research

Diffusion Model-based Image Synthesis

Point-based image editing

Representation Learning-based Semantic Segmentation

[CVPR'24], [PR'24]

Unsupervised semantic segmentation
Weakly supervised semantic segmentation

Parameter Efficient Tuning for Medical Images

Multi-scanner PET to PET reconstruction

Large Language Model for Medical Image Understanding

Model-user communication of CXR Image through Multi-modal LLM
Generating medical report based on input medical image

Multi-modal Medical Image Synthesis

[MICCAI'24a][MICCAI'24b][MICCAI'24c]

Text-to-medical image generation with reinforcement learning
CT-to-MRI translation
fMRI-to-Image translation

PAC-Bayesian Domain Adaption Bounds

[UAI'22 - Best Paper Award], [Findings'22]

PAC-Bayesian domain adaptation bounds for multiclass learners
Domain adaptation bound for domain shift in discourse parsing
Allows a non-uniform sample complexity with no sampling
Large-scale empirical analyses on CV and NLP datasets

Domain Generalization/Adaptation

[UAI'22], [IJCAI'22], [Findings'22], [arXiv'21], [ISBI'21]

Domain generalization on CV, NLP, and medical imaging problems

Brain Lesion Segmentation

[ISBI'22a], [ISBI'22b]

White matter hyperintensity (WMH) segmentation
Brain lesion detection under domain shift in multi-site neuroimaging datasets

Multi-site Neuroimaging Data Harmonization

[biorxiv'22], [NeuroImage'21], [ICCV-W'21], [arXiv'21], [ISBI'21],[MICCAI'24]

Harmonize multi-site/scanner neuroimaging data

PAC-Bayesian Performance Guarantee

[MICCAI'21]

Non-vacuous performance guarantee on skin cancer detection

Large-scale Video Analysis

[KDD'19]

Large-scale video annotation on YouTube-8M

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