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Domain shift has always been one of the primary issues in video object segmentation (VOS), for which models suffer from degeneration when tested on unfamiliar datasets. Recently, many online methods have emerged to narrow the performance…

计算机视觉与模式识别 · 计算机科学 2021-05-25 Jinshuo Zhang , Zhicheng Wang , Songyan Zhang , Gang Wei

Significant advances have been made towards building accurate automatic segmentation systems for a variety of biomedical applications using machine learning. However, the performance of these systems often degrades when they are applied on…

We introduce Domain-specific Masks for Generalization, a model for improving both in-domain and out-of-domain generalization performance. For domain generalization, the goal is to learn from a set of source domains to produce a single model…

计算机视觉与模式识别 · 计算机科学 2020-09-01 Prithvijit Chattopadhyay , Yogesh Balaji , Judy Hoffman

Endoscopic videos from multicentres often have different imaging conditions, e.g., color and illumination, which make the models trained on one domain usually fail to generalize well to another. Domain adaptation is one of the potential…

计算机视觉与模式识别 · 计算机科学 2020-04-20 Jiawei Chen , Yuexiang Li , Kai Ma , Yefeng Zheng

Due to the numerous potential applications in visual surveillance and nighttime driving, recognizing human action in low-light conditions remains a difficult problem in computer vision. Existing methods separate action recognition and dark…

计算机视觉与模式识别 · 计算机科学 2022-11-01 Anwaar Ulhaq

A dominant approach for addressing unsupervised domain adaptation is to map data points for the source and the target domains into an embedding space which is modeled as the output-space of a shared deep encoder. The encoder is trained to…

机器学习 · 计算机科学 2022-09-30 Mohammad Rostami

Fine-grained action recognition datasets exhibit environmental bias, where multiple video sequences are captured from a limited number of environments. Training a model in one environment and deploying in another results in a drop in…

计算机视觉与模式识别 · 计算机科学 2020-03-20 Jonathan Munro , Dima Damen

Convolutional networks (ConvNets) have achieved great successes in various challenging vision tasks. However, the performance of ConvNets would degrade when encountering the domain shift. The domain adaptation is more significant while…

计算机视觉与模式识别 · 计算机科学 2018-06-20 Qi Dou , Cheng Ouyang , Cheng Chen , Hao Chen , Pheng-Ann Heng

In this work, we present a method for unsupervised domain adaptation. Many adversarial learning methods train domain classifier networks to distinguish the features as either a source or target and train a feature generator network to mimic…

计算机视觉与模式识别 · 计算机科学 2018-04-04 Kuniaki Saito , Kohei Watanabe , Yoshitaka Ushiku , Tatsuya Harada

Despite great progress in supervised semantic segmentation,a large performance drop is usually observed when deploying the model in the wild. Domain adaptation methods tackle the issue by aligning the source domain and the target domain.…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Haoran Wang , Tong Shen , Wei Zhang , Lingyu Duan , Tao Mei

We introduce the novel problem of anticipating a time series of future hand masks from egocentric video. A key challenge is to model the stochasticity of future head motions, which globally impact the head-worn camera video analysis. To…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Wenqi Jia , Miao Liu , James M. Rehg

In this paper, we focus on unsupervised domain adaptation for Machine Reading Comprehension (MRC), where the source domain has a large amount of labeled data, while only unlabeled passages are available in the target domain. To this end, we…

计算与语言 · 计算机科学 2019-08-27 Huazheng Wang , Zhe Gan , Xiaodong Liu , Jingjing Liu , Jianfeng Gao , Hongning Wang

Adversarial discriminative domain adaptation (ADDA) is an efficient framework for unsupervised domain adaptation in image classification, where the source and target domains are assumed to have the same classes, but no labels are available…

计算机视觉与模式识别 · 计算机科学 2019-11-12 Aaron Chadha , Yiannis Andreopoulos

Generalizing learned representations across significantly different visual domains is a fundamental yet crucial ability of the human visual system. While recent self-supervised learning methods have achieved good performances with…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Haiyang Yang , Meilin Chen , Yizhou Wang , Shixiang Tang , Feng Zhu , Lei Bai , Rui Zhao , Wanli Ouyang

We consider unsupervised domain adaptation (UDA), where labeled data from a source domain (e.g., photographs) and unlabeled data from a target domain (e.g., sketches) are used to learn a classifier for the target domain. Conventional UDA…

机器学习 · 计算机科学 2022-12-05 Kendrick Shen , Robbie Jones , Ananya Kumar , Sang Michael Xie , Jeff Z. HaoChen , Tengyu Ma , Percy Liang

We aim at the problem named One-Shot Unsupervised Domain Adaptation. Unlike traditional Unsupervised Domain Adaptation, it assumes that only one unlabeled target sample can be available when learning to adapt. This setting is realistic but…

计算机视觉与模式识别 · 计算机科学 2020-04-14 Yawei Luo , Ping Liu , Tao Guan , Junqing Yu , Yi Yang

We study the task of establishing object-level visual correspondence across different viewpoints in videos, focusing on the challenging egocentric-to-exocentric and exocentric-to-egocentric scenarios. We propose a simple yet effective…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Shannan Yan , Leqi Zheng , Keyu Lv , Jingchen Ni , Hongyang Wei , Jiajun Zhang , Guangting Wang , Jing Lyu , Chun Yuan , Fengyun Rao

We address the problem of face anti-spoofing which aims to make the face verification systems robust in the real world settings. The context of detecting live vs. spoofed face images may differ significantly in the target domain, when…

计算机视觉与模式识别 · 计算机科学 2021-05-19 Ankush Panwar , Pratyush Singh , Suman Saha , Danda Pani Paudel , Luc Van Gool

In this report, we present our approach and empirical results of applying masked autoencoders in two egocentric video understanding tasks, namely, Object State Change Classification and PNR Temporal Localization, of Ego4D Challenge 2022. As…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Jiachen Lei , Shuang Ma , Zhongjie Ba , Sai Vemprala , Ashish Kapoor , Kui Ren

The egocentric and exocentric viewpoints of a human activity look dramatically different, yet invariant representations to link them are essential for many potential applications in robotics and augmented reality. Prior work is limited to…

计算机视觉与模式识别 · 计算机科学 2023-11-28 Zihui Xue , Kristen Grauman