Articles tagged with Image Analysis
Researchers at Dartmouth College have developed a new software method to detect faked photos by analyzing inconsistent shadows, debunking claims that the Apollo 11 lunar landing photo is fake. The new forensic technique provides a more objective task for analysts, shifting the focus from visual plausibility to geometric constraints.
A new study found that patient and visit factors, such as prior visits, referral sources and clinical reasons, are the primary predictors of imaging use in emergency departments. Physician-related factors had a minimal impact on imaging utilization.
A new algorithm developed by Aránzazu Jurío-Munárriz can magnify digital images 700 times faster than existing methods while maintaining quality. This innovation has potential applications in fields such as remote sensing, medical imaging, and pattern recognition.
Researchers have developed new superresolution and segmentation methods for magnetic resonance images to analyze structural brain differences in psychotic patients and their healthy relatives. These methods improve the quality of images and enable automatic calculations of desired sizes, leading to a better understanding of psychosis.
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.
A computer recognition system can quickly distinguish between oranges and lemons and spot different strains of pear, melon, apple, and plum with high accuracy. The system can be used for sorting and packing fruits and vegetables, as well as speeding up supermarket customer checkout.
Researchers at Cornell University found that brain activity patterns in the medial prefrontal cortex can accurately identify an individual's thought process about a person. This unique ability allows us to anticipate behavior and navigate social interactions with greater ease.
Cyclone Haruna strengthened into a cyclone with a wide-eyed eye visible on NASA's Aqua satellite. Heavy rainfall was detected by TRMM satellite, with cloud top temperatures colder than -63F (-52C). The storm is expected to make a brief landfall near Androka in Madagascar as it moves southeast into the southern Indian Ocean.
The symposium explores the leading edge of interdisciplinary collaboration in microscopy, featuring experts who are developing new techniques to visualize life processes at unprecedented spatial and temporal resolution. The goal is to advance the visualization of life from the scale of a single molecule to the whole organism., Research...
A study found that four smartphone applications assessing melanoma risk had varying levels of accuracy, ranging from 6.8% to 98.1% sensitivity and 30.4% to 93.7% specificity. Many apps incorrectly classified most melanomas as non-concerning.
A recent study analyzed online campaign ads from the 2012 French and American presidential elections. The research found that American ads had a significantly higher negative tone compared to French ads. The study's findings suggest that non-professional media creators in America are pushing the boundaries of attack advertising.
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.
Researchers found that both high and low levels of physical activity can lead to accelerated degeneration of knee cartilage in middle-aged adults. The study suggests that finding an optimal level of physical activity may help preserve cartilage health.
Georgia Tech has received a $561,130 contract from DARPA to create an algorithmic framework for supercomputing systems that require less energy than traditional high-speed machines. The goal is to enable devices in the field to perform calculations previously requiring room-sized supercomputers.
New research uses satellite images to estimate species richness and turnover, achieving nearly 100% accuracy. The method could improve biodiversity monitoring and conservation efforts by reducing costs and increasing efficiency.
Scientists at the University of Manchester used CT scans to study a 16 million-year-old amber specimen revealing a springtail transported on an adult mayfly, a behavior never recorded before. The findings demonstrate the importance of the fossil record in understanding present-day animal behaviors.
The NIH plans to support 26 awards to accelerate the development and application of single cell analysis, enabling researchers to identify rare cell types and alterations in specific cells. The program aims to personalize health by understanding the link between cell variation, tissue function, and disease emergence.
The study analyzes stock photography agencies' search and visualization systems to determine essential characteristics. Researchers identify the importance of automated tasks, such as image description inheritance and miniature generation, in these systems.
A new species of green lacewing, Semachrysa, was discovered in the Malaysian rainforest using online images. The insect's distinctive wing pattern was its most notable feature.
Mani Golparvar-Fard's D4AR system analyzes physical progress on large-scale construction projects, providing cost savings and reduced delivery time. The system uses digital photos and Building Information Models (BIM) to automate project monitoring and evaluation.
Researchers analyzed images of Titan's river networks, finding that they resemble early stages of terrestrial rivers' evolution. In some regions, rivers have caused little erosion, raising questions about Titan's geologic past and potential processes such as tectonic upheaval and icy lava eruptions.
