Articles tagged with Photography
Researchers developed an algorithm to analyze and critique digital photographs' composition, providing feedback on perceived aesthetics. The system relies on psychological theories of human vision and opinions of people, helping photographers improve their work.
A new digital method developed by Dr. Giuseppe Montesanto allows for the creation of detailed and accurate scientific illustrations for taxonomy, making it easier and faster to describe new species. The method uses bitmap graphics with GIMP and produces realistic ink-made drawings.
Research finds women's faces increase in redness during ovulation, but levels are undetectable to the naked eye, challenging the idea that facial redness signals fertility; studies suggest other voluntary signals like make-up may have replaced involuntary ones
Researchers developed a novel method to measure injectable wrinkle reducer efficacy using 3D imaging. The technique, called speckle tracking photogrammetry, allows for objective evaluation of wrinkle reduction and optimal dosage. It has the potential to guide physician and consumer choice in individual cases.
Scientists Bevil Conway and his team found impressive individual differences in color perception, with people falling into three main camps. The survey also revealed that perception differed by age and sex, suggesting the influence of light on visual systems. These findings shed light on how different brains interpret colors.
The Disney Research algorithm corrects for parallax and image warping, eliminating ghosting and other distortions in video panoramas. It generates high-quality panoramic videos with resolutions up to 100 megapixels using unstructured camera arrays.
Scientists have developed a new high-speed camera, STAMP, that can record events at over 1-trillion-frames-per-second, capturing complex physical and biological processes. The camera operates by splitting a single light pulse into multiple colors, allowing for the creation of moving pictures of ultrafast phenomena.
A new archive of Malian photography has been created, providing valuable documentation of modernization in West Africa. The archive features original black-and-white negatives dating from the 1940s, offering a unique perspective on village-based lifestyles and cultural practices.
A study of wild baboons in southern Kenya reveals that the size of a female's swollen rump doesn't matter as much as previously thought. Females with bigger backsides don't necessarily make better mothers, and males actually prefer females with more postpartum cycles over larger derriers.
A new technique using fat grafting improves the cosmetic outcomes of breast augmentation, producing a more natural shape and softening the 'medial transition zone'. The study found that women who underwent this procedure had a narrower distance between their breasts and reported high satisfaction rates.
The study used infinitely short light pulses to observe ultrafast changes in superconductors, supporting the hypothesis that electron interactions are delayed and mediated by other electrons. The snap-shot observations took only 10 femtoseconds, a record-breaking achievement for material scientists.
Researchers developed a method to measure electron interactions in high-temperature copper oxide superconductors, finding that these interactions are mediated by the spin of electrons. This breakthrough allows for better understanding of the mechanism enabling superconductivity.
A team of researchers from Case Western Reserve University has discovered new features of the 'Whirlpool Galaxy', M51a, using a 20-hour exposure photograph. The image reveals faint plumes extending from the galaxy's northeast and south, providing valuable insights into its history and interaction with neighboring galaxies.
Astronauts on ISS captured stunning night image of Cyclone Bansi in January 2015, revealing brilliant lightning around its eye. The cyclone reached category 4 strength before weakening into an extra-tropical system.
Advanced 3D facial imaging may aid in early detection of autism. Researchers identified three distinct subgroups of children with autism who had similar measurement patterns in their facial features.
Researchers developed a low-cost focus stacking setup that produces better results than high-end solutions, ideal for mass digitization programs. The system uses consumer-grade products and is easy to control, allowing for high-quality macro photography at a fraction of the cost.
Scientists at Disney Research and Université Laval have developed a method to automatically estimate illumination conditions depicted in a collection of photographs. This enables the realistic insertion of 3D objects into images, simplifying photo editing tasks.
A new image processing technique developed by Disney Research Zurich enables video effects like detailed actor faces despite lighting changes. The local tone mapping method preserves rich visual detail while eliminating ghosting and camera noise.
A team of biomedical engineers developed a 2-D camera that can capture events up to 100 billion frames per second. This technology, called compressed ultrafast photography (CUP), enables the creation of high-speed movies of various phenomena, including laser pulse reflection and photon racing in two media.
Researchers map out 'safe entry zones' for brainstem surgery using fiber tract dissection techniques and 3D photography. The study provides unprecedented descriptions and images of the inner anatomy of the brainstem, helping neurosurgeons plan the best approach to microsurgical procedures.
