Articles tagged with Cameras
Researchers have developed a flat spray-on material that can act as a flat lens, allowing for arbitrary aperture sizes and potentially revolutionizing imaging devices. The technology has significant advancements in ultraviolet light imaging of biological specimens.
Researchers using NASA's HiRISE camera have identified almost 250 fresh impact craters on Mars each year, providing a more accurate measure of surface processes on the Red Planet. The cratering rate is estimated at an average of one per area roughly the size of Texas, offering insights into climate change and the planet's activity.
Researchers at Carnegie Mellon University have developed a system called WorldKit that enables users to create personalized touch-based interfaces with gestures. The system uses a ceiling-mounted camera and projector to record room geometries, sense hand gestures, and project images on desired surfaces.
A new device allows cellphone cameras to take images from fluorescent microscopes and flow cytometers, enabling areas with limited resources to conduct tests such as checking for contaminated water and monitoring HIV positive patients. The device is expected to be helpful in resource-poor countries and fast-paced clinical environments.
Researchers developed a high-speed camera system to photograph snowflakes in 3D as they fall, capturing their true complexity and size. The Multi-Angle Snowflake Camera collects vast amounts of data to improve weather forecasting models and simulate precipitation.
A recent study found that thermography of horses' legs is highly reproducible and less sensitive to camera position changes. However, gentle drafts can significantly affect temperature readings, rendering diagnoses unreliable. To achieve accurate results, veterinarians should perform thermography in draft-free surroundings.
The graduate student's research focuses on improving school security through architectural design, proposing solutions such as castle designs and Crime Prevention Through Environmental Design. The study highlights the importance of incorporating security features into school design without compromising aesthetics or budget constraints.
Researchers at UT Dallas have developed a new low-light imaging method that can significantly improve the accuracy of microscopic images. By minimizing camera noise and distortion, this method enables scientists to extract precise quantities from acquired images, such as object location, size, and orientation.
Scientists have created a new water-repellent coating that rapidly absorbs water molecules preventing freezing and allows larger droplets to form as flattened droplets. This coating could be used in various applications such as automobile windshields and camera lenses.
The Arizona State University Mars Education Program won the Science Prize for Inquiry-Based Instruction for its Mars Student Imaging Project, which lets middle-school students use a NASA spacecraft to take images of Mars and conduct real science research. Over 35,000 students have participated in the project since its launch in 2002.
Researchers are creating a multimedia system that uses multiple 3-D cameras to create avatars of humans in two different places, allowing them to interact. The system could enable physical therapists to work with patients remotely and receive real-time feedback on their exercises.
Three studies report on the use of wearable cameras to measure sedentary behavior, active travel, and nutrition-related behaviors. Findings suggest that wearable cameras provide a more accurate assessment than accelerometers in classifying sedentary behavior and can help identify under-reporting of calorie intake.
The famous Chamber A thermal vacuum testing chamber, upgraded to accommodate the James Webb Space Telescope, will undergo a 90-day test period. The test will confirm the telescope's performance in cold temperatures and include operating system tests.
An Arizona State University graduate student is building an infrared and visible light camera system for a nanosatellite. The camera will guide the satellite's trajectory during its flight in low-Earth orbit.
The new camera combines active and passive infrared imaging capability into a single chip, enabling lighter and simpler devices with lower power dissipation. The device uses novel semiconductor materials to detect thermal radiation in both short- and mid-wavelength infrared ranges.
A new model from Queen Mary University of London predicts human movements in invisible areas of large venues, enhancing security and evacuation efficiency. The research combines behavioural models with floor plans to track individuals in crowded spaces like airport terminals and shopping centers.
Researchers developed a system using depth-sensing cameras and algorithms to recognize hand gestures as commands for medical image manipulation. The system reduced false positives from 20.8% to 2.3% and achieved a mean accuracy of 93%, improving surgery efficiency and reducing infection risk.
A Type Ia supernova with a redshift of 1.71, dating back 10 billion years, has been detected using the Hubble Space Telescope's data by the Supernova Cosmology Project. This discovery provides valuable insights into the expansion history of the universe and the nature of dark energy.
Researchers have successfully photographed a male jaguar and an adult male ocelot using automated wildlife monitoring cameras in the Santa Rita Mountains. The images provide clear evidence that the big cats travel between Southern Arizona's mountain ranges, shedding light on their distribution and ecology.
