http://www.sciencedaily.com/news/computers_math/photography/ Latest research in photography. New digital cameras, mobile camera phones, photo techniques and related scientific research. en-us Wed, 11 Nov 2009 00:05:01 EST Wed, 11 Nov 2009 00:05:01 EST 60 http://www.sciencedaily.com/images/logosmall.gif http://www.sciencedaily.com/news/computers_math/photography/ For more science articles, visit ScienceDaily. http://www.sciencedaily.com/releases/2009/11/091110090858.htm A number of US states now use facial recognition technology when issuing drivers licenses. Similar methods are also used to grant access to buildings and to verify the identities of international travelers. Historically, obtaining accurate results with this type of technology has been a time intensive activity. Now, researchers have developed ways to make the technology more efficient while improving accuracy. Tue, 10 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091110090858.htm http://www.sciencedaily.com/releases/2009/11/091105121209.htm A computer scientist has new evidence regarding a photograph of accused JFK assassin Lee Harvey Oswald. He digitally analyzed the iconic image of Oswald pictured in a backyard setting holding a rifle in one hand and Marxist newspapers in the other, and he says the photo almost certainly was not altered. Fri, 06 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091105121209.htm http://www.sciencedaily.com/releases/2009/11/091104101628.htm The eyes may be the mirror to the soul, but the iris reveals a person's true identity. A new report demonstrates that iris recognition algorithms can maintain their accuracy even with compact images, affirming their potential for large-scale identity management applications. Thu, 05 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/11/091104101628.htm http://www.sciencedaily.com/releases/2009/11/091104101537.htm Three-dimensional computer graphics is moving into museums. Works of art are being digitally archived in 3-D, simplifying research into related artifacts and providing the public with fascinating three-dimensional displays. Thu, 05 Nov 2009 05:00:00 EST http://www.sciencedaily.com/releases/2009/11/091104101537.htm http://www.sciencedaily.com/releases/2009/11/091102112050.htm A telemedicine system based on a modified version of the Bluetooth wireless protocol can transfer patient data, such as medical images from patient to the health-care provider's mobile device for patient assessment almost four times as fast as conventional Bluetooth and without the intermittent connectivity problems. Thu, 05 Nov 2009 02:00:00 EST http://www.sciencedaily.com/releases/2009/11/091102112050.htm http://www.sciencedaily.com/releases/2009/11/091102121632.htm A wireless digital "plaster" that can monitor vital signs continuously and remotely is being tried out with patients and healthy volunteers in a new clinical trial run by researchers in the UK. The digital "plaster" or "patch" is a disposable device that sticks to a patient's chest. It is designed to allow patients to have their health monitored continuously without being wired up to bulky, fixed monitoring machines. Mon, 02 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091102121632.htm http://www.sciencedaily.com/releases/2009/10/091031003511.htm What are the odds that your digital identity will be stolen by cyber criminals? Why do bank payment systems crash when everybody is trying to pay for Christmas gifts by credit card? Cyber criminals are everywhere. Now, help is just a click away. Researchers have developed a new, ultrafast digital signature scheme that is 17,000 times faster than current systems for verification, and 10,000 times faster in providing a digital signature. Sun, 01 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/10/091031003511.htm http://www.sciencedaily.com/releases/2009/10/091026133016.htm A robot is currently building a looping brick wall right in the middle of New York City. Over a period of three weeks, passers-by can watch the "Pike Loop" installation in the making on a traffic island. Mon, 26 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091026133016.htm http://www.sciencedaily.com/releases/2009/10/091022134452.htm Medical clinics the world over could benefit from new software created by a team of scientists has found a way to improve the efficiency of a pneumonia vaccine testing method. Thu, 22 Oct 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091022134452.htm http://www.sciencedaily.com/releases/2009/10/091019163025.htm Scientists have created a remote-controlled robot that is able to simulate the "visual" experience of a blind person who has been implanted with a visual prosthesis, such as an artificial retina. An artificial retina consists of a silicon chip studded with a varying number of electrodes that directly stimulate retinal nerve cells. It is hoped that this approach may one day give blind persons the freedom of independent mobility. Tue, 20 Oct 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091019163025.htm http://www.sciencedaily.com/releases/2009/10/091015191043.htm Conventional imaging systems incorporate a light source for illuminating an object and a separate sensing device for recording the light rays scattered by the object. By using lenses and software, the recorded information can be turned into a proper image. Human vision is an ordinary process: the use of two eyes (and a powerful brain that processes visual information) provides human observers with a sense of depth perception. But how does a video camera attached to a robot "see" in three dimensions? Mon, 19 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091015191043.htm http://www.sciencedaily.com/releases/2009/10/091015102043.htm Psychology researchers have found that peripheral vision is most important for telling us what type of scene we're looking at. Examining how people take in scene information paves the way for building better robots. Sun, 18 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091015102043.htm http://www.sciencedaily.com/releases/2009/10/091015112140.htm New technologies and academic collaborations are helping scholars analyze hundreds of ancient documents in Aramaic, one of the Middle East's oldest continuously spoken and written languages. Fri, 16 Oct 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091015112140.htm http://www.sciencedaily.com/releases/2009/10/091013210441.htm European researchers who created an ultra-fast, extremely high-resolution video camera have enabled dozens of medical applications, including one