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Recently, the emergence of diffusion models has opened up new opportunities for single-view reconstruction. However, all the existing methods represent the target object as a closed mesh devoid of any structural information, thus neglecting…

图形学 · 计算机科学 2024-05-28 Anran Liu , Cheng Lin , Yuan Liu , Xiaoxiao Long , Zhiyang Dou , Hao-Xiang Guo , Ping Luo , Wenping Wang

Current visual detectors, though impressive within their training distribution, often fail to parse out-of-distribution scenes into their constituent entities. Recent test-time adaptation methods use auxiliary self-supervised losses to…

Recent advances in data augmentation enable one to translate images by learning the mapping between a source domain and a target domain. Existing methods tend to learn the distributions by training a model on a variety of datasets, with…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Boyi Li , Yin Cui , Tsung-Yi Lin , Serge Belongie

In Test-time Adaptation (TTA), given a source model, the goal is to adapt it to make better predictions for test instances from a different distribution than the source. Crucially, TTA assumes no access to the source data or even any…

计算机视觉与模式识别 · 计算机科学 2022-09-08 Ansh Khurana , Sujoy Paul , Piyush Rai , Soma Biswas , Gaurav Aggarwal

Single-view 3D shape reconstruction is an important but challenging problem, mainly for two reasons. First, as shape annotation is very expensive to acquire, current methods rely on synthetic data, in which ground-truth 3D annotation is…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Pedro O. Pinheiro , Negar Rostamzadeh , Sungjin Ahn

Deep learning models often struggle with generalization when deploying on real-world data, due to the common distributional shift to the training data. Test-time adaptation (TTA) is an emerging scheme used at inference time to address this…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Mingxi Lei , Chunwei Ma , Meng Ding , Yufan Zhou , Ziyun Huang , Jinhui Xu

Reconstructing 3D face from a single unconstrained image remains a challenging problem due to diverse conditions in unconstrained environments. Recently, learning-based methods have achieved notable results by effectively capturing complex…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Danling Cao

Machine learning models struggle with generalization when encountering out-of-distribution (OOD) samples with unexpected distribution shifts. For vision tasks, recent studies have shown that test-time adaptation employing diffusion models…

计算机视觉与模式识别 · 计算机科学 2024-04-03 Yun-Yun Tsai , Fu-Chen Chen , Albert Y. C. Chen , Junfeng Yang , Che-Chun Su , Min Sun , Cheng-Hao Kuo

An unresolved problem in Deep Learning is the ability of neural networks to cope with domain shifts during test-time, imposed by commonly fixing network parameters after training. Our proposed method Meta Test-Time Training (MT3), however,…

计算机视觉与模式识别 · 计算机科学 2022-01-21 Alexander Bartler , Andre Bühler , Felix Wiewel , Mario Döbler , Bin Yang

Online test-time adaptation (OTTA) of vision-language models (VLMs) has recently garnered increased attention to take advantage of data observed along a stream to improve future predictions. Unfortunately, existing methods rely on…

计算机视觉与模式识别 · 计算机科学 2025-01-09 Clément Fuchs , Maxime Zanella , Christophe De Vleeschouwer

Audio-visual continual test-time adaptation involves continually adapting a source audio-visual model at test-time, to unlabeled non-stationary domains, where either or both modalities can be distributionally shifted, which hampers online…

机器学习 · 计算机科学 2026-02-24 Sarthak Kumar Maharana , Akshay Mehra , Bhavya Ramakrishna , Yunhui Guo , Guan-Ming Su

3D object reconstruction and multilevel segmentation are fundamental to computer vision research. Existing algorithms usually perform 3D scene reconstruction and target objects segmentation independently, and the performance is not fully…

计算机视觉与模式识别 · 计算机科学 2023-08-15 Jiexiong Xu , Weikun Zhao , Zhiyan Tang , Xiangchao Gan

This paper evaluates single-view mesh reconstruction models for their potential in enabling instant digital twin creation for real-time planning and dynamics prediction using physics simulators for robotic manipulation. Recent single-view…

机器人学 · 计算机科学 2025-08-12 Frederik Nolte , Andreas Geiger , Bernhard Schölkopf , Ingmar Posner

Test-time adaptation (TTA) of 3D point clouds is crucial for mitigating discrepancies between training and testing samples in real-world scenarios, particularly when handling corrupted point clouds. LiDAR data, for instance, can be affected…

计算机视觉与模式识别 · 计算机科学 2024-11-25 Hamidreza Dastmalchi , Aijun An , Ali Cheraghian , Shafin Rahman , Sameera Ramasinghe

Test-time adaptation (TTA) aims to fine-tune a trained model online using unlabeled testing data to adapt to new environments or out-of-distribution data, demonstrating broad application potential in real-world scenarios. However, in this…

机器学习 · 计算机科学 2024-12-24 Qi Deng , Shuaicheng Niu , Ronghao Zhang , Yaofo Chen , Runhao Zeng , Jian Chen , Xiping Hu

The performance of deep learning models depends heavily on test samples at runtime, and shifts from the training data distribution can significantly reduce accuracy. Test-time adaptation (TTA) addresses this by adapting models during…

机器学习 · 计算机科学 2026-02-03 Michal Danilowski , Soumyajit Chatterjee , Abhirup Ghosh

Despite the significant progress of fully-supervised video captioning, zero-shot methods remain much less explored. In this paper, we propose a novel zero-shot video captioning framework named Retrieval-Enhanced Test-Time Adaptation…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Yunchuan Ma , Laiyun Qing , Guorong Li , Yuankai Qi , Amin Beheshti , Quan Z. Sheng , Qingming Huang

Test-time adaptation (TTA) refers to adapting a trained model to a new domain during testing. Existing TTA techniques rely on having multiple test images from the same domain, yet this may be impractical in real-world applications such as…

计算机视觉与模式识别 · 计算机科学 2024-02-19 Haoyu Dong , Nicholas Konz , Hanxue Gu , Maciej A. Mazurowski

Recently, learning frameworks have shown the capability of inferring the accurate shape, pose, and texture of an object from a single RGB image. However, current methods are trained on image collections of a single category in order to…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Alessandro Simoni , Stefano Pini , Roberto Vezzani , Rita Cucchiara

There is some ambiguity in the 3D shape of an object when the number of observed views is small. Because of this ambiguity, although a 3D object reconstructor can be trained using a single view or a few views per object, reconstructed…

计算机视觉与模式识别 · 计算机科学 2019-04-01 Hiroharu Kato , Tatsuya Harada