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Cross-lingual named entity recognition (NER) aims to train an NER model for the target language leveraging only labeled source language data and unlabeled target language data. Prior approaches either perform label projection on translated…

计算与语言 · 计算机科学 2024-06-04 Zhuojun Ding , Wei Wei , Xiaoye Qu , Dangyang Chen

Face spoofing causes severe security threats in face recognition systems. Previous anti-spoofing works focused on supervised techniques, typically with either binary or auxiliary supervision. Most of them suffer from limited robustness and…

计算机视觉与模式识别 · 计算机科学 2020-05-25 Chengwei Chen , Wang Yuan , Xuequan Lu , Lizhuang Ma

New advancements for the detection of synthetic images are critical for fighting disinformation, as the capabilities of generative AI models continuously evolve and can lead to hyper-realistic synthetic imagery at unprecedented scale and…

计算机视觉与模式识别 · 计算机科学 2023-04-25 Pantelis Dogoulis , Giorgos Kordopatis-Zilos , Ioannis Kompatsiaris , Symeon Papadopoulos

In this paper, we investigate a deep learning approach for speech denoising through an efficient ensemble of specialist neural networks. By splitting up the speech denoising task into non-overlapping subproblems and introducing a…

音频与语音处理 · 电气工程与系统科学 2020-08-11 Aswin Sivaraman , Minje Kim

Representational harms in language technologies often occur in short spans within otherwise neutral text, where phrases may simultaneously convey generalizations, unfairness, or stereotypes. Framing bias detection as sentence-level…

计算与语言 · 计算机科学 2025-09-17 Maximus Powers , Shaina Raza , Alex Chang , Rehana Riaz , Umang Mavani , Harshitha Reddy Jonala , Ansh Tiwari , Hua Wei

We develop the sparse VAE for unsupervised representation learning on high-dimensional data. The sparse VAE learns a set of latent factors (representations) which summarize the associations in the observed data features. The underlying…

机器学习 · 统计学 2025-04-16 Gemma E. Moran , Dhanya Sridhar , Yixin Wang , David M. Blei

Recent advancements in Generative Adversarial Networks (GANs) have enabled photorealistic image generation with high quality. However, the malicious use of such generated media has raised concerns regarding visual misinformation. Although…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Liviu-Daniel Ştefan , Dan-Cristian Stanciu , Mihai Dogariu , Mihai Gabriel Constantin , Andrei Cosmin Jitaru , Bogdan Ionescu

Detection of a signal under noise is a classical signal processing problem. When monitoring spatial phenomena under a fixed budget, i.e., either physical, economical or computational constraints, the selection of a subset of available…

信号处理 · 电气工程与系统科学 2018-08-01 Mario Coutino , Sundeep Prabhakar Chepuri , Geert Leus

Automatic deception detection is an important task that has gained momentum in computational linguistics due to its potential applications. In this paper, we propose a simple yet tough to beat multi-modal neural model for deception…

计算与语言 · 计算机科学 2018-03-21 Gangeshwar Krishnamurthy , Navonil Majumder , Soujanya Poria , Erik Cambria

The recent renaissance in generative models, driven primarily by the advent of diffusion models and iterative improvement in GAN methods, has enabled many creative applications. However, each advancement is also accompanied by a rise in the…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Sanjay Saha , Rashindrie Perera , Sachith Seneviratne , Tamasha Malepathirana , Sanka Rasnayaka , Deshani Geethika , Terence Sim , Saman Halgamuge

Recent advances in generative models trained on large-scale datasets have made it possible to synthesize high-quality samples across various domains. Moreover, the emergence of strong inversion networks enables not only a reconstruction of…

计算机视觉与模式识别 · 计算机科学 2024-05-17 Juwon Seo , Sung-Hoon Lee , Tae-Young Lee , Seungjun Moon , Gyeong-Moon Park

This paper addresses the problem of face recognition when there is only few, or even only a single, labeled examples of the face that we wish to recognize. Moreover, these examples are typically corrupted by nuisance variables, both linear…

计算机视觉与模式识别 · 计算机科学 2017-04-26 Yuan Gao , Jiayi Ma , Alan L. Yuille

Deepfakes generated by advanced generative models have rapidly posed serious threats, yet existing audiovisual deepfake detection approaches struggle to generalize to unseen manipulation methods. To address this, we propose a novel…

计算机视觉与模式识别 · 计算机科学 2026-03-16 Hyemin Boo , Eunsang Lee , Jiyoung Lee

Language Model (LM)-based generative modeling has emerged as a promising direction for TSE, offering potential for improved generalization and high-fidelity speech. We present GenTSE, a two-stage decoder-only generative LM approach for TSE:…

音频与语音处理 · 电气工程与系统科学 2025-12-25 Haoyang Li , Xuyi Zhuang , Azmat Adnan , Ye Ni , Wei Rao , Shreyas Gopal , Eng Siong Chng

Detecting small objects is notoriously challenging due to their low resolution and noisy representation. Existing object detection pipelines usually detect small objects through learning representations of all the objects at multiple…

计算机视觉与模式识别 · 计算机科学 2017-06-21 Jianan Li , Xiaodan Liang , Yunchao Wei , Tingfa Xu , Jiashi Feng , Shuicheng Yan

We introduce Genie, the first generative interactive environment trained in an unsupervised manner from unlabelled Internet videos. The model can be prompted to generate an endless variety of action-controllable virtual worlds described…

Pseudo-label learning methods have been widely applied in weakly-supervised temporal action localization. Existing works directly utilize weakly-supervised base model to generate instance-level pseudo-labels for training the…

计算机视觉与模式识别 · 计算机科学 2025-05-01 Quan Zhang , Yuxin Qi , Xi Tang , Rui Yuan , Xi Lin , Ke Zhang , Chun Yuan

The recent development of generative models unleashes the potential of generating hyper-realistic fake images. To prevent the malicious usage of fake images, AI-generated image detection aims to distinguish fake images from real images.…

计算机视觉与模式识别 · 计算机科学 2024-04-23 Jiaxuan Chen , Jieteng Yao , Li Niu

Deepfake detectors face growing challenges in generalization as new image synthesis techniques emerge. In particular, deepfakes generated by diffusion models are highly photorealistic and often evade detectors trained on GAN-based…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Hongyuan Qi , Wenjin Hou , Hehe Fan , Jun Xiao

The rapid advancement of photorealistic generators has reached a critical juncture where the discrepancy between authentic and manipulated images is increasingly indistinguishable. Thus, benchmarking and advancing techniques detecting…

计算机视觉与模式识别 · 计算机科学 2024-09-30 Yaning Zhang , Zitong Yu , Tianyi Wang , Xiaobin Huang , Linlin Shen , Zan Gao , Jianfeng Ren