BioImageXD is an open-source software that enables the analysis of cell and tissue functions by rendering microscopic images into three-dimensional models. The software allows scientists to study how molecules move on cell surfaces, bond together, and analyze cancer cells' behavior.
Scientists at the University of Illinois have developed new microscopy techniques to analyze pollen grains, enabling better classification of prehistoric flora. The research highlights the importance of pollen morphology in understanding the evolution and diversity of ancient vegetation.
A new system developed by MIT researchers can accurately analyze surveillance camera footage in real-time, reducing false alarms and increasing response time. By using a mathematical framework to weigh the pros and cons of different algorithms, the system can identify potential threats quickly and efficiently.
Researchers analyzed 80-year-old photo plates and found that glaciers were melting faster today than in the 1930s, with most glaciers retreating at an average of 20 meters per year. A brief cooling period in the mid-20th century allowed new ice to form before accelerating again.
Researchers developed a computer software that combines ancient practices with modern medicine by analyzing images of the tongue, indicating potential health issues. The software distinguishes between tongues showing signs of hot or cold zheng, which is associated with various symptoms such as fever, chills and loose stool.
A new study found that anxious individuals can detect negative odors more accurately due to heightened sensory perception, leading to increased anxiety responses.
Scientists propose that the geologic activity occurred less than 50 million years ago, indicating a general state of global contraction. The graben systems found across the lunar surface suggest forces acting to pull it apart overrode contractional forces.
Andreas Römpp and Sabine Guenther received the ABC Best Paper Award 2011 for their pioneering work on mass spectrometry imaging with high spatial resolution. Their method provided highly specific molecular information and excellent correlation with histological features.
A new software tool called Spatially Invariant Vector Quantization (SIVQ) has been developed to analyze digital pathology images with high accuracy. The program was tested on a case of micropapillary urothelial carcinoma and showed promise in separating malignancy from background tissue.
The researchers developed a technique that analyzes the uniqueness of images to match them across different domains, such as photos and paintings. This approach performed well on tasks like matching sketches with photographs, outperforming traditional methods that focus on shapes, colors, and composition.
A new study from the University of Gothenburg found that dental X-rays can predict who is at risk of fractures. The research used data from a long-running Prospective Population Study of Women in Gothenburg and showed that people with sparse bone structure in their jaw are more likely to experience fractures, particularly as they age.
Duke University researchers developed YouProve, an Android add-on that monitors images and audio captured on mobile devices for authenticity and fidelity. It uses advanced algorithms to track changes and produce non-forgeable certificates, ensuring the integrity of crowd-sourced content.
Scientists at IVIA have created a machine that detects rotten oranges using computer vision. Another prototype classifies mandarin segments by quality and damage. These machines improve efficiency in the fruit selection process.
USDA researchers explore the use of unmanned aerial vehicles (UAVs) to monitor changing land-use patterns in western rangelands. The results show that aerial data can be comparable to information gathered through ground-based surveys, with potential applications for erosion control and invasive species monitoring.
New research from the University of Notre Dame shows that holding objects while learning enhances detail processing, but hampers similarity recognition. This orientation to detail has evolutionary roots, with attention to subtleties near the body being crucial for survival.
Researchers at Disney Research and Carnegie Mellon University have developed a new technique for motion capture using body-mounted cameras. The system uses structure from motion (SfM) to reconstruct an actor's movements in real-time, enabling capturing of complex motions like running or swinging outside.
Heavy rainfall and gusty winds are expected from Tropical Storm Don as it approaches landfall in southeastern Texas. NASA's satellite images reveal powerful thunderstorms and cold cloud tops surrounding the storm's center, with rainfall totals reaching up to 5 inches in some areas.
Researchers have discovered a unique 'slingshot' motion used by bacteria to move across surfaces and form biofilms. This motion could allow bacteria to travel faster and more efficiently, using less energy, through a sticky substance that shields them.
A small volcanic province has been discovered on the Moon's far side, revealing clues to its thermal history. The province was created by upwelling of silicic magma and challenges current ideas about the Moon's volcanic history.
A new, non-destructive method for estimating leaf area index (LAI) in vegetables has been developed using a commercial camera and free software. The study produced accurate and inexpensive results comparable to more expensive indirect methods.
