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作者

Alexei A. Efros

Computer Vision

共收录 117
2609.07939 2026-09-09 cs.CV 新提交

Bottom-up Modeling of Repeated Elements via Single Image Analysis-by-Synthesis

基于单图像分析合成自底向上的重复元素建模

Syrine Kalleli, Alexei A. Efros, Mathieu Aubry

机构 * LIGM(LIGM机构) CNRS(法国国家科学研究中心) Univ Gustave Eiffel(古斯塔夫·埃菲尔大学) ENPC(法国国立路桥学校) Institut Polytechnique de Paris(巴黎综合理工学院) UC Berkeley(加州大学伯克利分校)

AI总结 本文提出一种自底向上的单图像重复元素发现方法,通过重建目标学习可调原型,无需标注或分割,在FSC-147上验证了其有效性与可解释性。

Comments Accepted to ECCV 2026. Project page: https://vayvi.github.io/repeated-elements/

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2609.02748 2026-09-03 cs.CV 新提交

Balancing Frequencies and Pixels in Flow Matching

在流匹配中平衡频率与像素

Lucas Degeorge, Paul Couairon, Arijit Ghosh, Alexei A. Efros, David Picard, Vicky Kalogeiton

机构 * École Polytechnique(巴黎综合理工学院) CNRS(法国国家科学研究中心) IP Paris(巴黎理工学院) AMIAD École Nationale des Ponts et Chaussées(巴黎路桥学院) UGE(巴黎第八大学) UC Berkeley(加州大学伯克利分校)

AI总结 本研究针对像素空间流模型训练的频谱失衡问题,提出Focal Log-Frequency Loss(f-loss),结合频率与像素监督的训练策略,可将流匹配收敛速度提升最高40%,同时改善FID和感知保真度。

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2607.18237 2026-08-18 cs.CV cs.LG 版本更新

The Many Senses of Visual Similarity: A Text-Prompted Image Perceptual Metric

视觉相似性的多种意义:一种文本提示的图像感知度量

Sheng-Yu Wang, Yotam Nitzan, Aaron Hertzmann, Jun-Yan Zhu, Eli Shechtman, Alexei A. Efros, Richard Zhang

AI总结 研究人类视觉相似性判断的上下文依赖问题,通过引入大规模数据集微调VLM,产生能捕捉多种视觉相似性意义的TPIPS度量,该度量与人类感知更契合,还在多种任务中开启新功能。

Comments Project Webpage: https://peterwang512.github.io/TPIPS Code: https://github.com/adobe-research/TPIPS

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2607.14645 2026-07-21 cs.CV 版本更新

Autoregressive Modeling of Film with Applications in Video Montage

电影的自回归建模及其在视频蒙太奇中的应用

Marcelo Sandoval-Castañeda, Fabian Caba Heilbron, Shiry Ginosar, Bryan Russell, Josef Sivic, Alexei A. Efros, Greg Shakhnarovich

机构 * TTI-Chicago(芝加哥丰田理工学院) Adobe(奥多比公司) Czech Institute of Informatics, Robotics and Cybernetics, Czech Technical University(捷克技术大学捷克信息学、机器人学与控制论研究所) UC Berkeley(加州大学伯克利分校)

AI总结 研究针对视频蒙太奇挑战,提出FilmGPT自回归Transformer,通过在电影语料库训练捕捉电影“语法”,推理时用镜头约束解码算法选最佳镜头,在镜头预测和电影编辑任务中表现出色,还适用于多种视频蒙太奇应用。

Journal ref SIGGRAPH Conference Papers '26, Article 129, 1-11, ACM, 2026

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2606.20536 2026-06-19 cs.CV 新提交

The FID Lottery: Quantifying Hidden Randomness in Generative-Model Evaluation

FID 彩票:量化生成模型评估中的隐藏随机性

Nicolas Dufour, Alexei A. Efros, Patrick Pérez

机构 * Kyutai UC Berkeley(加州大学伯克利分校)

