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In this paper, we evaluate convolutional neural network (CNN) features using the AlexNet architecture and very deep convolutional network (VGGNet) architecture. To date, most CNN researchers have employed the last layers before output,…

Computer Vision and Pattern Recognition · Computer Science 2015-09-28 Hirokatsu Kataoka , Kenji Iwata , Yutaka Satoh

Currently, spatiotemporal features are embraced by most deep learning approaches for human action detection in videos, however, they neglect the important features in frequency domain. In this work, we propose an end-to-end network that…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Changhai Li , Huawei Chen , Jingqing Lu , Yang Huang , Yingying Liu

In recent years, surveillance cameras are widely deployed in public places, and the general crime rate has been reduced significantly due to these ubiquitous devices. Usually, these cameras provide cues and evidence after crimes are…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Ming Cheng , Kunjing Cai , Ming Li

In this paper we introduce CUE-Net, a novel architecture designed for automated violence detection in video surveillance. As surveillance systems become more prevalent due to technological advances and decreasing costs, the challenge of…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Damith Chamalke Senadeera , Xiaoyun Yang , Dimitrios Kollias , Gregory Slabaugh

In this work, a deep learning approach has been developed to carry out road detection by fusing LIDAR point clouds and camera images. An unstructured and sparse point cloud is first projected onto the camera image plane and then upsampled…

Computer Vision and Pattern Recognition · Computer Science 2018-09-24 Luca Caltagirone , Mauro Bellone , Lennart Svensson , Mattias Wahde

Event classification is inherently sequential and multimodal. Therefore, deep neural models need to dynamically focus on the most relevant time window and/or modality of a video. In this study, we propose the Multi-level Attention Fusion…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Mathilde Brousmiche , Jean Rouat , Stéphane Dupont

In this paper we propose the two-stage approach of organizing information in video surveillance systems. At first, the faces are detected in each frame and a video stream is split into sequences of frames with face region of one person.…

Computer Vision and Pattern Recognition · Computer Science 2018-01-04 Anastasiia D. Sokolova , Angelina S. Kharchevnikova , Andrey V. Savchenko

For many years, the emotion recognition task has remained one of the most interesting and important problems in the field of human-computer interaction. In this study, we consider the emotion recognition task as a classification as well as…

Computer Vision and Pattern Recognition · Computer Science 2020-06-22 Denis Rangulov , Muhammad Fahim

Features play a crucial role in computer vision. Initially designed to detect salient elements by means of handcrafted algorithms, features are now often learned by different layers in Convolutional Neural Networks (CNNs). This paper…

Computer Vision and Pattern Recognition · Computer Science 2021-11-18 Loris Nanni , Stefano Ghidoni , Sheryl Brahnam

This study introduces a method for efficiently detecting objects within 3D point clouds using convolutional neural networks (CNNs). Our approach adopts a unique feature-centric voting mechanism to construct convolutional layers that…

Computer Vision and Pattern Recognition · Computer Science 2024-12-05 Tianyi Lyu , Dian Gu , Peiyuan Chen , Yaoting Jiang , Zhenhong Zhang , Huadong Pang , Li Zhou , Yiping Dong

Understanding driver activity is vital for in-vehicle systems that aim to reduce the incidence of car accidents rooted in cognitive distraction. Automating real-time behavior recognition while ensuring actions classification with high…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Chaoyun Zhang , Rui Li , Woojin Kim , Daesub Yoon , Paul Patras

Violence detection has been studied in computer vision for years. However, previous work are either superficial, e.g., classification of short-clips, and the single scenario, or undersupplied, e.g., the single modality, and hand-crafted…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Peng Wu , Jing Liu , Yujia Shi , Yujia Sun , Fangtao Shao , Zhaoyang Wu , Zhiwei Yang

Recently, the popularity of depth-sensors such as Kinect has made depth videos easily available while its advantages have not been fully exploited. This paper investigates, for gesture recognition, to explore the spatial and temporal…

Computer Vision and Pattern Recognition · Computer Science 2016-11-29 Jiali Duan , Shuai Zhou , Jun Wan , Xiaoyuan Guo , Stan Z. Li

In the dynamic realm of deepfake detection, this work presents an innovative approach to validate video content. The methodology blends advanced 2-dimensional and 3-dimensional Convolutional Neural Networks. The 3D model is uniquely…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Aagam Bakliwal , Amit D. Joshi

Recently, weakly supervised video anomaly detection (WS-VAD) has emerged as a contemporary research direction to identify anomaly events like violence and nudity in videos using only video-level labels. However, this task has substantial…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Ayush Ghadiya , Purbayan Kar , Vishal Chudasama , Pankaj Wasnik

Interlacing is a widely used technique, for television broadcast and video recording, to double the perceived frame rate without increasing the bandwidth. But it presents annoying visual artifacts, such as flickering and silhouette…

Computer Vision and Pattern Recognition · Computer Science 2017-08-02 Haichao Zhu , Xueting Liu , Xiangyu Mao , Tien-Tsin Wong

Object detection in videos plays a crucial role in advancing applications such as public safety and anomaly detection. Existing methods have explored different techniques, including CNN, deep learning, and Transformers, for object detection…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Badhan Chandra Das , M. Hadi Amini , Yanzhao Wu

Emotion recognition has become an important field of research in the human-computer interactions domain. The latest advancements in the field show that combining visual with audio information lead to better results if compared to the case…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Nicolae-Catalin Ristea , Liviu Cristian Dutu , Anamaria Radoi

This paper introduces an innovative keypoint detection technique based on Convolutional Neural Networks (CNNs) to enhance the performance of existing Deep Visual Servoing (DVS) models. To validate the convergence of the Image-Based Visual…

Robotics · Computer Science 2024-09-23 Niloufar Amiri , Guanghui Wang , Farrokh Janabi-Sharifi

Recent deep learning based video synthesis approaches, in particular with applications that can forge identities such as "DeepFake", have raised great security concerns. Therefore, corresponding deep forensic methods are proposed to tackle…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Gengxing Wang , Jiahuan Zhou , Ying Wu
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