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Image classification is an enthusiastic research field where large amount of image data is classified into various classes based on their visual contents. Researchers have presented various low-level features-based techniques for…

多媒体 · 计算机科学 2015-10-09 Khan Muhammad , Irfan Mehmood , Mi Young Lee , Su Mi Ji , Sung Wook Baik

Semantic communication (SemCom) has emerged as a key technology for the forthcoming sixth-generation (6G) network, attributed to its enhanced communication efficiency and robustness against channel noise. However, the open nature of…

信号处理 · 电气工程与系统科学 2024-04-19 Shunpu Tang , Chen Liu , Qianqian Yang , Shibo He , Dusit Niyato

Many widely used Internet messaging and calling apps, such as WhatsApp, Viber, Telegram, and Signal, have deployed an end-to-end encryption functionality. To defeat potential MITM attackers against the key exchange protocol, the approach…

密码学与安全 · 计算机科学 2017-07-18 Maliheh Shirvanian , Nitesh Saxena , Jesvin James George

The paper illustrates the research result of the application of semantic technology to ease the use and reuse of digital contents exposed as Linked Data on the web. It focuses on the specific issue of explorative research for the resource…

数字图书馆 · 计算机科学 2011-10-12 Riccardo Albertoni , Monica De Martino

The proliferation of consumer IoT products in our daily lives has raised the need for secure device authentication and access control. Unfortunately, these resource-constrained devices typically use token-based authentication, which is…

密码学与安全 · 计算机科学 2024-03-25 Yue Xiao , Yi He , Xiaoli Zhang , Qian Wang , Renjie Xie , Kun Sun , Ke Xu , Qi Li

Semantic communication, an intelligent communication paradigm that aims to transmit useful information in the semantic domain, is facilitated by deep learning techniques. Robust semantic features can be learned and transmitted in an analog…

信号处理 · 电气工程与系统科学 2024-01-05 Lei Guo , Wei Chen , Yuxuan Sun , Bo Ai

Multi-modal visual understanding of images with prompts involves using various visual and textual cues to enhance the semantic understanding of images. This approach combines both vision and language processing to generate more accurate…

计算机视觉与模式识别 · 计算机科学 2023-05-17 Yuzhou Peng

Tags assigned by users to shared content can be ambiguous. As a possible solution, we propose semantic tagging as a collaborative process in which a user selects and associates Web resources drawn from a knowledge context. We applied this…

数字图书馆 · 计算机科学 2013-04-08 Bernhard Haslhofer , Werner Robitza , Carl Lagoze , Francois Guimbretiere

Semantic memory is the subsystem of human memory that stores knowledge of concepts or meanings, as opposed to life specific experiences. The organization of concepts within semantic memory can be understood as a semantic network, where the…

Most of current semantic communication (SemCom) frameworks focus on the image transmission, which, however, do not address the problem on how to deliver digital signals without any semantic features. This paper proposes a novel SemCom…

信号处理 · 电气工程与系统科学 2025-04-03 Zhigang Yan , Dong Li

Effective human action recognition is widely used for cobots in Industry 4.0 to assist in assembly tasks. However, conventional skeleton-based methods often lose keypoint semantics, limiting their effectiveness in complex interactions. In…

计算机视觉与模式识别 · 计算机科学 2025-06-24 Dustin Aganian , Erik Franze , Markus Eisenbach , Horst-Michael Gross

Web agents have emerged as an effective paradigm for automating interactions with complex web environments, yet remain vulnerable to prompt injection attacks that embed malicious instructions into webpage content to induce unintended…

密码学与安全 · 计算机科学 2026-04-29 Mengyao Du , Han Fang , Haokai Ma , Jiahao Chen , Kai Xu , Quanjun Yin , Ee-Chien Chang

Two-factor authentication protects online accounts even if passwords are leaked. Most users, however, prefer password-only authentication. One reason why two-factor authentication is so unpopular is the extra steps that the user must…

密码学与安全 · 计算机科学 2015-08-04 Nikolaos Karapanos , Claudio Marforio , Claudio Soriente , Srdjan Capkun

Symbolic execution is a successful and very popular technique used in software verification and testing. A key limitation of symbolic execution is in dealing with code containing loops. The problem is that even a single loop can generate a…

编程语言 · 计算机科学 2011-07-08 Jan Obdrzalek , Marek Trtik

Mobile applications are widely used for online services sharing a large amount of personal data online. One-time authentication techniques such as passwords and physiological biometrics (e.g., fingerprint, face, and iris) have their own…

Most semantic segmentation models treat semantic segmentation as a pixel-wise classification task and use a pixel-wise classification error as their optimization criterions. However, the pixel-wise error ignores the strong dependencies…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Shuai Zhao , Boxi Wu , Wenqing Chu , Yao Hu , Deng Cai

Semantic communications seeks to transfer information from a source while conveying a desired meaning to its destination. We model the transmitter-receiver functionalities as an autoencoder followed by a task classifier that evaluates the…

密码学与安全 · 计算机科学 2022-12-21 Yalin E. Sagduyu , Tugba Erpek , Sennur Ulukus , Aylin Yener

Traditional authentication systems that rely on simple passwords, PIN numbers or tokens have many security issues, like easily guessed passwords, PIN numbers written on the back of cards, etc. Thus, biometric authentication methods that…

密码学与安全 · 计算机科学 2021-09-08 Richard Brown , Gueltoum Bendiab , Stavros Shiaeles , Bogdan Ghita

Credential theft and remote attacks are the most serious threats to user authentication mechanisms. The crux of these problems is that we cannot control such behaviors. However, if a password does not contain user secrets, stealing it is…

密码学与安全 · 计算机科学 2024-06-03 Suyun Borjigin

Designing expressive typography that visually conveys a word's meaning while maintaining readability is a complex task, known as semantic typography. It involves selecting an idea, choosing an appropriate font, and balancing creativity with…

计算与语言 · 计算机科学 2024-10-08 Ahmed Hussein , Alaa Elsetohy , Sama Hadhoud , Tameem Bakr , Yasser Rohaim , Badr AlKhamissi