Articles tagged with Wavelets
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
Researchers developed a wavelet-based approach to detect shortwave rail defects, intensifying vibrations between wheels and bridges. The method achieves over 95% detection accuracy, identifying small defects as small as 0.5 mm in amplitude.
The researchers propose a novel defense algorithm, Wavelet-Based Adversarial Training (WBAD), to protect medical digital twins. The two-stage defense mechanism achieves 98% accuracy in breast cancer prediction, even under adversarial attacks, providing a comprehensive and effective defense against cyberattacks.
A study led by Prof. Yong Wei analyzed epidemic records from AD 0 to 1840 in ancient China, revealing a correlation between solar activity and epidemics. The research applied wavelet analysis and ensemble empirical mode decomposition, showing similar periodic changes between the epidemic index and sunspot number.
A University of Texas at Arlington bioengineering professor and her team will integrate a portable brain imaging system with an advanced signal-processing technique for newborns. This project aims to provide real-time analysis needed to treat encephalopathy or brain swelling more quickly, saving the lives of sick babies.
Researchers at UT Southwestern Medical Center have adapted a weather-forecast tool to assess the effectiveness of therapies for reducing brain injury in newborns who suffered oxygen deprivation during birth. The non-invasive method produces real-time heat maps of the infant's brain, helping doctors determine whether therapies are working.
A novel wavelet variational model is proposed to segment ultrasound videos efficiently, tackling low contrast, shadow effects, and complex noise statistics. The model achieves accurate ROI tracking with robustness and flexibility, making it suitable for real-time clinical applications.
Research published in the International Journal of Biomedical Engineering and Technology reveals a wavelet transform approach that improves medical imaging. The technique boosts the signal-to-noise ratio and reduces artifacts, allowing for earlier disease detection and diagnosis.
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.
Professor Ingrid Daubechies of Duke University received the John von Neumann Lecture Prize for her fundamental work in developing the foundations and applications of wavelets. Her research focuses on time-frequency analysis, with contributions to mathematical sciences and engineering fields.
A model developed by Zhengdong Cheng simulates biochemical reactions within the human body, identifying wave patterns that can signal diseased or dead cells. This innovation may lead to better understanding of organ structure and extent of damage, enabling timely diagnosis and treatment.
Researchers at the University of Warwick have developed an automated technique using wavelets to analyze brain tumors, providing a preliminary diagnosis in seconds. The method improves upon existing methods by analyzing hundreds of slides with millions of pixels, increasing accuracy and reducing analysis time.
Researchers develop a new method that embeds data in ultra-short pulses of laser light, shaped via fractal modulation as wavelets, to improve communication reliability. The system achieves higher average bit rates than conventional optical wireless links and ensures on-the-fly operation without significant electronic processing.
A new statistical technique called wavelet bootstrapping enables researchers to extract meaningful information from a single data run by applying re-sampling methods in the wavelet domain. This technique has applications in geophysical sciences, bioinformatics, and medical imaging, among others.
Researchers have developed a new technique using wavelet analysis to speed up radiation dose calculations, allowing for more accurate control over radiation doses and reduced damage to adjacent healthy tissues. This breakthrough uses wavelets to give good fast approximations to smooth data fields with 'rough' noise.
A Lehigh University professor has developed a system that combines images from optical and millimeter-wave cameras to detect concealed weapons, which could save security guards seconds in the search process. The technology uses wireless communication links and has potential applications for law enforcement and military use.
A new system is being developed to aid plastic surgeons in reconstructive surgery by analyzing faces using wavelet analysis, recommending procedures and assessing outcomes. This technology has potential applications outside of plastic surgery, including facial recognition and security, as well as quantifying beauty.