Abstract: Ptychographic imaging confronts inherent challenges in applying deep learning for phase retrieval from diffraction patterns. Conventional neural architectures, both convolutional neural ...

Millions have seen the heart-wrenching video of a polar bear clinging to life, its white hair limply covering its thin, bony frame. Shot by Paul Nicklen and Cristina Mittermeier of the nonprofit group ...

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 ...

Churchill, Canada — On a cold November morning in the subarctic Canadian town of Churchill, Manitoba, Ian Van Nest sits in the warmth of his SUV and peers through binoculars at a pair of polar bears ...

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 ...

It seems like you cannot mention cold weather in the fall and winter without coming across the phrase “polar vortex.” Meteorologists often refer to this weather element as a potential culprit behind ...