News tagged with signal processing

A faster, cheaper way to diagnose TB

Researchers have discovered a faster, cheaper method for the diagnosis of tuberculosis (TB). A major barrier in TB prevention, especially in developing countries, is that diagnosis is slow and costly. Dr Olivier Braissant ...

Aug 17, 2011
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Dolphins use double sonar

Dolphins and porpoises use echolocation for hunting and orientation. By sending out high-frequency sound, known as ultrasound, dolphins can use the echoes to determine what type of object the sound beam has ...

Jun 07, 2011
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New insight into neuronal survival after brain injury

A new study identifies a molecule that is a critical regulator of neuron survival after ischemic brain injury. The research, published by Cell Press in the January 13 issue of the journal Neuron, may lead to new therapies that r ...

Jan 12, 2011
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Evolutionary bestseller in image processing

The eye is not just a lens that takes pictures and converts them into electrical signals. As with all vertebrates, nerve cells in the human eye separate an image into different image channels once it has been ...

Nov 10, 2010
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Biologists identify a new clue into cellular aging

The ability to combat some age-related diseases, such as cancer and diabetes, may rest with scientists unlocking clues about the molecular and cellular processes governing aging. The underlying theory is that if the healthy ...

Jul 07, 2010
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