A Semi-supervised Deep Learning-Based Solver for Breaking Text-Based CAPTCHAs.
Xianwen DengRuijie ZhaoZhi XueMing LiuLibo ChenYijun WangPublished in: TrustCom (2021)
Keyphrases
- deep learning
- semi supervised
- unsupervised learning
- weakly supervised
- semi supervised learning
- supervised learning
- unsupervised feature learning
- pairwise
- labeled data
- unlabeled data
- machine learning
- active learning
- restricted boltzmann machine
- named entity recognition
- deep architectures
- generative model
- mental models
- visual features
- long range
- viewpoint
- computer vision