Search Results for author: Arijit Raychowdhury

Found 25 papers, 3 papers with code

H3DFact: Heterogeneous 3D Integrated CIM for Factorization with Holographic Perceptual Representations

no code implementations5 Apr 2024 Zishen Wan, Che-Kai Liu, Mohamed Ibrahim, Hanchen Yang, Samuel Spetalnick, Tushar Krishna, Arijit Raychowdhury

Disentangling attributes of various sensory signals is central to human-like perception and reasoning and a critical task for higher-order cognitive and neuro-symbolic AI systems.

Towards Cognitive AI Systems: a Survey and Prospective on Neuro-Symbolic AI

no code implementations2 Jan 2024 Zishen Wan, Che-Kai Liu, Hanchen Yang, Chaojian Li, Haoran You, Yonggan Fu, Cheng Wan, Tushar Krishna, Yingyan Lin, Arijit Raychowdhury

The remarkable advancements in artificial intelligence (AI), primarily driven by deep neural networks, have significantly impacted various aspects of our lives.

Real-Time Fully Unsupervised Domain Adaptation for Lane Detection in Autonomous Driving

no code implementations29 Jun 2023 Kshitij Bhardwaj, Zishen Wan, Arijit Raychowdhury, Ryan Goldhahn

While deep neural networks are being utilized heavily for autonomous driving, they need to be adapted to new unseen environmental conditions for which they were not trained.

Autonomous Driving Avg +2

Non-Uniform Interpolation in Integrated Gradients for Low-Latency Explainable-AI

no code implementations22 Feb 2023 Ashwin Bhat, Arijit Raychowdhury

Integrated Gradients (IG) is a popular XAI algorithm that attributes relevance scores to input features commensurate with their contribution to the model's output.

Explainable Artificial Intelligence (XAI)

Gradient Backpropagation based Feature Attribution to Enable Explainable-AI on the Edge

no code implementations19 Oct 2022 Ashwin Bhat, Adou Sangbone Assoa, Arijit Raychowdhury

In this work, we first analyze the dataflow of gradient backpropagation based feature attribution algorithms to determine the resource overhead required over inference.

Explainable Artificial Intelligence (XAI)

Fusing Frame and Event Vision for High-speed Optical Flow for Edge Application

no code implementations21 Jul 2022 Ashwin Sanjay Lele, Arijit Raychowdhury

However, the algorithms for processing the data either borrow frame like setup limiting the speed or suffer from lower accuracy.

Optical Flow Estimation

An Energy-Efficient Quad-Camera Visual System for Autonomous Machines on FPGA Platform

no code implementations1 Apr 2021 Zishen Wan, Yuyang Zhang, Arijit Raychowdhury, Bo Yu, Yanjun Zhang, Shaoshan Liu

In our past few years' of commercial deployment experiences, we identify localization as a critical task in autonomous machine applications, and a great acceleration target.

Multi-Task Federated Reinforcement Learning with Adversaries

no code implementations11 Mar 2021 Aqeel Anwar, Arijit Raychowdhury

Experimentation on different small to mid-size reinforcement learning problems show that the proposed attack method outperforms other general attack methods and the proposed modification to federated reinforcement learning algorithm was able to achieve near-optimal policies in the presence of adversarial agents.

reinforcement-learning Reinforcement Learning (RL)

A Survey of FPGA-Based Robotic Computing

no code implementations13 Sep 2020 Zishen Wan, Bo Yu, Thomas Yuang Li, Jie Tang, Yuhao Zhu, Yu Wang, Arijit Raychowdhury, Shaoshan Liu

On the other hand, FPGA-based robotic accelerators are becoming increasingly competitive alternatives, especially in latency-critical and power-limited scenarios.

Autonomous Vehicles

Masked Face Recognition for Secure Authentication

5 code implementations25 Aug 2020 Aqeel Anwar, Arijit Raychowdhury

The use of these face masks has raised a serious question on the accuracy of the facial recognition system used for tracking school/office attendance and to unlock phones.

