no code implementations • 15 Feb 2025 • Kafi Anan, Anindya Bhattacharjee, Ashir Intesher, Kaidul Islam, Abrar Assaeem Fuad, Utsab Saha, Hafiz Imtiaz
The 2025 Signal Processing Cup (DFWild-Cup competition) provided a diverse dataset of deepfake images, which are generated from multiple deepfake image generators, for training machine learning model(s) to emphasize the generalization of deepfake detection.
1 code implementation • 29 Nov 2024 • Md. Touhidul Islam, Md. Abtahi M. Chowdhury, Sumaiya Salekin, Aye T. Maung, Akil A. Taki, Hafiz Imtiaz
In contrast to non-medical image denoising, where enhancing image clarity is the primary goal, medical image denoising warrants preservation of crucial features without introduction of new artifacts.
no code implementations • 25 Nov 2024 • Utsab Saha, Tanvir Muntakim Tonoy, Hafiz Imtiaz
To evaluate the effectiveness of DP-CDA, we examine the accuracy of predictive models trained on the synthetic data, which serves as a measure of dataset utility.
no code implementations • 11 Apr 2023 • Sohan Salahuddin Mugdho, Hafiz Imtiaz
Building a recommendation system involves analyzing user data, which can potentially leak sensitive information about users.
no code implementations • 26 Dec 2022 • Ishtiaque Ahmed Showmik, Tahsina Farah Sanam, Hafiz Imtiaz
Human Activity Recognition (HAR) is an emerging technology with several applications in surveillance, security, and healthcare sectors.
1 code implementation • 2 Nov 2022 • Swapnil Saha, Hafiz Imtiaz
We show our proposed framework's performance in six real data sets.
no code implementations • 28 Oct 2019 • Hafiz Imtiaz, Jafar Mohammadi, Rogers Silva, Bradley Baker, Sergey M. Plis, Anand D. Sarwate, Vince Calhoun
In this work, we propose a differentially private algorithm for performing ICA in a decentralized data setting.
2 code implementations • 22 Apr 2019 • Hafiz Imtiaz, Jafar Mohammadi, Anand D. Sarwate
CAPE can be used in conjunction with the functional mechanism for statistical and machine learning optimization problems.
no code implementations • 26 Apr 2018 • Hafiz Imtiaz, Anand D. Sarwate
Tensor and matrix factorizations are key components of many processing pipelines.
no code implementations • 7 Oct 2011 • Hafiz Imtiaz, Shaikh Anowarul Fattah
In this paper, a multi-resolution feature extraction algorithm for face recognition is proposed based on two-dimensional discrete wavelet transform (2D-DWT), which efficiently exploits the local spatial variations in a face image.