Search Results for author: Ehsan Nazerfard

Found 5 papers, 0 papers with code

SegLoc: Visual Self-supervised Learning Scheme for Dense Prediction Tasks of Security Inspection X-ray Images

no code implementations12 Oct 2023 Shervin Halat, Mohammad Rahmati, Ehsan Nazerfard

Thus, here, we have considered dense prediction tasks on security inspection x-ray images to evaluate our proposed model Segmentation Localization (SegLoc).

Contrastive Learning Self-Supervised Learning +1

Reinforcement Learning-based Mixture of Vision Transformers for Video Violence Recognition

no code implementations4 Oct 2023 Hamid Mohammadi, Ehsan Nazerfard, Tahereh Firoozi

The empirical results show the proposed MoE architecture's superiority over CNN-based models by achieving 92. 4% accuracy on the RWF dataset.

reinforcement-learning

Video Violence Recognition and Localization Using a Semi-Supervised Hard Attention Model

no code implementations4 Feb 2022 Hamid Mohammadi, Ehsan Nazerfard

The proposed model achieved state-of-the-art accuracy of 90. 4% and 98. 7% on RWF and Hockey datasets, respectively.

Ranked #2 on Activity Recognition on RWF-2000 (using extra training data)

Activity Recognition Hard Attention +2

Cross-Subject Transfer Learning in Human Activity Recognition Systems using Generative Adversarial Networks

no code implementations29 Mar 2019 Elnaz Soleimania, Ehsan Nazerfard

This paper presents a novel method of adversarial knowledge transfer named SA-GAN stands for Subject Adaptor GAN which utilizes Generative Adversarial Network framework to perform cross-subject transfer learning in the domain of wearable sensor-based Human Activity Recognition.

Generative Adversarial Network Human Activity Recognition +2

Online Human Activity Recognition Employing Hierarchical Hidden Markov Models

no code implementations12 Mar 2019 Parviz Asghari, Elnaz Soelimani, Ehsan Nazerfard

After detecting the activity pane, the predicted label will be corrected utilizing statistical features such as time of day at which the activity happened and the duration of the activity.

Human Activity Recognition Privacy Preserving

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