Search Results for author: Arshed Nabeel

Found 5 papers, 3 papers with code

Data-driven discovery of stochastic dynamical equations of collective motion

no code implementations20 Apr 2023 Arshed Nabeel, Vivek Jadhav, Danny Raj M, Clément Sire, Guy Theraulaz, Ramón Escobedo, Srikanth K. Iyer, Vishwesha Guttal

We consider k = 1 (called stochastic pairwise interactions), k = 2 (stochastic ternary interactions), and k equalling all available neighbours within the interaction radius (equivalent to Vicsek-like local averaging).

Discovering mesoscopic descriptions of collective movement with neural stochastic modelling

1 code implementation17 Mar 2023 Utkarsh Pratiush, Arshed Nabeel, Vishwesha Guttal, Prathosh AP

Collective motion is an ubiquitous phenomenon in nature, inspiring engineers, physicists and mathematicians to develop mathematical models and bio-inspired designs.

Discovering stochastic dynamical equations from biological time series data

1 code implementation5 May 2022 Arshed Nabeel, Ashwin Karichannavar, Shuaib Palathingal, Jitesh Jhawar, David B. Brückner, Danny Raj M., Vishwesha Guttal

Stochastic differential equations (SDEs) are an important framework to model dynamics with randomness, as is common in most biological systems.

Time Series Time Series Analysis

Disentangling intrinsic motion from neighbourhood effects in heterogeneous collective motion

1 code implementation12 Oct 2021 Arshed Nabeel, Danny Raj M

Since collective effects such as jamming and clustering affect individual motion, an agent's own movement does not have sufficient information to perform the classification well: a simple observer algorithm, based only on individual velocities cannot accurately estimate the level of heterogeneity of the system, and often misclassifies agents.

Mapping distinct timescales of functional interactions among brain networks

no code implementations NeurIPS 2017 Mali Sundaresan, Arshed Nabeel, Devarajan Sridharan

First, we show, with simulated fMRI data, that instantaneous and lag-based GC identify distinct timescales and complementary patterns of functional connectivity.

Robust classification

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