Search Results for author: Saibal Mukhopadhyay

Found 36 papers, 5 papers with code

Towards Robust Real-Time Hardware-based Mobile Malware Detection using Multiple Instance Learning Formulation

no code implementations19 Apr 2024 Harshit Kumar, Sudarshan Sharma, Biswadeep Chakraborty, Saibal Mukhopadhyay

This study introduces RT-HMD, a Hardware-based Malware Detector (HMD) for mobile devices, that refines malware representation in segmented time-series through a Multiple Instance Learning (MIL) approach.

Malware Detection Multiple Instance Learning +1

Learning Locally Interacting Discrete Dynamical Systems: Towards Data-Efficient and Scalable Prediction

no code implementations9 Apr 2024 Beomseok Kang, Harshit Kumar, Minah Lee, Biswadeep Chakraborty, Saibal Mukhopadhyay

Locally interacting dynamical systems, such as epidemic spread, rumor propagation through crowd, and forest fire, exhibit complex global dynamics originated from local, relatively simple, and often stochastic interactions between dynamic elements.

Topological Representations of Heterogeneous Learning Dynamics of Recurrent Spiking Neural Networks

no code implementations19 Mar 2024 Biswadeep Chakraborty, Saibal Mukhopadhyay

Recent work by \cite{barannikov2021representation} has introduced a novel method to compare topological mappings of learned representations called Representation Topology Divergence (RTD).

Studying the Impact of Stochasticity on the Evaluation of Deep Neural Networks for Forest-Fire Prediction

no code implementations23 Feb 2024 Harshit Kumar, Biswadeep Chakraborty, Beomseok Kang, Saibal Mukhopadhyay

We identify the Expected Calibration Error (ECE) as a robust metric that tests the proposed evaluation criteria, offering asymptotic guarantees of proper scoring rules and improved interpretability through calibration curves.

Brain-Inspired Spiking Neural Network for Online Unsupervised Time Series Prediction

no code implementations10 Apr 2023 Biswadeep Chakraborty, Saibal Mukhopadhyay

Energy and data-efficient online time series prediction for predicting evolving dynamical systems are critical in several fields, especially edge AI applications that need to update continuously based on streaming data.

Time Series Time Series Prediction +1

Heterogeneous Neuronal and Synaptic Dynamics for Spike-Efficient Unsupervised Learning: Theory and Design Principles

no code implementations22 Feb 2023 Biswadeep Chakraborty, Saibal Mukhopadhyay

This paper shows that the heterogeneity in neuronal and synaptic dynamics reduces the spiking activity of a Recurrent Spiking Neural Network (RSNN) while improving prediction performance, enabling spike-efficient (unsupervised) learning.

Bayesian Optimization Learning Theory +3

Forecasting Local Behavior of Self-organizing Many-agent System without Reconstruction

no code implementations28 Oct 2022 Beomseok Kang, Minah Lee, Harshit Kumar, Saibal Mukhopadhyay

As an example, we consider a forest fire model where we aim to predict when a particular tree agent will start burning.

Heterogeneous Recurrent Spiking Neural Network for Spatio-Temporal Classification

no code implementations22 Sep 2022 Biswadeep Chakraborty, Saibal Mukhopadhyay

Spiking Neural Networks are often touted as brain-inspired learning models for the third wave of Artificial Intelligence.

Activity Recognition Classification

Forecasting Evolution of Clusters in Game Agents with Hebbian Learning

no code implementations19 Aug 2022 Beomseok Kang, Saibal Mukhopadhyay

In this light, clustering the agents in the game has been used for various purposes such as the efficient control of the agents in multi-agent reinforcement learning and game analytic tools for the game users.

Clustering Multi-agent Reinforcement Learning +3

Learning Point Processes using Recurrent Graph Network

no code implementations11 Aug 2022 Saurabh Dash, Xueyuan She, Saibal Mukhopadhyay

We present a novel Recurrent Graph Network (RGN) approach for predicting discrete marked event sequences by learning the underlying complex stochastic process.

