Articles tagged with Computers
Researchers developed a system that transmits text, games or information to smartphones via an audio signal using the venue's regular sound system. The smartphones form an ad hoc microphone network, sharing data among participants.
Researchers at Disney Research built computer models by monitoring artists as they sketch human faces, capturing each artist's drawing style, strokes, and feature selection. The system successfully generated multiple distinct styles similar to hand-drawn sketches.
Christian Theobalt aims to enable computers to reconstruct motions and surface characteristics from video camera input. His project, CapReal, will explore theoretical bases for whole new methods of dynamic scene reconstruction, aiming to capture geometry, motions, and material characteristics in complex real scenes.
A study found that health-related websites leak patient search data to third-party tracking entities, compromising user privacy. The researcher used tools to detect and intercept hidden traffic on popular health sites.
New research reveals that young people with impulsive tendencies are at a higher risk of heavy drinking. The study found a link between impulsivity and adolescent drinking, but suggests that alcohol may not necessarily lead to increased impulsive behavior in the short-term. By identifying key personality traits, such as impulsivity, ta...
A new paper by Sapna Cheryan and colleagues found that downplaying the stereotype of a 'computer nerd' in print media increases women's interest in further education in computer science. The researchers manipulated students' images of a computer scientist using fabricated newspaper articles, revealing that exposure to a non-stereotypic...
A team from EPFL has developed a computer algorithm that can create a 3D model of a simple room based on sound picked up by four microphones. The algorithm uses the differences in signal time to calculate distances between microphones, walls, and the sound source.
Scientists studied how microscopic bubbles form and expand in metallic glass under negative pressure, finding they indicate a brittle breakdown is in progress. The research aims to optimize metallic glass alloys for high-strength and fracture-resistant applications.
A new lung probe using advanced technology will enable doctors to detect and monitor up to 20 key indicators of disease in critically ill patients, improving diagnosis and treatment. The probe will also help premature babies by replacing regular blood tests with real-time disease readouts.
A University of Pittsburgh study found that hackers can identify over 60% of a target's private friends through the mutual-friends feature on Facebook. This can lead to inferring personal information, such as political affiliations or embarrassing details.
Arizona State University computer scientist Carole-Jean Wu has been awarded the Bisgrove Scholar Award to fund her research on reducing energy consumption in computing systems. Her goal is to locate and convert heat into electrical energy to power devices, enabling more efficient energy management solutions.
DuctTake combines multiple takes of the same shot into a single seamless output, reducing on-set takes and improving production efficiency. The technique uses computer algorithms to find irregular seams through video frames, enabling seamless composite videos.
Researchers from UPV/EHU and University of La Rioja implement a distance collaboration project to enhance student performance, transversal competences, and tool usage. The study reveals positive outcomes, including improved exam marks and increased team satisfaction.
Researchers used computer simulations to investigate the energy landscape of ion channels, identifying a critical amino acid that regulates their function. The study provides new insights into ion channel mechanisms, which are essential for developing targeted therapies.
Researchers at Carnegie Mellon University have developed a zooming technique called ZoomBoard that allows users to enter text into small devices like smartwatches. With the ability to tap and swipe on screens, users can enter approximately 10 words per minute with high accuracy.
The Yale Journal of Industrial Ecology examines the impact of Extended Producer Responsibility (EPR) on e-waste recycling. Researchers assess the use of RFID technology, EPR adoption in developing countries, and producer take-back organizations to improve recyclability.
Experimental NASA research models show that three coronal mass ejections (CMEs) have erupted from the sun, with speeds of up to 625 miles per second. The CMEs may pass by NASA's Messenger and STEREO-A satellites, posing a risk of particle radiation to interplanetary spacecraft.
GapSense software controls traffic to dramatically reduce interference, enabling devices to communicate more efficiently and reducing collisions by up to 45%. The technology could also address the 'hidden terminal' problem and reduce energy consumption of WiFi devices.
Professor Murat Dundar will use the award to refine machine learning models for more accurate data classification and adaptation. His research aims to improve bio-detection, medical monitoring, and data sorting technologies.
Researchers at RIT are developing advanced intelligence processing technologies to handle large volumes of high-resolution, remotely sensed images. They aim to distinguish objects, scale, complexity and organization using topological features and segmentation methodologies.
Researchers have pioneered a method to chill molecules using an ultracold cloud of calcium atoms and molecular ions, enabling the creation of hundreds of different molecules. This breakthrough brings scientists closer to building a computer that doesn't work with zeros and ones but with quantum mechanical objects.
