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The image is replaced by a stronger one.
The copy image is used in the process of generating 3-bit watermarks and the 3LSB of the original image is replaced with the watermark.
In this operation, each pixel of the image is replaced by the standard deviation of pixels in a local window around the pixel.
To accomplish this, the first part of the bitstream of the attacked image is replaced by the first part of the bitstream of the original image.
During smoothing, each pixel of the image is replaced by the average of the original intensities of the N×N region surrounding it.
In case of LSB replacement [2, 3], the least significant bit of each pixel of the cover image is replaced by the next bit of the secret message to be embedded.
Similar(49)
It showed a little girl picking the petals from a daisy, before her image was replaced by a mushroom cloud.
That image was replaced by one of him at a Buddhist temple in California, symbolizing the fund-raising excesses of 1996.
After 1.5 seconds, the image was replaced with an image of the same two containers filled with the discs.
In the clicker feedback activity, the introductory slide with the Geologic Time Scale image was replaced with two PowerPoint slides.
Notice that in bit-plane removal attack, the least significant bits of the watermarked image are replaced with zeros.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com