An apparatus for providing direction information based on a reproduced audio signal with an
embedded watermark includes a signal processor, which is adapted to process at least two …

US8515120B2 - Steganographic encoding and decoding - Google Patents US8515120B2 -
Steganographic encoding and decoding - Google Patents Steganographic encoding and …

This patent document relates generally to steganography and digital watermarking. One
claim recites an apparatus comprising: electronic memory for buffering samples …

This patent document relates generally to steganography and digital watermarking. One
claim recites, in a watermark encoder, a method of encoding auxiliary information in an …

The present disclosures relates generally to digital water marking and data hiding. One
claim recites an apparatus comprising: memory for storing data representing video; one or …

Int “Cl “ plurality of color attributes; transforming at least some of the G06K 9/00(2006-01)
samples into a transform domain; and utilizing a programmed US-Cl-------------382/100; …

Disclosed are embodiments of systems and methods for embedding and/or extracting data
from images. In embodi ments, an image may be segmented into regions, and charac ters or …

9. ters or other image groups within a segmented region may be determined to be
embedding sites. A data vector may be embedded into a set of corresponding ordered …

The present disclosures relates generally to digital watermarking and data hiding. One claim
recites a smartphone comprising: a camera to capture video of a display that is rendering …

A characteristic response curve of an imaging system is measured, to determine system
linearity. Images to be water marked are analyzed to check if a prescribed target minimum of …