I am a final year DPhil (PhD) student in the Department of Engineering Science at the University of Oxford, advised by Professor Philip Torr in Torr Vision Group and Professor Yarin Gal in OATML. I have also been closely supervised by Dr. Puneet Dokania. Previously, I obtained my Bachelor of Engineering degree in Computer Science and Engineering from Jadavpur University, Kolkata, India and completed my Master of Science (MSc) in Computer Science from the University of Oxford.
My research mainly focuses on scalable uncertainty quantification in deep neural networks with applications in large computer vision problems. I am also interested in foundation models.
DPhil (PhD) in Machine Learning, 2019
University of Oxford
MSc in Computer Science, 2017-2018
University of Oxford
BE in Computer Science and Engineering, 2012-2016
Jadavpur University
We analyze and benchmark concept forgetting in foundation model fine-tuning and propose a simple fix to this phenomenon.
We propose a new benchmark for generating and evaluating different types of out-of-distribution samples given an in-distribution dataset.
A deterministic deep neural network with sensitivity and smoothness (bi-Lipschitz) constraints on its feature space can be used to quantify epistemic uncertainty from an estimate of density in feature space and aleatoric uncertainty from the entropy of its softmax distribution.
We propose a modified contrastive loss function which allows training an alignment between patch tokens of a vision encoder and text CLS token of CLIP like models. This loss allows for easy seamless transfer to semantic segmentation without requiring additional annotations.
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