Researchers have discovered that compaction bands in sandstone are more permeable than previously believed, which could significantly improve the development of hydraulic fracturing and CO2 sequestration technologies. This finding was made possible by advanced imaging techniques and multiscale computational models.
A Spanish research team used 3D reflection seismology to create detailed images of the Ebro river basin six million years ago. The study reveals that the sea level dropped dramatically during this period, exposing continental margins to atmospheric agents.
A new study from MIT neuroscientists shows that the most memorable photos are those containing people, followed by static indoor scenes and human-scale objects. The researchers developed a computer algorithm to rank images based on memorability, which could be useful for graphic designers and photo editors.
The TRMM satellite detected a large area of heavy rainfall in the supercell thunderstorm that spawned the Joplin tornado. Rainfall rates exceeded 2 inches per hour, indicating a strong storm system.
Patients with mild to moderate dyssynchrony and preserved contractile function benefit most from CRT-D, according to the latest MADIT-CRT trial analysis. The study found that improvements in synchrony and contractile function are associated with reduced death and heart failure events.
Researchers developed an iPhone application that can diagnose stroke with high accuracy, using noncontrast computed tomography (NCCT) and CT angiogram head scans. The technology allows doctors to analyze images in real-time from anywhere, providing critical access to specialists.
The National Academies Keck Futures Initiative has awarded $1 million for 13 interdisciplinary research projects in imaging science, aiming to improve detection and treatment of diseases. The selected projects focus on developing new biomedical imaging methods, including adaptive optics, statistical analysis, and multiscale modeling.
Researchers at North Carolina State University have successfully created ordered layers of nanoparticles using spincasting, a technique that utilizes centrifugal force to distribute liquids onto solid substrates. This approach has promising results for the creation of materials with various uses, from optics to electronics.
A study published in the World Journal of Gastroenterology found that hydro-stomach CT imaging is not a reliable tool for detecting early gastric cancer. The detection rate was unsatisfactory, with size and depth of invasion being independent factors affecting visibility.
Astronomers find that galaxies in this 'sweet spot' mass range can form stars at high rates and grow rapidly. This discovery challenges current models of galaxy formation, suggesting a reduced need for dark matter to trigger starbursts. The research uses infrared images from Herschel's SPIRE instrument.
A new software tool called Leaf Extraction and Analysis Framework Graphical User Interface (LEAF GUI) extracts macroscopic vein structures directly from leaf images. This enables scientists to measure the properties of thousands of veins much more quickly than manual image analysis tools.
Researchers used brain imaging techniques to analyze patterns of brain activity in the basal ganglia, predicting individual learning success in a complex task. The method showed powerful predictive power, connecting brain patterns to performance differences among participants.
Researchers are working to identify factors that cause neural implants to fail, which can occur within six to eight weeks. A team led by the University of Houston is using advanced software and imaging techniques to analyze brain cell responses to implants, aiming to improve prosthetic limbs for amputees.
A computer program trained on probability analysis can extract environmental information from satellite images and sensor data about ocean structures. The technology has been tested with high accuracy, offering clues on subtle changes in ocean temperature and global climate conditions.
Researchers created a software that quickly edits massive images, called ViSUS, allowing users to interactively edit and analyze them in seconds. This technology has the potential to transform various fields such as medicine, where it can be used to edit medical images like MRI and CT scans.
Researchers explored new techniques for 3D imaging and analysis of rocks, fossils, and other materials. These advances have improved our understanding of geological processes and the potential zones of weakness in volcanoes.
Researchers developed a method to accurately assess prostate cancer severity by analyzing magnetic resonance images and spectra. This technique has shown over 90% accuracy in distinguishing low-grade from high-grade prostate cancers, which could lead to better patient management and cost savings.
Dr. George Papanicolaou receives the William Benter Prize for his work on Monte Carlo simulation and its applications in imaging analysis, tackling challenges in cluttered environments. The award supports his efforts to develop effective algorithms for detecting and imaging in varying degrees of clutter.
A team from Brown University has discovered extensive glaciofluvial valleys on Mars, which were formed by running water originating from glaciers. The findings, published in Icarus, indicate that water existed on the planet as recently as several hundred million years ago.