Search Results for author: Violetta Shevchenko

Found 6 papers, 0 papers with code

A Sampling Theory Perspective on Activations for Implicit Neural Representations

no code implementations8 Feb 2024 Hemanth Saratchandran, Sameera Ramasinghe, Violetta Shevchenko, Alexander Long, Simon Lucey

Implicit Neural Representations (INRs) have gained popularity for encoding signals as compact, differentiable entities.

On the effectiveness of neural priors in modeling dynamical systems

no code implementations10 Mar 2023 Sameera Ramasinghe, Hemanth Saratchandran, Violetta Shevchenko, Simon Lucey

Modelling dynamical systems is an integral component for understanding the natural world.

BLiRF: Bandlimited Radiance Fields for Dynamic Scene Modeling

no code implementations27 Feb 2023 Sameera Ramasinghe, Violetta Shevchenko, Gil Avraham, Anton Van Den Hengel

Reasoning the 3D structure of a non-rigid dynamic scene from a single moving camera is an under-constrained problem.

Novel View Synthesis

EBMs vs. CL: Exploring Self-Supervised Visual Pretraining for Visual Question Answering

no code implementations29 Jun 2022 Violetta Shevchenko, Ehsan Abbasnejad, Anthony Dick, Anton Van Den Hengel, Damien Teney

In a simple setting similar to CLEVR, we find that CL representations also improve systematic generalization, and even match the performance of representations from a larger, supervised, ImageNet-pretrained model.

Contrastive Learning Out of Distribution (OOD) Detection +4

Reasoning over Vision and Language: Exploring the Benefits of Supplemental Knowledge

no code implementations EACL (LANTERN) 2021 Violetta Shevchenko, Damien Teney, Anthony Dick, Anton Van Den Hengel

The technique brings clear benefits to knowledge-demanding question answering tasks (OK-VQA, FVQA) by capturing semantic and relational knowledge absent from existing models.

Question Answering Visual Question Answering (VQA) +1

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