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Joint segmentation and classification of fine-grained actions is important for applications of human-robot interaction, video surveillance, and human skill evaluation. However, despite substantial recent progress in large-scale action…

计算机视觉与模式识别 · 计算机科学 2016-10-03 Colin Lea , Austin Reiter , Rene Vidal , Gregory D. Hager

Traditional 3D convolutions are computationally expensive, memory intensive, and due to large number of parameters, they often tend to overfit. On the other hand, 2D CNNs are less computationally expensive and less memory intensive than 3D…

计算机视觉与模式识别 · 计算机科学 2019-09-10 Gagan Kanojia , Sudhakar Kumawat , Shanmuganathan Raman

Monocular scene reconstruction from posed images is challenging due to the complexity of a large environment. Recent volumetric methods learn to directly predict the TSDF volume and have demonstrated promising results in this task. However,…

计算机视觉与模式识别 · 计算机科学 2023-03-10 Weihao Yuan , Xiaodong Gu , Heng Li , Zilong Dong , Siyu Zhu

3D convolution is powerful for video classification but often computationally expensive, recent studies mainly focus on decomposing it on spatial-temporal and/or channel dimensions. Unfortunately, most approaches fail to achieve a…

计算机视觉与模式识别 · 计算机科学 2021-06-04 Kunchang Li , Xianhang Li , Yali Wang , Jun Wang , Yu Qiao

We propose Sequential Feature Filtering Classifier (FFC), a simple but effective classifier for convolutional neural networks (CNNs). With sequential LayerNorm and ReLU, FFC zeroes out low-activation units and preserves high-activation…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Minseok Seo , Jaemin Lee , Jongchan Park , Dong-Geol Choi

Despite much recent progress in video-based person re-identification (re-ID), the current state-of-the-art still suffers from common real-world challenges such as appearance similarity among various people, occlusions, and frame…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Abhishek Aich , Meng Zheng , Srikrishna Karanam , Terrence Chen , Amit K. Roy-Chowdhury , Ziyan Wu

Remote sensing change detection (CD) has made significant advancements with the adoption of Convolutional Neural Networks (CNNs) and Transformers. While CNNs offer powerful feature extraction, they are constrained by receptive field…

计算机视觉与模式识别 · 计算机科学 2025-03-04 JunYao Kaung , HongWei Ge

Feature transformation plays a critical role in enhancing machine learning model performance by optimizing data representations. Recent state-of-the-art approaches address this task as a continuous embedding optimization problem, converting…

机器学习 · 计算机科学 2025-08-29 Yang Gao , Dongjie Wang , Scott Piersall , Ye Zhang , Liqiang Wang

Feature selection has been an essential step in developing industry-scale deep Click-Through Rate (CTR) prediction systems. The goal of neural feature selection (NFS) is to choose a relatively small subset of features with the best…

机器学习 · 计算机科学 2021-12-08 Lin Guan , Xia Xiao , Ming Chen , Youlong Cheng

Graph convolutional networks (GCNs), which can model the human body skeletons as spatial and temporal graphs, have shown remarkable potential in skeleton-based action recognition. However, in the existing GCN-based methods, graph-structured…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Han Chen , Yifan Jiang , Hanseok Ko

Spatio-temporal feature learning is of central importance for action recognition in videos. Existing deep neural network models either learn spatial and temporal features independently (C2D) or jointly with unconstrained parameters (C3D).…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Chao Li , Qiaoyong Zhong , Di Xie , Shiliang Pu

Skeleton sequences are lightweight and compact, and thus are ideal candidates for action recognition on edge devices. Recent skeleton-based action recognition methods extract features from 3D joint coordinates as spatial-temporal cues,…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Zhenyue Qin , Yang Liu , Pan Ji , Dongwoo Kim , Lei Wang , Bob McKay , Saeed Anwar , Tom Gedeon

In this paper, we propose a novel multi-level aggregation network to regress the coordinates of the vertices of a 3D face from a single 2D image in an end-to-end manner. This is achieved by seamlessly combining standard convolutional neural…

计算机视觉与模式识别 · 计算机科学 2022-03-10 Yanda Meng , Xu Chen , Dongxu Gao , Yitian Zhao , Xiaoyun Yang , Yihong Qiao , Xiaowei Huang , Yalin Zheng

Multi-modal fusion has been proved to help enhance the performance of scene classification tasks. This paper presents a 2D-3D Fusion stage that combines 3D Geometric Features with 2D Texture Features obtained by 2D Convolutional Neural…

计算机视觉与模式识别 · 计算机科学 2021-05-28 Albert Mosella-Montoro , Javier Ruiz-Hidalgo

Convolutional Networks have dominated the field of computer vision for the last ten years, exhibiting extremely powerful feature extraction capabilities and outstanding classification performance. The main strategy to prolong this trend…

计算机视觉与模式识别 · 计算机科学 2021-06-07 Javier Huertas-Tato , Alejandro Martín , Julián Fierrez , David Camacho

Deep learning-based change detection (CD) using remote sensing images has received increasing attention in recent years. However, how to effectively extract and fuse the deep features of bi-temporal images for improving the accuracy of CD…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Yuanxin Ye , Mengmeng Wang , Liang Zhou , Guangyang Lei , Jianwei Fan , Yao Qin

For multimodal skeleton-based action recognition, Graph Convolutional Networks (GCNs) are effective models. Still, their reliance on floating-point computations leads to high energy consumption, limiting their applicability in…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Naichuan Zheng , Yuchen Du , Hailun Xia , Zeyu Liang

Low-channel EEG devices are crucial for portable and entertainment applications. However, the low spatial resolution of EEG presents challenges in decoding low-channel motor imagery. This study introduces TSFF-Net, a novel network…

机器学习 · 计算机科学 2023-04-05 Zhengqing Miao , Meirong Zhao

The modeling, computational cost, and accuracy of traditional Spatio-temporal networks are the three most concentrated research topics in video action recognition. The traditional 2D convolution has a low computational cost, but it cannot…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Zhaoqilin Yang , Gaoyun An

Scene flow describes the motion of 3D objects in real world and potentially could be the basis of a good feature for 3D action recognition. However, its use for action recognition, especially in the context of convolutional neural networks…

计算机视觉与模式识别 · 计算机科学 2017-03-28 Pichao Wang , Wanqing Li , Zhimin Gao , Yuyao Zhang , Chang Tang , Philip Ogunbona