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We propose a novel method for Acoustic Event Detection (AED). In contrast to speech, sounds coming from acoustic events may be produced by a wide variety of sources. Furthermore, distinguishing them often requires analyzing an extended time…

声音 · 计算机科学 2016-12-09 Naoya Takahashi , Michael Gygli , Beat Pfister , Luc Van Gool

Intuitive observations show that a baby may inherently possess the capability of recognizing a new visual concept (e.g., chair, dog) by learning from only very few positive instances taught by parent(s) or others, and this recognition…

计算机视觉与模式识别 · 计算机科学 2015-05-05 Xiaodan Liang , Si Liu , Yunchao Wei , Luoqi Liu , Liang Lin , Shuicheng Yan

Timely detection of concerning events is an important problem in clinical practice. In this paper, we consider the problem of conditional anomaly detection that aims to identify data instances with an unusual response, such as the omission…

机器学习 · 计算机科学 2026-04-27 Michal Valko , Hamed Valizadegan , Branislav Kveton , Gregory F. Cooper , Milos Hauskrecht

This paper presents a fully automated approach for identifying speech anomalies from voice recordings to aid in the assessment of speech impairments. By combining Connectionist Temporal Classification (CTC) and encoder-decoder-based…

声音 · 计算机科学 2023-08-04 Laurin Wagner , Mario Zusag , Theresa Bloder

To make the earlier medical intervention of infants' cerebral palsy (CP), early diagnosis of brain damage is critical. Although general movements assessment(GMA) has shown promising results in early CP detection, it is laborious. Most…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Tongyi Luo , Jia Xiao , Chuncao Zhang , Siheng Chen , Yuan Tian , Guangjun Yu , Kang Dang , Xiaowei Ding

The challenging field of scene text detection requires complex data annotation, which is time-consuming and expensive. Techniques, such as weak supervision, can reduce the amount of data needed. In this paper we propose a weak supervision…

计算机视觉与模式识别 · 计算机科学 2022-01-14 Emanuel Metzenthin , Christian Bartz , Christoph Meinel

Current state of the art methods for generating semantic segmentation rely heavily on a large set of images that have each pixel labeled with a class of interest label or background. Coming up with such labels, especially in domains that…

计算机视觉与模式识别 · 计算机科学 2020-07-14 R. Austin McEver , B. S. Manjunath

A commonly adopted approach to carry out detection tasks in medical imaging is to rely on an initial segmentation. However, this approach strongly depends on voxel-wise annotations which are repetitive and time-consuming to draw for medical…

Speech Emotion Recognition (SER) plays a pivotal role in enhancing human-computer interaction by enabling a deeper understanding of emotional states across a wide range of applications, contributing to more empathetic and effective…

音频与语音处理 · 电气工程与系统科学 2023-09-25 Amirali Soltani Tehrani , Niloufar Faridani , Ramin Toosi

The increasing prominence of weakly labeled data nurtures a growing demand for object detection methods that can cope with minimal supervision. We propose an approach that automatically identifies discriminative configurations of visual…

计算机视觉与模式识别 · 计算机科学 2014-06-26 Hyun Oh Song , Yong Jae Lee , Stefanie Jegelka , Trevor Darrell

Camera traps have revolutionized the animal research of many species that were previously nearly impossible to observe due to their habitat or behavior. They are cameras generally fixed to a tree that take a short sequence of images when…

计算机视觉与模式识别 · 计算机科学 2022-08-31 Pierrick Pochelu , Clara Erard , Philippe Cordier , Serge G. Petiton , Bruno Conche

Anomaly detection is the process of finding data points that deviate from a baseline. In a real-life setting, anomalies are usually unknown or extremely rare. Moreover, the detection must be accomplished in a timely manner or the risk of…

机器学习 · 计算机科学 2019-04-26 Mariem Ben Fadhel , Kofi Nyarko

Surveillance footage can catch a wide range of realistic anomalies. This research suggests using a weakly supervised strategy to avoid annotating anomalous segments in training videos, which is time consuming. In this approach only video…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Kapil Deshpande , Narinder Singh Punn , Sanjay Kumar Sonbhadra , Sonali Agarwal

Anomalous event detection in surveillance videos is a challenging and practical research problem among image and video processing community. Compared to the frame-level annotations of anomalous events, obtaining video-level annotations is…

计算机视觉与模式识别 · 计算机科学 2020-09-28 Muhammad Zaigham Zaheer , Arif Mahmood , Hochul Shin , Seung-Ik Lee

The performance of supervised classification techniques often deteriorates when the data has noisy labels. Even the semi-supervised classification approaches have largely focused only on the problem of handling missing labels. Most of the…

机器学习 · 计算机科学 2022-05-05 Ashit Gupta , Anirudh Deodhar , Tathagata Mukherjee , Venkataramana Runkana

Industrial pumps are essential components in various sectors, such as manufacturing, energy production, and water treatment, where their failures can cause significant financial and safety risks. Anomaly detection can be used to reduce…

信号处理 · 电气工程与系统科学 2025-03-11 Jonas Ney , Norbert Wehn

Automatic crack detection is a critical task that has the potential to drastically reduce labor-intensive building and road inspections currently being done manually. Recent studies in this field have significantly improved the detection…

计算机视觉与模式识别 · 计算机科学 2020-11-05 Yuki Inoue , Hiroto Nagayoshi

Contrastive learning has shown outstanding performances in both supervised and unsupervised learning, and has recently been introduced to solve weakly supervised learning problems such as semi-supervised learning and noisy label learning.…

机器学习 · 计算机科学 2023-06-08 Jingyi Cui , Weiran Huang , Yifei Wang , Yisen Wang

Audio event classification is an important task for several applications such as surveillance, audio, video and multimedia retrieval etc. There are approximately 3M people with hearing loss who can't perceive events happening around them.…

声音 · 计算机科学 2020-01-14 Harishchandra Dubey , Dimitra Emmanouilidou , Ivan J. Tashev

We present a meta-learning framework for weakly supervised anomaly detection in videos, where the detector learns to adapt to unseen types of abnormal activities effectively when only video-level annotations of binary labels are available.…

计算机视觉与模式识别 · 计算机科学 2022-03-28 Jaeyoo Park , Junha Kim , Bohyung Han