Scientists at RIT and NASA are exploring a new type of space telescope using swarms of particles controlled by laser to form large-aperture lenses. This concept could lead to unprecedented resolution and detail in astrophysical imaging and remote sensing.
Researchers found that individuals with autism spectrum disorder (ASD) make mixed judgments when presented with neutral facial expressions in photographic images, unlike control group participants. However, the results remained consistent when synthetic images were used, suggesting that it's not the judgment process itself that differs.
A new method predicts AMD progression on a personalized basis by analyzing imaging data from routine retinal scans. The formula distinguishes likely from unlikely progressors by analyzing patient data collected by ophthalmologists and optometrists.
A study found that Google glasses created partial peripheral vision obstruction in participants, inducing scotomas and impairing daily functions. The authors suggest additional research is needed to understand the effects of these devices on visual function.
Researchers at NIST and MIT have developed two methods to measure the structure of block copolymers, essential for verifying computational models used in chip fabrication. These techniques can image defects in polymer structures and provide detailed data on patterning system performance.
Researchers successfully used an iPhone application to image the inside of the eye, including in pediatric and immobile patients. The iExaminer system is a portable, inexpensive tool for fundus photography and videography, offering potential for prompt telemedicine consultations with an ophthalmologist.
Researchers found that rock gobies can rapidly change their color and brightness to match their surroundings, making them expert camouflagers. This adaptation helps the fish avoid predators, particularly birds and larger fish that prey on them at low tide or high tide.
Researchers developed an automated imaging technique to measure and analyze the root systems of mature plants in field conditions. The system uses digital photography to provide detailed images of roots from thousands of plants, enabling scientists to evaluate crop improvement efforts.
Researchers developed AverageExplorer to tackle vast amounts of visual data, generating an image that represents key features of multiple photos. This tool enables users to quickly sort and analyze images by giving extra weight to specific features.
Researchers developed a technique to semi-automatically align 3-D models with photo geometry, estimating environmental illumination and appearance. This system enables realistic edits by fitting models into the photo's geometry and applying colors, textures, and lighting consistent with the image.
A new study by University of Chicago researchers found that eye patterns concentrate on a stranger's face if the viewer sees them as a potential partner in romantic love, but gaze at the body when feeling sexual desire. This automatic judgment occurs in half a second, producing distinct eye movement patterns.
Researchers at MIT have created a drone lighting system that automatically assumes the right positions for photographic lighting effects. The system uses an autonomous helicopter to produce rim lighting, adjusting in real-time to capture delicate edge effects.
Researchers from SISSA developed an efficient algorithm to categorize big data, grouping similar data points in clusters. The algorithm uses a heuristic approach to identify cluster centers, achieving optimal performance in recognizing individuals and eliminating outliers.
Richard Sylvester, a renowned expert in non-muscle invasive bladder cancer (NMIBC), received the 2014 Platinum Award from European Urology for his excellence in bladder cancer research. He continues to work on prognostic factors and predictive effects of age on NMIBC outcomes.
Researchers found that babies can learn about a toy from a photograph well before their first birthday. The study used high-quality images and showed that infants formed a mental idea of the object after a brief exposure to the picture, even when it was out of sight.
Researchers at the University of Washington have developed an automated approach to aging babies to adults using variable lighting, expressions and poses. The technique works remarkably well, even with unrestrained conditions, and is comparable to manually created renderings.
Researchers have applied innovative approaches to art analysis, including infrared imaging, thermography, and spectroscopy, to uncover the origins of paintings and detect forgeries. These non-destructive techniques have proven valuable in conserving priceless works of art.
Researchers at Saarland University have developed a method to arrange numerous pictures fast based on visual characteristics like size and intensity. Users can interactively click and drag images to create an order that creates a harmonious overall picture.
Research by the University of Minnesota and Georgia Tech found that male Pinterest users are more interested in photography, art, design, and home decor than sports, technology, and cars. In contrast, women tend to focus on traditional female categories such as food and drink, crafts, and fashion.
The UC Riverside lab, led by Professor Zhenbiao Yang, received an honorable mention for their short movie 'Visualizing Leaf Cells from Within' in the International Science & Engineering Visualization Challenge. The challenge, sponsored by NSF and Science magazine, selected the top winners from 227 submissions across 12 countries.
