Using JPEG to Measure Image Continuity and Break Capy and Other Puzzle CAPTCHAs.
Carlos Javier Hernández-CastroMaría Dolores Rodríguez-MorenoDavid F. BarreroPublished in: IEEE Internet Comput. (2015)
Keyphrases
- single image
- image analysis
- image features
- image retrieval
- image data
- similarity measure
- image content
- multiscale
- input image
- image representation
- coded images
- image classification
- image coding
- jpeg images
- gray level images
- edge detection
- multiresolution
- region of interest
- pixel values
- image regions
- compressed images
- lossy compression
- image quality assessment
- progressive transmission
- decoding process
- arithmetic coder