activity
20202026
most citedDense Pixel-Labeling for Reverse-Transfer and Diagnostic Learning on Lung Ultrasound for COVID-19 and Pneumonia Detection

22 citations · 30 across the 14 of their papers we have counts for

collaborators

17 papers

cs.CV2026

Your Model Already Knows Don't Teach It, Learn to Ask It: Soft Prompting for Few-Shot Adaptation of Vision-Language Models

Gautam Rajendrakumar Gare, Siyi Li, Hewei Wang +5

We address few-shot object detection with vision-language models (VLMs) in out-of-domain settings such as aerial, industrial, and medical imagery, using only ten annotated images f…

cs.CV2026

Attributes Should Come from Images, Not Class Names: Distribution-Conditioned Attribute Selection for Vision-Language Models

Gautam Rajendrakumar Gare, Jia Shi, Zhiqiu Lin +3

A popular route to interpretable zero-shot classification asks a large language model (LLM) to describe each class name and prompts CLIP with the resulting descriptors. We show tha…

cs.CV2026

Ask Twice, Look Twice: Prompt Echoing Resolves the Question-First Paradox in Vision-Language Models

Rakshanda Hassan Abhinandan, John Galeotti, Deva Ramanan +1

Where should the question go in a vision-language model (VLM) prompt: before the image or after it? Intuition says before: knowing what is asked should tell the model where to look…

cs.AI2026

Do Real-World Datasets Contain Natural Experiments? An Empirical Study Using Causal Feature Selection

Gautam Gare, John Galeotti, Michael Mozer +2

In nature, events that affect some individuals or groups but not others constitute an implicit intervention and are known as natural experiments. For example, the COVID-19 pandemic…

eess.SP2026

Prognostic Value of Lung Ultrasound Biomarkers for Readmission Risk in Congestive Heart Failure: A Pilot Data-Driven Analysis

Jana Armouti, Laura Hutchins, Jacob Duplantis +12

Hospital readmission within 30 days of discharge is a leading driver of morbidity, mortality, and avoidable healthcare expenditure in congestive heart failure (CHF). Current clinic…

cs.CV2026

DetPO: In-Context Learning with Multi-Modal LLMs for Few-Shot Object Detection

Gautam Rajendrakumar Gare, Neehar Peri, Matvei Popov +3

Multi-Modal LLMs (MLLMs) demonstrate strong visual grounding capabilities on popular object detection benchmarks like OdinW-13 and RefCOCO. However, state-of-the-art models still s…

eess.IV2025

Label Uncertainty for Ultrasound Segmentation

Malini Shivaram, Gautam Rajendrakumar Gare, Laura Hutchins +11

In medical imaging, inter-observer variability among radiologists often introduces label uncertainty, particularly in modalities where visual interpretation is subjective. Lung ult…

cs.CV2025

Activation Reward Models for Few-Shot Model Alignment

Tianning Chai, Chancharik Mitra, Brandon Huang +8

Aligning Large Language Models (LLMs) and Large Multimodal Models (LMMs) to human preferences is a central challenge in improving the quality of the models' generative outputs for…

eess.IV2024

LEARNER: Contrastive Pretraining for Learning Fine-Grained Patient Progression from Coarse Inter-Patient Labels

Jana Armouti, Nikhil Madaan, Rohan Panda +8

Predicting whether a treatment leads to meaningful improvement is a central challenge in personalized medicine, particularly when disease progression manifests as subtle visual cha…

cs.LG2024★ 1 cited

LCA-on-the-Line: Benchmarking Out-of-Distribution Generalization with Class Taxonomies

Jia Shi, Gautam Gare, Jinjin Tian +6

We tackle the challenge of predicting models' Out-of-Distribution (OOD) performance using in-distribution (ID) measurements without requiring OOD data. Existing evaluations with "E…

cs.HC2024

Improving Model's Interpretability and Reliability using Biomarkers

Gautam Rajendrakumar Gare, Tom Fox, Beam Chansangavej +5

Accurate and interpretable diagnostic models are crucial in the safety-critical field of medicine. We investigate the interpretability of our proposed biomarker-based lung ultrasou…

eess.IV2022★ 1 cited

Learning Generic Lung Ultrasound Biomarkers for Decoupling Feature Extraction from Downstream Tasks

Gautam Rajendrakumar Gare, Tom Fox, Pete Lowery +9

Contemporary artificial neural networks (ANN) are trained end-to-end, jointly learning both features and classifiers for the task of interest. Though enormously effective, this par…

eess.IV2022★ 22 cited

Dense Pixel-Labeling for Reverse-Transfer and Diagnostic Learning on Lung Ultrasound for COVID-19 and Pneumonia Detection

Gautam Rajendrakumar Gare, Andrew Schoenling, Vipin Philip +4

We propose using a pre-trained segmentation model to perform diagnostic classification in order to achieve better generalization and interpretability, terming the technique reverse…

eess.IV2022★ 2 cited

The Role of Pleura and Adipose in Lung Ultrasound AI

Gautam Rajendrakumar Gare, Wanwen Chen, Alex Ling Yu Hung +8

In this paper, we study the significance of the pleura and adipose tissue in lung ultrasound AI analysis. We highlight their more prominent appearance when using high-frequency lin…

eess.IV2022★ 3 cited

Weakly Supervised Contrastive Learning for Better Severity Scoring of Lung Ultrasound

Gautam Rajendrakumar Gare, Hai V. Tran, Bennett P deBoisblanc +2

With the onset of the COVID-19 pandemic, ultrasound has emerged as an effective tool for bedside monitoring of patients. Due to this, a large amount of lung ultrasound scans have b…

cs.CV2021

Exploiting Class Similarity for Machine Learning with Confidence Labels and Projective Loss Functions

Gautam Rajendrakumar Gare, John Michael Galeotti

Class labels used for machine learning are relatable to each other, with certain class labels being more similar to each other than others (e.g. images of cats and dogs are more si…

eess.IV2020★ 1 cited

W-Net: Dense Semantic Segmentation of Subcutaneous Tissue in Ultrasound Images by Expanding U-Net to Incorporate Ultrasound RF Waveform Data

Gautam Rajendrakumar Gare, Jiayuan Li, Rohan Joshi +5

We present W-Net, a novel Convolution Neural Network (CNN) framework that employs raw ultrasound waveforms from each A-scan, typically referred to as ultrasound Radio Frequency (RF…