Articles tagged with Image Processing
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.
Researchers found that scientists combine model-based cognitive problem-solving with creativity to develop a better understanding of the system under investigation. This approach allows scientists to build real-world models and make predictions, leading to novel problem solutions.
A new computer algorithm at the University of Washington reconstructs an entire city, including landmarks like the Colosseum and St. Peter's Basilica, from 150,000 tourist photos in about a day. The tool uses a faster code that works over 100 times faster than previous versions, making it possible to tackle more ambitious projects.
Researchers from Oregon State University create the most complete seismic image of the Earth's crust and upper mantle beneath the Himalayas. The study reveals unusual geologic features that help explain how the region has evolved and advances research on various fronts, including strain accumulation prior to large earthquakes.
The Stanford camera, also known as Frankencamera, is an open-source digital camera that will give programmers the chance to create software that teaches cameras new tricks. With the camera's operating software made available publicly, users can continuously improve it, adding their own algorithms to process raw images in innovative ways.
Research shows that the brain uses the same neural networks to process both familiar and newly learned words, with no clear differences in function. New definitions are learned even faster than new names, indicating a possible link between meaning retention and brain activation patterns.
Research found that brain processes living and non-living objects in different areas, regardless of visual experience. The brain categorizes objects based on their functional importance, such as edibility or spatial awareness.
By studying how flies process visual signals in their tiny brains, researchers hope to develop robots that can interpret camera pictures and react accordingly. This is crucial for creating safe human-robot interactions and efficient robotic systems.
Researchers develop modified recurrent Hopfield neural network to quickly process images, reducing distortion, noise and blurring. The approach shows significant improvement in image quality by 39-67% and takes half the time of other methods.
Rhesus monkeys demonstrate configural face perception, recognizing friends from foes based on facial feature layout. This ability has been conserved through primate cognitive evolution for 30 million years.
Researchers at Georgia Tech are creating programming tools to enable defense engineers to leverage the processing power of GPUs without requiring specialized knowledge. This development aims to address computational bottlenecks in complex radar and sensor systems.
A University of Toronto study shows that people in good moods see more information, while those in bad moods experience tunnel vision. This suggests that our mood affects the way we process visual information.
The Deutsche Forschungsgemeinschaft (DFG) is establishing 14 new Research Training Groups to promote young researchers in Germany. These groups will focus on innovative areas such as fluorine chemistry, institutional transition in East Asia, and frequency effects in linguistics. The funding recipients will work closely with foreign uni...
Researchers constructed a nearly complete globe of Mercury using high-resolution and multispectral images, revealing its composition and origin. The study suggests that Mercury's crust formed in repeated volcanic eruptions, unlike the Moon.
Patients with schizophrenia can correctly identify a 'hollow mask' illusion, which may be related to their brains disconnecting visual information from internal thoughts. The study also found that cannabis users are less deceived by the illusion, suggesting a possible link between THC and brain connectivity.
THESEUS aims to develop an internet-based knowledge infrastructure using semantic technologies that can identify content meaning and classify it. This will enable computers to understand context and draw logical conclusions about data.
Researchers found that digital images can effectively characterize canopy coverage and light interception in tomato crops using free software and commercial cameras. The study demonstrated practical advantages over traditional methods, including the ability to measure at any time of day and without bright sunlight.
A Duke University research team observed a naïve brain organizing itself to interpret images of motion for the first time. The study revealed that individual neurons develop specific responses and become organized into functional assemblies called cortical columns.
Researchers at Caltech used electron tomography to study the transport of antibodies from mother's milk to newborns' bloodstream. The findings revealed that antibodies are shuttled through large vesicles and form 'tangled messes' before being delivered into the bloodstream.
Dinosaurs survived two mass extinctions before evolving into diverse species, taking up to 50 million years to dominate ecosystems. The research challenges the traditional view of rapid expansion and diversification.
The new technology characterizes particle shapes using a probe that collects images of the crystallization process, enabling pharmaceutical companies to monitor and optimize processes. This approach has the potential to revolutionize the pharmaceutical manufacturing sector by achieving 'Six Sigma' quality standards.
A new study published in PLOS ONE reveals that emotional information plays a crucial role in face recognition for individuals with developmental prosopagnosia. The research found that facial expressions and bodies can be used to design more effective assessment and training programs.
A new study suggests that global warming may lead to fewer hurricanes forming, but those that do could intensify. The research uses more accurate computer models to simulate hurricane formation and finds that warmer ocean temperatures suppress formation rather than encouraging it.
