Articles tagged with Computers
Researchers at Brigham Young University have developed technology that measures mouse movements to detect negative emotions such as anger and frustration. This allows websites to adjust their content and eliminate stress for users.
Researchers developed a Bayesian Program Learning framework that captures human learning abilities, allowing computers to recognize and generate new visual concepts. The algorithm achieved impressive results in visual Turing tests, with only 25% of judges performing better than chance.
A study published in Frontiers in Psychology found that people are quicker to find a hard-to-see person in an image when the directions mention a prominent landmark first, as opposed to last. The researchers also discovered that listeners prefer to use these landmarks as 'mental bookmarks' to speed up the process.
Researchers created cleverly designed molecular complexes that can store information in a quantum state, overcoming one of the biggest challenges in quantum computing. These new molecules could potentially lead to the development of functional devices and more efficient computer designs.
A new sensor, QStamp, enables consumers to monitor food freshness and reduce waste by 51%, as reported by the FAO. The smart tag allows users to track their at-home products, receive notifications for expiration dates, and make informed purchasing decisions.
Patients at safety-net hospital clinics with high clinician computer use were less likely to rate their care as excellent, and clinicians engaged in more negative rapport building. The study highlights the potential drawbacks of implementing electronic health records in these settings.
A new model, POISED, aims to balance technology use with human connection. Key findings include: Using computers in exams can compromise patient safety and relationships if not implemented correctly.
A new visual authoring tool is being developed to enable both experts and novices to create digital story worlds. The tool guides users through three main steps: story world creation, character and object authoring, and event creation.
Researchers developed patented prototypes of FlatCam, a thin sensor chip that processes sensor measurements into images and videos. The technology decouples the parameters of light collection and device thickness, enabling large sensors with thin devices.
The PANTHER team developed software that can represent remote sensor images and make them searchable. Tracktable code automates observation of motion and trajectories, enabling faster analysis of huge data sets.
A research team at Northeastern University has developed a system called ReCon to detect and stop information leaks from smartphone apps. The study found that users' personal identifying information, including passwords, was leaked into network traffic from popular fitness and language apps.
A team at Australia's University of New South Wales has proven that a quantum version of computer code can be written and manipulated using two quantum bits in a silicon microchip. The advance removes lingering doubts about the reliability of such operations, enabling powerful quantum computers to become a reality.
A large study found that computer-assisted cognitive behavioural therapy (CBT) provides little or no benefits for depression, with low patient adherence and engagement being the main reason. The study suggests that routine promotion of computer-based CBT should be reconsidered due to its ineffectiveness as a treatment.
A cognitive model of artificial neurons has learned to communicate through dialogue with a human interlocutor, demonstrating the ability to express a wide range of capabilities in human language processing. The ANNABELL model uses synaptic plasticity and neural gating mechanisms to learn and adapt to new information.
Researchers are using the Titan supercomputer to create physics-based earthquake simulations to better understand earthquake systems and predict ground shaking in large earthquakes. The team has completed its highest resolution simulation map for Southern California, providing a tool for engineers to design and build critical infrastru...
A large-scale randomized control trial found that computerized cognitive behavioral therapy (cCBT) offered little to no benefit over usual GP care in treating depression. Patients generally struggled with sustained engagement and highlighted difficulties with logging onto computer systems while clinically depressed.
A new study improves BrainGate's user experience and performance with three software innovations, allowing users to control electronic devices without frequent recalibration. The advancements enable longer use sessions and improved accuracy, paving the way for a practical BCI assistive technology.
Researchers at RIKEN Advanced Institute for Computational Science in Japan ran an enormous global weather simulation with 10,240 simulations of a model of the global atmosphere. They found that faraway observations can impact the eventual state of the weather forecast, which could lead to more accurate forecasts.
The tool uses a library of base shapes to enable users to think creatively without tedious trial and error. Researchers used the tool to design and build various shapes, including a turtle with 123 pieces, which was assembled in about 2.5 hours.
Researchers at Disney Animation Studios developed a multigrid method that speeds up cloth simulation six to eight times faster than conventional methods. The technique enables more realistic look and behavior of cloth in animations, making it suitable for simulations requiring lots of detail like clothing worn by characters.
