Conventional digital watermarking generally involves adding watermarks after the files have been output. In response, Wen et al.'s research team devised a method called `` Tree-Ring Watermarks ...

Now, tree ring data from the area’s forests reveal that the summer of 2021 was also the region’s hottest of the last millennium. The average temperature for that year’s summer not only ...

The tree-ring method embeds the watermark not in the finished picture, but in the noise at the start. If the software that created a picture is run in reverse, it will reproduce the watermark ...