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Related papers: Video Test-Time Adaptation for Action Recognition

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The assumption that training and testing samples are generated from the same distribution does not always hold for real-world machine-learning applications. The procedure of tackling this discrepancy between the training (source) and…

Machine Learning · Computer Science 2018-12-05 Debasmit Das , C. S. George Lee

We consider the problem of improving the human instance segmentation mask quality for a given test image using keypoints estimation. We compare two alternative approaches. The first approach is a test-time adaptation (TTA) method, where we…

Computer Vision and Pattern Recognition · Computer Science 2022-12-14 Kambiz Azarian , Debasmit Das , Hyojin Park , Fatih Porikli

Face analysis has been studied from different angles to infer emotion, poses, shapes, and landmarks. Traditionally RGB cameras are used, yet for fine-grained tasks standard sensors might not be up to the task due to their latency, making it…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Luca Cultrera , Federico Becattini , Lorenzo Berlincioni , Claudio Ferrari , Alberto Del Bimbo

Feature alignment is an approach to improving robustness to distribution shift that matches the distribution of feature activations between the training distribution and test distribution. A particularly simple but effective approach to…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Collin Burns , Jacob Steinhardt

Test-time adaptation (TTA) aims to adapt a pre-trained model to the target domain in a batch-by-batch manner during inference. While label distributions often exhibit imbalances in real-world scenarios, most previous TTA approaches…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Sunghyun Park , Seunghan Yang , Jaegul Choo , Sungrack Yun

A robot's deployment environment often involves perceptual changes that differ from what it has experienced during training. Standard practices such as data augmentation attempt to bridge this gap by augmenting source images in an effort to…

Machine Learning · Computer Science 2022-05-18 Takuma Yoneda , Ge Yang , Matthew R. Walter , Bradly Stadie

We present a motion-adaptive temporal attention mechanism for parameter-efficient video generation built upon frozen Stable Diffusion models. Rather than treating all video content uniformly, our method dynamically adjusts temporal…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Rui Hong , Shuxue Quan

Test-Time Adaptation (TTA) addresses distribution shifts during testing by adapting a pretrained model without access to source data. In this work, we propose a novel TTA approach for 3D point cloud classification, combining sampling…

This article presents a comprehensive survey of online test-time adaptation (OTTA), focusing on effectively adapting machine learning models to distributionally different target data upon batch arrival. Despite the recent proliferation of…

Artificial Intelligence · Computer Science 2024-07-19 Zixin Wang , Yadan Luo , Liang Zheng , Zhuoxiao Chen , Sen Wang , Zi Huang

Real-world vision tasks frequently suffer from the appearance of unexpected adverse weather conditions, including rain, haze, snow, and raindrops. In the last decade, convolutional neural networks and vision transformers have yielded…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Yijun Yang , Hongtao Wu , Angelica I. Aviles-Rivero , Yulun Zhang , Jing Qin , Lei Zhu

Research in human action recognition has accelerated significantly since the introduction of powerful machine learning tools such as Convolutional Neural Networks (CNNs). However, effective and efficient methods for incorporation of…

Computer Vision and Pattern Recognition · Computer Science 2018-03-21 Jinliang Zang , Le Wang , Ziyi Liu , Qilin Zhang , Zhenxing Niu , Gang Hua , Nanning Zheng

Pixel space augmentation has grown in popularity in many Deep Learning areas, due to its effectiveness, simplicity, and low computational cost. Data augmentation for videos, however, still remains an under-explored research topic, as most…

Computer Vision and Pattern Recognition · Computer Science 2022-11-10 Artjoms Gorpincenko , Michal Mackiewicz

Action recognition in videos has attracted a lot of attention in the past decade. In order to learn robust models, previous methods usually assume videos are trimmed as short sequences and require ground-truth annotations of each video…

Computer Vision and Pattern Recognition · Computer Science 2019-02-21 Xiao-Yu Zhang , Haichao Shi , Changsheng Li , Kai Zheng , Xiaobin Zhu , Lixin Duan

Continual Test-Time Adaptation (CTTA) enables pre-trained models to adapt to continuously evolving domains. Existing methods have improved robustness but typically rely on fixed or batch-level thresholds, which cannot account for varying…

Computer Vision and Pattern Recognition · Computer Science 2025-12-10 Seunghwan Lee , Inyoung Jung , Hojoon Lee , Eunil Park , Sungeun Hong

Recently, test-time adaptation (TTA) has been proposed as a promising solution for addressing distribution shifts. It allows a base model to adapt to an unforeseen distribution during inference by leveraging the information from the batch…

Machine Learning · Computer Science 2023-02-07 Tong Wu , Feiran Jia , Xiangyu Qi , Jiachen T. Wang , Vikash Sehwag , Saeed Mahloujifar , Prateek Mittal

Understanding the structure of complex activities in untrimmed videos is a challenging task in the area of action recognition. One problem here is that this task usually requires a large amount of hand-annotated minute- or even hour-long…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Rosaura G. VidalMata , Walter J. Scheirer , Anna Kukleva , David Cox , Hilde Kuehne

Adapting pre-trained image models to video modality has proven to be an effective strategy for robust few-shot action recognition. In this work, we explore the potential of adapter tuning in image-to-video model adaptation and propose a…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Wenjie Pei , Qizhong Tan , Guangming Lu , Jiandong Tian , Jun Yu

While scaling test-time compute can substantially improve model performance, existing approaches either rely on static compute allocation or sample from fixed generation distributions. In this work, we introduce a test-time compute…

Artificial Intelligence · Computer Science 2026-04-24 Bowen Zuo , Dongruo Zhou , Yinglun Zhu

We introduce Ev-TTA, a simple, effective test-time adaptation algorithm for event-based object recognition. While event cameras are proposed to provide measurements of scenes with fast motions or drastic illumination changes, many existing…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Junho Kim , Inwoo Hwang , Young Min Kim

We present a novel approach for test-time adaptation via online self-training, consisting of two components. First, we introduce a statistical framework that detects distribution shifts in the classifier's entropy values obtained on a…

Machine Learning · Computer Science 2025-01-07 Yarin Bar , Shalev Shaer , Yaniv Romano