Search Results for author: Robert Azencott

Found 7 papers, 1 papers with code

Rare Events Analysis and Computation for Stochastic Evolution of Bacterial Populations

no code implementations27 Aug 2023 Yingxue Su, Brett Geiger, Ilya Timofeyev, Andreas Mang, Robert Azencott

In this paper, we develop a computational approach for computing most likely trajectories describing rare events that correspond to the emergence of non-dominant genotypes.

Automatic classification of deformable shapes

no code implementations4 Nov 2022 Hossein Dabirian, Radmir Sultamuratov, James Herring, Carlos El Tallawi, William Zoghbi, Andreas Mang, Robert Azencott

Let $\mathcal{D}$ be a dataset of smooth 3D-surfaces, partitioned into disjoint classes $\mathit{CL}_j$, $j= 1, \ldots, k$.

Classification Descriptive

Stochastic Neural Networks for Automatic Cell Tracking in Microscopy Image Sequences of Bacterial Colonies

1 code implementation27 Apr 2021 Sorena Sarmadi, James J. Winkle, Razan N. Alnahhas, Matthew R. Bennett, Krešimir Josić, Andreas Mang, Robert Azencott

Our initial tests using experimental image sequences (i. e., real data) of E. coli colonies also yield convincing results, with a registration accuracy ranging from 90% to 100%.

Cell Tracking

Predicting intraday jumps in stock prices using liquidity measures and technical indicators

no code implementations16 Dec 2019 Ao Kong, Hongliang Zhu, Robert Azencott

The result provides initial evidence of the predictability of jump arrivals and jump directions using level-2 stock data as well as the effectiveness of using a combination of liquidity measures and technical indicators in this prediction.

BIG-bench Machine Learning

Realized volatility and parametric estimation of Heston SDEs

no code implementations14 Jun 2017 Robert Azencott, Peng Ren, Ilya Timofeyev

We present a detailed analysis of \emph{observable} moments based parameter estimators for the Heston SDEs jointly driving the rate of returns $R_t$ and the squared volatilities $V_t$.

Markov Random Fields and Mass Spectra Discrimination

no code implementations13 Oct 2014 Ao Kong, Robert Azencott

We also outline the successful tests of our approach to generate efficient explicit signatures for six benchmark discrimination tasks, based on mass spectra acquired from colorectal cancer patients, as well as from ovarian cancer patients.

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