Search Results for author: Tom Joy

Found 5 papers, 4 papers with code

MoCaE: Mixture of Calibrated Experts Significantly Improves Object Detection

no code implementations26 Sep 2023 Kemal Oksuz, Selim Kuzucu, Tom Joy, Puneet K. Dokania

Combining the strengths of many existing predictors to obtain a Mixture of Experts which is superior to its individual components is an effective way to improve the performance without having to develop new architectures or train a model from scratch.

Instance Segmentation Object +4

Towards Building Self-Aware Object Detectors via Reliable Uncertainty Quantification and Calibration

1 code implementation CVPR 2023 Kemal Oksuz, Tom Joy, Puneet K. Dokania

The current approach for testing the robustness of object detectors suffers from serious deficiencies such as improper methods of performing out-of-distribution detection and using calibration metrics which do not consider both localisation and classification quality.

Autonomous Driving Object +4

Sample-dependent Adaptive Temperature Scaling for Improved Calibration

1 code implementation13 Jul 2022 Tom Joy, Francesco Pinto, Ser-Nam Lim, Philip H. S. Torr, Puneet K. Dokania

The most common post-hoc approach to compensate for this is to perform temperature scaling, which adjusts the confidences of the predictions on any input by scaling the logits by a fixed value.

Out of Distribution (OOD) Detection

Learning Multimodal VAEs through Mutual Supervision

1 code implementation ICLR 2022 Tom Joy, Yuge Shi, Philip H. S. Torr, Tom Rainforth, Sebastian M. Schmon, N. Siddharth

Here we introduce a novel alternative, the MEME, that avoids such explicit combinations by repurposing semi-supervised VAEs to combine information between modalities implicitly through mutual supervision.

Capturing Label Characteristics in VAEs

2 code implementations ICLR 2021 Tom Joy, Sebastian M. Schmon, Philip H. S. Torr, N. Siddharth, Tom Rainforth

We present a principled approach to incorporating labels in VAEs that captures the rich characteristic information associated with those labels.

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