Articles tagged with Computers
Engineers at the University of British Columbia have created a three-dimensional computer model of bat flight, capturing its complexity for the first time. This breakthrough could lead to better drone design and efficient aerial vehicles.
Researchers at TU Dresden are developing a technical assistance system that allows users to control devices using only tongue movements. The system, called Zungenmaus, aims to maintain everyday skills in patients with sensory and motor function impairments.
A recent study found that handwritten font on menus can convey a sense of love and care, leading customers to believe healthier food options are better for their bodies. This perception influences customer behavior, including increased social media interaction with the restaurant's brand.
Researchers at the University of Warwick and Children's Hospital of Philadelphia have developed a computer simulator that predicts lung damage from ventilator settings. The study identified strategies to reduce tidal volumes and driving pressures, potentially improving patient outcomes.
A team led by Professor Ebrahim Karimi creates a new quantum simulator that uses the properties of light to simulate periodic and closed structures in nature. The experiment reveals fundamentally different physics between ring-shaped and line-shaped systems, opening opportunities for developing efficient photonic-based quantum computers.
Scientists found that a strategy called 'extortion' is unbeatable, as it alternates between cooperation and egoism to force opponents to cooperate. This tactic can lead to significant gains for the 'extortioner', even when competing against cooperative players.
Researchers have developed a new technique using machine learning to classify large datasets of camera trap images, reducing the time needed for analysis. The computer can identify species with high accuracy and also learn to distinguish between empty images, greatly increasing efficiency.
A new breed of algorithms has mastered Atari video games 10 times faster than state-of-the-art AI, using a combination of reinforcement learning and intrinsic motivation. This method autonomously identifies sub-goals and exhibits relatively human-like behavior, making it competitive with Google DeepMind in the game Montezuma's Revenge.
Researchers from Ural Federal University and University of Edinburgh have developed a new theory on the collective behavior of magnetic nanoparticles for cancer treatment. Their computer simulations show that particles interact and influence each other, producing a unique effect that is not described by traditional Debye theory.
Researchers from Universidad Carlos III de Madrid have patented a Kleroterion device made of methacrylate, ensuring randomness in the entire process. The new design offers advantages such as ease of transport and transparency, making it a simpler and more reliable method for selecting people.
A Johns Hopkins study found that the brain's push-pull dynamic between hemispheres contributes to risk-taking behavior, with cumulative feelings from past bets influencing decisions. Researchers used stereoelectroencephalography to analyze neural signals and developed a mathematical equation to calculate each patient's bias.
Researchers at San Francisco State University found that poor head and neck alignment while working on computers can cause fatigue, headaches, and neck pain. By adopting good posture, such as keeping the head aligned with the neck, individuals can reduce muscle tension and alleviate these symptoms.
Researchers have developed a hybrid device combining two types of qubits to solve the speed bottleneck in quantum computing. By integrating different qubit architectures, they achieved rapid initialization and coherent measurements, paving the way for more scalable devices.
Researchers have discovered a way to create atomic-scale binary logic that powers faster and more energy-efficient electronics. This breakthrough could lead to significant reductions in power consumption and pave the way for sustainable, green technology.
Researchers developed AlphaZero, a generalized game-playing program that can learn any game through self-play reinforcement learning. The system mastered complex games like chess, shogi and Go within hours of self-learning and outperformed state-of-the-art AI programs.
Scientists have created a memristive element made from nanowires that functions similarly to biological nerve cells, storing and processing information in parallel. The discovery offers promising advantages for bioinspired computers, which can work decentralised with multiple processors connected by networks.
Researchers at Virginia Tech have developed a virtual reality technique called Force Push, enabling users to manipulate objects with subtle hand gestures. The interface responds to the speed and magnitude of hand movements, providing a more physical and intuitive experience than traditional hand controllers.
Research finds that mobile payment adoption leads to increased total transaction amounts and frequencies, affecting traditional channels. The study also reveals that the mobile channel substitutes for offline payments and complements online transactions.
Researchers at Chiba University have successfully developed a special-purpose computer that can project high-quality three-dimensional (3D) holography as a video. The computer, called HORN-8, uses a calculation method called the 'phase type' to adjust the phase of light and increase computing speed.
Researchers developed a new machine learning method that allows AI to make classifications without negative data, a crucial component in traditional classification technology. This breakthrough enables AI systems to function effectively even when limited by data regulation or business constraints.
