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In learning action recognition, models are typically pre-trained on object recognition with images, such as ImageNet, and later fine-tuned on target action recognition with videos. This approach has achieved good empirical performance…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Bowen Zhang , Jiahui Yu , Christopher Fifty , Wei Han , Andrew M. Dai , Ruoming Pang , Fei Sha

Image composition plays an important role in the quality of a photo. However, not every camera user possesses the knowledge and expertise required for capturing well-composed photos. While post-capture cropping can improve the composition…

Computer Vision and Pattern Recognition · Computer Science 2021-04-16 Yu-Chuan Su , Raviteja Vemulapalli , Ben Weiss , Chun-Te Chu , Philip Andrew Mansfield , Lior Shapira , Colvin Pitts

Data augmentation is one of the most effective techniques to improve the generalization performance of deep neural networks. Yet, despite often facing limited data availability in medical image analysis, it is frequently underutilized. This…

Image and Video Processing · Electrical Eng. & Systems 2024-03-18 Adam Tupper , Christian Gagné

A dominant paradigm for learning-based approaches in computer vision is training generic models, such as ResNet for image recognition, or I3D for video understanding, on large datasets and allowing them to discover the optimal…

Computer Vision and Pattern Recognition · Computer Science 2019-06-06 Yubo Zhang , Pavel Tokmakov , Martial Hebert , Cordelia Schmid

Data augmentation has been widely applied as an effective methodology to improve generalization in particular when training deep neural networks. Recently, researchers proposed a few intensive data augmentation techniques, which indeed…

Machine Learning · Computer Science 2019-11-22 Zhuoxun He , Lingxi Xie , Xin Chen , Ya Zhang , Yanfeng Wang , Qi Tian

Automated data augmentation has shown superior performance in image recognition. Existing works search for dataset-level augmentation policies without considering individual sample variations, which are likely to be sub-optimal. On the…

Machine Learning · Computer Science 2020-12-23 Fengwei Zhou , Jiawei Li , Chuanlong Xie , Fei Chen , Lanqing Hong , Rui Sun , Zhenguo Li

Deep neural networks have achieved state-of-the-art results in various vision and/or language tasks. Despite the use of large training datasets, most models are trained by iterating over single input-output pairs, discarding the remaining…

Computation and Language · Computer Science 2021-04-27 Rita Parada Ramos , Patrícia Pereira , Helena Moniz , Joao Paulo Carvalho , Bruno Martins

Recently, attempts have been made to collect millions of videos to train CNN models for action recognition in videos. However, curating such large-scale video datasets requires immense human labor, and training CNNs on millions of videos…

Computer Vision and Pattern Recognition · Computer Science 2015-12-23 Shugao Ma , Sarah Adel Bargal , Jianming Zhang , Leonid Sigal , Stan Sclaroff

Neural data compression has been shown to outperform classical methods in terms of $RD$ performance, with results still improving rapidly. At a high level, neural compression is based on an autoencoder that tries to reconstruct the input…

Machine Learning · Computer Science 2021-06-02 Ties van Rozendaal , Iris A. M. Huijben , Taco S. Cohen

Upscaled video detection is a helpful tool in multimedia forensics, but it is a challenging task that involves various upscaling and compression algorithms. There are many resolution-enhancement methods, including interpolation and…

Computer Vision and Pattern Recognition · Computer Science 2022-05-24 Viacheslav Meshchaninov , Ivan Molodetskikh , Dmitriy Vatolin

Memory-based video object segmentation methods model multiple objects over long temporal-spatial spans by establishing memory bank, which achieve the remarkable performance. However, they struggle to overcome the false matching and are…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Jintu Zheng , Yun Liang , Yuqing Zhang , Wanchao Su

Deep artificial neural networks require a large corpus of training data in order to effectively learn, where collection of such training data is often expensive and laborious. Data augmentation overcomes this issue by artificially inflating…

Machine Learning · Computer Science 2017-08-22 Luke Taylor , Geoff Nitschke

Data augmentation, the artificial creation of training data for machine learning by transformations, is a widely studied research field across machine learning disciplines. While it is useful for increasing a model's generalization…

Computation and Language · Computer Science 2022-09-09 Markus Bayer , Marc-André Kaufhold , Christian Reuter

We propose a simple data augmentation technique that can be applied to standard model-free reinforcement learning algorithms, enabling robust learning directly from pixels without the need for auxiliary losses or pre-training. The approach…

Machine Learning · Computer Science 2021-03-09 Ilya Kostrikov , Denis Yarats , Rob Fergus

Existing datasets for training pedestrian detectors in images suffer from limited appearance and pose variation. The most challenging scenarios are rarely included because they are too difficult to capture due to safety reasons, or they are…

Computer Vision and Pattern Recognition · Computer Science 2020-12-16 Antonín Vobecký , David Hurych , Michal Uřičář , Patrick Pérez , Josef Šivic

Nowadays, commonly-used authentication systems for mobile device users, e.g. password checking, face recognition or fingerprint scanning, are susceptible to various kinds of attacks. In order to prevent some of the possible attacks, these…

Computer Vision and Pattern Recognition · Computer Science 2020-09-02 Cezara Benegui , Radu Tudor Ionescu

Using videos to analyze pitchers in baseball can play a vital role in strategizing and injury prevention. Computer vision-based pose analysis offers a time-efficient and cost-effective approach. However, the use of accessible broadcast…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Jerrin Bright , Yuhao Chen , John Zelek

In this paper, we focus on the task of extracting visual correspondences across videos. Given a query video clip from an action class, we aim to align it with training videos in space and time. Obtaining training data for such a…

Computer Vision and Pattern Recognition · Computer Science 2020-07-10 Senthil Purushwalkam , Tian Ye , Saurabh Gupta , Abhinav Gupta

This paper presents a supervised mixing augmentation method termed SuperMix, which exploits the salient regions within input images to construct mixed training samples. SuperMix is designed to obtain mixed images rich in visual features and…

Computer Vision and Pattern Recognition · Computer Science 2021-12-13 Ali Dabouei , Sobhan Soleymani , Fariborz Taherkhani , Nasser M. Nasrabadi

Many believe that the successes of deep learning on image understanding problems can be replicated in the realm of video understanding. However, due to the scale and temporal nature of video, the span of video understanding problems and the…

Computer Vision and Pattern Recognition · Computer Science 2021-10-05 Matthew Hutchinson , Vijay Gadepally
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