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Despite the success of fully-supervised human skeleton sequence modeling, utilizing self-supervised pre-training for skeleton sequence representation learning has been an active field because acquiring task-specific skeleton annotations at…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Yuxiao Chen , Long Zhao , Jianbo Yuan , Yu Tian , Zhaoyang Xia , Shijie Geng , Ligong Han , Dimitris N. Metaxas

Skeleton data is of low dimension. However, there is a trend of using very deep and complicated feedforward neural networks to model the skeleton sequence without considering the complexity in recent year. In this paper, a simple yet…

计算机视觉与模式识别 · 计算机科学 2021-11-09 Pengfei Zhang , Cuiling Lan , Wenjun Zeng , Junliang Xing , Jianru Xue , Nanning Zheng

During and after a course of therapy, imaging is routinely used to monitor the disease progression and assess the treatment responses. Despite of its significance, reliably capturing and predicting the spatial-temporal anatomic changes from…

图像与视频处理 · 电气工程与系统科学 2024-10-28 Liang Qiu , Liyue Shen , Lianli Liu , Junyan Liu , Yizheng Chen , Lei Xing

Automatic surgical scene segmentation is fundamental for facilitating cognitive intelligence in the modern operating theatre. Previous works rely on conventional aggregation modules (e.g., dilated convolution, convolutional LSTM), which…

计算机视觉与模式识别 · 计算机科学 2022-06-27 Yueming Jin , Yang Yu , Cheng Chen , Zixu Zhao , Pheng-Ann Heng , Danail Stoyanov

Temporal human action detection aims to identify and localize action segments within untrimmed videos, serving as a pivotal task in video understanding. Despite the progress achieved by prior architectures like CNN and Transformer models,…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Yicheng Qiu , Keiji Yanai

This paper presents a novel spatiotemporal transformer network that introduces several original components to detect actions in untrimmed videos. First, the multi-feature selective semantic attention model calculates the correlations…

计算机视觉与模式识别 · 计算机科学 2024-05-15 Matthew Korban , Peter Youngs , Scott T. Acton

Spatiotemporal graph convolutional networks (STGCNs) have emerged as a desirable model for skeleton-based human action recognition. Despite achieving state-of-the-art performance, there is a limited understanding of the representations…

图像与视频处理 · 电气工程与系统科学 2023-12-14 Pratyusha Das , Sarath Shekkizhar , Antonio Ortega

Computed tomography (CT) imaging could be very practical for diagnosing various diseases. However, the nature of the CT images is even more diverse since the resolution and number of the slices of a CT scan are determined by the machine and…

图像与视频处理 · 电气工程与系统科学 2022-07-11 Chih-Chung Hsu , Chi-Han Tsai , Guan-Lin Chen , Sin-Di Ma , Shen-Chieh Tai

We propose a novel Transformer-based architecture for the task of generative modelling of 3D human motion. Previous work commonly relies on RNN-based models considering shorter forecast horizons reaching a stationary and often implausible…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Emre Aksan , Manuel Kaufmann , Peng Cao , Otmar Hilliges

Automatic surgical phase recognition is one of the key technologies to support Video-Based Assessment (VBA) systems for surgical education. Utilizing temporal information is crucial for surgical phase recognition, hence various recent…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Bokai Zhang , Mohammad Hasan Sarhan , Bharti Goel , Svetlana Petculescu , Amer Ghanem

A collection of approaches based on graph convolutional networks have proven success in skeleton-based action recognition by exploring neighborhood information and dense dependencies between intra-frame joints. However, these approaches…

计算机视觉与模式识别 · 计算机科学 2019-12-30 Jialin Gao , Tong He , Xi Zhou , Shiming Ge

Multi-channel surface Electromyography (sEMG), also referred to as high-density sEMG (HD-sEMG), plays a crucial role in improving gesture recognition performance for myoelectric control. Pattern recognition models developed based on…

信号处理 · 电气工程与系统科学 2024-10-24 Kasra Laamerad , Mehran Shabanpour , Md. Rabiul Islam , Arash Mohammadi

Skeleton-based gesture recognition methods have achieved high success using Graph Convolutional Network (GCN). In addition, context-dependent adaptive topology as a neighborhood vertex information and attention mechanism leverages a model…

计算机视觉与模式识别 · 计算机科学 2024-04-04 Ikuo Nakamura

Transformer-based models have shown strong performance in time-series forecasting by leveraging self-attention to model long-range temporal dependencies. However, their effectiveness depends critically on the quality and structure of input…

机器学习 · 计算机科学 2026-02-11 Saurish Nagrath , Saroj Kumar Panigrahy

Modelling various spatio-temporal dependencies is the key to recognising human actions in skeleton sequences. Most existing methods excessively relied on the design of traversal rules or graph topologies to draw the dependencies of the…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Tailin Chen , Shidong Wang , Desen Zhou , Yu Guan

Neural dynamics underlie behaviors from memory to sleep, yet identifying mechanisms for higher-order phenomena (e.g., social interaction) is experimentally challenging. Existing whole-brain models often fail to scale to single-neuron…

神经元与认知 · 定量生物学 2025-11-03 Sam Fatehmanesh Vegas , Matt Thomson , James Gornet , David Prober

This paper proposes a novel latent semantic learning method for extracting high-level features (i.e. latent semantics) from a large vocabulary of abundant mid-level features (i.e. visual keywords) with structured sparse representation,…

多媒体 · 计算机科学 2015-03-19 Zhiwu Lu , Yuxin Peng

Convolution neural networks (CNNs) have succeeded in compressive image sensing. However, due to the inductive bias of locality and weight sharing, the convolution operations demonstrate the intrinsic limitations in modeling the long-range…

图像与视频处理 · 电气工程与系统科学 2022-01-03 Dongjie Ye , Zhangkai Ni , Hanli Wang , Jian Zhang , Shiqi Wang , Sam Kwong

Recently, the recognition task of spontaneous facial micro-expressions has attracted much attention with its various real-world applications. Plenty of handcrafted or learned features have been employed for a variety of classifiers and…

计算机视觉与模式识别 · 计算机科学 2019-01-16 Zhaoqiang Xia , Xiaopeng Hong , Xingyu Gao , Xiaoyi Feng , Guoying Zhao

Morphological methods play a crucial role in remote sensing image processing, due to their ability to capture and preserve small structural details. However, most of the existing deep learning models for semantic segmentation are based on…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Jun Xie , Wenxiao Li , Faqiang Wang , Liqiang Zhang , Zhengyang Hou , Jun Liu