Articles tagged with High Resolution Imaging
Researchers introduce a novel algorithm to estimate speed and angle of rotating objects in space, then apply these estimates to develop high-resolution images. The method achieves improved resolution without being heavily affected by atmospheric fluctuations.
Scientists have successfully imaged HIV during transport into the nucleus of an infected cell using 3D imaging techniques. The images show that the viral capsid passes through the nuclear pore intact before breaking apart inside the nucleus.
High-resolution imaging revealed debris-covered glacier deposits on Mars formed in multiple punctuated episodes of ice accumulation over long timescales. Boulder size and distribution varied across the glacial landforms, contradicting predictions for a single continuous deposition period.
Artificial neural networks enhance signal-to-background ratio in near-infrared imaging, sharpening blurred images. The technology has potential to improve diagnostics and image-guided surgery in the clinic.
Researchers developed an airborne approach to map live coral distribution in the Hawaiian Islands, revealing a negative correlation between nearshore development and live coral cover. The study suggests that this cost-effective method could provide high-resolution monitoring of coral health at a low cost.
Scientists at the University of Southampton have made a breakthrough in reconstructing eye tissues from the outer retina using serial block face scanning electron microscopy. The study provides a clear picture of the 3D organisation of the retinal pigment epithelium, which could help understand causes of damage leading to sight loss.
Researchers at SUTD demonstrate high-resolution 3D waveguides guiding light in a spiral and air-bridge configuration, achieving low loss and high bandwidth. The 3D fabrication enables error-free optical transmission at high speeds and showcases the devices' suitability as low-loss waveguides.
Researchers have developed an ultracompact metalens array that enables wide-field microscope imaging with large field of view and high resolution. The metalens-integrated imaging device (MIID) achieves compact architecture and working imaging distance in the hundreds of micrometers, paving the way for real-world applications.
Scientists have developed a new imaging technology to study the brain's deep structures at high resolution. The technology, called adaptive optics two-photon endomicroscopy, enables in vivo imaging of deep brain structures and sheds light on brain functions.
A new simulation approach has enabled faster computation of complex airfoil noise characteristics under extreme conditions, accelerating the development of quieter designs. The method uses a wall-modeled large-eddy simulation to model near-surface flows at high resolution while reducing computational intensity.
Researchers demonstrate that high-resolution spectroscopy can detect water vapour and other chemicals in the atmospheres of exoplanets behind dense clouds. Models based on known exoplanets with clouds show promise for detecting trace species with just a few nights of observations.
Researchers have developed two new spectral variants of dLight1 sensor, allowing for the simultaneous assessment of dopamine and other neurochemical release. These sensors provide high resolution, real-time imaging of the spatial and temporal release of dopamine in live animals.
A team of international researchers developed propagation-invariant light fields using caustics that do not change during propagation. This breakthrough enables new applications in high-resolution microscopy, material processing, and multidimensional signal transmission.
A custom light-sheet microscope enables gentle observation of corals and their polyps for eight hours at high resolution. This technology sheds light on coral bleaching and symbiotic relationships.
Researchers have developed new techniques that can significantly reduce the time needed to process complex images from cutting-edge microscopes. These methods use deconvolution algorithm modifications, parallelization, and neural networks to speed up processing time by several thousand-fold.
Researchers at Tufts University developed biomaterial-based inks that respond to chemicals released from the body or environment, providing a detailed map of human response or exposure. The technology can detect a wide range of biological conditions and molecules, potentially tracking air quality and environmental monitoring.
A novel study uses optical coherence tomography to predict hemodynamic relevance of coronary lesions, reducing need for pressure wire and potentially saving patient risk and healthcare expenses. OCT parameters showed significant correlation with fractional flow reserve values.
Researchers developed a new laser-based system that can image around corners in real time, enabling applications such as detecting hazards or pedestrians in self-driving cars. The system uses deep learning to reconstruct hidden objects at high resolutions and speeds.
Researchers studied a small, toothless beak-like structure in prehistoric birds from the Cretaceous period. The predentary, found only in ancient ornithuromorphs, may have aided prey capture with proprioceptive capability and kinetic movement.
A team of researchers has developed a method to generate sufficient quantities of Luteoviridae viruses, allowing them to study their structures in high resolution. The technique involves using plant expression technology to create virus-like particles, which can be observed by cryo-electron microscopy.
This review analyzes the diagnostic value of ultrasound in evaluating 7 major arthritic conditions. Ultrasound is found to be effective in delineating characteristic features for each condition, making it a convenient and accurate imaging modality.
