Telling Computer and Human Apart: Image-Sound Based CAPTCHA System.
Jung Hyun RyuNam Yong KimSeo Yeon MoonJong Hyuk ParkPublished in: MUE/FutureTech (2017)
Keyphrases
- input image
- image content
- template matching
- image data
- image features
- image representation
- single image
- image analysis
- low level
- grey level
- multiscale
- image collections
- hough transform
- static images
- image classification
- high resolution
- human observers
- aerial images
- image segmentation
- human visual
- image matching
- segmentation method
- post processing
- edge detection
- test images
- lighting conditions
- region of interest
- spatial information
- image noise
- computer systems
- natural images