Abstract: In moment-based watermarking schemes, the accuracy of the moments is crucial for constructing robust watermarking schemes. The robustness of the watermarking scheme relies heavily on the ...

Winter weather warnings have been issued in 30 states as a bone-chilling polar vortex is poised to freeze the US with record cold temperatures starting tonight. The National Weather Service (NWS) ...

If you’ve ever wondered why winter sometimes flips from mild to brutally cold, the answer might be hiding 20 miles above your head. That’s where a rare atmospheric phenomenon called sudden ...

Over 235 million Americans will be at or below freezing in the next week, setting the stage for a long-lasting arctic chill. The coldest day will likely be Monday morning, where temperatures will be ...

Northern parts of the United States are seeing colder temperatures following Thanksgiving after record-breaking heat hit many parts of the South last week. But the country could be in for shockingly ...

Meteorologists don't have the specific forecast ready yet, but there is a growing consensus that December will be a frigid one for parts of the United States. The National Weather Service's Climate ...