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National Science Foundation

Cyber-Physical Systems Virtual Organization

Read-only archive of site from September 29, 2023.

CPS-VO

completely automated public turing test

biblio

Visible to the public End-to-End Captcha Recognition Using Deep CNN-RNN Network

Submitted by grigby1 on Fri, 09/11/2020 - 11:43am
  • 4-character text captcha
  • CAPTCHA
  • two-layer GRU network
  • Residual
  • input captcha picture features
  • Gated Recurrent Unit
  • end-to-end captcha recognition
  • deep residual convolutional neural network
  • completely automated public turing test
  • CNN-RNN network model
  • CNN-RNN
  • CAPTCHA recognition
  • security of data
  • captchas
  • image recognition
  • Backpropagation
  • human computer interaction
  • composability
  • recurrent neural nets
  • internet
  • Human behavior
  • pubcrawl
  • convolutional neural nets
biblio

Visible to the public Interactive Video CAPTCHA for Better Resistance to Automated Attack

Submitted by aekwall on Mon, 04/01/2019 - 10:07am
  • completely automated public turing test
  • video signal processing
  • usability
  • target tracking
  • target object
  • Relays
  • relay attack
  • object tracking
  • moving object
  • Mice
  • meah shift
  • interactive video type CAPTCHA
  • invasive software
  • communication relays
  • CAPTCHA resistance
  • bots
  • Bot
  • automated attacks
  • CAPTCHA
  • captchas
  • delays
  • composability
  • pubcrawl
  • Human behavior

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