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Rotation is frequently listed as a candidate for data augmentation in contrastive learning but seldom provides satisfactory improvements. We argue that this is because the rotated image is always treated as either positive or negative. The…

Computer Vision and Pattern Recognition · Computer Science 2022-11-28 Atsuyuki Miyai , Qing Yu , Daiki Ikami , Go Irie , Kiyoharu Aizawa

Data augmentation is an effective and universal technique for improving generalization performance of deep neural networks. It could enrich diversity of training samples that is essential in medical image segmentation tasks because 1) the…

Image and Video Processing · Electrical Eng. & Systems 2020-12-29 Ju Xu , Mengzhang Li , Zhanxing Zhu

Synthetically augmenting training datasets with diffusion models has become an effective strategy for improving the generalization of image classifiers. However, existing approaches typically increase dataset size by 10-30x and struggle to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-05 Dang Nguyen , Jiping Li , Jinghao Zheng , Baharan Mirzasoleiman

Recently, human pose estimation mainly focuses on how to design a more effective and better deep network structure as human features extractor, and most designed feature extraction networks only introduce the position of each anatomical…

Computer Vision and Pattern Recognition · Computer Science 2022-12-06 Zhangjian Ji , Zilong Wang , Ming Zhang , Yapeng Chen , Yuhua Qian

Domain adaptation (DA) is a representation learning methodology that transfers knowledge from a label-sufficient source domain to a label-scarce target domain. While most of early methods are focused on unsupervised DA (UDA), several…

Computer Vision and Pattern Recognition · Computer Science 2021-04-02 Yoonhyung Kim , Changick Kim

Existing automatic data augmentation (DA) methods either ignore updating DA's parameters according to the target model's state during training or adopt update strategies that are not effective enough. In this work, we design a novel data…

Computer Vision and Pattern Recognition · Computer Science 2023-05-11 Xiaogang Xu , Hengshuang Zhao

Visual Question Answering (VQA) has achieved great success thanks to the fast development of deep neural networks (DNN). On the other hand, the data augmentation, as one of the major tricks for DNN, has been widely used in many computer…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Ruixue Tang , Chao Ma , Wei Emma Zhang , Qi Wu , Xiaokang Yang

Existing algorithms for human body part segmentation have shown promising results on challenging datasets, primarily relying on end-to-end supervision. However, these algorithms exhibit severe performance drops in the face of domain shifts,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Arindam Dutta , Rohit Lal , Yash Garg , Calvin-Khang Ta , Dripta S. Raychaudhuri , Hannah Dela Cruz , Amit K. Roy-Chowdhury

Semantic segmentation plays an important role in intelligent vehicles, providing pixel-level semantic information about the environment. However, the labeling budget is expensive and time-consuming when semantic segmentation model is…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Weihao Yan , Yeqiang Qian , Yueyuan Li , Tao Li , Chunxiang Wang , Ming Yang

It is well-known that the performance of well-trained deep neural networks may degrade significantly when they are applied to data with even slightly shifted distributions. Recent studies have shown that introducing certain perturbation on…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Yabin Zhang , Bin Deng , Ruihuang Li , Kui Jia , Lei Zhang

Face recognition is known to be vulnerable to adversarial face images. Existing works craft face adversarial images by indiscriminately changing a single attribute without being aware of the intrinsic attributes of the images. To this end,…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Yasmeen M. Khedr , Yifeng Xiong , Kun He

Human pose estimation is a key step to action recognition. We propose a method of estimating 3D human poses from a single image, which works in conjunction with an existing 2D pose/joint detector. 3D pose estimation is challenging because…

Computer Vision and Pattern Recognition · Computer Science 2014-06-10 Chunyu Wang , Yizhou Wang , Zhouchen Lin , Alan L. Yuille , Wen Gao

The field of image-to-video generation has made remarkable progress. However, challenges such as human limb twisting and facial distortion persist, especially when generating long videos or modeling intensive motions. Existing human image…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Chang Liu , Mengting Chen , Yixuan Huang , Haoning Wu , Chen Ju , Shuai Xiao , Jinsong Lan , Yanfeng Wang

Deep learning approaches deliver state-of-the-art performance in recognition of spatiotemporal human motion data. However, one of the main challenges in these recognition tasks is limited available training data. Insufficient training data…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Junxiao Shen , John Dudley , Per Ola Kristensson

Deep neural networks have achieved unprecedented success on diverse vision tasks. However, they are vulnerable to adversarial noise that is imperceptible to humans. This phenomenon negatively affects their deployment in real-world…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Jianping Zhang , Jen-tse Huang , Wenxuan Wang , Yichen Li , Weibin Wu , Xiaosen Wang , Yuxin Su , Michael R. Lyu

This paper introduces a new architecture for human pose estimation using a multi- layer convolutional network architecture and a modified learning technique that learns low-level features and higher-level weak spatial models. Unconstrained…

Computer Vision and Pattern Recognition · Computer Science 2014-04-24 Arjun Jain , Jonathan Tompson , Mykhaylo Andriluka , Graham W. Taylor , Christoph Bregler

Transfer learning across domains with distribution shift remains a fundamental challenge in building robust and adaptable machine learning systems. While adversarial perturbations are traditionally viewed as threats that expose model…

Machine Learning · Computer Science 2025-05-20 Hana Satou , Alan Mitkiy

Pretrained language models (PLMs) perform poorly under adversarial attacks. To improve the adversarial robustness, adversarial data augmentation (ADA) has been widely adopted to cover more search space of adversarial attacks by adding…

Computation and Language · Computer Science 2021-06-08 Chenglei Si , Zhengyan Zhang , Fanchao Qi , Zhiyuan Liu , Yasheng Wang , Qun Liu , Maosong Sun

Data augmentation has been highly effective in narrowing the data gap and reducing the cost for human annotation, especially for tasks where ground truth labels are difficult and expensive to acquire. In face recognition, large pose and…

Computer Vision and Pattern Recognition · Computer Science 2020-10-07 Yifan Xing , Yuanjun Xiong , Wei Xia

Low-visibility scenarios, such as low-light conditions, pose significant challenges to human pose estimation due to the scarcity of annotated low-light datasets and the loss of visual information under poor illumination. Recent domain…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Haopeng Chen , Yihao Ai , Kabeen Kim , Robby T. Tan , Yixin Chen , Bo Wang