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Anomaly detection systems aim to detect and report attacks or unexpected behavior in networked systems. Previous work has shown that anomalies have an impact on system performance, and that performance signatures can be effectively used for…

With the widespread deployment of deep-learning-based speech models in security-critical applications, backdoor attacks have emerged as a serious threat: an adversary who poisons a small fraction of training data can implant a hidden…

密码学与安全 · 计算机科学 2026-03-20 Kun Wang , Meng Chen , Junhao Wang , Yuli Wu , Li Lu , Chong Zhang , Peng Cheng , Jiaheng Zhang , Kui Ren

Intelligent text entry (ITE) methods, such as word suggestions, are widely used in mobile typing, yet improving ITE systems is challenging because the cognitive mechanisms behind suggestion use remain poorly understood, and evaluating new…

人机交互 · 计算机科学 2026-04-09 Yang Li , Anna Maria Feit

Voice-controlled dialog systems have become immensely popular due to their ability to perform a wide range of actions in response to diverse user queries. These agents possess a predefined set of skills or intents to fulfill specific user…

计算与语言 · 计算机科学 2026-03-17 Ankan Mullick , Sukannya Purkayastha , Saransh Sharma , Pawan Goyal , Niloy Ganguly

Visual perception of a person is easily influenced by many factors such as camera parameters, pose and viewpoint variations. These variations make person Re-Identification (ReID) a challenging problem. Nevertheless, human attributes usually…

计算机视觉与模式识别 · 计算机科学 2021-08-11 Fariborz Taherkhani , Ali Dabouei , Sobhan Soleymani , Jeremy Dawson , Nasser M. Nasrabadi

In this paper we evaluate mobile active authentication based on an ensemble of biometrics and behavior-based profiling signals. We consider seven different data channels and their combination. Touch dynamics (touch gestures and…

密码学与安全 · 计算机科学 2019-01-30 Alejandro Acien , Aythami Morales , Ruben Vera-Rodriguez , Julian Fierrez

Controllable text generation systems often leverage control codes to direct various properties of the output like style and length. Inspired by recent work on causal inference for NLP, this paper reveals a previously overlooked flaw in…

计算与语言 · 计算机科学 2022-10-10 Junyi Chai , Reid Pryzant , Victor Ye Dong , Konstantin Golobokov , Chenguang Zhu , Yi Liu

Person text-image matching, also known as text based person search, aims to retrieve images of specific pedestrians using text descriptions. Although person text-image matching has made great research progress, existing methods still face…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Fan Li , Hang Zhou , Huafeng Li , Yafei Zhang , Zhengtao Yu

Cross-domain Click-Through Rate prediction aims to tackle the data sparsity and the cold start problems in online advertising systems by transferring knowledge from source domains to a target domain. Most existing methods rely on…

人工智能 · 计算机科学 2025-07-08 Wei Xu , Haoran Li , Baoyuan Ou , Lai Xu , Yingjie Qin , Ruilong Su , Ruiwen Xu

Numerous activities in our daily life require us to verify who we are by showing our ID documents containing face images, such as passports and driver licenses, to human operators. However, this process is slow, labor intensive and…

计算机视觉与模式识别 · 计算机科学 2018-09-19 Yichun Shi , Anil K. Jain

Handwritten text recognition aims to convert visual input into machine-readable text, and it remains challenging due to the evolving and context-dependent nature of handwriting. Character sets change over time, and character frequency…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Panagiotis Kaliosis , John Pavlopoulos

Shannon's Index of Difficulty ($ID$), reputable for quantifying the perceived difficulty of pointing tasks as a logarithmic relationship between movement-amplitude ($A$) and target-width ($W$), is used for modelling the corresponding…

人机交互 · 计算机科学 2022-02-17 Mohammad Ridwan Kabir , Mohammad Ishrak Abedin , Rizvi Ahmed , Hasan Mahmud , Md. Kamrul Hasan

Evaluation protocols play key role in the developmental progress of text detection methods. There are strict requirements to ensure that the evaluation methods are fair, objective and reasonable. However, existing metrics exhibit some…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Yuliang Liu , Lianwen Jin , Zecheng Xie , Canjie Luo , Shuaitao Zhang , Lele Xie

Traffic anomaly detection (TAD) in driving videos is critical for ensuring the safety of autonomous driving and advanced driver assistance systems. Previous single-stage TAD methods primarily rely on frame prediction, making them vulnerable…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Rongqin Liang , Yuanman Li , Jiantao Zhou , Xia Li

Existing visual trackers mainly operate in a non-interactive, fire-and-forget manner, making them impractical for real-world scenarios that require human-in-the-loop adaptation. To overcome this limitation, we introduce Interactive…

计算机视觉与模式识别 · 计算机科学 2026-04-03 Yuqing Huang , Guotian Zeng , Zhenqiao Yuan , Zhenyu He , Xin Li , Yaowei Wang , Ming-Hsuan Yang

This paper introduces a method for realistic kinetic typography that generates user-preferred animatable 'text content'. We draw on recent advances in guided video diffusion models to achieve visually-pleasing text appearances. To do this,…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Seonmi Park , Inhwan Bae , Seunghyun Shin , Hae-Gon Jeon

In the context of widespread global information sharing, information security and privacy protection have become focal points. Steganographic systems enhance information security by embedding confidential information into public carriers;…

密码学与安全 · 计算机科学 2024-10-29 Zezheng Qin , Congcong Sun , Taiyi He , Yuke He , Azizol Abdullah , Normalia Samian , Nuur Alifah Roslan

This paper presents a scene text detection technique that exploits bootstrapping and text border semantics for accurate localization of texts in scenes. A novel bootstrapping technique is designed which samples multiple 'subsections' of a…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Chuhui Xue , Shijian Lu , Fangneng Zhan

As large language models are integrated into society, robustness toward a suite of prompts is increasingly important to maintain reliability in a high-variance environment.Robustness evaluations must comprehensively encapsulate the various…

计算与语言 · 计算机科学 2023-11-14 Alex Mei , Sharon Levy , William Yang Wang

Backdoor attacks targeting text-to-image diffusion models have advanced rapidly. However, current backdoor samples often exhibit two key abnormalities compared to benign samples: 1) Semantic Consistency, where backdoor prompts tend to…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Jie Zhang , Zhongqi Wang , Shiguang Shan , Xilin Chen