Semi-supervised deep learning approach to break common CAPTCHAs.
Ondrej BostikKarel HorákLukas KratochvilaTomás ZemcíkSimon BilikPublished in: Neural Comput. Appl. (2021)
Keyphrases
- deep learning
- semi supervised
- unsupervised learning
- weakly supervised
- semi supervised learning
- supervised learning
- unsupervised feature learning
- active learning
- pairwise
- labeled data
- machine learning
- unlabeled data
- named entity recognition
- restricted boltzmann machine
- generative model
- training data
- decision makers
- feature space
- mental models
- similarity measure
- deep architectures