Towards understanding the security of modern image captchas and underground captcha-solving services.
Haiqin WengBinbin ZhaoShouling JiJianhai ChenTing WangQinming HeRaheem BeyahPublished in: Big Data Min. Anal. (2019)
Keyphrases
- input image
- image features
- image data
- multiscale
- image classification
- image representation
- single image
- high resolution
- edge detection
- image segmentation
- segmentation method
- image analysis
- image pixels
- service management
- service oriented
- image scrambling
- image content
- web services
- end users
- image retrieval
- service providers
- segmentation algorithm
- image regions
- intrusion detection
- test images
- feature points
- image collections
- ubiquitous computing
- jigsaw puzzle
- image processing