AI总结 研究FID作为随机变量在训练和生成种子上的方差,发现重训练比重采样导致更大FID波动,提出新评估协议:使用每类最优引导、报告多个训练种子的误差条。

Comments Website: https://kyutai.org/fid-lottery

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2606.03990 2026-06-03 cs.LG cs.CL cs.CV

Neuron Populations Exhibit Divergent Selectivity with Scale

神经元群体随规模表现出分化的选择性

Amil Dravid, Yasaman Bahri, Alexei A. Efros, Yossi Gandelsman

机构 * UC Berkeley(加州大学伯克利分校) TTIC

AI总结 通过分析Rosetta神经元在不同规模模型中的分布与特性,发现其数量遵循次线性幂律增长,且选择性随规模增强,而非Rosetta神经元则保持低选择性,提出一个平衡特征效用与神经元容量的分析模型解释这一极化现象。

Comments Project page and code: https://avdravid.github.io/rosetta-neuron-scaling/

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2604.18572 2026-06-03 cs.CV cs.AI cs.LG

Back into Plato's Cave: Examining Cross-modal Representational Convergence at Scale

回到柏拉图的洞穴:大规模检验跨模态表示收敛性

A. Sophia Koepke, Daniil Zverev, Shiry Ginosar, Alexei A. Efros

机构 * UC Berkeley(伯克利大学) Technical University Munich, MCML(慕尼黑技术大学) University of Tübingen, Tübingen AI Center(图宾根大学) Toyota Technical Institute at Chicago(芝加哥丰田技术研究所)

AI总结 本文通过大规模数据集实验,质疑了柏拉图表示假说中跨模态表示收敛的证据,发现对齐度随数据规模增大而显著下降,且仅反映粗粒度语义重叠。

Comments Project page: http://akoepke.github.io/cave_umwelten/

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2601.00090 2026-05-04 cs.CV cs.LG

It's Never Too Late: Noise Optimization for Collapse Recovery in Trained Diffusion Models

迟到也不晚:通过噪声优化在训练好的扩散模型中恢复崩溃

Anne Harrington, A. Sophia Koepke, Shyamgopal Karthik, Trevor Darrell, Alexei A. Efros

机构 * UC Berkeley(加州大学伯克利分校) University of Tübingen, Tübingen AI Center(图宾根大学,图宾根人工智能中心) TU Munich, MCML(慕尼黑工业大学,MCML)

AI总结 本文通过噪声优化提升扩散模型生成多样性,减少模式崩溃,同时保持基础模型的保真度。

Comments CVPR 2026. Project page at https://akoepke.github.io/divgen/index.html

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2511.10721 2025-11-17 cs.CV cs.LG

Fast Data Attribution for Text-to-Image Models

Sheng-Yu Wang, Aaron Hertzmann, Alexei A Efros, Richard Zhang, Jun-Yan Zhu

机构 * Carnegie Mellon University(卡内基梅隆大学) Adobe Research(Adobe研究) UC Berkeley(伯克利大学)

Comments NeurIPS 2025 camera ready. Project page: https://peterwang512.github.io/FastGDA

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2506.08010 2025-10-28 cs.CV cs.AI

Vision Transformers Don't Need Trained Registers

Nick Jiang, Amil Dravid, Alexei Efros, Yossi Gandelsman

机构 * UC Berkeley(伯克利大学)

Comments Project page and code: https://avdravid.github.io/test-time-registers. Accepted to NeurIPS '25 (spotlight)

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2507.02864 2025-09-23 cs.RO cs.CV

The Sound of Simulation: Learning Multimodal Sim-to-Real Robot Policies with Generative Audio

Renhao Wang, Haoran Geng, Tingle Li, Feishi Wang, Gopala Anumanchipalli, Trevor Darrell, Boyi Li, Pieter Abbeel, Jitendra Malik, Alexei A. Efros

机构 * University of California, Berkeley(加州大学伯克利分校)

Comments Conference on Robot Learning 2025

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2410.04201 2025-05-27 cs.CV

IT$^3$: Idempotent Test-Time Training

Nikita Durasov, Assaf Shocher, Doruk Oner, Gal Chechik, Alexei A. Efros, Pascal Fua

