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Image denoising is essential in low-level vision applications such as photography and automated driving. Existing methods struggle with distinguishing complex noise patterns in real-world scenes and consume significant computational…

图像与视频处理 · 电气工程与系统科学 2025-05-06 Binghong Chen , Tingting Chai , Wei Jiang , Yuanrong Xu , Guanglu Zhou , Xiangqian Wu

The performance of the keyword spotting (KWS) system based on audio modality, commonly measured in false alarms and false rejects, degrades significantly under the far field and noisy conditions. Therefore, audio-visual keyword spotting,…

声音 · 计算机科学 2023-03-15 Ao Zhang , He Wang , Pengcheng Guo , Yihui Fu , Lei Xie , Yingying Gao , Shilei Zhang , Junlan Feng

Existing keyword spotting (KWS) systems primarily rely on predefined keyword phrases. However, the ability to recognize customized keywords is crucial for tailoring interactions with intelligent devices. In this paper, we present a novel…

计算与语言 · 计算机科学 2024-11-26 Zhenyu Wang , Shuyu Kong , Li Wan , Biqiao Zhang , Yiteng Huang , Mumin Jin , Ming Sun , Xin Lei , Zhaojun Yang

Moving infrared small target detection (IRSTD) plays a critical role in practical applications, such as surveillance of unmanned aerial vehicles (UAVs) and UAV-based search system. Moving IRSTD still remains highly challenging due to weak…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Houzhang Fang , Shukai Guo , Qiuhuan Chen , Yi Chang , Luxin Yan

The purpose of gesture recognition is to recognize meaningful movements of human bodies, and gesture recognition is an important issue in computer vision. In this paper, we present a multimodal gesture recognition method based on 3D densely…

计算机视觉与模式识别 · 计算机科学 2020-01-17 Yi Zhang , Chong Wang , Ye Zheng , Jieyu Zhao , Yuqi Li , Xijiong Xie

Deep learning models have enjoyed great success for image related computer vision tasks like image classification and object detection. For video related tasks like human action recognition, however, the advancements are not as significant…

计算机视觉与模式识别 · 计算机科学 2018-09-12 Xiaolin Song , Cuiling Lan , Wenjun Zeng , Junliang Xing , Jingyu Yang , Xiaoyan Sun

Sufficiently modeling the correlations among variables (aka channels) is crucial for achieving accurate multivariate time series forecasting (MTSF). In this paper, we propose a novel technique called Temporal Query (TQ) to more effectively…

机器学习 · 计算机科学 2025-09-12 Shengsheng Lin , Haojun Chen , Haijie Wu , Chunyun Qiu , Weiwei Lin

Facial expression spotting is a significant but challenging task in facial expression analysis. The accuracy of expression spotting is affected not only by irrelevant facial movements but also by the difficulty of perceiving subtle motions…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Yicheng Deng , Hideaki Hayashi , Hajime Nagahara

One of the challenges in developing a high quality custom keyword spotting (KWS) model is the lengthy and expensive process of collecting training data covering a wide range of languages, phrases and speaking styles. We introduce Synth4Kws…

音频与语音处理 · 电气工程与系统科学 2026-02-06 Pai Zhu , Dhruuv Agarwal , Jacob W. Bartel , Kurt Partridge , Hyun Jin Park , Quan Wang

Over the past decade, deep learning research has been accelerated by increasingly powerful hardware, which facilitated rapid growth in the model complexity and the amount of data ingested. This is becoming unsustainable and therefore…

机器学习 · 计算机科学 2024-02-08 Damian Owerko , Charilaos I. Kanatsoulis , Alejandro Ribeiro

Keyword spotting (KWS) identifies words for voice assistants, but environmental noise frequently reduces accuracy. Standard adaptation fixes this issue and strictly requires original or labeled audio. Test time adaptation (TTA) solves this…

音频与语音处理 · 电气工程与系统科学 2026-03-09 Hanyu Ding , Yang Xiao , Jiaheng Dong , Ting Dang

Keyword spotting (KWS) aims to discriminate a specific wake-up word from other signals precisely and efficiently for different users. Recent works utilize various deep networks to train KWS models with all users' speech data centralized…

机器学习 · 计算机科学 2022-06-20 Xin-Chun Li , Jin-Lin Tang , Shaoming Song , Bingshuai Li , Yinchuan Li , Yunfeng Shao , Le Gan , De-Chuan Zhan

Predicting smartphone users activity using WiFi fingerprints has been a popular approach for indoor positioning in recent years. However, such a high dimensional time-series prediction problem can be very tricky to solve. To address this…

机器学习 · 计算机科学 2019-11-22 Weizhu Qian , Fabrice Lauri , Franck Gechter

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

Temporal sentence grounding (TSG) aims to localize the temporal segment which is semantically aligned with a natural language query in an untrimmed video.Most existing methods extract frame-grained features or object-grained features by 3D…

计算机视觉与模式识别 · 计算机科学 2023-02-22 Zeyu Xiong , Daizong Liu , Pan Zhou , Jiahao Zhu

Algorithms for video action recognition should consider not only spatial information but also temporal relations, which remains challenging. We propose a 3D-CNN-based action recognition model, called the blockwise temporal-spatial path-way…

计算机视觉与模式识别 · 计算机科学 2022-08-08 SeulGi Hong , Min-Kook Choi

The development of high-performance, on-device keyword spotting (KWS) systems for ultra-low-power hardware is critically constrained by the scarcity of specialized, multi-command training datasets. Traditional data collection through human…

声音 · 计算机科学 2025-11-25 Lu Gan , Xi Li

Evaluating anomaly detection in multivariate time series (MTS) requires careful consideration of temporal dependencies, particularly when detecting subsequence anomalies common in fault detection scenarios. While time series…

机器学习 · 统计学 2025-06-17 Steven C. Hespeler , Pablo Moriano , Mingyan Li , Samuel C. Hollifield

There exists a correlation between geospatial activity temporal patterns and type of land use. A novel self-supervised approach is proposed to stratify landscape based on mobility activity time series. First, the time series signal is…

计算机视觉与模式识别 · 计算机科学 2024-01-18 Yi Cao , Swetava Ganguli , Vipul Pandey

Model-based control methods for robotic systems such as quadrotors, autonomous driving vehicles and flexible manipulators require motion models that generate accurate predictions of complex nonlinear system dynamics over long periods of…

机器人学 · 计算机科学 2021-10-11 Samuel Looper , Steven L. Waslander