Articles tagged with Image Processing
Sparse microwave imaging combines sparse signal processing theory with microwave imaging to improve resolution and reduce system complexity. The new concept enables faster calculation of large-scale scenes, making it suitable for wide mapping swath applications.
Researchers propose a structure-aware image stylization method to generate artistic effects using single digital images as input. The approach preserves fine structure details and executes efficiently in real-time for large resolution images on a GPU, enhancing users' immersive feelings and recognition speed.
A new study suggests that men's brains perceive women primarily as body parts, whereas women tend to view men in a more holistic manner. The research found consistent results across both male and female participants, suggesting a fundamental difference in cognitive processing between the two genders.
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.
The new Multi-View SPIM microscope allows scientists to image rapid biological processes in thick samples at high resolution. It can record the movements of every nucleus in the embryo throughout its life, providing valuable insights into embryonic development.
Researchers release first installment of 500 terabytes of data on whole-brain circuit mapping project. The data provide a detailed picture of individual neurons and their processes, enabling users to explore three-dimensional brain space.
A Harvard archaeologist developed a system to identify early human settlements based on satellite image analysis, uncovering approximately 9,000 possible sites in northeastern Syria. This technique simplifies the process of finding ancient settlements, allowing for more efficient and targeted surveys.
Graham Johnson's entry, a collaboration with colleagues, won first place in the video category for its visualization of complex 3D data sets. The winning tool enables scientists to compare parameters of complicated structures at a glance.
A German team developed a system that locates pedestrians in front of the vehicle using artificial vision, with improved recognition by a factor of up to 7.5 compared to non-dense systems.
The Focus Issue on Digital Holography and 3-D Imaging presents recent breakthroughs in digital holography, enabling non-invasive biomedical imaging and applications in structural analysis. Novel techniques such as compressive holography and lens-free tomographic microscopy are showcased, advancing 3-D display technologies.
The APS/DFD Virtual Press Room features a gallery of evocative images and animations that bring the science of fluid dynamics to life. These visual representations provide important scientific insights into complex flow phenomena.
A new chemical process developed by Harvard researchers simplifies the creation of PET tracers, allowing for real-time 3-D images of biological processes. This breakthrough has the potential to revolutionize drug development and disease diagnosis.
A study by researchers at the University of Strathclyde found that vividness in face descriptions can be achieved through holistic approaches rather than detailed features. This approach leverages the reader's emotional response to create a more vivid image.
Hurricane Jova's eye appears as 'winking' to NASA satellites due to varying cloud cover. Infrared data reveals frigid cloud top temperatures of -80C (-112F), indicating tremendous storm power. The hurricane is expected to make landfall in Mexico tonight, bringing significant flooding and rough seas.
Researchers create computerized caricatures of idealized faces for Labour and Conservative MPs based on participants' perceptions. The study finds that the public's perception of an MP's face influences their political affiliation
A study published in Journal of Traumatic Stress found that college students showed increased stress responses to negative visual images, even those not directly exposed to the 9/11 attacks. The research suggests a broader impact on psychological processes, rethinking the severity spectrum for distress reactions.
The ASCB's online image library has won The Scientist's 2011 Readers' Choice Award for favorite website, showcasing over 3,250 searchable images. The library, funded by the NIH, has attracted 65,000 visits from 157 countries and welcomes contributions from researchers worldwide.
Researchers at the University of Missouri found that combining threatening and disgusting anti-smoking TV PSAs can cause viewers to experience strong defensive reactions. This
A novel imaging technique combines high resolution, high penetration depth, and high imaging speed to capture detailed information from live biological samples without damaging them. The technique uses two-photon excitation in sheet-illumination mode, enabling fast imaging speed and reducing light-induced damage.
A new software program allows neuroscientists to produce single brain images from hundreds of individual studies, reducing the time-consuming process. The tool uses meta-analysis to extract brain scan images and analyze them rapidly.
A study found that non-gated PET imaging with 4D computed tomography can produce more accurate tumor imaging for patients with irregular breathing. This approach may improve overall accuracy of tumor detection and inform clinicians about appropriate treatments.