Comments Accepted at ICML 2025

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2410.18082 2025-05-12 cs.LG

Prioritized Generative Replay

Renhao Wang, Kevin Frans, Pieter Abbeel, Sergey Levine, Alexei A. Efros

机构 * Department of Electrical Engineering and Computer Science(电气工程与计算机科学系) University of California, Berkeley(加州大学伯克利分校)

Comments Project page available at: https://pgenreplay.github.io

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2401.14391 2025-04-11 cs.CV

Rethinking Patch Dependence for Masked Autoencoders

Letian Fu, Long Lian, Renhao Wang, Baifeng Shi, Xudong Wang, Adam Yala, Trevor Darrell, Alexei A. Efros, Ken Goldberg

机构 * UC Berkeley(加州大学伯克利分校) UCSF(加州大学旧金山分校)

Comments Transactions on Machine Learning Research (TMLR) 2025

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2503.21770 2025-03-28 cs.CV

Visual Jenga: Discovering Object Dependencies via Counterfactual Inpainting

Anand Bhattad, Konpat Preechakul, Alexei A. Efros

机构 * Toyota Technological Institute at Chicago(芝加哥丰田技术学院) University of California, Berkeley(加利福尼亚大学伯克利分校)

Comments project page: https://visualjenga.github.io/

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2406.09408 2025-02-21 cs.CV cs.LG

Data Attribution for Text-to-Image Models by Unlearning Synthesized Images

Sheng-Yu Wang, Aaron Hertzmann, Alexei A. Efros, Jun-Yan Zhu, Richard Zhang

机构 * Carnegie Mellon University(卡内基梅隆大学) Adobe Research(奥多比研究院) UC Berkeley(加州大学伯克利分校)

Comments NeurIPS 2024 camera ready version. Project page: https://peterwang512.github.io/AttributeByUnlearning Code: https://github.com/PeterWang512/AttributeByUnlearning

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2406.04341 2025-02-14 cs.CV

Interpreting the Second-Order Effects of Neurons in CLIP

Yossi Gandelsman, Alexei A. Efros, Jacob Steinhardt

机构 * UC Berkeley(加州大学伯克利分校)

Comments project page: https://yossigandelsman.github.io/clip_neurons/index.html

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2501.12390 2025-01-23 cs.CV

GPS as a Control Signal for Image Generation

Chao Feng, Ziyang Chen, Aleksander Holynski, Alexei A. Efros, Andrew Owens

机构 * University of Michigan(密歇根大学) UC Berkeley(加州大学伯克利分校)

Comments Project page: https://cfeng16.github.io/gps-gen/

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2501.12387 2025-01-22 cs.CV

Continuous 3D Perception Model with Persistent State

Qianqian Wang, Yifei Zhang, Aleksander Holynski, Alexei A. Efros, Angjoo Kanazawa

机构 * University of California, Berkeley(加州大学伯克利分校) Google DeepMind(谷歌DeepMind)

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2307.05014 2025-01-07 cs.CV cs.LG

Test-Time Training on Video Streams

Renhao Wang, Yu Sun, Arnuv Tandon, Yossi Gandelsman, Xinlei Chen, Alexei A. Efros, Xiaolong Wang

机构 * UC Berkeley(加州大学伯克利分校) Stanford University(斯坦福大学) Meta AI UC San Diego(加州大学圣迭戈分校)

Comments Project website with videos, dataset and code: https://test-time-training.github.io/video

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2401.10889 2024-12-23 cs.CV cs.AI

Synthesizing Moving People with 3D Control

Boyi Li, Junming Chen, Jathushan Rajasegaran, Yossi Gandelsman, Alexei A. Efros, Jitendra Malik

机构 * UC Berkeley(加州大学伯克利分校)

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2406.09417 2024-12-12 cs.CV cs.GR cs.LG

Rethinking Score Distillation as a Bridge Between Image Distributions

David McAllister, Songwei Ge, Jia-Bin Huang, David W. Jacobs, Alexei A. Efros, Aleksander Holynski, Angjoo Kanazawa