scenario that can record ‘thought’ processes traveling along neurons. The Megaframe project scored a staggering number of breakthroughs to create the world’s first 1024 pixel, photon-resolution, million-frame-per-second CMOS camera. Wed, 14 Oct 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091013210441.htm http://www.sciencedaily.com/releases/2009/10/091006104047.htm Researchers have created a CMOS (semiconductor) camera capable of filming individual photons one million times a second. Wed, 07 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091006104047.htm http://www.sciencedaily.com/releases/2009/09/090922100039.htm European researchers are making an impressive effort to link up digital repositories to create a vast network of easy to search online data. The DRIVER project' work -- one of the largest efforts of its kind -- aims to make some sense and better use of the growing online digital world, the 'data-sphere'. Mon, 05 Oct 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090922100039.htm http://www.sciencedaily.com/releases/2009/09/090928131026.htm A biomedical engineer has spent the last four years building a better imager for preclincal studies. He can now disassemble a specimen and reassemble it into a three-dimensional digital model that gives details down to single cells and their exact location. Sun, 04 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090928131026.htm http://www.sciencedaily.com/releases/2009/09/090930102926.htm "Augmented reality" involves mixing the real world with computer-generated images. The result is a kind of visual Walkman, developed by a researcher in The Netherlands. Sat, 03 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090930102926.htm http://www.sciencedaily.com/releases/2009/09/090927130032.htm In the never-ending battle to protect computer networks from intruders, researchers are working with security experts to develop a new defense modeled after one of nature's hardiest creatures -- the ant. Mon, 28 Sep 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090927130032.htm http://www.sciencedaily.com/releases/2009/09/090924093345.htm Your smart phone may soon be able to know not only that you're at the mall, but whether you're in the jewelry store or the shoe store. Mon, 28 Sep 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090924093345.htm http://www.sciencedaily.com/releases/2009/09/090922162249.htm A majority of medical schools surveyed report they have experienced incidents of students posting unprofessional content online, including incidents involving violation of patient confidentiality, with few schools having policies to address these types of postings, according to a new study. Sat, 26 Sep 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090922162249.htm http://www.sciencedaily.com/releases/2009/09/090917135355.htm A computer system is under development that can automatically combine images of the Martian surface, captured by landers or rovers, in order to reproduce a three dimensional view of the red planet. The resulting model can be viewed from any angle, giving astronomers a realistic and immersive impression of the landscape. Fri, 18 Sep 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090917135355.htm http://www.sciencedaily.com/releases/2009/09/090917135027.htm Technology developed by European researchers is helping the stage production of Ben Hur Live in London's O2 arena. Thu, 17 Sep 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090917135027.htm http://www.sciencedaily.com/releases/2009/09/090915140928.htm Using tourist photos downloaded from the Web, computer scientists created a digital version of Rome in about a day. Tue, 15 Sep 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090915140928.htm http://www.sciencedaily.com/releases/2009/09/090902122441.htm The use of digital data analysis within law enforcement is not simple. For example, how can you predict if somebody is a terrorist? A Dutch researcher has developed a model that makes digital data analysis more reliable. Fri, 11 Sep 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090902122441.htm http://www.sciencedaily.com/releases/2009/09/090907142508.htm In today’s classroom, mobile phones are seen as a nuisance, but they can be the key to a new, personal way of learning, according to one Dutch researcher. Tue, 08 Sep 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090907142508.htm http://www.sciencedaily.com/releases/2009/09/090903163953.htm Computational photography researchers have built an open-source digital camera. Anyone will be able to create new features for the camera by writing aps that will control all the camera's functions -- focus, exposure, shutter speed, flash, etc. Cameras could be taught new tricks with downloadable apps, analogous to iPhone apps. No longer will camera owners be limited to the features installed by the manufacturer. Sky's the limit. Fri, 04 Sep 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090903163953.htm http://www.sciencedaily.com/releases/2009/08/090827082533.htm Innovative software developed in Europe that makes it easier to organise, search and navigate collections of digital images will soon be available to media agencies, photographers and, potentially, anyone trying to keep up with photo-happy Facebook or Flickr friends. Thu, 27 Aug 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090827082533.htm http://www.sciencedaily.com/releases/2009/08/090814101949.htm A new dome projection developed in Europe offers a compelling replacement for the flat movie screen. The 'Immersive Dome' puts viewers at the heart of the action, and lets them actively participate. And instead of the conventional surround sound, a three-dimensional aural experience awaits visitors. Tue, 18 Aug 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090814101949.htm http://www.sciencedaily.com/releases/2009/08/090819125317.htm The rapid expansion of the use of the mobile phone raises hopes that the digital divide might be bridged sooner rather than later. Tue, 18 Aug 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090819125317.htm http://www.sciencedaily.com/releases/2009/08/090812104219.htm A ruined temple, ancient frescos and even a long-dead king have been brought to life by a "visual time machine" developed by European researchers. Mon, 17 Aug 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090812104219.htm http://www.sciencedaily.com/releases/2009/08/090814192853.htm Laws aimed at tackling illegal use of wireless internet connections are restricting attempts to increase