A University of Delaware research team has developed a novel camera system to map the surface topography of Arctic sea ice, enabling accurate habitat classification for threatened walruses. The system uses areas of higher competence to interpolate lower-confidence areas, resulting in dense 3-D reconstructions with precision accuracy wi...
A new study by University of Warwick economists reveals that lobbyists' revenues fall by 24% when their former employer leaves government office, highlighting the significant value of personal connections in US politics. The research uses public directories to quantify the impact of these connections on lobbyist earnings.
Astronomers have discovered seven primitive galaxies from a distant population formed over 13 billion years ago. The observations reveal the earliest years of cosmic history and provide new insights into galaxy formation.
Researchers at UCSB's Four Eyes Lab have developed a new approach to augmented reality (AR) applications that uses real-time computer vision and crowdsourced user data to create more stable and realistic overlays. This technology, termed 'anywhere' AR, enables users to interact with virtual objects in their physical environment.
A new hyperspectral camera has captured the first-ever images of auroras, revealing a previously unknown atmospheric phenomenon. The camera's unprecedented capabilities have enabled scientists to study auroras in unprecedented clarity, revealing subtle changes in atmospheric behavior.
Researchers successfully streamed braille patterns directly into a blind patient's retina using the Argus II device. The patient accurately read four-letter words and showed excellent spatial resolution, demonstrating the potential for improved reading capabilities with future iterations of the implant.
Researchers have developed a new computer algorithm that analyzes thermal images of breasts to enhance breast cancer detection. The approach improved accuracy from 90% to 96% in tests on 28 patients, paving the way for future studies with larger patient groups.
The new system uses the Microsoft Kinect camera to track hand movements and detect unique traits, allowing for efficient recognition of individual users. Researchers tested the concept in two user studies, achieving accuracy rates of up to 98%, paving the way for applications such as virtual design studios and interactive appliances.
Researchers at the University of Manchester tested replicas of ancient Egyptian artificial toes, finding they may have been used as practical tools to help people walk. The tests showed that volunteers were able to achieve significant flexion with the prosthetic devices, indicating their potential use as early prosthetics.
A new method uses fusion of photographs taken from different angles to create reliable reproductions of paintings, eliminating the need for sophisticated illumination and acquisition requirements. The postproduction process is fully automated and can be done with a commercial hand-held camera.
The Lunar Reconnaissance Orbiter Camera Narrow Angle Camera is acquiring high-resolution stereo images of the Moon to create 3D topographic maps. These anaglyphs reveal lunar features like craters and volcanic flows in 3D, making detailed surface information accessible to the public.
DECam, the most powerful sky survey instrument built, relies on Berkeley Lab's red-sensitive astronomical CCDs for exceptional sensitivity and resolution. This collaboration has enabled scientists to collect images of distant galaxies and measure the expansion history of the universe with unprecedented precision.
Researchers developed a technique using ultrafast lasers and advanced optics to capture billions of images per second, enabling the reconstruction of 3D shapes hidden from sight. This technology may prove invaluable in disaster recovery situations and noninvasive biomedical imaging applications.
Researchers at Disney Research developed a markerless motion capture technique that captures 3D poses implicitly by estimating the underlying physics of motion. This method generates biped controllers, which can be applied to characters in new environments, enabling more realistic animations and interactions.
A new semiautonomous safety system, developed by MIT engineers, uses onboard cameras and laser rangefinders to identify hazards and detect safe zones. The system allows drivers to control the vehicle while avoiding obstacles, with few collisions reported in over 1,200 trials.
Researchers at Georgia Institute of Technology developed a muscle-like actuator that can control camera systems, allowing robots to move more like humans. The technology has potential applications in MRI-guided surgery and robotic rehabilitation.
Researchers at Brown University have developed a new system that allows surgeons to control their own views during laparoscopic surgery, leading to faster and more accurate performance. In a small in vitro trial, surgeons with individual views outperformed those with shared views, completing tasks up to 3 times faster.
Researchers at Duke University and the University of Arizona developed a gigapixel camera that captures unprecedented detail by synchronizing 98 tiny cameras. The camera's resolution is five times better than 20/20 human vision over a 120-degree horizontal field, with potential applications in surveillance, inspection, and photography.
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.
Astronomers using Herschel Space Observatory data show that massive black holes at galaxy centers influence star formation rates. Galaxies with powerful black holes form stars at a thousand times the rate of Milky Way, but fastest-growing black holes shut off star formation in surrounding galaxies.
