Research on Traceability System of Food Safety Based on PDF417 Two-Dimensional Bar Code.

Shipu Xu Muhua Liu Jingyin Zhao Tao Yuan Yunsheng Wang

Published in: CCTA (2) (2010)

Keyphrases

barcode
image acquisition
hough transform
probability density function
error correction
key technologies
data matrix
low quality
mobile devices
three dimensional
watermarking algorithm
probability distribution function
co occurrence