Embedding Large Watermarks In Images Using Discrete Fractional Cosine Transform.

Sai Shyam Sharma Venkatachalam Chandrasekaran

Published in: IPCV (2009)

Keyphrases

cosine transform
compression algorithm
image data
input image
image blocks
object recognition
ground truth
digital images
image features
edge detection
feature extraction
image quality
noisy images
contrast enhancement
spread spectrum