broadband access, according to new research. Mon, 17 Aug 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/08/090814192853.htm http://www.sciencedaily.com/releases/2009/07/090714165100.htm New research in imaging may lead to advancements for the Air Force in data encryption and wide-area photography with high resolution. Thu, 30 Jul 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090714165100.htm http://www.sciencedaily.com/releases/2009/07/090722120830.htm Though digital technologies and high-speed communications have significantly expanded the capabilities of scientists -- allowing them to analyze and share vast amounts of data -- these technologies are also raising difficult questions for researchers, institutions and journals. Thu, 23 Jul 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090722120830.htm http://www.sciencedaily.com/releases/2009/07/090721214625.htm Researchers have developed a cell phone microscope that not only takes color images of malaria parasites, but of tuberculosis bacteria labeled with fluorescent markers. The latest milestone moves a major step forward in taking clinical microscopy out of specialized laboratories into field settings for disease screening and diagnoses. Wed, 22 Jul 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090721214625.htm http://www.sciencedaily.com/releases/2009/07/090721113309.htm Private information scattered all over the Internet and impossible to control. A new system, called Vanish, puts an expiry date on electronic text. Electronic communication sent using Vanish -- such as e-mail, Facebook posts and chat messages -- would have a brief lifetime and then self-destruct. Wed, 22 Jul 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090721113309.htm http://www.sciencedaily.com/releases/2009/07/090708094827.htm Errant pixels and blurry regions in a photo, whether digital or scanned, are the bane of photographers everywhere. Moreover, in vision processing research degraded photos are common and require restoration to a high-quality un-degraded state. Thu, 09 Jul 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090708094827.htm http://www.sciencedaily.com/releases/2009/07/090709072915.htm By enabling mobiles to communicate with each other without sending messages via a network, new technology being developed will enable people in different parts of a stadium to share banter, photos and video clips instantly, reliably – and free of charge. Thu, 09 Jul 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090709072915.htm http://www.sciencedaily.com/releases/2009/07/090707111709.htm A rapid but superior method for computerized face recognition could revolutionize security systems especially if it can see through disguises. New software solves the variation problems caused by different light levels and shadows, viewing direction, pose, and facial expressions. It can even see through certain types of disguises such as facial hair and glasses. Wed, 08 Jul 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090707111709.htm http://www.sciencedaily.com/releases/2009/06/090630153406.htm It's a frequent scene in television crime dramas: Clever police technicians zoom in on a security camera video to read a license plate or capture the face of a hold-up artist. But in real life, enhancing this low-quality video to focus in on important clues hasn't been an easy task. Until now. Researchers in Israel have developed a new video "perfection tool" to help investigators enhance raw video images and identify suspects. Sun, 05 Jul 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090630153406.htm http://www.sciencedaily.com/releases/2009/06/090630163529.htm People find it very easy to recognize a face, even under very different circumstances. For a computer, on the other hand, it is extremely difficult. Researchers have developed a new analytical technique which enables the computer to better interpret the content of photos and images, but also of data. Fri, 03 Jul 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090630163529.htm http://www.sciencedaily.com/releases/2009/07/090703065500.htm An efficient new approach to archiving scanned documents that makes the text searchable and adds a watermark to images for copy protection and validation has been developed. Fri, 03 Jul 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090703065500.htm http://www.sciencedaily.com/releases/2009/06/090630162848.htm NASA and Japan has released a new digital topographic map of Earth that covers more of our planet than ever before. The map was produced with detailed measurements from NASA's Terra spacecraft. Wed, 01 Jul 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090630162848.htm http://www.sciencedaily.com/releases/2009/06/090624111019.htm Social network sites should be designed to meet the needs of 55-65-year-old people. Researchers found out that many baby-boomers think social network sites like Facebook are unfit to them. This is the reason why so few of them use any social network services on the Internet. Wed, 24 Jun 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090624111019.htm http://www.sciencedaily.com/releases/2009/06/090618144004.htm New research could lead to substantial advancements in the performance of a variety of electronic devices including digital cameras. Mon, 22 Jun 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090618144004.htm http://www.sciencedaily.com/releases/2009/06/090609220727.htm Engineering students have taken advantage of the accelerometers in emerging cell phones to create an application that permits users to write short notes in the air with their phone, and have that message automatically sent to an e-mail address. Sun, 14 Jun 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090609220727.htm http://www.sciencedaily.com/releases/2009/06/090608131158.htm Researchers have developed a new method for using computer graphics to simulate and render an accurate visualization of a lunar eclipse. The model uses celestial geometry of the sun, Earth, and moon, along with data for the Earth's atmosphere and the moon's peculiar optical properties to create picture-perfect images of lunar eclipses. Wed, 10 Jun 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090608131158.htm http://www.sciencedaily.com/releases/2009/06/090610074155.htm Most people’s experience with 3D involves wearing tinted glasses in a cinema. But a new technology, which does not require glasses and may enable 3DTV, is being developed. Wed, 10 Jun 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090610074155.htm