News tagged with digital images

OmniVision tops up sensors for cameras, phones

(Phys.org) -- OmniVision has announced two high-resolution image sensors for the digital still and digital video camera market (DS/DVC) and higher end smartphones. In end-user language, it is a claim for superior ...

Electronics / Hardware

created May 25, 2012 | popularity 5 / 5 (6) | comments 3 | with audio podcast report

Al Qaeda suspect's porn film found to contain treasure trove of secret documents

A suspected member of the Al Qaeda terrorist group, arrested in May last year in Germany, was found with a memory stick hidden in his underwear. Police discovered the stick contained a password-protected folder ...

Technology / Other

created May 04, 2012 | popularity 4.3 / 5 (29) | comments 44 | with audio podcast report

3-D, after-the-fact focus image sensors invented

(PhysOrg.com) -- At the heart of digital photography is a chip called an image sensor that captures a map of the intensity of the light as it comes through the lens and converts it to an electronic signal.

Technology / Engineering

created Apr 03, 2012 | popularity 3.8 / 5 (4) | comments 0 | with audio podcast

The universe may have been born spinning, according to new findings on the symmetry of the cosmos

(PhysOrg.com) -- Physicists and astronomers have long believed that the universe has mirror symmetry, like a basketball. But recent findings from the University of Michigan suggest that the shape of the Big ...

Space & Earth / Astronomy

created Jul 08, 2011 | popularity 4.4 / 5 (37) | comments 82 | with audio podcast

Quantum dots could boost performance of mobile phone cameras

(PhysOrg.com) -- As it's becoming more and more difficult for silicon alone to improve the sensors used in today's digital cameras, a new material may be emerging from physics labs to provide a large performance ...

Electronics / Hardware

created Mar 22, 2010 | popularity 5 / 5 (22) | comments 11 | with audio podcast report

Researchers show ATM theft by thermal imaging

(PhysOrg.com) -- A paper presented at the August USENIX Security Symposium (USENIX Security '11) in San Francisco explains how PINs can be stolen using digital cameras capable of thermal imaging. The paper, ...

Technology / Engineering

created Sep 01, 2011 | popularity 4.7 / 5 (3) | comments 23 | with audio podcast report

Physicist makes new high-res panorama of Milky Way

Cobbling together 3000 individual photographs, a physicist has made a new high-resolution panoramic image of the full night sky, with the Milky Way galaxy as its centerpiece. Axel Mellinger, a professor at ...

Space & Earth / Astronomy

created Oct 28, 2009 | popularity 4.6 / 5 (14) | comments 3

Guiding robot planes with hand gestures

Aircraft-carrier crew use a set of standard hand gestures to guide planes on the carrier deck. But as robot planes are increasingly used for routine air missions, researchers at MIT are working on a system that would enable ...

Technology / Computer Sciences

created Mar 15, 2012 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Taiwan unveils eco-friendly rewritable 'paper'

A group of Taiwan scientists have developed an environmentally friendly form of rewritable electronic paper that works without electricity.

Technology / Engineering

created Aug 08, 2011 | popularity 4.2 / 5 (5) | comments 10

High-speed CMOS sensors provide better images

Conventional CMOS image sensors are not suitable for low-light applications such as fluorescence, since large pixels arranged in a matrix do not support high readout speeds. A new optoelectronic component ...

Technology / Semiconductors

created Jan 03, 2012 | popularity 4.9 / 5 (8) | comments 0 | with audio podcast

Embedding spy secrets in the hard drive fragments

(PhysOrg.com) -- A new way to hide your secrets has been created, which is good news for both the spies and the generally duplicitous regular people of the world. This new system, instead of relying on traditional methods ...

Technology / Computer Sciences

created Apr 26, 2011 | popularity 4.8 / 5 (4) | comments 24 | with audio podcast weblog

Online activity grows in a similar pattern to those of real-life networks

The activity of online communities does not grow in line with the number of users, according to a model recently published in the European Physical Journal B.

Physics / General Physics

created Sep 01, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Secrets of Swift's intimate letters revealed

(PhysOrg.com) -- An Oxford University academic has applied digital image analysis to intimate letters sent simultaneously by Jonathan Swift to two women, with some surprising results.

Other Sciences / Other

created Jan 28, 2011 | popularity 4.8 / 5 (9) | comments 0 | with audio podcast

Google buys computer vision startup 'PittPatt'

Google on Monday said it has bought a computer vision startup spun out of the robotics institute at Carnegie Mellon University.

Technology / Business

created Jul 25, 2011 | popularity 4 / 5 (2) | comments 0