Yotam Nitzan

I am a Ph.D. student in Computer Science at Tel-Aviv Univeristy, advised by Prof. Daniel Cohen-Or. My research interests are machine learning, computer vision and computer graphics.

I'm currently interning at Google Research working with Kfir Aberman.

Previously, I received M.Sc. (summa cum laude) in Computer Science from Tel-Aviv Univeristy and B.Sc. (cum laude) in Applied Mathematics from Bar-Ilan University.

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Research

LARGE: Latent-Based Regression through GAN Semantics
Yotam Nitzan*, Rinon Gal*, Ofri Brenner, Daniel Cohen-Or
arXiv, 2021
arXiv / code

We propose a novel method for solving regression tasks using few-shot or weak supervision. At the core of our method is the observation that the distance of a latent code from a semantic hyperplane is roughly linearly correlated with the magnitude of the said semantic property in the image corresponding to the latent code.

Designing an Encoder for StyleGAN Image Manipulation
Omer Tov, Yuval Alaluf, Yotam Nitzan, Or Patashnik, Daniel Cohen-Or
SIGGRAPH, 2021
arXiv / code

We identify the existence of distortion-editability and distortion-perception tradeoffs within the StyleGAN latent space on inverted images. Accordingly, we suggest two principles for designing encoders that are suitable for facilitating editing on real images by balancing these tradeoffs.

Encoding in Style: a StyleGAN Encoder for Image-to-Image Translation
Elad Richardson, Yuval Alaluf, Or Patashnik, Yotam Nitzan, Yaniv Azar, Stav Shapiro, Daniel Cohen-Or
CVPR, 2021
project page / arXiv / code

A generic image-to-image framework, based on an encoder that directly maps into the latent space of a pretrained generator, StyleGAN2.

Face Identity Disentanglement via Latent Space Mapping
Yotam Nitzan, Amit Bermano, Yangyan Li, Daniel Cohen-Or
SIGGRAPH Asia, 2020
project page / arXiv / code

We propose to disentangle identity from other facial attributes by mapping directly into the latent space of a pretrained generator, StyleGAN.


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