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- Rachid Deriche, Jeff Calder, Maxime Descoteaux
- Medical Image Analysis
- 2009

Diffusion MRI has become an established research tool for the investigation of tissue structure and orientation. Since its inception, Diffusion MRI has expanded considerably to include a number ofâ€¦ (More)

- Jeff Calder, Abdol-Reza Mansouri, Anthony J. Yezzi
- SIAM J. Imaging Sciences
- 2010

Motivated by some recent work in active contour applications, we study the use of Sobolev gradients for PDE-based image diffusion and sharpening. We begin by studying, for the case of isotropicâ€¦ (More)

- Ko-Jen Hsiao, Jeff Calder, Alfred O. Hero
- IEEE Transactions on Image Processing
- 2015

Most content-based image retrieval systems consider either one single query, or multiple queries that include the same object or represent the same semantic information. In this paper, we considerâ€¦ (More)

- Jeff Calder, Amir M. Tahmasebi, Abdol-Reza Mansouri
- Medical Imaging: Image Processing
- 2011

We present a variational approach for segmenting bone structures in Computed Tomography (CT) images. We introduce a novel functional on the space of image segmentations, and subsequently minimizeâ€¦ (More)

- Jamie Benedict, William D Evans, Jeff Calder
- Journal of drug education
- 1999

This study examined drug use and eating behaviors among adolescents. The data were collected by phone interviews from 401 northern Nevadan students in grades seven to twelve. Students were dividedâ€¦ (More)

- Jeff Calder, Selim Esedoglu, Alfred O. Hero
- SIAM J. Numerical Analysis
- 2015

Non-dominated sorting is a fundamental combinatorial problem in multiobjective optimization, and is equivalent to the longest chain problem in combinatorics and random growth models for crystals inâ€¦ (More)

- Jeff Calder, Selim Esedoglu, Alfred O. Hero
- SIAM J. Math. Analysis
- 2014

We show that non-dominated sorting of a sequence X1, . . . ,Xn of i.i.d. random variables in R d has a continuum limit that corresponds to solving a Hamilton-Jacobi equation involving the probabilityâ€¦ (More)

- Jeff Calder, Abdol-Reza Mansouri
- SIAM J. Math. Analysis
- 2011

We study well-posed perturbations of formally ill-posed diffusion equations which are used in image processing, such as the Peronaâ€“Malik equation. Our perturbation technique is to consider theâ€¦ (More)

- Ko-Jen Hsiao, Kevin S. Xu, Jeff Calder, Alfred O. Hero
- IEEE Transactions on Neural Networks and Learningâ€¦
- 2016

We consider the problem of identifying patterns in a data set that exhibits anomalous behavior, often referred to as anomaly detection. Similarity-based anomaly detection algorithms detect abnormallyâ€¦ (More)

- Jeff Calder
- 2014

We prove that a directed last passage percolation model with discontinuous macroscopic (non-random) inhomogeneities has a continuum limit that corresponds to solving a Hamilton-Jacobi equation in theâ€¦ (More)