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The advanced text generation methods have witnessed great success in text summarization, language translation, and synthetic news generation. However, these techniques can be abused to generate disinformation and fake news. To better…

计算与语言 · 计算机科学 2020-12-15 Kai Shu , Yichuan Li , Kaize Ding , Huan Liu

In the last few years, we have witnessed the rise of a series of deep learning methods to generate synthetic images that look extremely realistic. These techniques prove useful in the movie industry and for artistic purposes. However, they…

计算机视觉与模式识别 · 计算机科学 2022-03-07 Sara Mandelli , Nicolò Bonettini , Paolo Bestagini , Stefano Tubaro

The performance of neural network models is often limited by the availability of big data sets. To treat this problem, we survey and develop novel synthetic data generation and augmentation techniques for enhancing low/zero-sample learning…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Nathan Clement , Alan Schoen , Arnold Boedihardjo , Andrew Jenkins

In image classification, a lot of development has happened in detecting out-of-distribution (OoD) data. However, most OoD detection methods are evaluated on a standard set of datasets, arbitrarily different from training data. There is no…

计算机视觉与模式识别 · 计算机科学 2022-09-27 Jishnu Mukhoti , Tsung-Yu Lin , Bor-Chun Chen , Ashish Shah , Philip H. S. Torr , Puneet K. Dokania , Ser-Nam Lim

Synthetic datasets are widely used for training urban scene recognition models, but even highly realistic renderings show a noticeable gap to real imagery. This gap is particularly pronounced when adapting to a specific target domain, such…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Denis Zavadski , Damjan Kalšan , Tim Küchler , Haebom Lee , Stefan Roth , Carsten Rother

In recent years, speech generation technology has advanced rapidly, fueled by generative models and large-scale training techniques. While these developments have enabled the production of high-quality synthetic speech, they have also…

计算与语言 · 计算机科学 2024-09-18 Peizhuo Liu , Li Wang , Renqiang He , Haorui He , Lei Wang , Huadi Zheng , Jie Shi , Tong Xiao , Zhizheng Wu

Multimodal fusion, leveraging data like vision and language, is rapidly gaining traction. This enriched data representation improves performance across various tasks. Existing methods for out-of-distribution (OOD) detection, a critical area…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Jinglun Li , Xinyu Zhou , Kaixun Jiang , Lingyi Hong , Pinxue Guo , Zhaoyu Chen , Weifeng Ge , Wenqiang Zhang

This paper presents an approach to detect out-of-context (OOC) objects in an image. Given an image with a set of objects, our goal is to determine if an object is inconsistent with the scene context and detect the OOC object with a bounding…

计算机视觉与模式识别 · 计算机科学 2022-05-09 Manoj Acharya , Anirban Roy , Kaushik Koneripalli , Susmit Jha , Christopher Kanan , Ajay Divakaran

The increasing applications of autonomous driving systems necessitates large-scale, high-quality datasets to ensure robust performance across diverse scenarios. Synthetic data has emerged as a viable solution to augment real-world datasets…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Enes Özeren , Arka Bhowmick

Deep learning approaches to object detection have achieved reliable detection of specific object classes in images. However, extending a model's detection capability to new object classes requires large amounts of annotated training data,…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Vikhyat Agarwal , Jiayi Cora Guo , Declan Hoban , Sissi Zhang , Nicholas Moran , Peter Cho , Srilakshmi Pattabiraman , Shantanu Joshi

The advent of accessible Generative AI tools enables anyone to create and spread synthetic images on social media, often with the intention to mislead, thus posing a significant threat to online information integrity. Most existing…

计算机视觉与模式识别 · 计算机科学 2025-06-16 Efthymia Amarantidou , Christos Koutlis , Symeon Papadopoulos , Panagiotis C. Petrantonakis

In order to navigate safely and reliably in off-road and unstructured environments, robots must detect anomalies that are out-of-distribution (OOD) with respect to the training data. We present an analysis-by-synthesis approach for…

机器人学 · 计算机科学 2025-05-30 Siddharth Ancha , Sunshine Jiang , Travis Manderson , Laura Brandt , Yilun Du , Philip R. Osteen , Nicholas Roy

In this paper, we investigate a practical yet challenging task: On-the-fly Category Discovery (OCD). This task focuses on the online identification of newly arriving stream data that may belong to both known and unknown categories,…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Xiao Liu , Nan Pu , Haiyang Zheng , Wenjing Li , Nicu Sebe , Zhun Zhong

The rapid advancement of generative models in creating highly realistic images poses substantial risks for misinformation dissemination. For instance, a synthetic image, when shared on social media, can mislead extensive audiences and erode…

计算机视觉与模式识别 · 计算机科学 2025-06-27 Zhenglin Huang , Jinwei Hu , Xiangtai Li , Yiwei He , Xingyu Zhao , Bei Peng , Baoyuan Wu , Xiaowei Huang , Guangliang Cheng

Image captioning research achieved breakthroughs in recent years by developing neural models that can generate diverse and high-quality descriptions for images drawn from the same distribution as training images. However, when facing…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Gabi Shalev , Gal-Lev Shalev , Joseph Keshet

Out-of-distribution (OOD) detection is an important topic for real-world machine learning systems, but settings with limited in-distribution samples have been underexplored. Such few-shot OOD settings are challenging, as models have scarce…

机器学习 · 计算机科学 2023-12-27 Nikhil Mehta , Kevin J Liang , Jing Huang , Fu-Jen Chu , Li Yin , Tal Hassner

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

Conversational agents are usually designed for closed-world environments. Unfortunately, users can behave unexpectedly. Based on the open-world environment, we often encounter the situation that the training and test data are sampled from…

计算与语言 · 计算机科学 2022-04-25 Petr Lorenc , Tommaso Gargiani , Jan Pichl , Jakub Konrád , Petr Marek , Ondřej Kobza , Jan Šedivý

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

Prior research on out-of-distribution detection (OoDD) has primarily focused on single-modality models. Recently, with the advent of large-scale pretrained vision-language models such as CLIP, OoDD methods utilizing such multi-modal…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Jeonghyeon Kim , Sangheum Hwang