Researchers discovered that individuals with large choice sets overestimate probabilities of rare events and take riskier gambles. Participants gathered more information with smaller choice sets, but repeated this pattern with larger sets.
University of Michigan engineers create thin-layer, conducting, highly aligned film for high-performance plastic electronics by designing semiconducting polymers with natural twist and flexible arms. This breakthrough enables faster charge carrier mobility and could lead to cheaper, greener electronics.
The new HPC data center at NREL's Energy Systems Integration Facility (ESIF) is the first of its kind, boasting an annualized average power usage effectiveness (PUE) rating of 1.06 or better. It achieves this by using warm-water liquid cooling and capturing and reusing waste heat to reduce energy consumption.
Researchers analyzed how particle shape affects the behavior of jammed materials, employing a computer algorithm to optimize shape configurations. The results were verified through large-scale 3D printed tests, providing insights into the complex interactions between particles and material properties.
Researchers have developed metasurfaces that can manipulate and control light, enabling new optical technologies with applications in solar cells, computers, and telecommunications. The technology uses metamaterials to harness surface plasmons and reduce the size of photons, promising breakthroughs in nanophotonic devices.
A new study in Journal of Consumer Research found that consumers' perception of products they don't own can influence their judgments. When made aware of not owning a product, consumers who perceive themselves as uncreative may actually see the product as more creative.
A UPNA researcher has developed 3D reconstruction algorithms that are on par with the best available techniques, but can be executed more rapidly on a computer. These algorithms use stereoscopic vision to capture depth and can be implemented in real-time using standard graphics cards.
Researchers have developed a sophisticated tool to reconstruct protolanguages, the precursors of modern languages, with high accuracy. The system analyzes sound changes at the phonetic level and has been applied to 142,000 word forms from 637 Austronesian languages, producing results that are 85% accurate compared to manual reconstruct...
Researchers at Pitt/UPMC successfully used brain-computer interface (BCI) technology to enable a paralyzed man to control a computer cursor and robot arm with his thoughts. The study, published in PLoS ONE, demonstrates the potential for BCI technology to help individuals regain independence after spinal cord injuries.
A new study by Michigan State University found that US citizens spend nearly twice as much time on social networking sites (52 minutes/day) compared to Chinese participants (28 minutes/day). In contrast, Chinese participants rarely use these sites, with only 4% of them using them regularly.
Research published in PLOS ONE found that older adults spend less time fixating text and show lower brain activity when using e-readers compared to paper books. This is likely due to better text discrimination on backlit displays, benefiting older readers. No issues with comprehension were reported.
Researchers at North Carolina State University developed a flexible classroom design that slashes administrative costs while improving engagement and accessibility for students. The design allows instructors to adjust the layout according to student needs, making it easier for students with special needs to participate.
Rutgers physics professors have discovered a new type of order in an exotic uranium-based material, which may lead to enhanced computer displays and data storage systems. The 'hastatic' order could also enable the creation of more powerful superconducting magnets for medical imaging and high-speed transportation.
Theodore Kim's invention of wavelet turbulence enabled faster and more easily art-directable simulation of large-scale fluid smoke effects, used in dozens of major motion pictures. The algorithm was first presented publicly in 2008 and quickly caught fire in the industry.
Researchers developed a system using depth-sensing cameras and algorithms to recognize hand gestures as commands for medical image manipulation. The system reduced false positives from 20.8% to 2.3% and achieved a mean accuracy of 93%, improving surgery efficiency and reducing infection risk.
Scientists have created chemical modules that replicate complex interactions between plants, animals, and molecules, opening the door to more sophisticated molecular machines and computers. By using DNA and enzymes, researchers can now reproduce predator-prey interactions, mutually beneficial relationships, and competitive conditions.
Researchers are using a new approach to simulate supernovas and their remnants, shedding light on the physics of these events. The team hopes its models will help reveal details about the characteristics of supernova remnants, including those created during the explosion and those formed in interaction with surrounding medium.
Scientists at Berkeley Lab have identified a persistent error in computer simulations of molecular-scale motion, known as 'shadow work.' By accounting for this error, accurate calculations can be recovered. The research has implications for fields such as medical and biological research, new materials, and quantum mechanics.