Computer scientists at Columbia Engineering and Harvard have developed an algorithm to 3D print vibrational sounds by optimizing the shape of objects. The 'zoolophone' is a metallophone with keys in the shape of zoo animals that produces professional-sounding notes.
Researchers at University of Innsbruck propose new quantum computer architecture that detaches logical qubit from physical implementation, overcoming challenges in adiabatic quantum computation. This approach enables scalable and fault-tolerant quantum computing.
Researchers at Disney Research and Dartmouth College developed a new method to display full-color images with two black patterns on a prism, winning the Best Paper Award at Pacific Graphics 2015.
A new study from the University of Maryland and Johns Hopkins University finds that computers can accurately predict patient discharges, improving hospital resource management. The model uses fewer than 30 variables, including patient demographics and medical history, to make predictions, outperforming doctors in some cases.
A recent study reveals that Android root exploits are easily abused and can be repackaged in malware. The researchers found that few exploits can be detected by mobile antivirus software, making them vulnerable to attacks.
A new research method has been developed by Virginia Tech computer scientists to identify and prevent stealthy attacks on complex computer systems. The approach uses matrix-based pattern recognition to analyze execution paths and detect anomalies with low false positive rates.
The University of Houston will acquire a new high-performance computer with accelerators, benefiting at least 23 research groups across diverse departments. The grant also offers training opportunities for students to learn programming skills and utilize the new technology.
A study by UCSB and NASA reveals that humans are inherently bad at watching computers work, with distractions and daydreaming leading to failures in practical monitoring tasks. Pilots missed 25% of altitude crossings despite high levels of cockpit automation, highlighting the challenges of task monitoring.
Researchers found that designing wings with flexibility near the front and rigidity at the back maximizes thrust and performance. This approach generates 36% more thrust than constant flexibility throughout the wing.
Researchers found that monkeys and humans perceive the Delboeuf illusion in a similar way, with both species misjudging dot size depending on outer ring size. This suggests that primates share similarities in their perceptual systems, making them an appropriate model for studying human perception.
Researchers at University of Vermont invent a new way to use chirality to make a nanoscale wrench, allowing for precise control over the shape of molecules. The discovery holds promise as a highly accurate and fast method of creating customized molecules.
Researchers at NIST have successfully bound two photons together, creating a 'molecule' of light with its own force. This breakthrough could lead to significant advancements in technologies such as photon-based computing and sensor calibration, potentially reducing energy losses and increasing efficiency.
The University of Texas at Arlington's Planetarium will debut the first active stereo 3-D show about NASA's SOFIA mission, exploring the study of Mars atmospheres and comets. The 3.5-minute film aims to inspire young scientists and engineers.
A new study from Lawrence Berkeley National Laboratory found that gaming computers consume 20% of global PC energy use, but can be optimized for up to 75% energy savings through setting changes and component swaps. By doing so, gamers can improve reliability and performance while reducing their carbon footprint.
Researchers will investigate how multiple variables interact to impact engine performance and emissions. The study aims to provide vehicle manufacturers and engine designers with tools for creating more efficient engines faster and at reduced cost.
Manchester University researchers have developed a method to stabilize previously unstable 2D crystals, allowing for the study of their properties and potential applications. The breakthrough enables the isolation of these materials in thin stacks, enabling control over their properties and opening up new possibilities for industry.
A study of 109 clinicians found that older participants are more likely to believe playing video games leads to violent behavior, highlighting a generational effect. The researchers suggest that parents can help bridge this gap by engaging with their children and trying out the games themselves.
Scientists at UEA have discovered a way to switch the structure of DNA using copper salts and EDTA, enabling potential applications in nanotechnology and DNA-based computing. This breakthrough could also be used for detecting toxic copper cations in water.
Researchers have developed an optical chip that can process photons in an infinite number of ways, a major step forward in creating a quantum computer. This breakthrough brings together existing quantum experiments and paves the way for new protocols, making it easier to conduct research and discover new science.
A new sensor developed at Duke University uses metamaterials and compressive sensing to separate overlapping sounds in loud environments. The device achieved a 96.7% accuracy rate in distinguishing between three identical sounds sent from different directions.
