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The high demand for computational and storage resources severely impede the deployment of deep convolutional neural networks (CNNs) in limited-resource devices. Recent CNN architectures have proposed reduced complexity versions (e.g.…

Computer Vision and Pattern Recognition · Computer Science 2019-10-17 Souvik Kundu , Saurav Prakash , Haleh Akrami , Peter A. Beerel , Keith M. Chugg

Processing of missing data by modern neural networks, such as CNNs, remains a fundamental, yet unsolved challenge, which naturally arises in many practical applications, like image inpainting or autonomous vehicles and robots. While…

Machine Learning · Computer Science 2021-11-01 Marcin Przewięźlikowski , Marek Śmieja , Łukasz Struski , Jacek Tabor

Although CNN has reached satisfactory performance in image-related tasks, using CNN to process videos is much more challenging due to the enormous size of raw video streams. In this work, we propose to use motion vectors and residuals from…

Image and Video Processing · Electrical Eng. & Systems 2019-10-08 Haoyuan Cao , Shining Yu , Jiashi Feng

Image understanding using deep convolutional network has reached human-level performance, yet a closely related problem of video understanding especially, action recognition has not reached the requisite level of maturity. We combine…

Computer Vision and Pattern Recognition · Computer Science 2017-11-15 Biswa Sengupta , Yu Qian

Two-stream convolutional networks have shown strong performance in video action recognition tasks. The key idea is to learn spatiotemporal features by fusing convolutional networks spatially and temporally. However, it remains unclear how…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Yunbo Wang , Mingsheng Long , Jianmin Wang , Philip S. Yu

The discriminative power of modern deep learning models for 3D human action recognition is growing ever so potent. In conjunction with the recent resurgence of 3D human action representation with 3D skeletons, the quality and the pace of…

Computer Vision and Pattern Recognition · Computer Science 2017-04-18 Tae Soo Kim , Austin Reiter

The ability to identify and temporally segment fine-grained actions in motion capture sequences is crucial for applications in human movement analysis. Motion capture is typically performed with optical or inertial measurement systems,…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Benjamin Filtjens , Bart Vanrumste , Peter Slaets

We conduct an in-depth exploration of different strategies for doing event detection in videos using convolutional neural networks (CNNs) trained for image classification. We study different ways of performing spatial and temporal pooling,…

Computer Vision and Pattern Recognition · Computer Science 2015-05-11 Shengxin Zha , Florian Luisier , Walter Andrews , Nitish Srivastava , Ruslan Salakhutdinov

Advanced deep Convolutional Neural Networks (CNNs) have shown great success in video-based person Re-Identification (Re-ID). However, they usually focus on the most obvious regions of persons with a limited global representation ability.…

Computer Vision and Pattern Recognition · Computer Science 2023-04-28 Xuehu Liu , Chenyang Yu , Pingping Zhang , Huchuan Lu

Most of human actions consist of complex temporal compositions of more simple actions. Action recognition tasks usually relies on complex handcrafted structures as features to represent the human action model. Convolutional Neural Nets…

Computer Vision and Pattern Recognition · Computer Science 2015-12-15 Mahdyar Ravanbakhsh , Hossein Mousavi , Mohammad Rastegari , Vittorio Murino , Larry S. Davis

Facial expression recognition in videos is an active area of research in computer vision. However, fake facial expressions are difficult to be recognized even by humans. On the other hand, facial micro-expressions generally represent the…

Computer Vision and Pattern Recognition · Computer Science 2019-04-03 Sai Prasanna Teja Reddy , Surya Teja Karri , Shiv Ram Dubey , Snehasis Mukherjee

Standard video frame interpolation methods first estimate optical flow between input frames and then synthesize an intermediate frame guided by motion. Recent approaches merge these two steps into a single convolution process by convolving…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Simon Niklaus , Long Mai , Feng Liu

Inspired by the long-range modeling ability of ViTs, large-kernel convolutions are widely studied and adopted recently to enlarge the receptive field and improve model performance, like the remarkable work ConvNeXt which employs 7x7…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Weihao Yu , Pan Zhou , Shuicheng Yan , Xinchao Wang

Deep models have achieved significant process on single image super-resolution (SISR) tasks, in particular large models with large kernel ($3\times3$ or more). However, the heavy computational footprint of such models prevents their…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Gang Wu , Junjun Jiang , Kui Jiang , Xianming Liu

Convolutional neural networks (CNNs) are essential tools for computer vision tasks, but they lack traditionally desired properties of extracted features that could further improve model performance, e.g., rotational equivariance. Such…

Computer Vision and Pattern Recognition · Computer Science 2025-01-17 Yuexi Du , Jiazhen Zhang , Tal Zeevi , Nicha C. Dvornek , John A. Onofrey

Training deep Convolutional Neural Networks (CNN) is a time consuming task that may take weeks to complete. In this article we propose a novel, theoretically founded method for reducing CNN training time without incurring any loss in…

Computer Vision and Pattern Recognition · Computer Science 2016-10-13 Pedro Porto Buarque de Gusmão , Gianluca Francini , Skjalg Lepsøy , Enrico Magli

Deep learning-based speech enhancement methods have significantly improved speech quality and intelligibility. Convolutional neural networks (CNNs) have been proven to be essential components of many high-performance models. In this paper,…

Audio and Speech Processing · Electrical Eng. & Systems 2025-11-11 Dahan Wang , Xiaobin Rong , Shiruo Sun , Yuxiang Hu , Changbao Zhu , Jing Lu

In contemporary computer vision applications, particularly image classification, architectural backbones pre-trained on large datasets like ImageNet are commonly employed as feature extractors. Despite the widespread use of these…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Pranav Jeevan , Amit Sethi

The channel redundancy in feature maps of convolutional neural networks (CNNs) results in the large consumption of memories and computational resources. In this work, we design a novel Slim Convolution (SlimConv) module to boost the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-08 Jiaxiong Qiu , Cai Chen , Shuaicheng Liu , Bing Zeng

With the prevalence of RGB-D cameras, multi-modal video data have become more available for human action recognition. One main challenge for this task lies in how to effectively leverage their complementary information. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2020-02-03 Sijie Song , Jiaying Liu , Yanghao Li , Zongming Guo