1 code implementation • 1 Sep 2024 • Nazmul Karim, Abdullah Al Arafat, Adnan Siraj Rakin, Zhishan Guo, Nazanin Rahnavard
Intuitively, the backdoor can be purified by re-optimizing the model to smoother minima.
1 code implementation • 14 Jul 2024 • Nazmul Karim, Abdullah Al Arafat, Umar Khalid, Zhishan Guo, Nazanin Rahnavard
In this paper, we propose Neural mask Fine-Tuning (NFT) with an aim to optimally re-organize the neuron activities in a way that the effect of the backdoor is removed.
1 code implementation • 21 Dec 2023 • Nazmul Karim, Hasan Iqbal, Umar Khalid, Jing Hua, Chen Chen
Text-to-Image (T2I) diffusion models have recently gained traction for their versatility and user-friendliness in 2D content generation and editing.
1 code implementation • 14 Dec 2023 • Umar Khalid, Hasan Iqbal, Nazmul Karim, Jing Hua, Chen Chen
Our approach achieves faster editing speeds and superior output quality compared to existing 3D editing models, bridging the gap between textual instructions and high-quality 3D scene editing in latent space.
1 code implementation • 30 Jun 2023 • Nazmul Karim, Abdullah Al Arafat, Umar Khalid, Zhishan Guo, Naznin Rahnavard
Extensive experiments show that the proposed method achieves state-of-the-art performance on a wide range of backdoor defense benchmarks: four different datasets- CIFAR10, GTSRB, Tiny-ImageNet, and ImageNet; 13 recent backdoor attacks, e. g.
1 code implementation • 30 May 2023 • Nazmul Karim, Umar Khalid, Mohsen Joneidi, Chen Chen, Nazanin Rahnavard
Text-to-Image (T2I) diffusion models have achieved remarkable success in synthesizing high-quality images conditioned on text prompts.
1 code implementation • CVPR 2023 • Nazmul Karim, Niluthpol Chowdhury Mithun, Abhinav Rajvanshi, Han-Pang Chiu, Supun Samarasekera, Nazanin Rahnavard
In this regard, source-free domain adaptation (SFDA) excels as access to source data is no longer required during adaptation.
Ranked #4 on Source-Free Domain Adaptation on VisDA-2017
no code implementations • 15 Aug 2022 • Imran Hossain, Md Aminul Haque Palash, Anika Tabassum Sejuty, Noor A Tanjim, MD Abdullah Al Nasim, Sarwar Saif, Abu Bokor Suraj, Md Mahim Anjum Haque, Nazmul Karim
This paper reviews the different techniques and developments of recommender systems in e-commerce, e-tourism, e-resources, e-government, e-learning, and e-library.
1 code implementation • 21 Apr 2022 • Nazmul Karim, Umar Khalid, Ashkan Esmaeili, Nazanin Rahnavard
After purification, we perform fine-tuning in a semi-supervised fashion that ensures the participation of all available samples.
1 code implementation • 6 Apr 2022 • Umar Khalid, Ashkan Esmaeili, Nazmul Karim, Nazanin Rahnavard
The method proposed in this work referred to as RODD outperforms SOTA detection performance on an extensive suite of benchmark datasets on OOD detection tasks.
Ranked #1 on Out-of-Distribution Detection on cifar100 (using extra training data)
1 code implementation • 6 Apr 2022 • Umar Khalid, Nazmul Karim, Nazanin Rahnavard
Deep neural networks (DNNs) designed for computer vision and natural language processing tasks cannot be directly applied to the radio frequency (RF) datasets.
1 code implementation • CVPR 2022 • Nazmul Karim, Mamshad Nayeem Rizve, Nazanin Rahnavard, Ajmal Mian, Mubarak Shah
To combat label noise, recent state-of-the-art methods employ some sort of sample selection mechanism to select a possibly clean subset of data.
no code implementations • 9 Oct 2021 • Nazmul Karim, Umar Khalid, Nick Meeker, Sarinda Samarasinghe
Through comparing adversarial robustness achieved without adversarial training, with triplet loss adversarial training, and our contrastive pre-training combined with triplet loss adversarial fine-tuning, we find that our method achieves comparable results with far fewer epochs re-quired during fine-tuning.
2 code implementations • 3 Jul 2021 • Nazmul Karim, Nazanin Rahnavard
In this paper, we propose a generative adversarial network-based reconstruction framework for single-pixel imaging, referred to as SPI-GAN.
1 code implementation • 2 Jul 2021 • Nazmul Karim, Alireza Zaeemzadeh, Nazanin Rahnavard
The proposed scheme, referred to as RL-NCS, aims to boost the performance of signal recovery through an optimal and adaptive distribution of sensing energy among two groups of coefficients of the signal, referred to as the region of interest (ROI) coefficients and non-ROI coefficients.
1 code implementation • 16 Jul 2020 • Marzieh Edraki, Nazmul Karim, Nazanin Rahnavard, Ajmal Mian, Mubarak Shah
We propose a detector that is based on the analysis of the intrinsic DNN properties; that are affected due to the Trojaning process.