Search Results for author: Ayush K. Rai

Found 4 papers, 2 papers with code

Video Anomaly Detection via Spatio-Temporal Pseudo-Anomaly Generation : A Unified Approach

no code implementations27 Nov 2023 Ayush K. Rai, Tarun Krishna, Feiyan Hu, Alexandru Drimbarean, Kevin McGuinness, Alan F. Smeaton, Noel E. O'Connor

Video Anomaly Detection (VAD) is an open-set recognition task, which is usually formulated as a one-class classification (OCC) problem, where training data is comprised of videos with normal instances while test data contains both normal and anomalous instances.

One-Class Classification Open Set Learning +2

Motion Aware Self-Supervision for Generic Event Boundary Detection

1 code implementation11 Oct 2022 Ayush K. Rai, Tarun Krishna, Julia Dietlmeier, Kevin McGuinness, Alan F. Smeaton, Noel E. O'Connor

In this work, we address this issue by revisiting a simple and effective self-supervised method and augment it with a differentiable motion feature learning module to tackle the spatial and temporal diversities in the GEBD task.

Boundary Detection Generic Event Boundary Detection

Dynamic Channel Selection in Self-Supervised Learning

1 code implementation25 Jul 2022 Tarun Krishna, Ayush K. Rai, Yasser A. D. Djilali, Alan F. Smeaton, Kevin McGuinness, Noel E. O'Connor

Currently, convnets pre-trained with self-supervision have obtained comparable performance on downstream tasks in comparison to their supervised counterparts in computer vision.

Image Classification Self-Supervised Learning

Investigating Memorability of Dynamic Media

no code implementations31 Dec 2020 Phuc H. Le-Khac, Ayush K. Rai, Graham Healy, Alan F. Smeaton, Noel E. O'Connor

The Predicting Media Memorability task in MediaEval'20 has some challenging aspects compared to previous years.

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