Search Results for author: Itai Lang

Found 10 papers, 9 papers with code

3D Paintbrush: Local Stylization of 3D Shapes with Cascaded Score Distillation

1 code implementation16 Nov 2023 Dale Decatur, Itai Lang, Kfir Aberman, Rana Hanocka

In this work we develop 3D Paintbrush, a technique for automatically texturing local semantic regions on meshes via text descriptions.

3D Highlighter: Localizing Regions on 3D Shapes via Text Descriptions

1 code implementation CVPR 2023 Dale Decatur, Itai Lang, Rana Hanocka

A key feature of our system is the ability to interpret "out-of-domain" localizations.

SCOOP: Self-Supervised Correspondence and Optimization-Based Scene Flow

1 code implementation CVPR 2023 Itai Lang, Dror Aiger, Forrester Cole, Shai Avidan, Michael Rubinstein

Scene flow estimation is a long-standing problem in computer vision, where the goal is to find the 3D motion of a scene from its consecutive observations.

regression Scene Flow Estimation

SAGA: Spectral Adversarial Geometric Attack on 3D Meshes

1 code implementation ICCV 2023 Tomer Stolik, Itai Lang, Shai Avidan

In this setting, an adversarial input mesh deceives the autoencoder by forcing it to reconstruct a different geometric shape at its output.

Adversarial Attack

DPC: Unsupervised Deep Point Correspondence via Cross and Self Construction

1 code implementation16 Oct 2021 Itai Lang, Dvir Ginzburg, Shai Avidan, Dan Raviv

We present a new method for real-time non-rigid dense correspondence between point clouds based on structured shape construction.

3D Dense Shape Correspondence

Geometric Adversarial Attacks and Defenses on 3D Point Clouds

1 code implementation10 Dec 2020 Itai Lang, Uriel Kotlicki, Shai Avidan

Additionally, we demonstrate the robustness of our attack in the case of defense, where we show that remnant characteristics of the target shape are still present at the output after applying the defense to the adversarial input.

Adversarial Attack Adversarial Defense

Co-occurrence Based Texture Synthesis

1 code implementation17 May 2020 Anna Darzi, Itai Lang, Ashutosh Taklikar, Hadar Averbuch-Elor, Shai Avidan

As image generation techniques mature, there is a growing interest in explainable representations that are easy to understand and intuitive to manipulate.

Generative Adversarial Network Image Generation +3

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