The EUREKA project has developed a new worldwide used standard called CoaXPress, which enables faster data processing and improves the viewing experience for 3D TV broadcasting. The technology adds depth information to existing 2D HDTV images, reducing transmission bandwidth and providing more flexibility for image display.
A new UCLA study reveals that individuals with body dysmorphic disorder (BDD) exhibit abnormal brain activity when processing holistic visual elements, such as the overall shape of an object. This finding suggests that BDD patients have general abnormalities in visual processing, which may contribute to the development of the disorder.
Cardiac patients can now receive a reduced radiation dose during diagnostic perfusion imaging, thanks to new image-processing software. The study found that images produced with a half-dose protocol were of similar quality to those obtained with conventional protocols, while reducing the patient's exposure to radiation.
Digital forensic examiners experience moderate stress but high job satisfaction due to unclear standards and multiple ways of collecting evidence. Police officials should consider hiring more digital forensics experts or improving their work environment.
Researchers used two well-known optical illusions to study how the brain assesses relative size, revealing that environmental clues affect perception after three-dimensional image processing. The Ponzo illusion was found to hold true regardless of eye use or presentation order.
Researchers found that training improves subjective perception of stimuli, leading to conscious sight. The brain regions involved in learning effects differ from those for automatic stimulus processing, suggesting two distinct neural pathways.
A study by Hebrew University and French researchers reveals that the brain's Visual Word Form Area is co-opted for reading regardless of sensory input modality. Brain scans show identical activity patterns in blind and sighted readers, suggesting a task-oriented approach to reading.
Researchers found that the brain area responsible for reading is active in blind individuals who read Braille, challenging the idea of sensory specialization. The study suggests that the brain is a task-oriented system that can adapt to new tasks without prior experience.
A Tel Aviv University researcher has developed a 3D tool that generates anatomically accurate before-and-after images in cosmetic surgery, helping patients avoid unexpected results and surgeons achieve more favorable outcomes. The tool uses real clinical data and machine learning algorithms to predict deformations of non-rigid objects.
Researchers developed computer-assisted diagnosis tools to grade Follicular Lymphoma samples more accurately and efficiently. The tools use high-resolution images and machine learning algorithms to identify malignant regions and classify disease grades, promising faster and more accurate diagnoses.
Researchers developed a computer algorithm that analyzes viewing angle and illumination to generate a 3D view of a face from a 2D image. This technology can be used for identity management, information protection, and homeland security, reducing false identification.
This special issue explores the geological changes in the southern margin of Laurentia using Magnetotelluric Transportable Array data, discovering a Jurassic backarc basin in the Gulf of Mexico and revealing new insights into Monterey Submarine Canyon's axial channel. 3D petrography techniques also shed light on pumice clast size distr...
Research shows that damage to nerve supply controlling eye movement is a common problem after stroke, impacting reading abilities and rehabilitation. Stricter assessment methods are necessary to detect vision problems as stroke after-effects rather than age-related symptoms.
A University of Cincinnati assistant professor spent 11 months researching face-to-face casting interviews to explore how casting agents consider race, transformation, and selling an image. The study found that many agents are critical of the fashion industry's expectations around race and authenticity.
A University of Toronto study reveals that visual attention diminishes with age, leading to better memory for irrelevant information. Older adults are less capable of filtering out distracting information, which broadly influences cognitive deficits in normal aging.
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 found evidence of universal ubiquitous magnetic fields in deep space between galaxies with an average strength of femto-Gauss. These findings suggest that the magnetic fields may have formed shortly after the Big Bang, long before stars and galaxies formed.
Researchers will model complex neural systems to understand how humans see, then embed parallel transactions into silicon systems. A series of prototypes with breadboard hardware will be created every six months as understandings emerge.
Researchers found that stroke patients with severe motor impairments used alternative mental strategies to complete tasks, suggesting a more complex phenomenon than previously thought. The study suggests that motor imagery may be a key factor in creative problem-solving and innovation.
The United Nations' Food and Agriculture Organization has launched a new online fire detection system using NASA satellite data, providing daily fire maps and images. The system enables firefighters to respond more efficiently and reduces the risk of wildfires and associated pollutants.
