云南高校图书馆联盟文献共享服务平台- CAPTCHA

CAPTCHA: 作品数：37被引量：52H指数：4; 导出分析报告; 相关领域：自动化与计算机技术更多>>; 相关作者：张亮黄曙光石昭祥李欣张燕丽更多>>; 相关机构：谷歌有限责任公司解放军电子工程学院上海交通大学中国人民公安大学更多>>; 相关期刊：《计算机光盘软件与应用》《计算机技术与发展》《计算机工程与设计》《信息安全与通信保密》更多>>; 相关基金：国家自然科学基金北京市教育委员会共建项目安徽省自然科学基金国家高技术研究发展计划更多>>

A Novel CAPTCHA Recognition System Based on Refined Visual Attention: 《Computers, Materials & Continua》2025年第4期115-136,共22页Zaid Derea Beiji Zou Xiaoyan Kui Monir Abdullah Alaa Thobhani Amr Abdussalam; supported by the National Natural Science Foundation of China(Nos.U22A2034,62177047);High Caliber Foreign Experts Introduction Plan funded by MOST,and Central South University Research Programme of Advanced Interdisciplinary Studies(No.2023QYJC020).; Improving website security to prevent malicious online activities is crucial,and CAPTCHA(Completely Automated Public Turing test to tell Computers and Humans Apart)has emerged as a key strategy for distinguishing huma...; 关键词：Text-based CAPTCHA recognition refined visual attention web security computer vision

A Dual-Layer Attention Based CAPTCHA Recognition Approach with Guided Visual Attention: 《Computer Modeling in Engineering & Sciences》2025年第3期2841-2867,共27页Zaid Derea Beiji Zou Xiaoyan Kui Alaa Thobhani Amr Abdussalam; supported by the National Natural Science Foundation of China(Nos.U22A2034,62177047);High Caliber Foreign Experts Introduction Plan funded by MOST,and Central South University Research Programme of Advanced Interdisciplinary Studies(No.2023QYJC020).; Enhancing website security is crucial to combat malicious activities,and CAPTCHA(Completely Automated Public Turing tests to tell Computers and Humans Apart)has become a key method to distinguish humans from bots.Whil...; 关键词：Text-based CAPTCHA image recognition guided visual attention web security computer vision

A Web Authentication Biometric 3D Animated CAPTCHA System Using Artificial Intelligence and Machine Learning Approach: 《Journal of Artificial Intelligence and Technology》2023年第3期126-133,共8页Neha Pradyumna Bora Dinesh Chandra Jain; The Internet and web security are integral aspects of our daily lives.Many commercial firms provide clients with Internet services.For web access,it is assumed that only the genuine user,who is a human,will register.Y...; 关键词：artificial intelligence B3DA CAPTCHA DDOS image recognition OCR

Captcha-Based Honey Net Model against Malicious Codes: 《Journal of Computer and Communications》2023年第3期159-166,共8页Adeniyi Akanni Williams Akanni Oluwafunmilasyo Helen Daso; The rate of passive and active attacks has been on the increase lately affecting both individuals and institutions. Even when internal control procedures are in place, malicious codes from intruders into the network h...; 关键词：Passive Attack Active Attack Honey Net MALWARE Internet of Things (IoT) LOG

An Improved Text-Based and Image-Based CAPTCHA Based on Solving and Response Time: 《Computers, Materials & Continua》2023年第2期2661-2675,共15页Ademola Olusola Adesina Patrick Seun Ayobioloja Ibidun Christiana Obagbuwa Tola John Odule Adenrele AAfolorunso Sunday Adeola Ajagbe; CAPTCHA is an acronym that stands for Completely Automated Public Turing Test to tell Computers and Humans Apart(CAPTCHA),it is a good example of an authentication system that can be used to determine the true identit...; 关键词：CAPTCHA computational intelligence information security response time solving time

融合多重风格迁移和对抗样本技术的验证码安全性增强方法被引量：3: 《信息网络安全》2022年第10期129-135,共7页张郅李欣叶乃夫胡凯茜; 国家重点研发计划[2020AAA0107705]。; 验证码对于防御Web服务的自动攻击具有重要作用,但面对具有自动识别技术的破解工具时,难以实现有效的安全保护。如果采用高度失真等方式增强验证码的安全性,会使验证码失去原来的形状,导致人眼也难以识别。文章提出一种融合多重风格迁...; 关键词：CAPTCHA 深度学习图像风格迁移对抗样本卷积神经网络

Your CAPTCHA Recognition Method Based on DEEP Learning Using MSER Descriptor: 《Computers, Materials & Continua》2022年第8期2981-2996,共16页Deepak Kumar Ramandeep Singh Sukhvinder Singh Bamber; Individuals and PCs(personal computers)can be recognized using CAPTCHAs(Completely Automated Public Turing test to distinguish Computers and Humans)which are mechanized for distinguishing them.Further,CAPTCHAs are int...; 关键词：CAPTCHA MSER ANN SURF SNN

Preventing Phishing Attack on Voting System Using Visual Cryptography: 《Journal of Computer and Communications》2022年第10期149-161,共13页Ahood Alotaibi Lama Alhubaidi Alghala Alyami Leena Marghalani Bashayer Alharbi Naya Nagy; Phishing is one of the most common social engineering attacks that users over the internet fall for. An example is voting systems, and because such systems should be accurate and error free, phishing prevention techni...; 关键词：Remote Voting System (RVS) Voting System (VS) SHARES Ballots AUTHENTICATION Visual Cryptography PHISHING CAPTCHA

Usability and Security of Arabic Text-based CAPTCHA Using Visual Cryptography: 《Computer Systems Science & Engineering》2022年第2期421-440,共20页Suliman A.Alsuhibany Meznah Alquraishi; Recently,with the spread of online services involving websites,attack-ers have the opportunity to expose these services to malicious actions.To protect these services,A Completely Automated Public Turing Test to Tell ...; 关键词：Visual cryptography Arabic text-based CAPTCHA USABILITY SECURITY printed and handwritten Arabic script

基于卷积神经网络的数字验证码识别研究被引量：4: 《电子设计工程》2019年第17期107-111,共5页李成建李富成刘建芳; 河南省科技厅科技发展计划科技攻关项目(182102310040);平顶山学院青年科研基金项目(PXYQNJJ-2018005); 验证码技术是确保网站安全性和用户信息隐私性的第一道保障。针对多样化的验证码,其识别技术也很多,传统验证码技术主要分为人工识别、字典模型识别和验证码图像分割识别,其中字典模型中较为典型的Tesseract-OCR,其识别率相对较低,过程...; 关键词：Tesseract-ocr CAPTCHA 验证码识别卷积神经网络

CAPTCHA