中文
相关论文

相关论文: Temporal Shift -- Multi-Objective Loss Function fo…

200 篇论文

Transferring image-based object detectors to the domain of video remains challenging under resource constraints. Previous efforts utilised optical flow to allow unchanged features to be propagated, however, the overhead is considerable when…

计算机视觉与模式识别 · 计算机科学 2021-06-22 Amin Sabet , Jonathon Hare , Bashir Al-Hashimi , Geoff V. Merrett

Temporal Action Localization (TAL) remains a fundamental challenge in video understanding, aiming to identify the start time, end time, and category of all action instances within untrimmed videos. While recent single-stage, anchor-free…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Thisara Rathnayaka , Uthayasanker Thayasivam

The employment of convolutional neural networks has led to significant performance improvement on the task of object detection. However, when applying existing detectors to continuous frames in a video, we often encounter momentary…

计算机视觉与模式识别 · 计算机科学 2020-01-17 Yusuke Hosoya , Masanori Suganuma , Takayuki Okatani

Falls are a common cause of fatal injuries and hospitalization. However, having fall detection on person, in particular for senior citizens can prove to be critical. Presently,there are handheld, ambient detector and vision-based detection…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Fatima Ahmed , Parag Biswas , Abdur Rashid , Md. Khaliluzzaman

Unsupervised anomaly detection and localization is crucial to the practical application when collecting and labeling sufficient anomaly data is infeasible. Most existing representation-based approaches extract normal image features with a…

计算机视觉与模式识别 · 计算机科学 2021-11-17 Jiawei Yu , Ye Zheng , Xiang Wang , Wei Li , Yushuang Wu , Rui Zhao , Liwei Wu

Time series anomaly detection (TSAD) plays a vital role in many industrial applications. While contrastive learning has gained momentum in the time series domain for its prowess in extracting meaningful representations from unlabeled data,…

机器学习 · 计算机科学 2025-01-28 Katrina Chen , Mingbin Feng , Tony S. Wirjanto

Fall prevalence is high among elderly people, which is challenging due to the severe consequences of falling. This is why rapid assistance is a critical task. Ambient assisted living (AAL) uses recent technologies such as 5G networks and…

While anomaly detection in time series has been an active area of research for several years, most recent approaches employ an inadequate evaluation criterion leading to an inflated F1 score. We show that a rudimentary Random Guess method…

机器学习 · 计算机科学 2022-03-11 Keval Doshi , Shatha Abudalou , Yasin Yilmaz

Event cameras, which are asynchronous bio-inspired vision sensors, have shown great potential in computer vision and artificial intelligence. However, the application of event cameras to object-level motion estimation or tracking is still…

计算机视觉与模式识别 · 计算机科学 2020-09-21 Haosheng Chen , David Suter , Qiangqiang Wu , Hanzi Wang

The proportion of elderly people is increasing worldwide, particularly those living alone in Japan. As elderly people get older, their risks of physical disabilities and health issues increase. To automatically discover these issues at a…

机器学习 · 计算机科学 2024-11-21 Kai Tanaka , Mineichi Kudo , Keigo Kimura , Atsuyoshi Nakamura

In recent years a growing interest on action recognition is observed, including detection of fall accident for the elderly. However, despite many efforts undertaken, the existing technology is not widely used by elderly, mainly because of…

计算机视觉与模式识别 · 计算机科学 2017-06-27 Michal Kepski

Fall detection is a vital task in health monitoring, as it allows the system to trigger an alert and therefore enabling faster interventions when a person experiences a fall. Although most previous approaches rely on standard RGB video…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Hejun Xiao , Kunyu Peng , Xiangsheng Huang , Alina Roitberg1 , Hao Li , Zhaohui Wang , Rainer Stiefelhagen

This paper proposes an algorithm based on a staged sliding window Transformer architecture to detect abnormal behaviors in the microstructure of the foreign exchange market, focusing on high-frequency EUR/USD trading data. The method…

机器学习 · 计算机科学 2025-04-02 Qiuliuyang Bao , Jiawei Wang , Hao Gong , Yiwei Zhang , Xiaojun Guo , Hanrui Feng

This paper presents a novel approach to fall prediction for bipedal robots, specifically targeting the detection of potential falls while standing caused by abrupt, incipient, and intermittent faults. Leveraging a 1D convolutional neural…

机器人学 · 计算机科学 2025-06-03 M. Eva Mungai , Gokul Prabhakaran , Jessy W. Grizzle

Change detection typically involves identifying regions with changes between bitemporal images taken at the same location. Besides significant changes, slow changes in bitemporal images are also important in real-life scenarios. For…

计算机视觉与模式识别 · 计算机科学 2025-07-04 Haoxuan Li , Chenxu Wei , Haodong Wang , Xiaomeng Hu , Boyuan An , Lingyan Ran , Baosen Zhang , Jin Jin , Omirzhan Taukebayev , Amirkhan Temirbayev , Junrui Liu , Xiuwei Zhang

Landmark localization is a challenging problem in computer vision with a multitude of applications. Recent deep learning based methods have shown improved results by regressing likelihood maps instead of regressing the coordinates directly.…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Brian Teixeira , Birgi Tamersoy , Vivek Singh , Ankur Kapoor

Video Anomaly Detection (VAD) can play a key role in spotting unusual activities in video footage. VAD is difficult to use in real-world settings due to the dynamic nature of human actions, environmental variations, and domain shifts.…

计算机视觉与模式识别 · 计算机科学 2025-08-13 Shanle Yao , Ghazal Alinezhad Noghre , Armin Danesh Pazho , Hamed Tabkhi

Unsupervised anomaly detection is vital in industrial fields, with reconstruction-based methods favored for their simplicity and effectiveness. However, reconstruction methods often encounter an identical shortcut issue, where both normal…

计算机视觉与模式识别 · 计算机科学 2026-03-25 Wei Luo , Haiming Yao , Zhenfeng Qiang , Xiaotian Zhang , Weihang Zhang

Vision Transformers achieve impressive accuracy across a range of visual recognition tasks. Unfortunately, their accuracy frequently comes with high computational costs. This is a particular issue in video recognition, where models are…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Matthew Dutson , Yin Li , Mohit Gupta

The detection of moving infrared dim-small targets has been a challenging and prevalent research topic. The current state-of-the-art methods are mainly based on ConvLSTM to aggregate information from adjacent frames to facilitate the…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Dengyan Luo , Yanping Xiang , Hu Wang , Luping Ji , Shuai Li , Mao Ye