Scientists at UNC Lineberger Comprehensive Cancer Center develop a computer algorithm to analyze breast cancer images and identify tumor characteristics. The AI system achieves high accuracy in distinguishing between low-intermediate and high-grade tumors, as well as estrogen receptor status and molecular subtypes.
Researchers from the University of Tokyo developed an AI-powered simulation that accurately models earthquake physics in urban centers, achieving a fourfold increase in speed. The new code adapts to precision needs and reduces computational power, enabling more efficient disaster response.
Researchers have discovered three types of attacks that can be launched using a computer's graphics processing unit (GPU) to spy on web activity, steal passwords, and break into cloud-based applications. The attacks work by exploiting vulnerabilities in the GPU's memory utilization and performance counters.
Researchers at UC Berkeley have developed a practical proposal known as random circuit sampling (RCS) to prove quantum supremacy in quantum computers. This technique uses complex mathematical constructs to demonstrate the 'quantum accent' of a device, making it difficult for classical computers to replicate.
A new tool developed at Princeton University streamlines the creation of computer-animated images by automatically separating repeating objects into layers. The tool allows users to manually select and draw motion lines, which are then used to animate similar elements in a believable manner.
Researchers developed a device that utilizes nonlinear dynamics of a microscopic silicon beam to enable microelectromechanical neural networks, achieving high-dimensional calculations. The system demonstrated accuracy in tasks such as classifying spoken sounds and processing binary patterns.
A new technique using holographic images guides the insertion of external ventricular drains, increasing accuracy and reducing complications. The mixed-reality headset provides visualizations of individual patients' unique brain anatomy, allowing neurosurgeons to perform procedures more accurately and safely.
The University of Delaware is leading the charge in quantum technology research with a $1 million NSF grant. The team aims to develop quantum electronics that can process information faster and with greater accuracy, enabling next-generation technologies for communication, computing, and sensing.
Researchers, led by Dr. Nikolaus Wenger, are developing neural prostheses for brain-computer interfaces to treat neurological disorders. The goal is to understand how the brain processes information and develop a prosthesis that can transmit signals back to the nervous system.
A new DNA tool created by Michigan State University can accurately predict people's height and potentially assess their risk for serious illnesses like heart disease and cancer. The tool uses machine learning and analyzes the complete genetic makeup of nearly 500,000 adults in the UK to build predictors for complex traits.
Researchers developed an image averaging method to enhance low-quality CCTV footage, significantly improving human and computer facial recognition accuracy. The technique allows for a standardized way to create digital snapshots from multiple camera angles, aiding law enforcement in suspect identification.
A new system using computer avatars detects dementia with high accuracy by analyzing speech and language patterns of elderly individuals. The technology has the potential to encourage early diagnosis through daily conversations with avatars.
A study by Dr Harry Witchel at Brighton and Sussex Medical School found that smiling is linked to subjective engagement, not happiness. In one-to-one Human-Computer-Interaction experiments, participants smiled more when answering questions incorrectly.
Researchers at Penn State successfully organized atoms in a lattice to lower entropy, which could aid in creating a quantum computer. This achievement uses uncharged atoms as qubits, enabling multiple states simultaneously and making computation more efficient.
Scientists at the Weizmann Institute of Science have successfully demonstrated a logic gate that enables the exchange of information between photons and atoms, a breakthrough necessary for scaling up quantum computers. This achievement paves the way for the development of more powerful quantum computing systems.
Researchers at Vanderbilt University created a structure that concentrates light powerfully, nearly indefinitely, using a simple equation. The bowtie-funnel combo amplifies input light in a small region, enabling low-power manipulation of information on computer chips.
Researchers created a lensless camera by connecting a digital sensor to a plexiglass window, which acts as a makeshift lens. The system can capture recognizable images with computer algorithms decoding the pixelated data. This innovation opens up possibilities for various applications, including augmented reality goggles and biometric ...
The University of Maryland Baltimore County (UMBC) has partnered with the Chesapeake Conservancy to develop a more accurate map of the region's waterways using novel techniques. This project aims to prioritize restoration efforts and enhance enforcement of environmental laws in the Chesapeake Bay watershed.
A Rice University scientist has developed a new method to diagnose quantum computers, reducing the need for expensive measurements. This approach uses compressed sensing to minimize data while ensuring accurate results, making it possible to validate even large-scale systems.
Scientists have found a way to control spin currents using magnetic fields and temperatures, significantly improving the efficiency of fundamental spintronic components. This breakthrough has the potential to revolutionize the design of storage devices like hard disks and create new technologies such as spin current switches.
