Search Results for author: Wasim Ahmad

Found 5 papers, 2 papers with code

Deep Learning-based Group Causal Inference in Multivariate Time-series

no code implementations16 Jan 2024 Wasim Ahmad, Maha Shadaydeh, Joachim Denzler

Causal inference in a nonlinear system of multivariate timeseries is instrumental in disentangling the intricate web of relationships among variables, enabling us to make more accurate predictions and gain deeper insights into real-world complex systems.

Causal Inference Time Series

CapST: An Enhanced and Lightweight Model Attribution Approach for Synthetic Videos

no code implementations7 Nov 2023 Wasim Ahmad, Yan-Tsung Peng, Yuan-Hao Chang, Gaddisa Olani Ganfure, Sarwar Khan, Sahibzada Adil Shahzad

Deepfake videos, generated through AI faceswapping techniques, have garnered considerable attention due to their potential for powerful impersonation attacks.

Multimodal Forgery Detection Using Ensemble Learning

1 code implementation Asia-Pacific Signal and Information Processing Association Annual Summit and Conference (APSIPA ASC) 2022 Ammarah Hashmi, Sahibzada Adil Shahzad, Wasim Ahmad, Chia Wen Lin, Yu Tsao, Hsin-Min Wang

The recent rapid revolution in Artificial Intelligence (AI) technology has enabled the creation of hyper-realistic deepfakes, and detecting deepfake videos (also known as AIsynthesized videos) has become a critical task.

 Ranked #1 on Multimodal Forgery Detection on FakeAVCeleb (using extra training data)

Ensemble Learning Face Swapping +1

Causal Inference in Non-linear Time-series using Deep Networks and Knockoff Counterfactuals

no code implementations22 Sep 2021 Wasim Ahmad, Maha Shadaydeh, Joachim Denzler

Overall our method outperforms the widely used vector autoregressive Granger causality and PCMCI in detecting nonlinear causal dependency in multivariate time series.

Causal Inference counterfactual +2

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