Search Results for author: Mohsen Imani

Found 23 papers, 3 papers with code

Self-Attention Based Semantic Decomposition in Vector Symbolic Architectures

no code implementations20 Mar 2024 Calvin Yeung, Prathyush Poduval, Mohsen Imani

In this work, we introduce a new variant of the resonator network, based on self-attention based update rules in the iterative search problem.

Interpretable Machine Learning

TaskCLIP: Extend Large Vision-Language Model for Task Oriented Object Detection

no code implementations12 Mar 2024 Hanning Chen, Wenjun Huang, Yang Ni, Sanggeon Yun, Fei Wen, Hugo Latapie, Mohsen Imani

Nevertheless, the naive application of VLMs leads to sub-optimal quality, due to the misalignment between embeddings of object images and their visual attributes, which are mainly adjective phrases.

Language Modelling Object +3

HDReason: Algorithm-Hardware Codesign for Hyperdimensional Knowledge Graph Reasoning

no code implementations9 Mar 2024 Hanning Chen, Yang Ni, Ali Zakeri, Zhuowen Zou, Sanggeon Yun, Fei Wen, Behnam Khaleghi, Narayan Srinivasa, Hugo Latapie, Mohsen Imani

When conducting cross-models and cross-platforms comparison, HDReason yields an average 4. 2x higher performance and 3. 4x better energy efficiency with similar accuracy versus the state-of-the-art FPGA-based GCN training platform.

Graph Classification Graph Learning +1

HEAL: Brain-inspired Hyperdimensional Efficient Active Learning

no code implementations17 Feb 2024 Yang Ni, Zhuowen Zou, Wenjun Huang, Hanning Chen, William Youngwoo Chung, Samuel Cho, Ranganath Krishnan, Pietro Mercati, Mohsen Imani

Drawing inspiration from the outstanding learning capability of our human brains, Hyperdimensional Computing (HDC) emerges as a novel computing paradigm, and it leverages high-dimensional vector presentation and operations for brain-like lightweight Machine Learning (ML).

Active Learning

A Plug-in Tiny AI Module for Intelligent and Selective Sensor Data Transmission

no code implementations3 Feb 2024 Wenjun Huang, Arghavan Rezvani, Hanning Chen, Yang Ni, Sanggeon Yun, Sungheon Jeong, Mohsen Imani

To enhance the framework's performance, the training process is customized and a "lazy" sensor deactivation strategy utilizing temporal information is introduced.

HyperSense: Accelerating Hyper-Dimensional Computing for Intelligent Sensor Data Processing

no code implementations4 Jan 2024 Sanggeon Yun, Hanning Chen, Ryozo Masukawa, Hamza Errahmouni Barkam, Andrew Ding, Wenjun Huang, Arghavan Rezvani, Shaahin Angizi, Mohsen Imani

Introducing HyperSense, our co-designed hardware and software system efficiently controls Analog-to-Digital Converter (ADC) modules' data generation rate based on object presence predictions in sensor data.

object-detection Object Detection

Towards Efficient Hyperdimensional Computing Using Photonics

no code implementations29 Nov 2023 Farbin Fayza, Cansu Demirkiran, Hanning Chen, Che-Kai Liu, Avi Mohan, Hamza Errahmouni, Sanggeon Yun, Mohsen Imani, David Zhang, Darius Bunandar, Ajay Joshi

Over the past few years, silicon photonics-based computing has emerged as a promising alternative to CMOS-based computing for Deep Neural Networks (DNN).

Learning from Hypervectors: A Survey on Hypervector Encoding

no code implementations1 Aug 2023 Sercan Aygun, Mehran Shoushtari Moghadam, M. Hassan Najafi, Mohsen Imani

It zeroes in on the HDC system input and the generation of hypervectors, directly influencing the hypervector encoding process.

DistHD: A Learner-Aware Dynamic Encoding Method for Hyperdimensional Classification

1 code implementation11 Apr 2023 Junyao Wang, Sitao Huang, Mohsen Imani

Brain-inspired hyperdimensional computing (HDC) has been recently considered a promising learning approach for resource-constrained devices.

Efficient Personalized Learning for Wearable Health Applications using HyperDimensional Computing

no code implementations1 Aug 2022 Sina Shahhosseini, Yang Ni, Hamidreza Alikhani, Emad Kasaeyan Naeini, Mohsen Imani, Nikil Dutt, Amir M. Rahmani

Considering the significant role of wearable devices in monitoring human body parameters, on-device learning can be utilized to build personalized models for behavioral and physiological patterns, and provide data privacy for users at the same time.

BIG-bench Machine Learning Privacy Preserving

Efficient Off-Policy Reinforcement Learning via Brain-Inspired Computing

no code implementations14 May 2022 Yang Ni, Danny Abraham, Mariam Issa, Yeseong Kim, Pietro Mercati, Mohsen Imani

Our evaluation shows QHD capability for real-time learning, providing 34. 6 times speedup and significantly better quality of learning than DQN.

Decision Making Q-Learning +2

Spiking Hyperdimensional Network: Neuromorphic Models Integrated with Memory-Inspired Framework

no code implementations1 Oct 2021 Zhuowen Zou, Haleh Alimohamadi, Farhad Imani, Yeseong Kim, Mohsen Imani

Particularly, Spiking Neural Networks (SNNs) and HyperDimensional Computing (HDC) have shown promising results in enabling efficient and robust cognitive learning.

Prive-HD: Privacy-Preserved Hyperdimensional Computing

no code implementations14 May 2020 Behnam Khaleghi, Mohsen Imani, Tajana Rosing

In this paper, we target privacy-preserving training and inference of brain-inspired Hyperdimensional (HD) computing, a new learning algorithm that is gaining traction due to its light-weight computation and robustness particularly appealing for edge devices with tight constraints.

Privacy Preserving Quantization

QubitHD: A Stochastic Acceleration Method for HD Computing-Based Machine Learning

no code implementations27 Nov 2019 Samuel Bosch, Alexander Sanchez de la Cerda, Mohsen Imani, Tajana Simunic Rosing, Giovanni De Micheli

It is a promising solution for achieving high energy efficiency in different machine learning tasks, such as classification, semi-supervised learning, and clustering.

BIG-bench Machine Learning Classification +2

Mockingbird: Defending Against Deep-Learning-Based Website Fingerprinting Attacks with Adversarial Traces

1 code implementation18 Feb 2019 Mohsen Imani, Mohammad Saidur Rahman, Nate Mathews, Matthew Wright

Since the attacker gets to design his classifier based on the defense design, we first demonstrate that at least one technique for generating adversarial-example based traces fails to protect against an attacker using adversarial training for robust classification.

Website Fingerprinting Defense Cryptography and Security

RAPIDNN: In-Memory Deep Neural Network Acceleration Framework

no code implementations15 Jun 2018 Mohsen Imani, Mohammad Samragh, Yeseong Kim, Saransh Gupta, Farinaz Koushanfar, Tajana Rosing

To enable in-memory processing, RAPIDNN reinterprets a DNN model and maps it into a specialized accelerator, which is designed using non-volatile memory blocks that model four fundamental DNN operations, i. e., multiplication, addition, activation functions, and pooling.

Clustering speech-recognition +3

Modified Relay Selection and Circuit Selection for Faster Tor

1 code implementation26 Aug 2016 Mohsen Imani, Mehrdad Amirabadi, Matthew Wright

In this paper, we examine both the process of selecting among pre-built circuits and the process of selecting the path of relays for use in building new circuits to improve performance while maintaining anonymity.

Cryptography and Security

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