Researchers develop computational tool to automatically create 3D print templates for nanostructures that correspond to user-defined colors. The new design tool has several advantages over previous methods, including a free-form structure that allows for greater flexibility and possibilities for additional coloring effects.
The new strategy combines design of a chemical library, virtual screening, automated synthesis, and in vitro study of biological activity. This approach accelerates and automates the process of prototype molecule optimization, increasing chances of finding potential medicinal molecules.
Dr. Nick Strandwitz is exploring a multi-step method to address temperature issues in atomic layer deposition (ALD), a process crucial for precision thin film growth. His goal is to control the crystallinity of the material, which affects its electronic properties.
Researchers at Stanford University have developed a system that automatically renders accurate sounds for complex animated content, such as splashing water or colliding objects. The system takes into account the vibrations of each object and how they excite sound waves, resulting in highly detailed and realistic sounds.
A new study suggests that excessive screen time is contributing to an increase in nearsightedness among children, with symptoms including dry eye and blurred vision. Parents can take steps to mitigate this by encouraging outdoor activities, using good posture, and taking regular breaks from screens.
Computer vision algorithms have made significant progress in tasks such as object identification and categorization. However, they struggle with determining whether two objects in an image are the same or different. Researchers at Brown University found that this limitation stems from the inability of these algorithms to individuate ob...
The Google team developed a comprehensive system for capturing and rendering high-quality spherical light field still images from footage captured in the real world. The processing pipeline uses computer vision to place the images in 3D and generate depth maps, resulting in a truly immersive experience with unmatched realism.
A study from University of Helsinki reveals that sudden cold spells occurred during the Eemian interglacial period, lasting hundreds of years and impacting northern European climate. The research suggests that disturbances in North Atlantic circulation contributed to these shifts, highlighting the sensitivity of this oceanic system.
Researchers trained a machine learning algorithm to analyze microscopic radiation damage, achieving an accuracy of 86% compared to humans. The algorithm can process images faster and more efficiently than humans, making it a promising tool for developing safe nuclear materials.
Walt Disney Animation Studios premieres its first VR short film Cycles at SIGGRAPH 2018, exploring the true meaning of creating a home and the life within. The film utilizes innovative techniques such as Quill VR painting and motion capture to bring the story to life in immersive virtual reality.
Defect-free boron arsenide has a record-high thermal conductivity, drawing heat away from hotspots much faster than current materials. This breakthrough could improve performance and reduce energy demand in various electronic devices.
Linköping University researchers have developed a method to simulate the heart's function using CT scan data, which may revolutionize cardiovascular disease diagnosis. This technique allows for quick and easy investigations, enabling the study of blood flow in individual patients.
A research team has developed a new sketch-based editing framework called FaceShop that uses machine-learning techniques to enable users to edit their photos by 'sketching' a few strokes on top of them. The system allows untrained users to perform complex edits within minutes using an intuitive interface.
A team of researchers from the Santa Fe Institute has published a paper on the thermodynamics of computation, which involves elements of statistical physics, computer science, cellular biology, and neurobiology. The study aims to understand how computers process information and reduce energy waste by optimizing computational processes.
A UNLV study reveals that iPad neck pain is a growing problem among Americans, particularly young adults and women. The study found that postures such as sitting without back support and using tablets while lying on the side or back significantly contribute to the condition.
A new approach in VR redirected walking leverages eye blinks to provide users with a realistic perception of infinite space. The technique, developed by computer scientists, involves redirecting the user's viewpoint during natural instances of eye blinking, without undetectable camera movements.
A computer program developed at the University of Bonn can accurately predict future actions by learning typical sequences from video sequences. The algorithm achieved an accuracy rate of over 40% for short forecast periods and was tested on new videos with promising results.
A University of Maryland study found that people remember information better when presented in virtual reality compared to traditional desktop computers. The researchers used a memory palace method and found an 8.8% improvement in recall accuracy using VR headsets.
Researchers have developed Autofocals, a system that automatically corrects presbyopia by mimicking the natural accommodation response of the eye. Users experienced better visual acuity at nearer distances compared to monovision and progressive lenses methods.
Researchers have developed a novel audio-visual model that can isolate and enhance speech in videos, even in challenging real-world scenarios. The model uses both visual cues, such as lip movements, and auditory signals to focus on the speaker's voice and improve speech quality.