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We investigate architectures of discriminatively trained deep Convolutional Networks (ConvNets) for action recognition in video. The challenge is to capture the complementary information on appearance from still frames and motion between…

计算机视觉与模式识别 · 计算机科学 2014-11-13 Karen Simonyan , Andrew Zisserman

With the rapid development of society and continuous advances in science and technology, the food industry increasingly demands higher production quality and efficiency. Food image classification plays a vital role in enabling automated…

计算机视觉与模式识别 · 计算机科学 2025-09-24 Xinle Gao , Linghui Ye , Zhiyong Xiao

In this paper, we newly introduce the concept of temporal attention filters, and describe how they can be used for human activity recognition from videos. Many high-level activities are often composed of multiple temporal parts (e.g.,…

计算机视觉与模式识别 · 计算机科学 2016-12-28 AJ Piergiovanni , Chenyou Fan , Michael S. Ryoo

The apparent ``black box'' nature of neural networks is a barrier to adoption in applications where explainability is essential. This paper presents TAME (Trainable Attention Mechanism for Explanations), a method for generating explanation…

计算机视觉与模式识别 · 计算机科学 2025-01-30 Mariano Ntrougkas , Nikolaos Gkalelis , Vasileios Mezaris

To fluently collaborate with people, robots need the ability to recognize human activities accurately. Although modern robots are equipped with various sensors, robust human activity recognition (HAR) still remains a challenging task for…

机器人学 · 计算机科学 2020-08-17 Md Mofijul Islam , Tariq Iqbal

High level understanding of sequential visual input is important for safe and stable autonomy, especially in localization and object detection. While traditional object classification and tracking approaches are specifically designed to…

计算机视觉与模式识别 · 计算机科学 2017-07-25 Mo Shan , Nikolay Atanasov

Recognizing human actions in videos requires spatial and temporal understanding. Most existing action recognition models lack a balanced spatio-temporal understanding of videos. In this work, we propose a novel two-stream architecture,…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Dongho Lee , Jongseo Lee , Jinwoo Choi

Endowing visual agents with predictive capability is a key step towards video intelligence at scale. The predominant modeling paradigm for this is sequence learning, mostly implemented through LSTMs. Feed-forward Transformer architectures…

计算机视觉与模式识别 · 计算机科学 2021-09-22 Tsung-Ming Tai , Giuseppe Fiameni , Cheng-Kuang Lee , Oswald Lanz

Representation of human actions as a sequence of human body movements or action attributes enables the development of models for human activity recognition and summarization. We present an extension of the low-rank representation (LRR)…

机器学习 · 统计学 2020-07-14 Tong Wu , Prudhvi Gurram , Raghuveer M. Rao , Waheed U. Bajwa

This paper focuses on task recognition and action segmentation in weakly-labeled instructional videos, where only the ordered sequence of video-level actions is available during training. We propose a two-stream framework, which exploits…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Reza Ghoddoosian , Saif Sayed , Vassilis Athitsos

Since the introduction of the Transformer architecture for large language models, the softmax-based attention layer has faced increasing scrutinity due to its quadratic-time computational complexity. Attempts have been made to replace it…

机器学习 · 计算机科学 2026-02-02 Robert Forchheimer

Sequential recommendation models are crucial for next-item recommendations in online platforms, capturing complex patterns in user interactions. However, many focus on a single behavior, overlooking valuable implicit interactions like…

信息检索 · 计算机科学 2023-12-18 Shereen Elsayed , Ahmed Rashed , Lars Schmidt-Thieme

In this paper, we introduce a deep learning solution for video activity recognition that leverages an innovative combination of convolutional layers with a linear-complexity attention mechanism. Moreover, we introduce a novel quantization…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Gabriele Lagani , Fabrizio Falchi , Claudio Gennaro , Giuseppe Amato

Action recognition has become a rapidly developing research field within the last decade. But with the increasing demand for large scale data, the need of hand annotated data for the training becomes more and more impractical. One way to…

计算机视觉与模式识别 · 计算机科学 2019-06-05 Hilde Kuehne , Alexander Richard , Juergen Gall

With advances in data-driven machine learning research, a wide variety of prediction models have been proposed to capture spatio-temporal features for the analysis of video streams. Recognising actions and detecting action transitions…

计算机视觉与模式识别 · 计算机科学 2024-03-06 Harshala Gammulle , David Ahmedt-Aristizabal , Simon Denman , Lachlan Tychsen-Smith , Lars Petersson , Clinton Fookes

This paper presents a novel approach for automatic recognition of human activities for video surveillance applications. We propose to represent an activity by a combination of category components, and demonstrate that this approach offers…

计算机视觉与模式识别 · 计算机科学 2015-03-03 Weiyao Lin , Ming-Ting Sun , Radha Poovendran , Zhengyou Zhang

Fully convolutional neural networks (FCN) have been shown to achieve state-of-the-art performance on the task of classifying time series sequences. We propose the augmentation of fully convolutional networks with long short term memory…

机器学习 · 计算机科学 2018-03-20 Fazle Karim , Somshubra Majumdar , Houshang Darabi , Shun Chen

Activity recognition computer vision algorithms can be used to detect the presence of autism-related behaviors, including what are termed "restricted and repetitive behaviors", or stimming, by diagnostic instruments. The limited data that…

计算机视觉与模式识别 · 计算机科学 2021-01-12 Peter Washington , Aaron Kline , Onur Cezmi Mutlu , Emilie Leblanc , Cathy Hou , Nate Stockham , Kelley Paskov , Brianna Chrisman , Dennis P. Wall

Decisions made by convolutional neural networks(CNN) can be understood and explained by visualizing discriminative regions on images. To this end, Class Activation Map (CAM) based methods were proposed as powerful interpretation tools,…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Yi Liao , Yongsheng Gao , Weichuan Zhang

The demand for lightweight models in image classification tasks under resource-constrained environments necessitates a balance between computational efficiency and robust feature representation. Traditional attention mechanisms, despite…

机器学习 · 计算机科学 2025-04-21 Zhenkai Qin , Feng Zhu , Huan Zeng , Xunyi Nong