In (Cyber)Space Bots Can Hear You Speak: Breaking Audio CAPTCHAs Using OTS Speech Recognition.
Saumya SolankiGautam KrishnanVarshini SampathJason PolakisPublished in: AISec@CCS (2017)
Keyphrases
- speech recognition
- speaker identification
- speech processing
- speech recognition technology
- audio visual speech recognition
- hidden markov models
- speech signal
- automatic speech recognition
- language model
- pattern recognition
- speech synthesis
- speech recognition systems
- signal processing
- noisy environments
- cepstral coefficients
- multimedia
- speech recognizer
- speech retrieval
- voice activity detection
- students with learning disabilities
- keyword spotting
- speech understanding
- speaker recognition
- speaker dependent
- information retrieval
- audio signals
- speaker independent
- emotion recognition
- speech recognition errors
- audio visual
- gaussian mixture model
- isolated word
- computer vision
- digital video library