Researchers at Penn State have developed a method for addressing individual neutral atoms using laser light, enabling the creation of quantum computers. The technique allows for precise control over qubits and enables quantum computing applications such as factoring large numbers used in secure codes.
University of Montreal researchers unveil a system that enables 3D cursor interactions, allowing designers to manipulate objects with gestures and movements. The technology has applications in various fields, including architectural design, medical imaging, and computer games.
Researchers developed a tool enabling art directors to control computer programs using verbal descriptors like 'silky' and 'wrinkly'. The system improved the process of creating garments with desired properties, reducing laborious tweaking of technical parameters.
The new method uses a hybrid approach employing three different rendering techniques depending on the scale at which the object is viewed. It allows for accurate rendering while reducing computation time, speeding up processing by tens or hundreds of times.
LinkEdit enables intuitive and predictable changes to planar linkage shape and motion, preserving critical features like walking gait. The software uses symbolic kinematics for efficient computation, allowing users to modify links, joints, and linkage size.
New York University researchers have developed a method to prompt microparticles to form ordered structures, opening the door for improved materials used in consumer products. The technique, centered on DNA-coated colloids, allows for the creation of new compounds with unique properties.
University of Pennsylvania engineers have discovered a silicon-based photonic device sensitive to photon spin, enabling faster and more efficient computing. This breakthrough could lead to the development of photonic computers that exploit the spin of photons, potentially orders of magnitude faster than current technology.
Northwestern University's Michael S. Horn has received a $400,000 Faculty Early Career Development Award to design interactive computer experiences for young people in museums, homes, and out-of-school programs. His goal is to increase diversity in postsecondary computer science programs.
Researchers developed a new technique using synchrotron light to map complex 3D magnetization in wound magnetic layers. This allows for improved sensitivity of magnetic field detectors, crucial for medical imaging and magnetoencephalography.
A new University of Michigan study suggests that napping may be an effective strategy to counteract impulsive behavior and boost tolerance for frustration. The study found that taking a nap increased participants' ability to persevere through difficult tasks.
A new INFORMS journal study reveals that strong advertising and Research and Development can help protect firms from bankruptcy during unstable market conditions. The study found that brands are more effective at protecting firms when the market is stable, while patents are more effective in turbulent markets.
Researchers at MIT report that a widely held assumption about computational complexity is correct, making it unlikely that a more efficient algorithm exists. The current edit distance algorithm, in use for over 40 years, has been deemed the best possible solution for comparing genomes or strings of symbols.
Researchers at Argonne National Laboratory have optimized CONVERGE code to achieve a three-fold increase in engine simulation speed, enabling faster design of better engines and reduced product development time. This breakthrough uses high-performance computing and load balancing techniques to maximize efficiency.
The Merlin Bird Photo ID system can identify 400 bird species in the US and Canada with accuracy of 90% and is designed to improve with user input. The system combines AI techniques with millions of data points from humans to present the most likely species, including photos and sounds.
Researchers at Binghamton University used brain signals to identify individuals with 94% accuracy, suggesting a new type of biometric security. Brainprints are cancellable and cannot be stolen, offering an alternative to traditional methods.
A University of Melbourne study found that glancing at a grassy green roof for 40 seconds markedly boosts concentration. Students who viewed the greener vista made significantly less errors and demonstrated superior concentration on the second half of the task.
A University of Maryland expert is working on a digital platform called CyberHeart to test and validate implantable medical devices. The project combines patient-specific computational models with advanced mathematical techniques to optimize device settings on a patient-by-patient basis.
The Hong Kong Polytechnic University has developed a novel computer-aided detection system for acute stroke using computer intelligence technology. The system detects ischemic and hemorrhagic strokes with 90% accuracy, providing timely treatment within the golden hour of stroke onset.
Researchers at Vienna University of Technology and Activision-Blizzard develop a new mathematical method to create more realistic surface rendering in computer games. The 'SSSS-method' takes into account light scattering below the surface, reducing computing time while maintaining realistic images.
The Disney Research algorithm corrects for parallax and image warping, eliminating ghosting and other distortions in video panoramas. It generates high-quality panoramic videos with resolutions up to 100 megapixels using unstructured camera arrays.