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Recent advancements in deep learning have shown impressive results in image and video denoising, leveraging extensive pairs of noisy and noise-free data for supervision. However, the challenge of acquiring paired videos for dynamic scenes…

Computer Vision and Pattern Recognition · Computer Science 2024-09-18 Zixuan Fu , Lanqing Guo , Chong Wang , Yufei Wang , Zhihao Li , Bihan Wen

This paper focuses on self-supervised video representation learning. Most existing approaches follow the contrastive learning pipeline to construct positive and negative pairs by sampling different clips. However, this formulation tends to…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Rui Qian , Weiyao Lin , John See , Dian Li

Vision Transformers (ViTs) have recently achieved state-of-the-art performance in 2D human pose estimation due to their strong global modeling capability. However, existing ViT-based pose estimators are designed for static images and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Hongwei Fang , Jiahang Cai , Xun Wang , Wenwu Yang

Random data augmentation is a critical technique to avoid overfitting in training deep neural network models. However, data augmentation and network training are usually treated as two isolated processes, limiting the effectiveness of…

Computer Vision and Pattern Recognition · Computer Science 2018-05-25 Xi Peng , Zhiqiang Tang , Fei Yang , Rogerio Feris , Dimitris Metaxas

Deep neural networks are susceptible to adversarial attacks and common corruptions, which undermine their robustness. In order to enhance model resilience against such challenges, Adversarial Training (AT) has emerged as a prominent…

Machine Learning · Computer Science 2025-06-17 Tejaswini Medi , Steffen Jung , Margret Keuper

Deep learning methods typically depend on the availability of labeled data, which is expensive and time-consuming to obtain. Active learning addresses such effort by prioritizing which samples are best to annotate in order to maximize the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Mélanie Gaillochet , Christian Desrosiers , Hervé Lombaert

Temporal Action Localization (TAL) aims to identify actions' start, end, and class labels in untrimmed videos. While recent advancements using transformer networks and Feature Pyramid Networks (FPN) have enhanced visual feature recognition…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Edward Fish , Jon Weinbren , Andrew Gilbert

This thesis explores the central question of how to leverage temporal relations among video elements to advance video understanding. Addressing the limitations of existing methods, the work presents a five-fold contribution: (1) an…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Thong Thanh Nguyen

Temporal cues in videos provide important information for recognizing actions accurately. However, temporal-discriminative features can hardly be extracted without using an annotated large-scale video action dataset for training. This paper…

Computer Vision and Pattern Recognition · Computer Science 2020-08-06 Jinpeng Wang , Yiqi Lin , Andy J. Ma , Pong C. Yuen

Data augmentation methods have played an important role in the recent advance of deep learning models, and have become an indispensable component of state-of-the-art models in semi-supervised, self-supervised, and supervised training for…

Computer Vision and Pattern Recognition · Computer Science 2023-05-24 Emirhan Kurtulus , Zichao Li , Yann Dauphin , Ekin Dogus Cubuk

Most studies on speech enhancement generally don't consider the energy distribution of speech in time-frequency (T-F) representation, which is important for accurate prediction of mask or spectra. In this paper, we present a simple yet…

Sound · Computer Science 2022-03-10 Qiquan Zhang , Qi Song , Zhaoheng Ni , Aaron Nicolson , Haizhou Li

While deep face recognition models have demonstrated remarkable performance, they often struggle on the inputs from domains beyond their training data. Recent attempts aim to expand the training set by relying on computationally expensive…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Mohammad Saeed Ebrahimi Saadabadi , Sahar Rahimi Malakshan , Seyed Rasoul Hosseini , Nasser M. Nasrabadi

In this research, we explore different ways to improve generative adversarial networks for video super-resolution tasks from a base single image super-resolution GAN model. Our primary objective is to identify potential techniques that…

Image and Video Processing · Electrical Eng. & Systems 2024-06-25 Daniel Wen

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

Gait recognition is widely used in social security applications due to its advantages in long-distance human identification. Recently, sequence-based methods have achieved high accuracy by learning abundant temporal and spatial information.…

Computer Vision and Pattern Recognition · Computer Science 2021-08-11 Ziwen He , Wei Wang , Jing Dong , Tieniu Tan

Large pre-trained Vision-Language Models (VLMs) such as CLIP have demonstrated excellent zero-shot generalizability across various downstream tasks. However, recent studies have shown that the inference performance of CLIP can be greatly…

Computer Vision and Pattern Recognition · Computer Science 2024-11-21 Xin Wang , Kai Chen , Jiaming Zhang , Jingjing Chen , Xingjun Ma

Deep Imitation Learning requires a large number of expert demonstrations, which are not always easy to obtain, especially for complex tasks. A way to overcome this shortage of labels is through data augmentation. However, this cannot be…

Machine Learning · Computer Science 2021-03-29 Dafni Antotsiou , Carlo Ciliberto , Tae-Kyun Kim

Long-range temporal alignment is critical yet challenging for video restoration tasks. Recently, some works attempt to divide the long-range alignment into several sub-alignments and handle them progressively. Although this operation is…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Kun Zhou , Wenbo Li , Liying Lu , Xiaoguang Han , Jiangbo Lu

Although deep-learning based video recognition models have achieved remarkable success, they are vulnerable to adversarial examples that are generated by adding human-imperceptible perturbations on clean video samples. As indicated in…

Computer Vision and Pattern Recognition · Computer Science 2021-12-30 Zhipeng Wei , Jingjing Chen , Zuxuan Wu , Yu-Gang Jiang

There is an urgent need for an effective video classification method by means of a small number of samples. The deficiency of samples could be effectively alleviated by generating samples through Generative Adversarial Networks (GAN), but…

Computer Vision and Pattern Recognition · Computer Science 2019-10-01 Yumeng Zhang , Gaoguo Jia , Li Chen , Mingrui Zhang , Junhai Yong
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