机构 * UC Berkeley(加州大学伯克利分校) University of Maryland(马里兰大学)

Comments NeurIPS 2024. Project webpage: https://sds-bridge.github.io/

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2405.10320 2024-12-11 cs.CV

Toon3D: Seeing Cartoons from New Perspectives

Ethan Weber, Riley Peterlinz, Rohan Mathur, Frederik Warburg, Alexei A. Efros, Angjoo Kanazawa

机构 * UC Berkeley(加州大学伯克利分校)

Comments Please see our project page: https://toon3d.studio

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2406.09413 2024-11-25 cs.CV cs.GR cs.LG

Interpreting the Weight Space of Customized Diffusion Models

Amil Dravid, Yossi Gandelsman, Kuan-Chieh Wang, Rameen Abdal, Gordon Wetzstein, Alexei A. Efros, Kfir Aberman

机构 * UC Berkeley(加州大学伯克利分校) Snap Inc.(Snap公司) Stanford University(斯坦福大学)

Comments Project Page: https://snap-research.github.io/weights2weights

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2409.05862 2024-09-11 cs.CV

Evaluating Multiview Object Consistency in Humans and Image Models

Tyler Bonnen, Stephanie Fu, Yutong Bai, Thomas O'Connell, Yoni Friedman, Nancy Kanwisher, Joshua B. Tenenbaum, Alexei A. Efros

机构 * University of California, Berkeley(加利福尼亚大学伯克利分校) Massachusetts Institute of Technology(麻省理工学院)

Comments Project page: https://tzler.github.io/MOCHI/ Code: https://github.com/tzler/mochi_code Huggingface dataset: https://huggingface.co/datasets/tzler/MOCHI

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2408.02752 2024-08-07 cs.CV cs.AI

Diffusion Models as Data Mining Tools

Ioannis Siglidis, Aleksander Holynski, Alexei A. Efros, Mathieu Aubry, Shiry Ginosar

机构 * Ecole des Ponts(巴黎路桥学院) Univ Gustave Eiffel(Gustave Eiffel大学) CNRS(法国国家科学研究中心) University of California, Berkeley(加州大学伯克利分校)

Comments Project Page: https://diff-mining.github.io/ Accepted in ECCV 2024

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2312.07504 2024-07-31 cs.CV

COLMAP-Free 3D Gaussian Splatting

Yang Fu, Sifei Liu, Amey Kulkarni, Jan Kautz, Alexei A. Efros, Xiaolong Wang

机构 * UC San Deigo(加州大学圣地亚哥分校) NVIDIA(英伟达公司) UC Berkeley(加州大学伯克利分校)

Comments Project Page: https://oasisyang.github.io/colmap-free-3dgs

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2310.05916 2024-04-01 cs.CV cs.AI

Interpreting CLIP's Image Representation via Text-Based Decomposition

Yossi Gandelsman, Alexei A. Efros, Jacob Steinhardt

机构 * UC Berkeley(加州大学伯克利分校)

Comments Project page and code: https://yossigandelsman.github.io/clip_decomposition/

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2402.16936 2024-02-28 cs.CV cs.LG

Disentangled 3D Scene Generation with Layout Learning

Dave Epstein, Ben Poole, Ben Mildenhall, Alexei A. Efros, Aleksander Holynski

机构 * UC Berkeley(加州大学伯克利分校) Google Research(谷歌研究院)

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2307.05473 2023-12-27 cs.CV

Differentiable Blocks World: Qualitative 3D Decomposition by Rendering Primitives

Tom Monnier, Jake Austin, Angjoo Kanazawa, Alexei A. Efros, Mathieu Aubry

机构 * LIGM, Ecole des Ponts, Univ Gustave Eiffel(LIGM,巴黎高科桥梁学校,古斯塔夫·埃菲尔大学) UC Berkeley(加州大学伯克利分校)

Comments Project webpage with code and videos: https://www.tmonnier.com/DBW. V2 update includes comparisons based on NeuS, hyperparameter analysis and failure cases

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