Young people are at risk of severe skin damage from autumn UV levels, which can lead to cancer-causing skin aging and wrinkles. Researchers used a unique non-invasive UV camera to measure the relationship between lifetime sun exposure and skin cancer risk.
High-resolution photos of Martian lava flows reveal coiling spiral patterns that resemble snail or nautilus shells, a new form of lava flow discovered by Arizona State University graduate student Andrew Ryan. The discovery suggests possible interactions between lava flows and water floods in the Elysium volcanic province.
Researchers have developed a new approach using compressed sensing to resolve cellular features an order of magnitude smaller than before. This allows for the study of dynamic processes in live cells with seconds or even sub-second temporal resolution.
The new Hubble image reveals millions of young stars in the 30 Doradus star-forming complex, with some stars weighing over 100 times the mass of our sun. The nebula is home to the fastest rotating and highest velocity stars ever observed.
Scientists will launch five sounding rockets to study the high-altitude jet stream winds and their connection to electrical current patterns. The experiment aims to gain a better understanding of these fast winds and help model electromagnetic regions of space that can damage satellites and disrupt communications systems.
The discovery of the most distant galaxy cluster reveals that it is located 10.5 billion light-years away from our Milky Way galaxy and contains a dense concentration of 30 galaxies. This finding provides insights into the evolution of galaxy clusters and the formation of large urban centers in the universe's earliest moments.
A study found that geotagged photos of children on Flickr could be used to locate their homes, posing a significant risk to their safety and privacy. The researchers warn that parents should be cautious when posting personal photos online.
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.
A team of chemists at the University of Pennsylvania has developed a method to watch proteins fold in real-time, allowing for a better understanding of protein folding and misfolding. This technique uses infrared spectroscopy to analyze structural changes as a function of time, providing insights into protein folding mechanisms.
A study published in PLOS ONE shows that 2 megapixel camera phones can capture clear microscopy images for confirmation and analysis by specialists. This technology has the potential to improve medical diagnosis in remote areas, empowering undereducated healthcare workers.
The NIST SCUBA-2 camera is the world's largest submillimeter camera, containing over 10,000 superconducting sensors. It will enable faster and more accurate mapping of the sky, producing better images and sky maps.
The University of Arizona's Wild Cat Research and Conservation Center will monitor jaguar occurrence and movement in the US borderlands area over three years. The study aims to provide information on jaguar presence, which is critically needed for conservation purposes.
Researchers at the University of Michigan are developing insect 'cyborgs' that can power sensors and communications equipment, allowing them to monitor hazardous situations before human intervention. The devices harness kinetic energy from wing movements, enabling the insects to gather vital information in confined environments.
A Tel Aviv University-developed technology uses a hyperspectral camera to analyze the world we live in, detecting contaminants and environmental hazards in real time. The sensor can provide immediate, cost-effective, and accurate monitoring of forests, urban areas, agricultural lands, harbors, or marinas.
A recent study by researchers at USC and other universities found that substantive efforts to repair trust, such as apologies and commitments to reform, are critical in regaining trust. The study showed that nothing beats showing true contrition in winning back trust.
A new type of detector uses a CCD image sensor chip in an off-the-shelf X-ray camera to measure both particle energy and spatial location. The device successfully detects molecules containing carbon and hydrogen at energies above 1 MeV, opening up new avenues for complex molecule research
Researchers at Stanford University used remote wildlife cameras to confirm mountain lion activity in the preserve, with seasonal patterns and human-lion encounters explored. The study suggests that mountain lions are present about 24% of the time, posing a low risk to humans.
The ePetri system revolutionizes cell culture experiments with real-time imaging capabilities, reducing human labor time and improving accuracy. It simplifies medical diagnostic tests, drug screening, and basic research, offering a compact, lightweight microscope alternative.
A study by Concordia University and the University of Manitoba found that most boys aspire to have an average physique rather than an idealized, lean, or muscular body. The research suggests that boys are critical of unrealistic beauty standards and view sculpted bodies as unnatural.
Seasonal dark features on Martian slopes suggest the presence of salty water, which could indicate a habitable environment. The recurring flows may be formed by fluid seeping down slopes and have characteristics that fit better with briny water explanations.
A new study led by Johns Hopkins University psychologist Amy Shelton found that people with better social skills are more proficient in taking another person's perspective, including spatial ones. This ability is crucial for those on the autism spectrum and may be related to empathy and tolerance.