Face Recognition

A Decentralized Policy Gradient Approach to Multi-task Reinforcement Learning

no code implementations8 Jun 2020 Sihan Zeng, Aqeel Anwar, Thinh Doan, Arijit Raychowdhury, Justin Romberg

We develop a mathematical framework for solving multi-task reinforcement learning (MTRL) problems based on a type of policy gradient method.

Atari Games Multi-Task Learning +3

Counting Cards: Exploiting Variance and Data Distributions for Robust Compute In-Memory

no code implementations4 Jun 2020 Brian Crafton, Samuel Spetalnick, Arijit Raychowdhury

Compute in-memory (CIM) is a promising technique that minimizes data transport, the primary performance bottleneck and energy cost of most data intensive applications.

Learning to Walk: Spike Based Reinforcement Learning for Hexapod Robot Central Pattern Generation

no code implementations22 Mar 2020 Ashwin Sanjay Lele, Yan Fang, Justin Ting, Arijit Raychowdhury

However, training a legged robot to walk by learning the synchronization patterns of central pattern generators (CPG) in an SNN framework has not been shown.

reinforcement-learning Reinforcement Learning (RL)

Hardware-aware Pruning of DNNs using LFSR-Generated Pseudo-Random Indices

no code implementations9 Nov 2019 Foroozan Karimzadeh, Ningyuan Cao, Brian Crafton, Justin Romberg, Arijit Raychowdhury

Deep neural networks (DNNs) have been emerged as the state-of-the-art algorithms in broad range of applications.

Design space exploration of Ferroelectric FET based Processing-in-Memory DNN Accelerator

no code implementations12 Aug 2019 Insik Yoon, Matthew Jerry, Suman Datta, Arijit Raychowdhury

In this letter, we quantify the impact of device limitations on the classification accuracy of an artificial neural network, where the synaptic weights are implemented in a Ferroelectric FET (FeFET) based in-memory processing architecture.

General Classification

Appearance-based Gesture recognition in the compressed domain

no code implementations19 Feb 2019 Shaojie Xu, Anvesha Amaravati, Justin Romberg, Arijit Raychowdhury

We propose a novel appearance-based gesture recognition algorithm using compressed domain signal processing techniques.

Computational Efficiency Gesture Recognition

Direct Feedback Alignment with Sparse Connections for Local Learning

1 code implementation30 Jan 2019 Brian Crafton, Abhinav Parihar, Evan Gebhardt, Arijit Raychowdhury

Using a sparse feedback matrix, we show that a neuron needs only a fraction of the information previously used by the feedback alignment algorithms.

NAVREN-RL: Learning to fly in real environment via end-to-end deep reinforcement learning using monocular images

no code implementations22 Jul 2018 Malik Aqeel Anwar, Arijit Raychowdhury

We present NAVREN-RL, an approach to NAVigate an unmanned aerial vehicle in an indoor Real ENvironment via end-to-end reinforcement learning RL.

Navigate reinforcement-learning +1

Stochastic IMT (insulator-metal-transition) neurons: An interplay of thermal and threshold noise at bifurcation

no code implementations16 Aug 2017 Abhinav Parihar, Matthew Jerry, Suman Datta, Arijit Raychowdhury

This motivates the current article where we demonstrate a stochastic neuron using an insulator-metal-transition (IMT) device, based on electrically induced phase-transition, in series with a tunable resistance.

A Light-powered, Always-On, Smart Camera with Compressed Domain Gesture Detection

no code implementations26 May 2016 Anvesha A, Shaojie Xu, Ningyuan Cao, Justin Romberg, Arijit Raychowdhury

In this paper we propose an energy-efficient camera-based gesture recognition system powered by light energy for "always on" applications.

Dynamic Time Warping Gesture Recognition +1

Cannot find the paper you are looking for? You can Submit a new open access paper.