Articles

Improved Calibration Shows Images’ True Colors

Camera calibration techniques for monitoring propulsion tests are used to improve quality of satellite images. In satellite images, the true color of a body of water, or anything else they depict, is not precise. Radiometric calibration, which improves the color accuracy of an image and enables it to be used to solve remote sensing problems, has always been a costly endeavor. A cooperative effort between Stennis Space Center and Innovative Imaging and Research Corporation (I2R), a small business located on the center’s campus in southern Mississippi, is changing that.

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Editor's Choice: June 2015

A new technique verifies and identifies a person based on features drawn from electrocardiographic (ECG) leads. It can identify a person from a group of known subjects, or verify a person to allow access to a secure facility or access to Internet control of computers, airplanes, weapons, and alarms. It uses the ECG signals generated by the heart during contraction and relaxation that are characteristic to an individual. The method can be used by homeland security personnel and law enforcement, and in airports and other high-security locations. Find out more HERE.

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Robonaut 2 Wins 2014 Government Invention of the Year

Robonaut 2, NASA’s first humanoid robot in space, was selected as the NASA Government Invention of the Year for 2014. The NASA selection committee evaluated the robot in the following areas: aerospace significance, industry significance, humanitarian significance, technology readiness level, NASA use, industry use, and creativity.

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Meanwhile on the Space Station…

NASA astronaut Scott Kelly and Russian Cosmonaut Mikhail Kornienko have begun a one-year mission in space. The mission will help researchers better understand how the human body reacts and adapts to long-duration spaceflight. While on the ISS, Kelly’s identical twin brother, retired NASA astronaut Mark Kelly, will undergo comparative genetic studies. Differences, or lack thereof, between the Kelly brothers after Scott’s year in space and Mark’s year on Earth could shed new light on the effects of spaceflight on the human body.

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Researcher Spotlight: Imaging Software Improves Video Monitoring of Vital Signs

By detecting nearly imperceptible changes in skin color, emerging imaging technologies have been able to extract pulse rate, breathing rate, and other vital signs from a person facing a camera. The videography tools have struggled, however, to compensate for low light conditions, dark skin tones, and movement.

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High Dynamic Range Imaging (HDRI) Upgrades Inspection Results

HDRI features capture details when the environment, or the objects themselves, are both bright and dark. Designers and operators of automated inspection systems have long been challenged with completing accurate inspections when those tasks required high dynamic range, or when there was a need to capture critical details in objects or environments with high contrast between their brightest and darkest areas.

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Integrating Functional Pneumatic Safety Devices into Control Systems

Over the past several years, controls engineers have become adept at applying control systems to machine safety applications. The issue is that safety is a moving target. There are new and revised international standards to contend with. Furthermore, the supplier community is moving swiftly forward in developing solutions that render the old way of doing things obsolete.

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