Interword distance changes represented by sine waves for watermarking text images.

Ding Huang Hong Yan

Published in: IEEE Trans. Circuits Syst. Video Technol. (2001)

Keyphrases

image database
image data
ground truth
three dimensional
image classification
image features
image collections
image analysis
input image
feature points
distance map
digital images
image registration
image retrieval
information retrieval
text detection
test images
object recognition
image regions
segmentation algorithm
image matching
image annotation
textual information
web images
text information
visual features
image processing operations
image processing