Search Results for author: Shantanu Ghosh

Found 7 papers, 5 papers with code

Exploring the Lottery Ticket Hypothesis with Explainability Methods: Insights into Sparse Network Performance

no code implementations7 Jul 2023 Shantanu Ghosh, Kayhan Batmanghelich

The discovered concepts and pixels from the pruned networks are inconsistent with the original network -- a possible reason for the drop in performance.

Dividing and Conquering a BlackBox to a Mixture of Interpretable Models: Route, Interpret, Repeat

1 code implementation7 Jul 2023 Shantanu Ghosh, Ke Yu, Forough Arabshahi, Kayhan Batmanghelich

ML model design either starts with an interpretable model or a Blackbox and explains it post hoc.

DR-VIDAL -- Doubly Robust Variational Information-theoretic Deep Adversarial Learning for Counterfactual Prediction and Treatment Effect Estimation on Real World Data

1 code implementation7 Mar 2023 Shantanu Ghosh, Zheng Feng, Jiang Bian, Kevin Butler, Mattia Prosperi

DR-VIDAL integrates: (i) a variational autoencoder (VAE) to factorize confounders into latent variables according to causal assumptions; (ii) an information-theoretic generative adversarial network (Info-GAN) to generate counterfactuals; (iii) a doubly robust block incorporating treatment propensities for outcome predictions.

counterfactual Generative Adversarial Network

Anatomy-Guided Weakly-Supervised Abnormality Localization in Chest X-rays

1 code implementation25 Jun 2022 Ke Yu, Shantanu Ghosh, Zhexiong Liu, Christopher Deible, Kayhan Batmanghelich

The critical component in our framework is an anatomy-guided attention module that aids the downstream observation network in focusing on the relevant anatomical regions generated by the anatomy network.

Anatomy Anomaly Detection

High Accuracy Classification of Parkinson's Disease through Shape Analysis and Surface Fitting in $^{123}$I-Ioflupane SPECT Imaging

no code implementations4 Mar 2017 R. Prashanth, Sumantra Dutta Roy, Pravat K. Mandal, Shantanu Ghosh

We use these features to develop and compare various classification models that can discriminate between scans showing dopaminergic deficit, as in PD, from scans without the deficit, as in healthy normal or SWEDD.

Feature Importance General Classification +1

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