Search Results for author: Shai Dekel

Found 10 papers, 2 papers with code

Reverse Engineering Self-Supervised Learning

1 code implementation NeurIPS 2023 Ido Ben-Shaul, Ravid Shwartz-Ziv, Tomer Galanti, Shai Dekel, Yann Lecun

Self-supervised learning (SSL) is a powerful tool in machine learning, but understanding the learned representations and their underlying mechanisms remains a challenge.

Clustering Representation Learning +1

Numerical Methods For PDEs Over Manifolds Using Spectral Physics Informed Neural Networks

no code implementations10 Feb 2023 Yuval Zelig, Shai Dekel

We provide proofs of our method for the heat equation on the interval and examples of unique network architectures that are adapted to nonlinear equations on the sphere and the torus.

Exploring the Approximation Capabilities of Multiplicative Neural Networks for Smooth Functions

no code implementations11 Jan 2023 Ido Ben-Shaul, Tomer Galanti, Shai Dekel

Multiplication layers are a key component in various influential neural network modules, including self-attention and hypernetwork layers.

PR-DAD: Phase Retrieval Using Deep Auto-Decoders

1 code implementation18 Apr 2022 Leon Gugel, Shai Dekel

Phase retrieval is a well known ill-posed inverse problem where one tries to recover images given only the magnitude values of their Fourier transform as input.

Retrieval

Nearest Class-Center Simplification through Intermediate Layers

no code implementations21 Jan 2022 Ido Ben-Shaul, Shai Dekel

Recent advances in theoretical Deep Learning have introduced geometric properties that occur during training, past the Interpolation Threshold -- where the training error reaches zero.

Language Modelling

Sparsity-Probe: Analysis tool for Deep Learning Models

no code implementations14 May 2021 Ido Ben-Shaul, Shai Dekel

We propose a probe for the analysis of deep learning architectures that is based on machine learning and approximation theoretical principles.

BIG-bench Machine Learning

Wavelet Decomposition of Gradient Boosting

no code implementations7 May 2018 Shai Dekel, Oren Elisha, Ohad Morgan

In this paper we introduce a significant improvement to the popular tree-based Stochastic Gradient Boosting algorithm using a wavelet decomposition of the trees.

Function space analysis of deep learning representation layers

no code implementations9 Oct 2017 Oren Elisha, Shai Dekel

In this paper we propose a function space approach to Representation Learning and the analysis of the representation layers in deep learning architectures.

Clustering Representation Learning

Machine olfaction using time scattering of sensor multiresolution graphs

no code implementations13 Feb 2016 Leonid Gugel, Yoel Shkolnisky, Shai Dekel

In this paper we construct a learning architecture for high dimensional time series sampled by sensor arrangements.

BIG-bench Machine Learning Time Series +1

Adaptive Compressed Tomography Sensing

no code implementations CVPR 2013 Oren Barkan, Jonathan Weill, Amir Averbuch, Shai Dekel

One of the main challenges in Computed Tomography (CT) is how to balance between the amount of radiation the patient is exposed to during scan time and the quality of the CT image.

Computed Tomography (CT)

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