In 2017, Brad became the Chief Operating Officer of the Watermark Auto Group while continuing to serve as General Manager of Watermark Ford Hyundai and as a partner at Watermark Nissan of Marion.
Watermark Auto Group also announced that David Griffin, previously Chief Financial Officer, will assume a new role on the Board as Executive Vice President.
Inspired by the entropy masking model , we select high-entropy image blocks as watermark embedding space in this study.
The watermark embedding process consists of the following steps.
Thus, the watermark image can be added to each subband frequency as a small noise.
According to definition of , separability is the difference between the correlation of watermark and the highest correlation of the watermark after attack.
As we have seen, there is a set of pixels chosen in the image by a chaotic key in which the watermark is embedded.
After that, to obtain the original watermark back, perform exclusive OR between C(Y) and R(Y).
This will give 128 bits one-way hash value which will be used as an authentication watermark
for the image.
The content owner generates watermark
and characteristic digest values from the original image and encrypts the original image.
Section 4 gives information on the implementation of proposed algorithm with multiple watermark
Though using SVDs gives satisfactory results in respect of robustness, but it is inefficient to provide security (the property of a watermarking scheme to nullify the chances of watermark
extraction completely, is referred as security [2, 7]).