Researchers have discovered the structure of a ring-shaped doorkeeper in the TRPML2 ion channel, which controls its interaction with calcium ions. The pH value determines whether calcium ions can open or block the channel, regulating their transport across cellular membranes.
Researchers found a three-year breeding failure at Halley Bay colony due to unstable sea-ice conditions. The local population has largely disappeared, while nearby Dawson Lambton colony has increased in size as birds seek better breeding grounds.
Researchers at Xiamen University have created a device that enables the direct detection and mapping of chemicals inside biological cells. This breakthrough technique, called near-field desorption postionization time-of-flight mass spectrometer (NDPI-TOFMS), overcomes challenges in high-resolution imaging and provides undistorted chemi...
The study provides new insights into targeting the human T-cell immunoglobulin and mucin domain containing protein-3 (hTIM-3) for treating various cancers. The high-resolution structure of hTIM-3 will help develop useful therapeutics.
A new compact hyperspectral system captures 5-D images with high speed and accuracy, benefiting applications such as optical-based sorting and personal medical monitoring. The system uses structured light to create detailed digital archives of historically valuable artifacts.
Researchers found that low-resolution climate models fail to capture the complexity of regional rainfall systems, leading to underestimated projections. High-resolution models, on the other hand, project large increases in summer rainfall under certain scenarios.
Researchers have developed a new class of endoscopic imaging catheters that overcome the limitations of current systems, achieving higher resolution and functionality. The nano-optic endoscope incorporates metalenses into its design, enabling high-resolution imaging at extended depth of focus without complex optical components.
Researchers have discovered a nearly 15.5-mile-long fault zone with two parallel master faults and hundreds of smaller cross faults at the southern tip of the San Andreas Fault. The 'Durmid Ladder' structure may be the site of the region's next major earthquake, posing an increased surface-rupture hazard.
A new study by Maziar Heidari and colleagues introduces an adaptive resolution simulation technique that couples accurate models with simpler, idealized representations of solids. This approach enables efficient computation of thermodynamic properties at a reduced computational cost.
Research finds current Kyl-Bingaman Amendment limits US satellite imagery resolution, restricting scientific research opportunities in Israel and Palestine. An 'open-skies policy' is recommended to meet international standard of 0.5m.
Researchers at the IAC have identified a star with minimal heavy elements, providing insights into the formation of the Galaxy's first chemical elements. The star, located 7,500 light years from Earth, has a surface temperature of 400 degrees hotter than the Sun.
Researchers found that initial bone parameters significantly correlate with the risk of fracture in postmenopausal women. Peak bone mass and density appear to play a more crucial role in fragility fractures than previously thought.
Researchers at The Scripps Research Institute have discovered the workings of a promising treatment for Marburg virus, which has a mortality rate of up to 88 percent. The treatment, MR191, targets a conserved site on the virus and neutralizes it by mimicking the host receptor.
A two-year project will use drones and high-resolution imagery to estimate koala abundance, providing a robust survey method for detecting the native fauna. The State Government has committed additional $12.1 million for koala conservation, including ongoing funding for protection.
UCSB researchers have developed a method for 3D through-wall imaging using drones and WiFi, enabling objects to be imaged in real-time with high resolution. The technology has potential applications in emergency search-and-rescue, archaeological discovery, and structural monitoring.
Researchers developed a method to estimate crop yields from space using high-resolution satellites, which could improve agricultural productivity and test intervention strategies. By combining satellite imagery with computer models of crop growth, they achieved surprisingly accurate predictions of actual productivity on the field.
Researchers have developed a highly stretchable and UV curable elastomer that can be stretched by up to 1100%, making it suitable for 3D printing techniques. The new material enables the direct creation of complex structures and devices, such as soft robotic grippers, with significantly reduced fabrication time.
Researchers developed a novel image-based simulation approach that accounts for realistic architectural non-idealities and flow physics in tissue engineering scaffolds. This technology allows for correlating cell behavior and tissue growth with flow, tracking relationships over time via repeated scanning.
Researchers used high-resolution brain scans and machine learning algorithms to detect concussions in individual patients, achieving an 88% accuracy rate. The approach also predicted the severity of symptoms reported by patients.
Researchers at UVA have created a new imaging method that combines the advantages of MRI and gamma-ray imaging, enabling high-resolution medical diagnostics with minimal tracer material. The technique uses radioactive xenon isotopes to produce images with increased sensitivity and diagnostic power.
