https://techxplore.com/computer-sciences-news/ en-us The latest news on computer science, computer science technology, computer science technologies and technology science. While Santa Claus may have a magical sleigh and nine plucky reindeer to help him deliver presents, for companies like FedEx, the optimization problem of efficiently routing holiday packages is so complicated that they often employ specialized software to find a solution. https://techxplore.com/news/2023-12-ai-approach-solutions-tricky-optimization.html Computer Sciences Tue, 05 Dec 2023 15:56:04 EST news621014161 Researchers from Cornell Tech have developed a method to identify delays in the reporting of incidents such as downed trees and power lines, which could lead to practical insights and interventions for more equitable, efficient government service. https://techxplore.com/news/2023-12-method-cities-responses-resident.html Engineering Tue, 05 Dec 2023 12:42:23 EST news621002539 A new tool promises to bring low-cost, high-resolution artificial intelligence (AI) image generation to a wider audience. It can achieve this without powerful computers behind a paywall. https://techxplore.com/news/2023-12-ai-tool-users-generate-hi-res.html Computer Sciences Mon, 04 Dec 2023 15:33:03 EST news620926381 With the recent sacking and swift rehiring of Sam Altman by OpenAI, debates around the development and use of artificial intelligence (AI) are once again in the spotlight. What's more unusual is that a prominent theme in media reporting has been the ability of AI systems to do math. https://techxplore.com/news/2023-12-openai-artificial-intelligence-good-math.html Computer Sciences Mon, 04 Dec 2023 12:42:04 EST news620916121 A team of AI researchers at Google's DeepMind project have developed a type of AI system that is able to demonstrate social learning capabilities. In their paper published in the journal Nature Communications, the group describes how they developed an AI application that showed it was capable of learning new skills in a virtual world by copying the actions of an implanted "expert." https://techxplore.com/news/2023-12-deepmind-ai-social-capabilities.html Computer Sciences Mon, 04 Dec 2023 12:12:08 EST news620914311 OpenAI's artificial intelligence (AI) chatbot ChatGPT was unleashed onto an unsuspecting public exactly one year ago. https://techxplore.com/news/2023-11-year-chatgpt-ways-ai-world.html Computer Sciences Sat, 02 Dec 2023 12:00:01 EST news620567497 A team of researchers affiliated with AI startups Gen AI, Meta, AutoGPT, HuggingFace and Fair Meta, has developed a benchmark tool for use by makers of AI assistants, particularly those that make Large Language Model based products, to test their applications as potential Artificial General Intelligence (AGI) applications. They have written a paper describing their tool, which they have named GAIA, and how it can be used. The article is posted on the arXiv preprint server. https://techxplore.com/news/2023-12-ai-gaia-benchmark-tool-general.html Computer Sciences Fri, 01 Dec 2023 11:21:06 EST news620652063 Efficiently meeting the growing demand for public services in metropolitan areas has long been a persistent challenge. A research team at City University of Hong Kong (CityU) has developed a novel performance evaluation method, which marks a major breakthrough in tackling a century-old problem of evaluating blocking probabilities in queueing systems with overflow, providing ways to allocate limited resources better. https://techxplore.com/news/2023-11-tackle-century-old-teletraffic-medical-efficiency.html Telecom Thu, 30 Nov 2023 15:04:04 EST news620579040 ChatGPT was launched on Nov. 30, 2022, ushering in what many have called artificial intelligence's breakout year. Within days of its release, ChatGPT went viral. Screenshots of conversations snowballed across social media, and the use of ChatGPT skyrocketed to an extent that seems to have surprised even its maker, OpenAI. By January, ChatGPT was seeing 13 million unique visitors each day, setting a record for the fastest-growing user base of a consumer application. https://techxplore.com/news/2023-11-chatgpt-ai-chatbot-success-humans.html Computer Sciences Thu, 30 Nov 2023 11:48:08 EST news620567284 What does a person look like? If you use the popular artificial intelligence image generator Stable Diffusion to conjure answers, too frequently you'll see images of light-skinned men. https://techxplore.com/news/2023-11-ai-image-generator-stable-diffusion.html Computer Sciences Thu, 30 Nov 2023 06:28:17 EST news620548086 Mathematicians from RUDN University have proposed a new scheme for 5G networks that optimizes access to different network segments. The number of non-priority tasks awaiting the start of execution or interruption has halved, while the probability of