activity
20152026
most citedAn Improvement on LSB Matching and LSB Matching Revisited Steganography Methods

4 citations · 21 across the 13 of their papers we have counts for

collaborators

16 papers

cs.AI2026

Regime-Aware Portfolio Management via Retrieval-Augmented LLM-Guided Expert Switching

Ahmad Asadi, Reza Safabakhsh

Financial markets are inherently non-stationary, making the effectiveness of individual portfolio-management strategies highly dependent on changing market conditions. This work pr…

cs.LG2023

On Continuity of Robust and Accurate Classifiers

Ramin Barati, Reza Safabakhsh, Mohammad Rahmati

The reliability of a learning model is key to the successful deployment of machine learning in various applications. However, it is difficult to describe the phenomenon due to the…

cs.CL2023★ 2 cited

X-CapsNet For Fake News Detection

Mohammad Hadi Goldani, Reza Safabakhsh, Saeedeh Momtazi

News consumption has significantly increased with the growing popularity and use of web-based forums and social media. This sets the stage for misinforming and confusing people. To…

cs.LG2022

An Analytic Framework for Robust Training of Artificial Neural Networks

Ramin Barati, Reza Safabakhsh, Mohammad Rahmati

The reliability of a learning model is key to the successful deployment of machine learning in various industries. Creating a robust model, particularly one unaffected by adversari…

cs.LG2022

Using Decision Tree as Local Interpretable Model in Autoencoder-based LIME

Niloofar Ranjbar, Reza Safabakhsh

Nowadays, deep neural networks are being used in many domains because of their high accuracy results. However, they are considered as "black box", means that they are not explainab…

cs.LG2021

Towards Explaining Adversarial Examples Phenomenon in Artificial Neural Networks

Ramin Barati, Reza Safabakhsh, Mohammad Rahmati

In this paper, we study the adversarial examples existence and adversarial training from the standpoint of convergence and provide evidence that pointwise convergence in ANNs can e…

cs.LG2021★ 4 cited

Maximum Entropy Weighted Independent Set Pooling for Graph Neural Networks

Amirhossein Nouranizadeh, Mohammadjavad Matinkia, Mohammad Rahmati +1

In this paper, we propose a novel pooling layer for graph neural networks based on maximizing the mutual information between the pooled graph and the input graph. Since the maximum…

q-fin.ST2021★ 3 cited

A Reinforcement Learning Based Encoder-Decoder Framework for Learning Stock Trading Rules

Mehran Taghian, Ahmad Asadi, Reza Safabakhsh

A wide variety of deep reinforcement learning (DRL) models have recently been proposed to learn profitable investment strategies. The rules learned by these models outperform the p…

cs.AI2020★ 2 cited

Learning Financial Asset-Specific Trading Rules via Deep Reinforcement Learning

Mehran Taghian, Ahmad Asadi, Reza Safabakhsh

Generating asset-specific trading signals based on the financial conditions of the assets is one of the challenging problems in automated trading. Various asset trading rules are p…

cs.CL2020

Detecting Fake News with Capsule Neural Networks

Mohammad Hadi Goldani, Saeedeh Momtazi, Reza Safabakhsh

Fake news is dramatically increased in social media in recent years. This has prompted the need for effective fake news detection algorithms. Capsule neural networks have been succ…

cs.CV2019★ 3 cited

A Deep Decoder Structure Based on WordEmbedding Regression for An Encoder-Decoder Based Model for Image Captioning

Ahmad Asadi, Reza Safabakhsh

Generating textual descriptions for images has been an attractive problem for the computer vision and natural language processing researchers in recent years. Dozens of models base…

cs.NE2017

Novel Adaptive Genetic Algorithm Sample Consensus

Ehsan Shojaedini, Mahshid Majd, Reza Safabakhsh

Random sample consensus (RANSAC) is a successful algorithm in model fitting applications. It is vital to have strong exploration phase when there are an enormous amount of outliers…

cs.MM2017★ 1 cited

A new adaptive method for hiding data in images

Kazem Qazanfari, Reza Safabaksh

LSB method is one of the well-known steganography methods which hides the message bits into the least significant bit of pixel values. This method changes the statistical informati…

cs.CR2017★ 4 cited

An Improvement on LSB Matching and LSB Matching Revisited Steganography Methods

Kazem Qazanfari, Reza Safabakhsh

The aim of the steganography methods is to communicate securely in a completely undetectable manner. LSB Matching and LSB Matching Revisited steganography methods are two general a…

cs.CV2017

Robust Stereo Feature Descriptor for Visual Odometry

Ehsan Shojaedini, Reza Safabakhsh

In this paper, we propose a simple way to utilize stereo camera data to improve feature descriptors. Computer vision algorithms that use a stereo camera require some calculations o…

cs.LG2015★ 2 cited

Exponential Natural Particle Filter

Ghazal Zand, Mojtaba Taherkhani, Reza Safabakhsh

Particle Filter algorithm (PF) suffers from some problems such as the loss of particle diversity, the need for large number of particles, and the costly selection of the importance…