A new study from Queen Mary University of London found that listeners can distinguish between low and high resolution audio formats with training. The research analyzed data from over 12,000 trials and suggested that careful selection of stimuli plays a crucial role in identifying the difference.
A study led by Dr Alistair Evans from Monash University has simplified the understanding of human tooth evolution, allowing for predictions on missing teeth. The 'inhibitory cascade' rule reveals a pattern in tooth size that was previously thought to be more complex.
Researchers used a 7T MRI scanner to visualize myocardial injury in patients with hypertrophic cardiomyopathy, detecting minute clefts that were previously impossible to see. The technology offers high-resolution imaging and could lead to more accurate diagnoses of heart diseases.
Researchers from Goethe University and MIT have developed a new method to deliver protein markers with nanometre precision into living cells. The technique, called cell squeezing, uses high pressure to incorporate fluorescent probes with an efficiency rate greater than 80 percent.
Researchers develop novel method to build large arrays of nanolenses using chemical and lithographic techniques, enabling extremely high-resolution imaging or biological sensing. The technique allows for precise control over nanoparticle placement, producing tiny separations that produce the nanolensing effect.
A new high-resolution method allows precise identification and quantification of interactions between a receptor and two ligands. Scientists have developed a novel approach using atomic force microscopy, enabling the imaging of single membrane receptors while detecting their interactions with multiple ligands.
A new study from the Cedars-Sinai Heart Institute shows that about 15% of patients with bioprosthetic aortic heart valves develop blood clots on the leaflets, which can impair valve motion. However, anti-coagulation medications like Warfarin quickly resolve the issue for all patients, regardless of the type of valve or procedure.
A new performance capture method developed at Disney Research captures facial features in high resolution, including wrinkles, and operates in real-time with a single video camera. This allows for realistic virtual characters and improved emotional expression conveyance.
Researchers have developed a new method to display the spatial structure of nuclear pores in high resolution. This has led to a better understanding of how certain molecules are transported into or out of the nucleus. The discovery sheds light on various diseases, including cancer, that involve defective transport through nuclear pores.
Researchers used imaging and computation to unravel a complex neural mystery, discovering three simple rules that govern the visual system of the humble fruit fly. The findings have implications for understanding human brain development and could lead to new approaches to decoding complex biological systems.
Scientists have developed nanoscale hybrid materials for noninvasive cancer diagnosis, offering improved image resolution and minimal toxicity. These hybrid materials combine strong fluorescence, high photostability, and great biocompatibility, making them promising for clinical bioimaging applications.
Researchers discovered jumping spiders use 'spectral filtering' to see in three color channels, like humans. Their principal eyes detect red, green, and UV light, with a filter converting some green-sensitive cells to see red.
Researchers at Washington University in St. Louis have developed a high-speed imaging method that enables the visualization of blood flow, blood oxygenation, and oxygen metabolism in living mouse brains. The new technique, called photoacoustic microscopy, achieves high-resolution images with capillary-level resolution at a rate of 100 ...
A new spectrometer using reflection zone plate optics resolves the spectral range of lighter elements, such as lithium and oxygen, which cannot be detected by traditional energy dispersive spectrometers. This technology has significant implications for research on energy-related materials and life sciences.
A researcher from Moscow Institute of Physics and Technology has developed a reliable mathematical model of Titan's atmosphere, which matches the latest data surprisingly well. The model takes into account various chemical reactions between neutral molecules and ions in the upper layers of Titan's atmosphere.
A team of researchers has discovered a previously unknown mechanism for wear in metals, which could lead to improved durability of metal parts. The findings show that tiny bumps and surface defects can form through a swirling, fluid-like behavior in solid metals, leading to cracks and wear particles.
UTHealth researchers have developed a new technology, NIRFLI, that can non-invasively image the human lymphatic system using near-infrared fluorescence and laser diodes. This device promises to revolutionize lymphatic care by allowing for early detection and monitoring of conditions such as lymphedema and cancer.
Researchers from British Antarctic Survey demonstrated a new method using Very High Resolution satellite imagery and image processing software to automatically detect and count whales breeding in the Golfo Nuevo, Peninsula Valdes. This semi-automated technique has been shown to achieve 89% accuracy in identifying probable whales.
High-resolution satellite images successfully counted southern right whales off the Argentinian coast, using automatic detection methods that outperformed traditional manual detection. The study's findings suggest this new approach could be applied to other whale species and marine mammal populations.