disconnection for them does not exceed 0.1%. The results are published in the journal Mathematics. https://techxplore.com/news/2023-11-mathematicians-5g-network-scheme-efficient.html Telecom Wed, 29 Nov 2023 15:47:03 EST news620495221 Led by Dr. Jue Ruan and Dr. Weihua Pan, a study published in the journal National Science Review delves into the realm of DNA digital storage (DDS), a technology acclaimed for its high-density (EB/g), long-term (million years) and low maintenance costs, offering a promising solution for the ever-growing demands of big data storage. https://techxplore.com/news/2023-11-unleashing-power-soft-decision-decoding-dna.html Computer Sciences Tue, 28 Nov 2023 17:23:03 EST news620414581 Researchers from EPFL have just released Meditron, the world's best performing open source large language model tailored to the medical field designed to help guide clinical decision-making. https://techxplore.com/news/2023-11-large-language-medical-knowledge.html Computer Sciences Tue, 28 Nov 2023 12:55:13 EST news620398506 Deep machine learning has achieved remarkable success in various fields of artificial intelligence, but achieving both high interpretability and high efficiency simultaneously remains a critical challenge. Shi-Ju Ran of Capital Normal University and Gang Su of the University of the Chinese Academy of Sciences have reviewed an innovative approach based on tensor networks, drawing inspiration from quantum mechanics. This approach offers a promising solution to the long-standing challenge of reconciling interpretability and efficiency in deep machine learning. https://techxplore.com/news/2023-11-tensor-networks-efficiency-quantum-inspired-machine.html Computer Sciences Mon, 27 Nov 2023 16:59:03 EST news620326741 As the high-speed railway network in China extends beyond 40,000 kilometers, maintaining seamless internet connectivity for passengers is becoming increasingly challenging. The demand for consistent and reliable online access is particularly crucial for travelers who spend extended hours on trains, relying on the expectation of undisturbed work, study, or entertainment. Addressing this need, a team of researchers from the School of Computer Science at Peking University has developed "HiMoDiag"—an innovative tool designed to enhance the understanding and management of network performance in extremely high-mobility scenarios. https://techxplore.com/news/2023-11-graphical-diagnostics-tool-high-speed-railway.html Internet Mon, 27 Nov 2023 16:55:02 EST news620326501 Image recognition technology has come a long way since 2012 when a group of computer scientists at the University of Toronto created a convolutional neural network (CNN)—dubbed "AlexNet" after its creator Alex Krizhevsky—that correctly identified images much better than others. Its findings have propelled successful use of CNNs in related fields such as video analysis and pattern recognition, and now researchers are now focusing on 3D deep learning networks. https://techxplore.com/news/2023-11-3d-images-eyes-ai.html Computer Sciences Mon, 27 Nov 2023 16:45:03 EST news620325901 In the real world/digital world cross-over of mixed reality, a user's immersive engagement with the program is called presence. Now, UMass Amherst researchers are the first to identify reaction time as a potential presence measurement tool. Their findings, published in IEEE Transactions on Visualization and Computer Graphics, have implications for calibrating mixed reality to the user in real time. https://techxplore.com/news/2023-11-immersive-engagement-reality-reaction.html Consumer & Gadgets Mon, 27 Nov 2023 13:02:52 EST news620312567 In a study published in Scientific Reports, a research team from the University of Passau compared the quality of machine-generated content with essays written by secondary school students. The upshot: The AI-based chatbot performed better across all criteria, especially when it came to language mastery. https://techxplore.com/news/2023-11-chatgpt-school-essays-students.html Computer Sciences Mon, 27 Nov 2023 12:43:39 EST news620311416 Researchers at Seoul National University have recently tried to train an artificial intelligence (AI) agent to create collages (i.e., artworks created by sticking various pieces of materials together), reproducing renowned artworks and other images. Their proposed model was introduced in a paper pre-printed on arXiv and presented at ICCV 2023 in October. https://techxplore.com/news/2023-11-artistic-collages.html Computer Sciences Sun, 26 Nov 2023 09:00:01 EST news619872887 Multi-focus image fusion (MFIF) is an image enhancement technology that helps to solve the depth-of-field problem and capture all-in-focus images. It has broad application prospects that can effectively extend the depth of field of optical