Graph Attention Point Processes

Unsupervised Hebbian Learning on Point Sets in StarCraft II

no code implementations13 Jul 2022 Beomseok Kang, Harshit Kumar, Saurabh Dash, Saibal Mukhopadhyay

Learning the evolution of real-time strategy (RTS) game is a challenging problem in artificial intelligent (AI) system.

Self-Supervised Learning Starcraft +1

Radar Guided Dynamic Visual Attention for Resource-Efficient RGB Object Detection

no code implementations3 Jun 2022 Hemant Kumawat, Saibal Mukhopadhyay

In particular, our method improves the perception of small and long range objects, which are often not detected by the object detectors in RGB mode.

Autonomous Vehicles Object +2

Unraveled Multilevel Transformation Networks for Predicting Sparsely-Observed Spatiotemporal Dynamics

1 code implementation16 Mar 2022 Priyabrata Saha, Saibal Mukhopadhyay

In this paper, we address the problem of predicting complex, nonlinear spatiotemporal dynamics when available data is recorded at irregularly-spaced sparse spatial locations.

$μ$DARTS: Model Uncertainty-Aware Differentiable Architecture Search

no code implementations24 Jul 2021 Biswadeep Chakraborty, Saibal Mukhopadhyay

We present a Model Uncertainty-aware Differentiable ARchiTecture Search ($\mu$DARTS) that optimizes neural networks to simultaneously achieve high accuracy and low uncertainty.

Neural Architecture Search

Characterization of Generalizability of Spike Timing Dependent Plasticity trained Spiking Neural Networks

no code implementations31 May 2021 Biswadeep Chakraborty, Saibal Mukhopadhyay

A Spiking Neural Network (SNN) is trained with Spike Timing Dependent Plasticity (STDP), which is a neuro-inspired unsupervised learning method for various machine learning applications.

Bayesian Optimization BIG-bench Machine Learning

A Quantum Hopfield Associative Memory Implemented on an Actual Quantum Processor

no code implementations25 May 2021 Nathan Eli Miller, Saibal Mukhopadhyay

In this work, we present a Quantum Hopfield Associative Memory (QHAM) and demonstrate its capabilities in simulation and hardware using IBM Quantum Experience.

BIG-bench Machine Learning

A Fully Spiking Hybrid Neural Network for Energy-Efficient Object Detection

no code implementations21 Apr 2021 Biswadeep Chakraborty, Xueyuan She, Saibal Mukhopadhyay

This paper proposes a Fully Spiking Hybrid Neural Network (FSHNN) for energy-efficient and robust object detection in resource-constrained platforms.

Object object-detection +1

A Deep Learning Approach for Predicting Spatiotemporal Dynamics From Sparsely Observed Data

no code implementations30 Nov 2020 Priyabrata Saha, Saibal Mukhopadhyay

In this paper, we consider the problem of learning prediction models for spatiotemporal physical processes driven by unknown partial differential equations (PDEs).

Neural Identification for Control

1 code implementation24 Sep 2020 Priyabrata Saha, Magnus Egerstedt, Saibal Mukhopadhyay

The proposed method relies on the Lyapunov stability theory to generate a stable closed-loop dynamics hypothesis and corresponding control law.

Self-Supervised Learning

Physics-Incorporated Convolutional Recurrent Neural Networks for Source Identification and Forecasting of Dynamical Systems

1 code implementation14 Apr 2020 Priyabrata Saha, Saurabh Dash, Saibal Mukhopadhyay

Spatio-temporal dynamics of physical processes are generally modeled using partial differential equations (PDEs).

MagNet: Discovering Multi-agent Interaction Dynamics using Neural Network

1 code implementation24 Jan 2020 Priyabrata Saha, Arslan Ali, Burhan A. Mudassar, Yun Long, Saibal Mukhopadhyay

We present the MagNet, a neural network-based multi-agent interaction model to discover the governing dynamics and predict evolution of a complex multi-agent system from observations.

