that any…”
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Digital womens health based on wearables and big data by Stein, P, Falco, L, Kuebler, F, Annaheim, S, Lemkaddem, A, Delgado-Gonzalo, R, Verjus, C, Leeners, B

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Physical activity profiling: Activity-specific step counting and energy expenditure models using 3D wrist acceleration by Delgado-Gonzalo, R., Celka, P., Renevey, Ph, Dasen, S., Sola, J., Bertschi, M., Lemay, M.

“…In this paper, we present the evaluation of a new physical activity profiling system embedded in a wrist-located device. We propose a step counting and an…”
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USER-friendly image-based segmentation and analysis of chromosomes by Uhlmann, V, Delgado-Gonzalo, R., Unser, M., Michel, P. O., Baldi, L., Wurm, F. M.

“…We designed two efficient and user-friendly tools for the segmentation and analysis of images containing chromosomes or, more generally, rod-shaped elements…”
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Real-time gait analysis with accelerometer-based smart shoes by Delgado-Gonzalo, R., Hubbard, J., Renevey, Ph, Lemkaddem, A., Vellinga, Q., Ashby, D., Willardson, J., Bertschi, M.

“…In this paper, we present the evaluation of a new smart shoe capable of performing gait analysis in real time. The system is exclusively based on…”
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Real-time monitoring of swimming performance by Delgado-Gonzalo, R., Lemkaddem, A., Renevey, Ph, Calvo, E. Muntane, Lemay, M., Cox, K., Ashby, D., Willardson, J., Bertschi, M.

“…This article presents the performance results of a novel algorithm for swimming analysis in real-time within a low-power wrist-worn device. The estimated…”
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A family of smooth and interpolatory basis functions for parametric curve and surface representation by Schmitter, D., Delgado-Gonzalo, R., Unser, M.

“…Interpolatory basis functions are helpful to specify parametric curves or surfaces that can be modified by simple user-interaction. Their main advantage is a…”
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Accurate walking and running speed estimation using wrist inertial data by Bertschi, M., Celka, P., Delgado-Gonzalo, R., Lemay, M., Calvo, E. M., Grossenbacher, O., Renevey, Ph

“…In this work, we present an accelerometry-based device for robust running speed estimation integrated into a watch-like device. The estimation is based on…”
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An autonomous medical monitoring system: Validation on arrhythmia detection by Lemkaddem, A., Proenca, M., Delgado-Gonzalo, R., Renevey, Ph, Oei, I., Montano, G., Martinez-Heras, J. A., Donati, A., Bertschi, M., Lemay, M.

“…In this paper, we present a generic platform for autonomous medical monitoring and diagnostics. We validated the platform in the context of arrhythmia…”
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Towards VO2 monitoring: Validation of a heart rate based algorithm by Manzoni, C., Carrard, A., Fontana, E., Lemay, M., Bertschi, M., Delgado-Gonzalo, R.

“…This article presents and validates a novel algorithm for the continuous monitoring of the VO 2 during exercise. The algorithm relies on instantaneous HR…”
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The Ovuscule by Thevenaz, P, Delgado-Gonzalo, R, Unser, M

“…We propose an active contour (a.k.a. snake) that takes the shape of an ellipse. Its evolution is driven by surface terms made of two contributions: the…”
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Snakes With an Ellipse-Reproducing Property by Delgado-Gonzalo, R., Thevenaz, P., Seelamantula, C. S., Unser, M.

“…We present a new class of continuously defined parametric snakes using a special kind of exponential splines as basis functions. We have enforced our bases to…”
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Digital women's health based on wearables and big data – new findings in physiological changes throughout the menstrual cycle by Stein, P, Falco, L, Kuebler, F, Annaheim, S, Verjus, C, Lemkaddem, A, Delgado Gonzalo, R, Leeners, B

“…Abstract only…”
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Fast parametric snakes for 3D microscopy by Delgado-Gonzalo, R., Chenouard, N., Unser, M.

“…We present a new fast active contour for images in 3D microscopy. We introduce a fully parametric design that relies on exponential B-spline bases and allows…”
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A new hybrid Bayesian-variational particle filter with application to mitotic cell tracking by Delgado-Gonzalo, R, Chenouard, N, Unser, M

“…Tracking algorithms are traditionally based on either a variational approach or a Bayesian one. In the variational case, a cost function is established between…”
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Variational enhancement and denoising of flow field images by Tafti, P D, Delgado-Gonzalo, R, Stalder, A F, Unser, M

“…In this work we propose a variational reconstruction algorithm for enhancement and denoising of flow fields that is reminiscent of total-variation (TV)…”
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Towards VO 2 monitoring: Validation of a heart rate based algorithm by Manzoni, C, Carrard, A, Fontana, E, Lemay, M, Bertschi, M, Delgado-Gonzalo, R

“…This article presents and validates a novel algorithm for the continuous monitoring of the VO during exercise. The algorithm relies on instantaneous HR…”
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Fractional Laplacian pyramids by Delgado-Gonzalo, R., Tafti, P.D., Unser, M.

“…We provide an extension of the L 2 -spline pyramid (Unser et al., 1993) using polyharmonic splines. We analytically prove that the corresponding error pyramid…”
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Multi-modal driver drowsiness detection: A feasibility study by Lemkaddem, A., Delgado-Gonzalo, R., Turetken, E., Dasen, S., Moser, V., Gressum, C., Sola, J., Ferrario, D., Verjus, C.

“…Driver drowsiness is a significant contributing factor to road accidents and can lead to severe physical injuries, deaths, and significant economic losses…”
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