collaborators

6 papers

cs.LG2025

On-the-Fly OVD Adaptation with FLAME: Few-shot Localization via Active Marginal-Samples Exploration

Yehonathan Refael, Amit Aides, Aviad Barzilai +5

Open-vocabulary object detection (OVD) models offer remarkable flexibility by detecting objects from arbitrary text queries. However, their zero-shot performance in specialized dom…

cs.CR2025

SLIP-SEC: Formalizing Secure Protocols for Model IP Protection

Racchit Jain, Satya Lokam, Yehonathan Refael +3

Large Language Models (LLMs) represent valuable intellectual property (IP), reflecting significant investments in training data, compute, and expertise. Deploying these models on p…

cs.LG2025

SUMO: Subspace-Aware Moment-Orthogonalization for Accelerating Memory-Efficient LLM Training

Yehonathan Refael, Guy Smorodinsky, Tom Tirer +1

Low-rank gradient-based optimization methods have significantly improved memory efficiency during the training of large language models (LLMs), enabling operations within constrain…

cs.CV2025

A Recipe for Improving Remote Sensing VLM Zero Shot Generalization

Aviad Barzilai, Yotam Gigi, Amr Helmy +6

Foundation models have had a significant impact across various AI applications, enabling use cases that were previously impossible. Contrastive Visual Language Models (VLMs), in pa…

cs.LG2025

LORENZA: Enhancing Generalization in Low-Rank Gradient LLM Training via Efficient Zeroth-Order Adaptive SAM

Yehonathan Refael, Iftach Arbel, Ofir Lindenbaum +1

We study robust parameter-efficient fine-tuning (PEFT) techniques designed to improve accuracy and generalization while operating within strict computational and memory hardware co…

cs.LG2024

FineGates: LLMs Finetuning with Compression using Stochastic Gates

Jonathan Svirsky, Yehonathan Refael, Ofir Lindenbaum

Large Language Models (LLMs), with billions of parameters, present significant challenges for full finetuning due to the high computational demands, memory requirements, and imprac…