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In modern manufacturing, Visual Anomaly Detection (VAD) is essential for automated inspection and consistent product quality. Yet, increasingly dynamic and flexible production environments introduce key challenges: First, frequent product…

机器学习 · 计算机科学 2025-12-16 Haoyu Ren , Kay Koehle , Kirill Dorofeev , Darko Anicic

Towards open-ended Video Anomaly Detection (VAD), existing methods often exhibit biased detection when faced with challenging or unseen events and lack interpretability. To address these drawbacks, we propose Holmes-VAD, a novel framework…

计算机视觉与模式识别 · 计算机科学 2024-07-02 Huaxin Zhang , Xiaohao Xu , Xiang Wang , Jialong Zuo , Chuchu Han , Xiaonan Huang , Changxin Gao , Yuehuan Wang , Nong Sang

The goal of acoustic (or sound) events detection (AED or SED) is to predict the temporal position of target events in given audio segments. This task plays a significant role in safety monitoring, acoustic early warning and other scenarios.…

音频与语音处理 · 电气工程与系统科学 2019-11-26 Wenhao Ding , Liang He

Visual Anomaly Detection (VAD) has gained significant research attention for its ability to identify anomalous images and pinpoint the specific areas responsible for the anomaly. A key advantage of VAD is its unsupervised nature, which…

计算机视觉与模式识别 · 计算机科学 2024-10-16 Manuel Barusco , Francesco Borsatti , Davide Dalle Pezze , Francesco Paissan , Elisabetta Farella , Gian Antonio Susto

Anomaly detection (AD) is often focused on detecting anomaly areas for industrial quality inspection and medical lesion examination. However, due to the specific scenario targets, the data scale for AD is relatively small, and evaluation…

计算机视觉与模式识别 · 计算机科学 2024-04-17 Jiangning Zhang , Chengjie Wang , Xiangtai Li , Guanzhong Tian , Zhucun Xue , Yong Liu , Guansong Pang , Dacheng Tao

Visual Anomaly Detection (VAD) is a critical task in computer vision with numerous real-world applications. However, deploying these models on edge devices presents significant challenges, such as constrained computational and memory…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Manuel Barusco , Lorenzo D'Antoni , Davide Dalle Pezze , Francesco Borsatti , Gian Antonio Susto

Video Anomaly Detection (VAD) is a fundamental challenge in computer vision, particularly due to the open-set nature of anomalies. While recent training-free approaches utilizing Vision-Language Models (VLMs) have shown promise, they…

计算机视觉与模式识别 · 计算机科学 2026-04-06 Lokman Bekit , Hamza Karim , Nghia T Nguyen , Yasin Yilmaz

Unsupervised Anomaly Detection (UAD) aims to identify abnormal regions by establishing correspondences between test images and normal templates. Existing methods primarily rely on image reconstruction or template retrieval but face a…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Mingxiu Cai , Zhe Zhang , Gaochang Wu , Tianyou Chai , Xiatian Zhu

Time series anomaly detection (TSAD) is essential for maintaining the reliability and security of IoT-enabled service systems. Existing methods require training one specific model for each dataset, which exhibits limited generalization…

机器学习 · 计算机科学 2026-04-23 PengYu Chen , Shang Wan , Xiaohou Shi , Yuan Chang , Yan Sun , Sajal K. Das

Anomaly detection is a popular and vital task in various research contexts, which has been studied for several decades. To ensure the safety of people's lives and assets, video surveillance has been widely deployed in various public spaces,…

计算机视觉与模式识别 · 计算机科学 2021-10-12 Jing Ren , Feng Xia , Yemeng Liu , Ivan Lee

Video anomaly detection (VAD) aims to identify abnormal events in videos. Traditional VAD methods generally suffer from the high costs of labeled data and full training, thus some recent works have explored leveraging frozen multi-modal…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Zhaolin Cai , Fan Li , Huiyu Duan , Lijun He , Guangtao Zhai

Audio-Visual Segmentation (AVS) aims to precisely outline audible objects in a visual scene at the pixel level. Existing AVS methods require fine-grained annotations of audio-mask pairs in supervised learning fashion. This limits their…

计算机视觉与模式识别 · 计算机科学 2023-09-14 Swapnil Bhosale , Haosen Yang , Diptesh Kanojia , Xiatian Zhu

Anomaly Detection (AD), as a critical problem, has been widely discussed. In this paper, we specialize in one specific problem, Visual Defect Detection (VDD), in many industrial applications. And in practice, defect image samples are very…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Yapeng Teng , Haoyang Li , Fuzhen Cai , Ming Shao , Siyu Xia

We propose an outlier robust multivariate time series model which can be used for detecting previously unseen anomalous sounds based on noisy training data. The presented approach doesn't assume the presence of labeled anomalies in the…

声音 · 计算机科学 2022-02-07 Wo Jae Lee , Karim Helwani , Arvindh Krishnaswamy , Srikanth Tenneti

Voice Activity Detection (VAD) is the process of automatically determining whether a person is speaking and identifying the timing of their speech in an audiovisual data. Traditionally, this task has been tackled by processing either audio…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Andrea Appiani , Cigdem Beyan

In this paper, we show how to use audio to supervise the learning of active speaker detection in video. Voice Activity Detection (VAD) guides the learning of the vision-based classifier in a weakly supervised manner. The classifier uses…

计算机视觉与模式识别 · 计算机科学 2016-03-30 Punarjay Chakravarty , Tinne Tuytelaars

Voice Activity Detection (VAD) is a fundamental preprocessing step in automatic speech recognition. This is especially true within the broadcast industry where a wide variety of audio materials and recording conditions are encountered.…

音频与语音处理 · 电气工程与系统科学 2021-12-10 Misa Ogura , Matt Haynes

The rapid expansion of data from diverse sources has made anomaly detection (AD) increasingly essential for identifying unexpected observations that may signal system failures, security breaches, or fraud. As datasets become more complex…

机器学习 · 计算机科学 2025-03-18 Haoqi Huang , Ping Wang , Jianhua Pei , Jiacheng Wang , Shahen Alexanian , Dusit Niyato

Despite the remarkable success, recent reconstruction-based anomaly detection (AD) methods via diffusion modeling still involve fine-grained noise-strength tuning and computationally expensive multi-step denoising, leading to a fundamental…

计算机视觉与模式识别 · 计算机科学 2026-03-13 Shunsuke Sakai , Xiangteng He , Chunzhi Gu , Leonid Sigal , Tatsuhito Hasegawa

This paper proposes a framework of explaining anomalous machine sounds in the context of anomalous sound detection~(ASD). While ASD has been extensively explored, identifying how anomalous sounds differ from normal sounds is also beneficial…

音频与语音处理 · 电气工程与系统科学 2024-10-30 Tomoya Nishida , Harsh Purohit , Kota Dohi , Takashi Endo , Yohei Kawaguchi