Search Results for author: Ruojin Cai

Found 6 papers, 6 papers with code

Extreme Rotation Estimation using Dense Correlation Volumes

1 code implementation CVPR 2021 Ruojin Cai, Bharath Hariharan, Noah Snavely, Hadar Averbuch-Elor

We present a technique for estimating the relative 3D rotation of an RGB image pair in an extreme setting, where the images have little or no overlap.

Feature Correlation

Neural Scene Chronology

1 code implementation CVPR 2023 Haotong Lin, Qianqian Wang, Ruojin Cai, Sida Peng, Hadar Averbuch-Elor, Xiaowei Zhou, Noah Snavely

Specifically, we represent the scene as a space-time radiance field with a per-image illumination embedding, where temporally-varying scene changes are encoded using a set of learned step functions.

Doppelgangers: Learning to Disambiguate Images of Similar Structures

1 code implementation ICCV 2023 Ruojin Cai, Joseph Tung, Qianqian Wang, Hadar Averbuch-Elor, Bharath Hariharan, Noah Snavely

Our evaluation shows that our method can distinguish illusory matches in difficult cases, and can be integrated into SfM pipelines to produce correct, disambiguated 3D reconstructions.

3D Reconstruction Binary Classification

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