Researchers found that therizinosaurs had well-developed sensory abilities, including smell, hearing, and balance, which may have affected their behavior as herbivores. The study used high-resolution CT scanning and 3D computer visualization to analyze the brain and inner ear anatomy of a 90-million-year-old therizinosaur fossil.
Researchers have developed a groundbreaking mind-controlled prosthetic hand that allows users to control it with remarkable accuracy and naturalism. The device has been tested in a clinical trial, achieving a success rate of up to 91.6% and demonstrating clinically significant improvement.
A computer-based design program, SketchUp, helps develop spatial and visual acuity in youth on the autism spectrum. It also improves relationships between grandparents and their grandkids, creating a more supportive environment. The technology provides common ground for grandparents to engage with others, sharing experiences and joys.
Researchers at UCSB's Four Eyes Lab have developed a new approach to augmented reality (AR) applications that uses real-time computer vision and crowdsourced user data to create more stable and realistic overlays. This technology, termed 'anywhere' AR, enables users to interact with virtual objects in their physical environment.
A recent study predicts a sharp spike in computer-related injuries among medical workers due to poor office layouts and improper use of computer devices. The most commonly reported repetitive strain injuries were neck, shoulder, and upper and lower back pain, affecting nearly half of the female doctors and over 40% of male doctors.
Researchers developed a technique for estimating grape composition and variety using computer imaging, identifying exact color and morphological characteristics. This new method can help vine-growers decide the best moment for picking grapes, while also providing automated quality control and inspection.
A new computerized approach called model-based design and verification has the potential to radically change how complex machines are built. This technology translates mechanical systems into data that can be mixed and matched in sophisticated computer systems.
Researchers at the University of Liverpool developed a computer-based test to help heavy drinkers reduce their alcohol consumption by practicing restraint in response to images of alcoholic drinks. The study found that participants who learned to exercise self-control subsequently drank less beer than control groups.
A study by Ohio State University researchers found that writing down thoughts and then disposing of the paper can reduce their influence on mental judgments. Participants who threw away the paper showed no difference in their attitudes towards positive or negative thoughts, suggesting that physical action influences thought use.
Researchers at Stanford University have developed a new algorithm called ReFIT that greatly improves the speed and accuracy of thought-controlled computer cursors. The system, which was tested on rhesus monkeys, can control the cursor with speeds approaching those of real arms, while previous systems saw decline in performance over time.
Researchers found that a little distraction can help drone operators stay engaged and perform better. Participants who were distracted 30% of the time scored almost as high as those who focused the majority of their attention on the simulation.
A new Northwestern University study reveals that even physically active women spend an average of nine hours a day sitting. The research suggests that incorporating light activity throughout the day can help mitigate negative health consequences associated with prolonged sitting.
Researchers from the University of Bonn have developed a new humanoid robot called NimbRo-OP, which is designed to facilitate research on humanoids. The robot's open-source design plan and source code aim to enable other researchers to use it as a basis for their work.
A new guidebook provides a performance-based approach to police staffing and allocation, taking into account multiple factors such as crime rate, shift length, and community policing. The approach offers a more efficient way for agencies to determine the number of officers needed and deploy them effectively.
A sense of control over events reduces emotion-driven time distortions, regardless of individual's emotional state or illusion of control. Previous studies found that highly arousing images lead to time distortions, but this study shows that giving participants a feeling of control eliminates these effects.
A study published in Current Biology found that fear can alter basic aspects of how we perceive the world around us. Researchers used an experiment to test the effect of fear on time-to-collision judgments, showing that participants tended to underestimate collision times for threatening objects.
Grade 5 students who used electronics after bedtime were more likely to be overweight or obese. More sleep led to significantly more physical activity and better diet choices.
A new analysis of computer-delivered and face-to-face interventions found that while both methods can curb college drinking for a little while, in-person encounters produce lasting results. Computer-delivered interventions had positive effects in the first few months but lost significance after 14 weeks.
The simulator analyzes reaction to different scenarios and optimizes resources. It also helps make real-time decisions and improve service functionality. Researchers created the model using real data from Parc Taulí Healthcare Corporation, adapting modelling techniques for high-performance computing.
A study published in Psychological Science found that individuals are happier when a self-benefiting option is imposed upon them, as it removes feelings of responsibility for the outcome. This is because having no choice eliminates the conflict between self and others.
A home-based computer software, ClockMe System, allows adults to screen themselves for early signs of dementia. The system scores the participant's clock-drawing test and records the duration and timing of the test, providing valuable insight into thought processes.