activity
20152025
most citedFeature Selection using Stochastic Gates

40 citations · 137 across the 37 of their papers we have counts for

collaborators

41 papers

cs.SD2025

Provable Speech Attributes Conversion via Latent Independence

Jonathan Svirsky, Ofir Lindenbaum, Uri Shaham

Conditional generation and disentangled representation learning are central to controlled generation across audio, vision, and multimodal domains. However, despite strong empirical…

cs.CV2025

TempoControl: Temporal Attention Guidance for Text-to-Video Models

Shira Schiber, Ofir Lindenbaum, Idan Schwartz

Recent advances in generative video models have enabled the creation of high-quality videos based on natural language prompts. However, these models frequently lack fine-grained te…

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…

stat.ML2024

Generalizable and Robust Spectral Method for Multi-view Representation Learning

Amitai Yacobi, Ofir Lindenbaum, Uri Shaham

Multi-view representation learning (MvRL) has garnered substantial attention in recent years, driven by the increasing demand for applications that can effectively process and anal…

cs.CL2024★ 1 cited

TransformLLM: Adapting Large Language Models via LLM-Transformed Reading Comprehension Text

Iftach Arbel, Yehonathan Refael, Ofir Lindenbaum

Large Language Models (LLMs) have shown promise in highly-specialized domains, however challenges are still present in aspects of accuracy and costs. These limitations restrict the…

cs.LG2024

AdaRankGrad: Adaptive Gradient-Rank and Moments for Memory-Efficient LLMs Training and Fine-Tuning

Yehonathan Refael, Jonathan Svirsky, Boris Shustin +2

Training and fine-tuning large language models (LLMs) come with challenges related to memory and computational requirements due to the increasing size of the model weights and the…

cs.LG2024

Spectral Self-supervised Feature Selection

Daniel Segal, Ofir Lindenbaum, Ariel Jaffe

Choosing a meaningful subset of features from high-dimensional observations in unsupervised settings can greatly enhance the accuracy of downstream analysis, such as clustering or…

eess.AS2024

Sparse Binarization for Fast Keyword Spotting

Jonathan Svirsky, Uri Shaham, Ofir Lindenbaum

With the increasing prevalence of voice-activated devices and applications, keyword spotting (KWS) models enable users to interact with technology hands-free, enhancing convenience…

cs.LG2024

Unveiling Multiple Descents in Unsupervised Autoencoders

Kobi Rahimi, Yehonathan Refael, Tom Tirer +1

The phenomenon of double descent has challenged the traditional bias-variance trade-off in supervised learning but remains unexplored in unsupervised learning, with some studies ar…

cs.CL2024

Knowledge Editing in Language Models via Adapted Direct Preference Optimization

Amit Rozner, Barak Battash, Lior Wolf +1

Large Language Models (LLMs) can become outdated over time as they may lack updated world knowledge, leading to factual knowledge errors and gaps. Knowledge Editing (KE) aims to ov…

eess.IV2024

SEL-CIE: Knowledge-Guided Self-Supervised Learning Framework for CIE-XYZ Reconstruction from Non-Linear sRGB Images

Shir Barzel, Moshe Salhov, Ofir Lindenbaum +1

Modern cameras typically offer two types of image states: a minimally processed linear raw RGB image representing the raw sensor data, and a highly-processed non-linear image state…

cs.CV2024

Obtaining Favorable Layouts for Multiple Object Generation

Barak Battash, Amit Rozner, Lior Wolf +1

Large-scale text-to-image models that can generate high-quality and diverse images based on textual prompts have shown remarkable success. These models aim ultimately to create com…

cs.LG2024

Self Supervised Correlation-based Permutations for Multi-View Clustering

Ran Eisenberg, Jonathan Svirsky, Ofir Lindenbaum

Combining data from different sources can improve data analysis tasks such as clustering. However, most of the current multi-view clustering methods are limited to specific domains…

cs.LG2023★ 1 cited

Gappy local conformal auto-encoders for heterogeneous data fusion: in praise of rigidity

Erez Peterfreund, Iryna Burak, Ofir Lindenbaum +4

Fusing measurements from multiple, heterogeneous, partial sources, observing a common object or process, poses challenges due to the increasing availability of numbers and types of…

cs.CV2023

Efficient Verification-Based Face Identification

Amit Rozner, Barak Battash, Ofir Lindenbaum +1

We study the problem of performing face verification with an efficient neural model . The efficiency of stems from simplifying the face verification problem from an embeddin…

cs.LG2023

TabADM: Unsupervised Tabular Anomaly Detection with Diffusion Models

Guy Zamberg, Moshe Salhov, Ofir Lindenbaum +1

Tables are an abundant form of data with use cases across all scientific fields. Real-world datasets often contain anomalous samples that can negatively affect downstream analysis.…

cs.LG2023★ 1 cited

Interpretable Deep Clustering for Tabular Data

Jonathan Svirsky, Ofir Lindenbaum

Clustering is a fundamental learning task widely used as a first step in data analysis. For example, biologists use cluster assignments to analyze genome sequences, medical records…

cs.LG2023

Anomaly Detection with Variance Stabilized Density Estimation

Amit Rozner, Barak Battash, Henry Li +2

We propose a modified density estimation problem that is highly effective for detecting anomalies in tabular data. Our approach assumes that the density function is relatively stab…

cs.LG2023

Multi-modal Differentiable Unsupervised Feature Selection

Junchen Yang, Ofir Lindenbaum, Yuval Kluger +1

Multi-modal high throughput biological data presents a great scientific opportunity and a significant computational challenge. In multi-modal measurements, every sample is observed…

cs.LG2023

Revisiting the Noise Model of Stochastic Gradient Descent

Barak Battash, Ofir Lindenbaum

The stochastic gradient noise (SGN) is a significant factor in the success of stochastic gradient descent (SGD). Following the central limit theorem, SGN was initially modeled as G…

cs.LG2023★ 1 cited

Domain-Generalizable Multiple-Domain Clustering

Amit Rozner, Barak Battash, Lior Wolf +1

This work generalizes the problem of unsupervised domain generalization to the case in which no labeled samples are available (completely unsupervised). We are given unlabeled samp…

eess.AS2022

SG-VAD: Stochastic Gates Based Speech Activity Detection

Jonathan Svirsky, Ofir Lindenbaum

We propose a novel voice activity detection (VAD) model in a low-resource environment. Our key idea is to model VAD as a denoising task, and construct a network that is designed to…

cs.LG2022★ 1 cited

Imbalanced Classification via a Tabular Translation GAN

Jonathan Gradstein, Moshe Salhov, Yoav Tulpan +2

When presented with a binary classification problem where the data exhibits severe class imbalance, most standard predictive methods may fail to accurately model the minority class…