lenses. https://techxplore.com/news/2023-11-multi-focus-image-fusion-diffusion.html Computer Sciences Fri, 24 Nov 2023 14:06:02 EST news620057161 With the emergence of huge amounts of heterogeneous multi-modal data—including images, videos, texts/languages, audios, and multi-sensor data—deep learning-based methods have shown promising performance for various computer vision and machine learning tasks, such as visual comprehension, video understanding, visual-linguistic analysis, and multi-modal fusion. https://techxplore.com/news/2023-11-causal-visual-representation-prospective.html Computer Sciences Wed, 22 Nov 2023 16:23:48 EST news619892624 Imagine yourself on a beautiful beach. You're likely visualizing sand and sea but also hearing a symphony of wind gusting, waves crashing and gulls cawing. In this scene—as well as in urban settings with neighbors talking, dogs barking and traffic whooshing—sounds are critical components of the overall feel of a place. https://techxplore.com/news/2023-11-framework-heard.html Engineering Wed, 22 Nov 2023 13:22:04 EST news619881723 A novel technology to manage demands on mobile networks from multiple users using Terahertz frequencies has been developed by University of Leicester computer scientists. https://techxplore.com/news/2023-11-tech-tackling-demand-internet-mobile.html Telecom Mon, 20 Nov 2023 16:53:36 EST news619721610 In a paper published in Intelligent Computing, Philip Nicholas Johnson-Laird of Princeton University and Marco Ragni of Chemnitz University of Technology propose a novel alternative to the Turing test, a milestone test developed by computing pioneer Alan Turing. The paper suggests that it is time to shift the focus from whether a machine can mimic human responses to a more fundamental question: "Does a program reason in the way that humans reason?" https://techxplore.com/news/2023-11-redefining-quest-artificial-intelligence-turing.html Computer Sciences Mon, 20 Nov 2023 16:07:03 EST news619718821 Data is the new soil, and in this fertile new ground, MIT researchers are planting more than just pixels. By using synthetic images to train machine learning models, a team of scientists recently surpassed results obtained from traditional "real-image" training methods. https://techxplore.com/news/2023-11-synthetic-imagery-bar-ai-efficiency.html Computer Sciences Mon, 20 Nov 2023 12:44:10 EST news619706646 Graphs are essential tools for visualizing complex information, from social networks to biological pathways. However, designing these graphs can be challenging, as it involves balancing aesthetics with the practicality of automatic generation. https://techxplore.com/news/2023-11-explores-methods-visualization-jaya-algorithm.html Computer Sciences Mon, 20 Nov 2023 11:17:03 EST news619701421 While most robots are initially tested in laboratory settings and other controlled environments, they are designed to be deployed in real-world environments, helping humans to tackle various problems. Navigating real-world environments entails dealing with high levels of uncertainty and unpredictability, particularly when robots are completing missions as a team. https://techxplore.com/news/2023-11-approach-actions-robot-teams-uncertain.html Robotics Sat, 18 Nov 2023 09:40:02 EST news619436284 In the last year, large language models (LLMs) have come into prominence for boasting a suite of ever-expanding capabilities including text generation, image production, and, more recently, highly descriptive image analysis. The integration of artificial intelligence (AI) into image analysis represents a significant shift in how people understand and interact with visual data, a task that historically has been reliant on vision to see and knowledge to contextualize. https://techxplore.com/news/2023-11-peek-future-visual-framework-generative.html Computer Sciences Fri, 17 Nov 2023 12:29:05 EST news619446541 A new algorithm that can enhance covert communication without compromising data integrity is reported in the International Journal of Autonomous and Adaptive Communications Systems. https://techxplore.com/news/2023-11-algorithm-advances-uncompromising-covert-communication.html Computer Sciences Fri, 17 Nov 2023 12:01:06 EST news619444862 Four years ago, UC Santa Cruz's Jason Eshraghian developed a Python library that combines neuroscience with artificial intelligence to create spiking neural networks, a machine learning method that takes inspiration from the brain's ability to efficiently process data. Now, his open source code library, called "snnTorch," has surpassed 100,000 downloads and is used in a wide variety of projects, from NASA satellite tracking efforts to semiconductor companies optimizing chips for AI. https://techxplore.com/news/2023-11-paper-perspective-future-brain-inspired-ai.html Computer Sciences Fri, 17 Nov 2023 10:07:05 EST news619438021