Aurelien Bourquard
Massachusetts Institute of Technology
35 Papers
148 Citations
Aurelien Bourquard is an academic researcher from Massachusetts Institute of Technology. The author has contributed to research in topics: Interpolation & Image restoration. The author has an hindex of 11, co-authored 31 publications. Previous affiliations of Aurelien Bourquard include École Normale Supérieure & Technical University of Madrid.
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Papers
Optical imaging using binary sensors.
TL;DR: This paper addresses the problem of reconstructing an image from 1-bit-quantized measurements, considering a simple but nonconventional optical acquisition model, and demonstrates the feasibility of the whole approach for reconstructing grayscale images.
Anisotropic Interpolation of Sparse Generalized Image Samples
Aurelien Bourquard,Michael Unser +1 more
TL;DR: This paper develops an efficient anisotropic regularization approach that is based on an improved version of the edge-enhancing anisotrop diffusion equation, and solves the corresponding sequence of linear problems by using multigrid iterations that are specifically tailored to their sparse structure.
Hessian-based regularization for 3-D microscopy image restoration
Stamatios Lefkimmiatis,Aurelien Bourquard,Michael Unser +2 more
- 02 May 2012
TL;DR: This work investigates a non quadratic regularizer that is based on the Hessian operator for dealing with the restoration of 3-D images in a variational framework and shows that the regularizer under study is a valid extension of the total-variation (TV) functional.
A second-order extension of TV regularization for image deblurring
Zafer Dogan,Stamatios Lefkimmiatis,Aurelien Bourquard,Michael Unser +3 more
- 29 Dec 2011
TL;DR: A novel second-order regularizer based on the maximum response of the second- order directional derivative, assuming that the image under consideration belongs to the class of piecewise-linear signals is proposed.
Automated detection of neutropenia using noninvasive video microscopy of superficial capillaries.
Alberto Pablo-Trinidad,Ian Butterworth,Maria J. Ledesma-Carbayo,Tom Vettenburg,Álvaro Sánchez-Ferro,Luis R. Soenksen,Nicholas J. Durr,Arrate Muñoz-Barrutia,Carolina Cerrato,Karem Humala,Marta Fabra Urdiol,Candice Del Rio,Betsy Valles,Yi Bin Chen,Ephraim P. Hochberg,Carlos Castro-Gonzalez,Carlos Castro-Gonzalez,Aurelien Bourquard,Aurelien Bourquard +18 more
TL;DR: This research highlights the need to understand more fully the role of “cell reprograming” in the development of cancerous “spatially masked” cells.