About Me

I am a PhD student at HUJI Machine Perception Group, supervised by Dr. Yedid Hoshen.
The focus of my research is representation learning, particularly for anomaly detection and semi-supervised disentanglement.

My personal site with some riddles and more.

Selected Publications

• Set Features for Fine-grained Anomaly Detection
  Niv Cohen, Issar Tzachor, Yedid Hoshen
  arXiv, 2023.
  
[arXiv] [GitHub]



• Red PANDA: Disambiguating Anomaly Detection by Removing Nuisance Factors
  Niv Cohen, Jonathan Kahana, Yedid Hoshen
  The International Conference on Learning Representations (ICLR), 2023
  
[arXiv] [GitHub]



• Dataset Summarization by K Principal Concepts
  Niv Cohen and Yedid Hoshen
  arXiv, 2022. [arXiv]



• "This is my unicorn, Fluffy": Personalizing frozen vision-language representations
  Niv Cohen, Rinon Gal, Eli A Meirom, Gal Chechik, Yuval Atzmon
  European Conference on Computer Vision (ECCV), 2022. Oral Presentation.
  
[arXiv] [GitHub]



• Chip-scale atomic wave-meter enabled by machine learning
  Eitan Edrei, Niv Cohen, Elam Gerstel, Shani Gamzu-Letova, Noa Mazurski, Uriel Levy
  Science Advances, 2022.
  [science.org]



• An Image is Worth More Than a Thousand Words: Towards Disentanglement in the Wild
  Aviv Gabbay, Niv Cohen and Yedid Hoshen
  Advances in Neural Information Processing Systems (NeurIPS), 2021.
  [arXiv] [Project page] [GitHub]



• PANDA: Adapting Pretrained Features for Anomaly Detection and Segmentation
  Tal Reiss*, Niv Cohen*, Liron Bergman and Yedid Hoshen
  Conference on Computer Vision and Pattern Recognition (CVPR), 2021.
  [arXiv] [GitHub]
  

Education

• PhD, Computer Science @ Hebrew University of Jerusalem, Israel | 2019 - Present
• MSc, Physics @ Technion - Israel Institute of Technology, Israel | 2015 - 2016
• BSc, Physics and Mathematics @ Technion - Israel Institute of Technology, Israel | 2011 - 2014

Experience

• Research Intern @ Nvidia Research | Tel Aviv, Israel | 2022
• Member of the Academic Committee for Theoretical Questions @ IPhO 2019 | Tel Aviv, Israel | 2018 - 2019
• Quantative Researcher @ WorldQuant | Ramat Gan, Israel | 2017 - 2019