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Video classification is a challenging task in computer vision. Although Deep Neural Networks (DNNs) have achieved excellent performance in video classification, recent research shows adding imperceptible perturbations to clean videos can…

Machine Learning · Computer Science 2019-09-12 Xiaojun Jia , Xingxing Wei , Xiaochun Cao

Indoor scene recognition is a growing field with great potential for behaviour understanding, robot localization, and elderly monitoring, among others. In this study, we approach the task of scene recognition from a novel standpoint, using…

Computer Vision and Pattern Recognition · Computer Science 2021-12-24 Andreea Glavan , Estefania Talavera

Deep learning models have been widely used for anomaly detection in surveillance videos. Typical models are equipped with the capability to reconstruct normal videos and evaluate the reconstruction errors on anomalous videos to indicate the…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Xianlin Zeng , Yalong Jiang , Wenrui Ding , Hongguang Li , Yafeng Hao , Zifeng Qiu

We present an approach that exploits hierarchical Recurrent Neural Networks (RNNs) to tackle the video captioning problem, i.e., generating one or multiple sentences to describe a realistic video. Our hierarchical framework contains a…

Computer Vision and Pattern Recognition · Computer Science 2016-04-07 Haonan Yu , Jiang Wang , Zhiheng Huang , Yi Yang , Wei Xu

True understanding of videos comes from a joint analysis of all its modalities: the video frames, the audio track, and any accompanying text such as closed captions. We present a way to learn a compact multimodal feature representation that…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Vivek Sharma , Makarand Tapaswi , Rainer Stiefelhagen

In the context of escalating safety concerns across various domains, the tasks of Video Anomaly Detection (VAD) and Video Anomaly Recognition (VAR) have emerged as critically important for applications in intelligent surveillance, evidence…

Machine Learning · Computer Science 2025-05-27 Sanggeon Yun , Ryozo Masukawa , Minhyoung Na , Mohsen Imani

Despite the steady progress in video analysis led by the adoption of convolutional neural networks (CNNs), the relative improvement has been less drastic as that in 2D static image classification. Three main challenges exist including…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Saining Xie , Chen Sun , Jonathan Huang , Zhuowen Tu , Kevin Murphy

Multi-modal machine learning (ML) models can process data in multiple modalities (e.g., video, audio, text) and are useful for video content analysis in a variety of problems (e.g., object detection, scene understanding, activity…

Computer Vision and Pattern Recognition · Computer Science 2020-06-09 Palash Goyal , Saurabh Sahu , Shalini Ghosh , Chul Lee

As of late an AI based free programming device has made it simple to make authentic face swaps in recordings that leaves barely any hints of control, in what are known as "deepfake" recordings. Situations where these genuine istic…

Computer Vision and Pattern Recognition · Computer Science 2020-09-17 Rahul U , Ragul M , Raja Vignesh K , Tejeswinee K

Large datasets underlying much of current machine learning raise serious issues concerning inappropriate content such as offensive, insulting, threatening, or might otherwise cause anxiety. This calls for increased dataset documentation,…

Artificial Intelligence · Computer Science 2022-07-15 Patrick Schramowski , Christopher Tauchmann , Kristian Kersting

Multimodal scene search of conversations is essential for unlocking valuable insights into social dynamics and enhancing our communication. While experts in conversational analysis have their own knowledge and skills to find key scenes, a…

Human-Computer Interaction · Computer Science 2024-02-20 Riku Arakawa , Kiyosu Maeda , Hiromu Yakura

Recently, outstanding identification rates in image classification tasks were achieved by convolutional neural networks (CNNs). to use such skills, selective CNNs trained on a dataset of well-known images of metal surface defects captured…

Computer Vision and Pattern Recognition · Computer Science 2024-06-24 Nadeem Jabbar Chaudhry , M. Bilal Khan , M. Javaid Iqbal , Siddiqui Muhammad Yasir

We introduce a method to classify imagery using a convo- lutional neural network (CNN) on multi-view image pro- jections. The power of our method comes from using pro- jections of multiple images at multiple depth planes near the…

Computer Vision and Pattern Recognition · Computer Science 2017-12-27 Dror Aiger , Brett Allen , Aleksey Golovinskiy

This paper presents a framework for Convolutional Neural Network (CNN)-based quality enhancement task, by taking advantage of coding information in the compressed video signal. The motivation is that normative decisions made by the encoder…

Image and Video Processing · Electrical Eng. & Systems 2021-05-13 Fatemeh Nasiri , Wassim Hamidouche , Luce Morin , Nicolas Dhollande , Gildas Cocherel

With the increase in video-sharing platforms across the internet, it is difficult for humans to moderate the data for explicit content. Hence, an automated pipeline to scan through video data for explicit content has become the need of the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Shaunak Joshi , Raghav Gaggar

Deep convolutional neural networks (CNNs) can be applied to malware binary detection via image classification. The performance, however, is degraded due to the imbalance of malware families (classes). To mitigate this issue, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Songqing Yue , Tianyang Wang

A major obstacle to building models for effective semantic segmentation, and particularly video semantic segmentation, is a lack of large and well annotated datasets. This bottleneck is particularly prohibitive in highly specialized and…

This survey article summarizes research trends on the topic of anomaly detection in video feeds of a single scene. We discuss the various problem formulations, publicly available datasets and evaluation criteria. We categorize and situate…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Bharathkumar Ramachandra , Michael J. Jones , Ranga Raju Vatsavai

Most of the crowd abnormal event detection methods rely on complex hand-crafted features to represent the crowd motion and appearance. Convolutional Neural Networks (CNN) have shown to be a powerful tool with excellent representational…

Computer Vision and Pattern Recognition · Computer Science 2018-01-30 Mahdyar Ravanbakhsh , Moin Nabi , Hossein Mousavi , Enver Sangineto , Nicu Sebe

Internet video delivery has undergone a tremendous explosion of growth over the past few years. However, the quality of video delivery system greatly depends on the Internet bandwidth. Deep Neural Networks (DNNs) are utilized to improve the…

Image and Video Processing · Electrical Eng. & Systems 2021-09-20 Jiaming Liu , Ming Lu , Kaixin Chen , Xiaoqi Li , Shizun Wang , Zhaoqing Wang , Enhua Wu , Yurong Chen , Chuang Zhang , Ming Wu