A New Captcha Based on Understanding Harmony Images.
Alireza KashianSona HassaniEhsan Zaery MoghaddamPublished in: International Conference on Internet Computing (2010)
Keyphrases
- input image
- image features
- image data
- image database
- ground truth
- image analysis
- image regions
- test images
- image retrieval
- object recognition
- image registration
- image recognition
- image collections
- three dimensional
- original images
- multiple images
- image processing algorithms
- image set
- image matching
- computer graphics
- edge detection
- image processing
- multiscale
- image pixels
- image classification
- image understanding
- digital images
- aerial images
- multiresolution
- small number
- illumination conditions
- satellite images
- computer vision
- lighting conditions
- fully automatic
- segmentation algorithm
- spatial information
- remote sensing