SAFE-DNN: A Deep Neural Network with Spike Assisted Feature Extraction for Noise Robust Inference

no code implementations25 Sep 2019 Xueyuan She, Priyabrata Saha, Daehyun Kim, Yun Long, Saibal Mukhopadhyay

We present a Deep Neural Network with Spike Assisted Feature Extraction (SAFE-DNN) to improve robustness of classification under stochastic perturbation of inputs.

Classification

ScieNet: Deep Learning with Spike-assisted Contextual Information Extraction

no code implementations11 Sep 2019 Xueyuan She, Yun Long, Daehyun Kim, Saibal Mukhopadhyay

ScieNet integrates unsupervised learning using spiking neural network (SNN) for unsupervised contextual informationextraction with a back-end DNN trained for classification.

Autonomous Vehicles Classification +2

Improving Robustness of ReRAM-based Spiking Neural Network Accelerator with Stochastic Spike-timing-dependent-plasticity

no code implementations11 Sep 2019 Xueyuan She, Yun Long, Saibal Mukhopadhyay

In addition, we show that the new algorithm can be used for designing a robust ReRAM based SNN accelerator that has strong resilience to device variation.

Application Inference using Machine Learning based Side Channel Analysis

no code implementations9 Jul 2019 Nikhil Chawla, Arvind Singh, Monodeep Kar, Saibal Mukhopadhyay

The proliferation of ubiquitous computing requires energy-efficient as well as secure operation of modern processors.

Benchmarking BIG-bench Machine Learning +1

Mixture of Pre-processing Experts Model for Noise Robust Deep Learning on Resource Constrained Platforms

no code implementations ICLR 2019 Taesik Na, Minah Lee, Burhan A. Mudassar, Priyabrata Saha, Jong Hwan Ko, Saibal Mukhopadhyay

We evaluate our proposed method for various machine learning tasks including object detection on MS-COCO 2014 dataset, multiple object tracking problem on MOT-Challenge dataset, and human activity classification on UCF 101 dataset.

General Classification Multiple Object Tracking +3

HybridNet: Integrating Model-based and Data-driven Learning to Predict Evolution of Dynamical Systems

no code implementations19 Jun 2018 Yun Long, Xueyuan She, Saibal Mukhopadhyay

In this paper, we present HybridNet, a framework that integrates data-driven deep learning and model-driven computation to reliably predict spatiotemporal evolution of a dynamical systems even with in-exact knowledge of their parameters.

Memory Slices: A Modular Building Block for Scalable, Intelligent Memory Systems

no code implementations16 Mar 2018 Bahar Asgari, Saibal Mukhopadhyay, Sudhakar Yalamanchili

However, these efforts ignored maintaining a balance between bandwidth and compute rate of an architecture, with those of applications, which is a key principle in designing scalable large systems.

Hardware Architecture Performance

Edge-Host Partitioning of Deep Neural Networks with Feature Space Encoding for Resource-Constrained Internet-of-Things Platforms

no code implementations11 Feb 2018 Jong Hwan Ko, Taesik Na, Mohammad Faisal Amir, Saibal Mukhopadhyay

The lossless or lossy encoding of the feature space is proposed to enhance the maximum input rate supported by the edge platform and/or reduce the energy of the edge platform.

NeuroTrainer: An Intelligent Memory Module for Deep Learning Training

no code implementations12 Oct 2017 Duckhwan Kim, Taesik Na, Sudhakar Yalamanchili, Saibal Mukhopadhyay

This paper presents, NeuroTrainer, an intelligent memory module with in-memory accelerators that forms the building block of a scalable architecture for energy efficient training for deep neural networks.

Hardware Architecture

Cascade Adversarial Machine Learning Regularized with a Unified Embedding

1 code implementation ICLR 2018 Taesik Na, Jong Hwan Ko, Saibal Mukhopadhyay

Injecting adversarial examples during training, known as adversarial training, can improve robustness against one-step attacks, but not for unknown iterative attacks.

BIG-bench Machine Learning

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