Researchers at Lawrence Livermore National Laboratory have developed a new imaging technique that allows for the capture of ultra-fast dynamics of solid materials at the nanoscale. This breakthrough enables the study of previously inaccessible phenomena such as fracture, shock formation and phase growth.
Researchers produce 'quantum images' pairs of information-rich patterns whose features are entangled by quantum physics, offering improved detection and amplification of light beams. The technique may also enable storing data in quantum computers and transmitting encrypted information.
The University of Miami's CSTARS will host a library of high-quality images collected via spaceborne C-Band Synthetic Aperture Radar (SAR) to aid in understanding hurricane and typhoon dynamics. The database will provide approved scientists with free access to imagery that can help shape storm models and resource distribution.
Researchers at UC Berkeley developed a system that uses cell phones for medical imaging, reducing costs and increasing accessibility. The system consists of a data acquisition device connected to a central server where the image is processed, making it possible to view images on a cell phone screen.
Researchers develop a system that transmits unprocessed medical images via cellular phones, enabling sophisticated radiological diagnoses and treatment in remote areas. The technology uses electrical impedance tomography and reduces costs by simplifying the apparatus at patient sites.
Men and women mistakenly identify friendly images as sexually interested, with men misjudging 12% and women 8.7%, according to a study by Indiana University researchers. The findings support the theory that young men struggle to interpret non-verbal cues, leading to incorrect assumptions about others' intentions.
Researchers reconstructed neural network in Drosophila's medulla, identifying full complement of neurons involved in color vision processing. The study provides a paradigm for understanding how color vision is processed in more complex systems, such as vertebrates.
Researchers found that consumers associate animal logos more strongly with themselves than traditional product-related logos. This association enhances brand evaluation and recognition. The study's findings challenge conventional branding wisdom, suggesting unique visual identifiers can be effective in marketing.
Researchers at the University of Texas Health Science Center at Houston conducted the first empirical study on how populations of nerve cells in visual cortex adapt to changing images. The study's findings could lead to improved visual function following trauma or stroke.
Researchers found that new imaging techniques like NBI and AAC improved image quality, but did not lead to better diagnosis or agreement among endoscopists. The study suggests that these techniques may offer limited clinical relevance in diagnosing esophageal abnormalities.
A study published in Psychological Science found that our grasp reflects the real size of objects, not their apparent size, even when they appear distorted through optical illusions. This supports the two visual systems hypothesis, which suggests that our brain has two separate systems for processing images and controlling actions.
Researchers found that face recognition is more difficult when target faces are surrounded by upright faces, indicating that images of upright faces interfere with each other. The study's findings have implications for individuals with face-recognition disorders and may inform the development of efficient artificial visual systems.
Scientists at NIST made direct measurements of thin polymer film expansion and collapse in photolithography, revealing a complex chemistry that affects transistor performance. The findings offer new insights into modifying resist chemistry to control swelling and achieve optimal edge resolution.
People with BDD perceive themselves as ugly and disfigured, despite normal brains. Functional imaging reveals abnormal brain processing of visual details, with the left side activated more often than in controls.
A Purdue University research team captured an image of the protein gate complex that allows materials to enter cells, providing insights into disease mechanisms. The discovery may lead to more effective treatments for diseases like cancer and cystic fibrosis by inhibiting or activating this mechanism.
Researchers developed Interferometric Synthetic Aperture Microscopy, a novel technique that produces crisp three-dimensional images from out-of-focus data. This method can perform high-speed, micron-scale imaging without time-consuming processing or sectioning of tissue.
Researchers at the University of Minnesota discovered that erotic images can trigger unconscious brain responses in individuals based on their gender and sexual orientation. The study found that even when subjects were unaware of the images, they shifted their visual attention accordingly. The results suggest that the brain processes v...
Researchers used functional magnetic resonance imaging to study brain activity during sensory processing and introspection. They found that sensory processing activated the sensory cortex, while introspection activated the prefrontal cortex, which was silenced during intense sensory engagement.
Researchers used fMRI to show that a brain region called the intraparietal sulcus is activated when both four-year-olds and adults perceive numerical quantities. The study suggests that basic math skills are laid down early in development and continue to process mathematical information into adulthood.
The Howard Hughes Medical Institute (HHMI) is providing $10 million in grants to 12 US universities to develop innovative graduate education programs. The programs aim to produce scientists with knowledge and skills to conduct research at the intersection of biomedical, physical, and computational sciences.
A study published in PLoS Medicine found that people with Alzheimer's disease have difficulty suppressing irrelevant brain activity, which can lead to cognitive impairments. This defective focusing process is characterized by reduced cross-modal inhibition, where auditory and visual processing areas are not properly deactivated.