A study published in PLOS ONE found that observers could detect changes in a person's appearance even when they couldn't visually identify the change. The researchers showed that this ability was not due to extrasensory perception or a sixth sense.
New research by Dr Rob Jenkins and Christie Kerr uses high-resolution passport-style photographs to recover faces of bystanders from reflections in the eyes of photographic subjects. The recovered images can be identified accurately, even at low resolution, highlighting human face recognition's robustness.
Tropical Cyclone Bruce's eye showed distinct features on December 21, but became cloud-filled two days later. The cyclone weakened rapidly due to wind shear and was expected to turn extra-tropical by December 25.
Researchers used high-speed photography to study how ultrasound-stimulated microbubbles dissolve killer blood clots. The team found that the bubbles deform the clots' boundaries before burrowing into them, creating fluid-filled tunnels that break up the clots from the inside out.
The new camera uses an encoding technique to calculate distance, outperforming existing devices in conditions like rain or fog. It can be used in medical imaging, collision-avoidance detectors, and interactive gaming.
Researchers have discovered a 520-million-year-old fossilized nervous system in an extinct marine arthropod, revealing a spider-like brain structure. The ancient creature, Alalcomenaeus, had a central nervous system similar to that of horseshoe crabs and scorpions, linking its ancestors to the modern chelicerates.
Researchers from Harvard and MIT found that data visualizations with recognizable images, such as photographs and logos, and unusual types of charts like tree diagrams and network diagrams, are more memorable. This challenges the conventional wisdom that traditional charts are more effective.
Researchers have developed a method to accurately measure heart and respiration rates remotely, without physical contact, using a simple video camera paired with complex algorithms. The approach has been tested on humans, mice, pigs, and zebrafish, with high accuracy and reliability.
Research reveals Einstein's corpus callosum had more extensive connections compared to younger and older control groups, indicating potential contributions to his intelligence.
Researchers develop an algorithm for image stitching that minimizes seam artifacts by smoothing the transition between images, producing visually appealing results. The approach is based on minimizing an energy function and can be used for both two-dimensional and future three-dimensional image stitching applications.
Researchers develop a technique using smartphones to capture high-quality fundus images, aiding in the diagnosis of eye diseases. The method uses inexpensive apps and readily available instruments, making it accessible for smaller practices and third-world countries.
Researchers at the University of Pittsburgh have developed a new computational tool for the eButton health monitor, which can now extract food from images and estimate portion sizes with an average error of only 3.69%. The device uses a geometric-shape library to remove background images and measure volume by projecting and fitting sel...
Scientists have developed a new method to measure the height of Northern Lights using digital SLR cameras, with results published in Annales Geophysicae. The technique uses parallax to calculate the distance to the aurora and has been successfully tested in Alaska.
A new study revolutionizes species identification in taxonomy by introducing a modern revision of millipedes using innovative illustration techniques. The 'revolving SEM images' technology allows for a more detailed understanding of complex morphological features, enabling taxonomists to recognize subtle differences between species.
Researchers developed a digital streak camera that can capture full-color images of projectiles traveling at speeds of up to 3350 m/s. The camera uses a precisely controlled mirror to freeze the image on the sensor, capturing high-quality images with minimal distortion.
Researchers at Harvard University develop a method for creating 3D images from two stationary frames, enabling amateur photographers and microscopists to capture stereo-like effects. This technique uses light-field moment imaging to infer the angle of light at each pixel, allowing for the creation of brand-new images as if the camera h...
The study highlights how digital macro photography and photo sharing websites are democratizing the study of biodiversity, allowing for more efficient identification and conservation efforts. The platform provides valuable metadata, such as date and location, which contribute to insect biology, taxonomy, and species conservation.
The Disney Research, Zürich team developed an algorithm that can effectively leverage large amounts of data to build 3D models of complex scenes. This method allows for precise depth estimates at the edges of objects, producing accurate silhouettes and enabling efficient processing with standard graphics processing units.
A team of Penn State researchers developed a process using three inexpensive computer programs to grade fingerprints for ridge detail evaluation. The system ensures standardized evaluation finer than human capabilities, improving the reliability of fingerprint matches.
A new molybdenum-based image sensor has been developed, featuring a single pixel that requires only 1/5th the light energy of current silicon-based sensors. This breakthrough enables high sensitivity in low-light conditions, opening up new possibilities for astrophotography and biological imaging.