activity
20202025
most citedUNICON: Combating Label Noise Through Uniform Selection and Contrastive Learning

16 citations · 37 across the 15 of their papers we have counts for

collaborators

17 papers

cs.CV2025

PSF-4D: A Progressive Sampling Framework for View Consistent 4D Editing

Hasan Iqbal, Nazmul Karim, Umar Khalid +4

Instruction-guided generative models, especially those using text-to-image (T2I) and text-to-video (T2V) diffusion frameworks, have advanced the field of content editing in recent…

cs.CV2024

Fisher Information guided Purification against Backdoor Attacks

Nazmul Karim, Abdullah Al Arafat, Adnan Siraj Rakin +2

Studies on backdoor attacks in recent years suggest that an adversary can compromise the integrity of a deep neural network (DNN) by manipulating a small set of training samples. O…

cs.CV2024

Augmented Neural Fine-Tuning for Efficient Backdoor Purification

Nazmul Karim, Abdullah Al Arafat, Umar Khalid +2

Recent studies have revealed the vulnerability of deep neural networks (DNNs) to various backdoor attacks, where the behavior of DNNs can be compromised by utilizing certain types…

cs.CV2023

Free-Editor: Zero-shot Text-driven 3D Scene Editing

Nazmul Karim, Hasan Iqbal, Umar Khalid +2

Text-to-Image (T2I) diffusion models have recently gained traction for their versatility and user-friendliness in 2D content generation and editing. However, training a diffusion m…

cs.CV2023

LatentEditor: Text Driven Local Editing of 3D Scenes

Umar Khalid, Hasan Iqbal, Nazmul Karim +2

While neural fields have made significant strides in view synthesis and scene reconstruction, editing them poses a formidable challenge due to their implicit encoding of geometry a…

cs.CV2023★ 2 cited

Efficient Backdoor Removal Through Natural Gradient Fine-tuning

Nazmul Karim, Abdullah Al Arafat, Umar Khalid +2

The success of a deep neural network (DNN) heavily relies on the details of the training scheme; e.g., training data, architectures, hyper-parameters, etc. Recent backdoor attacks…

cs.CV2023

SAVE: Spectral-Shift-Aware Adaptation of Image Diffusion Models for Text-driven Video Editing

Nazmul Karim, Umar Khalid, Mohsen Joneidi +2

Text-to-Image (T2I) diffusion models have achieved remarkable success in synthesizing high-quality images conditioned on text prompts. Recent methods have tried to replicate the su…

cs.CV2023★ 1 cited

C-SFDA: A Curriculum Learning Aided Self-Training Framework for Efficient Source Free Domain Adaptation

Nazmul Karim, Niluthpol Chowdhury Mithun, Abhinav Rajvanshi +3

Unsupervised domain adaptation (UDA) approaches focus on adapting models trained on a labeled source domain to an unlabeled target domain. UDA methods have a strong assumption that…

cs.CV2022★ 16 cited

UNICON: Combating Label Noise Through Uniform Selection and Contrastive Learning

Nazmul Karim, Mamshad Nayeem Rizve, Nazanin Rahnavard +2

Supervised deep learning methods require a large repository of annotated data; hence, label noise is inevitable. Training with such noisy data negatively impacts the generalization…

cs.CV2022★ 1 cited

CNLL: A Semi-supervised Approach For Continual Noisy Label Learning

Nazmul Karim, Umar Khalid, Ashkan Esmaeili +1

The task of continual learning requires careful design of algorithms that can tackle catastrophic forgetting. However, the noisy label, which is inevitable in a real-world scenario…

eess.SP2022

RF Signal Transformation and Classification using Deep Neural Networks

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. To address this chal…

cs.CV2022★ 2 cited

RODD: A Self-Supervised Approach for Robust Out-of-Distribution Detection

Umar Khalid, Ashkan Esmaeili, Nazmul Karim +1

Recent studies have addressed the concern of detecting and rejecting the out-of-distribution (OOD) samples as a major challenge in the safe deployment of deep learning (DL) models.…

cs.LG2021

The Prominence of Artificial Intelligence in COVID-19

MD Abdullah Al Nasim, Aditi Dhali, Faria Afrin +3

In December 2019, a novel virus called COVID-19 had caused an enormous number of causalities to date. The battle with the novel Coronavirus is baffling and horrifying after the Spa…

cs.CV2021★ 1 cited

Adversarial Training for Face Recognition Systems using Contrastive Adversarial Learning and Triplet Loss Fine-tuning

Nazmul Karim, Umar Khalid, Nick Meeker +1

Though much work has been done in the domain of improving the adversarial robustness of facial recognition systems, a surprisingly small percentage of it has focused on self-superv…

cs.CV2021★ 14 cited

SPI-GAN: Towards Single-Pixel Imaging through Generative Adversarial Network

Nazmul Karim, Nazanin Rahnavard

Single-pixel imaging is a novel imaging scheme that has gained popularity due to its huge computational gain and potential for a low-cost alternative to imaging beyond the visible…

cs.LG2021

RL-NCS: Reinforcement learning based data-driven approach for nonuniform compressed sensing

Nazmul Karim, Alireza Zaeemzadeh, Nazanin Rahnavard

A reinforcement-learning-based non-uniform compressed sensing (NCS) framework for time-varying signals is introduced. The proposed scheme, referred to as RL-NCS, aims to boost the…

cs.CV2020

Odyssey: Creation, Analysis and Detection of Trojan Models

Marzieh Edraki, Nazmul Karim, Nazanin Rahnavard +2

Along with the success of deep neural network (DNN) models, rise the threats to the integrity of these models. A recent threat is the Trojan attack where an attacker interferes wit…