Researchers at Max Planck have developed an new MRI method that significantly accelerates image acquisition time, allowing for 'live recordings' of moving joints and organs. This breakthrough enables direct monitoring of heart muscle pumping and blood flow, potentially improving diagnosis of conditions like coronary heart disease.
Colin B. Macdonald received the 2010 Richard C. DiPrima Prize for his work on the Closest Point Method, advancing biology, materials science, and computer graphics applications.
Scientists and engineers from NASA and NOAA worked together to recover the Solar X-Ray Imager instrument on GOES-15, which finally came online on June 3. The team conducted long-duration turn-on tests and successfully captured several test solar images after overcoming a challenging recovery process.
A study presented at the ARRS 2010 Annual Meeting found that adaptive image filters can significantly improve image quality while lowering patient radiation doses for chest and abdominal CT scans. The filters improved image clarity, reducing radiation doses by up to 40 mAs for chest scans and up to 100 mAs for abdominal scans.
Researchers at MIT have developed a new method to measure liquid-solid interaction with unprecedented precision, improving resolution by a factor of 10,000 or more. This allows for detailed studies of wetting on curved, textured, or complex surfaces.
A new study using MRI technology found that healthy women's brains activate an area processing identity and self-reflection when viewing images of overweight strangers. Even those with no history of eating disorders exhibit sub-clinical body image issues.
A novel research project combines art and neuroscience to explore the connections between visual perception and the brain. Researchers are discovering that artists have intuitive knowledge of neuroscience concepts, including optical illusions.
Research confirms that brain areas for noun and verb processing are distinct, with nouns primarily activating the left fusiform gyrus and verbs activating other regions like the left inferior frontal gyrus. The study used functional magnetic resonance imaging to show neural differences in learning new nouns and verbs.
Morgan McGuire and Dr. David Luebke developed a new method for computerized lighting and light sources that can improve video game graphics to film-like quality in faster time. The algorithm reverses the process of producing light effects, pulling it onto the world and pushing it into the image, resulting in a faster processing speed.
People with generalized anxiety disorder have abnormalities in brain emotion regulation, affecting response to negative stimuli. This study's findings may lead to more accurate diagnosis and effective treatment options.
Research reveals that individuals with body dysmorphic disorder exhibit abnormal brain activity when viewing images of themselves, suggesting difficulties in perceiving general facial information. This impairment contributes to distorted perceptions of one's appearance, supporting the need for further studies on the condition.
Scientists identified rapid bursts of neural activity in high-order visual centers when patients correctly recognized target images, suggesting a 'threshold' for conscious perceptual awareness. The study found that brain processing time is crucial for ignition, with mask presentation too soon 'killing' visual input signals.
Researchers create a synthesis technique that generates moving images of 3D objects, which are virtually impossible for computer algorithms to decode. This technology could lead to a better captcha system, highlighting the difference between human and robotic perception.
A new time-lapse movie shows the birth of massive stars in Orion's Great Nebula, revealing signs of rotating accretion disk and outflow streams. The data suggest magnetic fields may play a crucial role in star formation.
University of Miami engineer Mohamed Abdel-Mottaleb develops state-of-the-art systems for 3-D face and ear biometric identification, surpassing conventional shape matching methods in computational efficiency. His techniques achieve high recognition rates, including 100% accuracy when combining facial and ear data.
Researchers at Caltech have developed a robot called CYCLOPS that simulates the visual experience of blind individuals with implanted visual prostheses, refining design and enhancing its effectiveness. The robot's camera system processes images, allowing scientists to test various enhancements without relying on actual blind users.
Scholars at the University of Chicago and the West Semitic Research Project are analyzing hundreds of ancient Aramaic texts using advanced imaging techniques, revealing new knowledge about Imperial Aramaic dialects. The Persepolis Fortification Archive provides valuable insights into the development of this ancient language.
Researchers at Rensselaer Polytechnic Institute are developing next-generation radar systems that can overcome limitations in conventional radars. The new test bed will simulate systems comprised of hundreds of miniature sensors, enabling radars to be used in crowded cities and urban environments.
A study published in the journal Emotion found that people are more accurately attuned to detecting emotional value in negative subliminal images than positive ones. This suggests potential implications for advertising and public service announcements.