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Out-of-distribution (OOD) detection aims to discern outliers from the intended data distribution, which is crucial to maintaining high reliability and a good user experience. Most recent studies in OOD detection utilize the information from…

计算与语言 · 计算机科学 2022-10-21 Hyunsoo Cho , Choonghyun Park , Jaewook Kang , Kang Min Yoo , Taeuk Kim , Sang-goo Lee

For most intelligent assistant systems, it is essential to have a mechanism that detects out-of-domain (OOD) utterances automatically to handle noisy input properly. One typical approach would be introducing a separate class that contains…

计算与语言 · 计算机科学 2020-03-30 Yueqi Feng , Jiali Lin

Out of Scope (OOS) detection in Conversational AI solutions enables a chatbot to handle a conversation gracefully when it is unable to make sense of the end-user query. Accurately tagging a query as out-of-domain is particularly hard in…

计算与语言 · 计算机科学 2023-01-18 Cheng Qian , Haode Qi , Gengyu Wang , Ladislav Kunc , Saloni Potdar

Intent recognition is a fundamental component in task-oriented dialogue systems (TODS). Determining user intents and detecting whether an intent is Out-of-Scope (OOS) is crucial for TODS to provide reliable responses. However, traditional…

计算与语言 · 计算机科学 2025-07-31 Galo Castillo-López , Gaël de Chalendar , Nasredine Semmar

In domain classification for spoken dialog systems, correct detection of out-of-domain (OOD) utterances is crucial because it reduces confusion and unnecessary interaction costs between users and the systems. Previous work usually utilizes…

计算与语言 · 计算机科学 2018-07-03 Joo-Kyung Kim , Young-Bum Kim

Out-of-domain (OOD) intent detection aims to examine whether the user's query falls outside the predefined domain of the system, which is crucial for the proper functioning of task-oriented dialogue (TOD) systems. Previous methods address…

计算与语言 · 计算机科学 2024-03-05 Pei Wang , Keqing He , Yejie Wang , Xiaoshuai Song , Yutao Mou , Jingang Wang , Yunsen Xian , Xunliang Cai , Weiran Xu

Out-of-distribution (OOD) detection in multimodal contexts is essential for identifying deviations in combined inputs from different modalities, particularly in applications like open-domain dialogue systems or real-life dialogue…

计算与语言 · 计算机科学 2024-11-01 Rena Gao , Xuetong Wu , Siwen Luo , Caren Han , Feng Liu

Out-of-stock (OOS) detection is a very important retail verification process that aims to infer the unavailability of products in their designated areas on the shelf. In this paper, we introduce OOS-DSD, a novel deep learning-based method…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Franko Šikić , Sven Lončarić

Overlapping Speech Detection (OSD) aims to identify regions where multiple speakers overlap in a conversation, a critical challenge in multi-party speech processing. This work proposes a speaker-aware progressive OSD model that leverages a…

声音 · 计算机科学 2025-05-30 Zhaokai Sun , Li Zhang , Qing Wang , Pan Zhou , Lei Xie

Detecting out-of-domain (OOD) intents from user queries is essential for avoiding wrong operations in task-oriented dialogue systems. The key challenge is how to distinguish in-domain (IND) and OOD intents. Previous methods ignore the…

计算与语言 · 计算机科学 2022-10-20 Yutao Mou , Pei Wang , Keqing He , Yanan Wu , Jingang Wang , Wei Wu , Weiran Xu

Overlapped speech detection (OSD) is critical for speech applications in scenario of multi-party conversion. Despite numerous research efforts and progresses, comparing with speech activity detection (VAD), OSD remains an open challenge and…

声音 · 计算机科学 2022-09-27 Ziqing Du , Kai Liu , Xucheng Wan , Huan Zhou

Task-oriented Dialogue Systems (TODS) often face the challenge of encountering new intents. New Intent Discovery (NID) is a crucial task that aims to identify these novel intents while maintaining the capability to recognize existing ones.…

计算与语言 · 计算机科学 2025-04-01 Lu Fan , Jiashu Pu , Rongsheng Zhang , Xiao-Ming Wu

Out-of-distribution (OOD) detection is essential in autonomous driving, to determine when learning-based components encounter unexpected inputs. Traditional detectors typically use encoder models with fixed settings, thus lacking effective…

计算机视觉与模式识别 · 计算机科学 2024-05-06 Zhenjiang Mao , Dong-You Jhong , Ao Wang , Ivan Ruchkin

Out-of-distribution (OOD) detection lies at the heart of robust artificial intelligence (AI), aiming to identify samples from novel distributions beyond the training set. Recent approaches have exploited feature representations as…

机器学习 · 计算机科学 2025-08-06 Tarhib Al Azad , Faizul Rakib Sayem , Shahana Ibrahim

Open-set object detection (OSOD) localizes objects while identifying and rejecting unknown classes at inference. While recent OSOD models perform well on benchmarks, their behavior under realistic user prompting remains underexplored. In…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Junfeng Lin , Yanming Xiu , Maria Gorlatova

As machine learning becomes increasingly prevalent in impactful decisions, recognizing when inference data is outside the model's expected input distribution is paramount for giving context to predictions. Out-of-distribution (OOD)…

机器学习 · 计算机科学 2024-01-19 Anish Lakkapragada , Amol Khanna , Edward Raff , Nathan Inkawhich

Detecting out-of-domain (OOD) intents from user queries is essential for a task-oriented dialogue system. Previous OOD detection studies generally work on the assumption that plenty of labeled IND intents exist. In this paper, we focus on a…

计算与语言 · 计算机科学 2024-02-23 Pei Wang , Keqing He , Yutao Mou , Xiaoshuai Song , Yanan Wu , Jingang Wang , Yunsen Xian , Xunliang Cai , Weiran Xu

Real-life applications, heavily relying on machine learning, such as dialog systems, demand out-of-domain detection methods. Intent classification models should be equipped with a mechanism to distinguish seen intents from unseen ones so…

计算与语言 · 计算机科学 2022-05-24 Alexander Podolskiy , Dmitry Lipin , Andrey Bout , Ekaterina Artemova , Irina Piontkovskaya

Out-of-distribution (OOD) object detection is a critical task focused on detecting objects that originate from a data distribution different from that of the training data. In this study, we investigate to what extent state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2024-08-22 Sadia Ilyas , Ido Freeman , Matthias Rottmann

The task of identifying out-of-domain (OOD) input examples directly at test-time has seen renewed interest recently due to increased real world deployment of models. In this work, we focus on OOD detection for natural language sentence…

计算与语言 · 计算机科学 2020-01-01 Varun Gangal , Abhinav Arora , Arash Einolghozati , Sonal Gupta