Imaging

Access our comprehensive library of technical briefs on imaging, from engineering experts at NASA and major government, university, and commercial laboratories.

Briefs : Materials
Magnetic Metamaterial Amplifies MRI
Magnetic Metamaterial Amplifies MRI

Magnetic resonance imaging (MRI) uses magnetic fields and radio waves to create images of organs and tissues in the human body, helping doctors diagnose potential problems or diseases. Doctors use MRI to...

Magnetic Metamaterial Amplifies MRI
Briefs : Materials
Simultaneous Imaging and Friction Measurement with an In-Situ Tribometer
Simultaneous Imaging and Friction Measurement with an In-Situ Tribometer

Different instruments are needed to study the interaction of contact surfaces at different length scales. Tribometers measure the coefficient of friction but they...

Simultaneous Imaging and Friction Measurement with an In-Situ Tribometer
Briefs : Communications
Multi- and Wide-Band Single-Feed Patch Antenna

A novel patch antenna technology was developed that provides significant benefits to NASA satellite communication applications, offering a unique wide-band/multi-band operating capability. For other non-space applications, the antenna design also offers broadband capability with high gain for...

Briefs : Communications
Antenna Near-Field Probe Station Scanner

Antenna characterization techniques are often expensive and time-consuming. NASA’s Glenn Research Center developed a highly versatile and automated system to perform characterization of single or multiple small circuit antennas, printed on-wafer or on other substrates, by measuring the antenna’s...

Briefs : Imaging
3D-Printed Polymer-Based Foam Structure Responds to Shock Waves
3D-Printed Polymer-Based Foam Structure Responds to Shock Waves

A 3D-printed polymer-based foam structure was developed that responds to the force of a shock wave to act as a oneway switch, a long sought-after goal in shock research. The...

3D-Printed Polymer-Based Foam Structure Responds to Shock Waves
Briefs : Communications
Laser-Pointing System Transmits Data from Tiny Satellites
Laser-Pointing System Transmits Data from Tiny Satellites

Since 1998, almost 2,000 shoebox-sized satellites known as CubeSats have been launched into space. Due to their small frame and the fact that they can be made from off-the-shelf...

Laser-Pointing System Transmits Data from Tiny Satellites
Briefs : Photonics/Optics
New Imaging Method Aids in Water Decontamination
New Imaging Method Aids in Water Decontamination

A breakthrough imaging technique developed by Cornell researchers shows promise in decontaminating water by yielding surprising and important information about catalyst particles that can't be...

New Imaging Method Aids in Water Decontamination
Briefs : Sensors/Data Acquisition
Decoding Multiple Frames from a Single, Scattered Exposure
Decoding Multiple Frames from a Single, Scattered Exposure

When light gets scattered as it passes through a translucent material, the emerging pattern of “speckle” looks as random as static on a television screen with no signal. But it...

Decoding Multiple Frames from a Single, Scattered Exposure
Briefs : Robotics, Automation & Control
System Provides “Electric Eyesight” for Autonomous Vehicles
System Provides “Electric Eyesight” for Autonomous Vehicles

Autonomous vehicles relying on light-based image sensors often struggle to see through blinding conditions such as fog. Sub-terahertz wavelengths, which are between microwave...

System Provides “Electric Eyesight” for Autonomous Vehicles
Briefs : Imaging
Technique Makes Objects Invisible to Image Detection Systems
Technique Makes Objects Invisible to Image Detection Systems

Adversarial techniques were developed that can make objects “invisible” to image detection systems that use deep-learning algorithms. These techniques can also trick systems...

Technique Makes Objects Invisible to Image Detection Systems
Briefs : Imaging
Automated Object Detection in an Image

Recent developments in machine vision have demonstrated remarkable improvements in the ability of computers to properly identify objects in a viewing field. Most of these advances rely on color-texture analyses that require target objects to possess one or more highly distinctive, local features that can be...

Briefs : Test & Measurement
Microfocus, Dual-Energy Imaging System Improves Contaminant Detection

Contamination of food with fragments of bone, metal, glass, or other foreign material is a major concern in the food industry. Current inspection technologies often miss very small fragments embedded in meat or other soft materials or lead to ambiguous results that require...

Briefs : Imaging
Full-Color Holograms Can Be Viewed With Low Light
Full-Color Holograms Can Be Viewed With Low Light

Researchers have created inexpensive, full-color, 2D and 3D holograms that are more realistic and brighter, and can be viewed at wider angles than current holograms.

Full-Color Holograms Can Be Viewed With Low Light
Briefs : Photonics/Optics
Visualizing Motion of Water Molecules for Liquid-Based Electronics

A high-resolution inelastic x-ray scattering technique was used to measure the strong bond involving a hydrogen atom sandwiched between two oxygen atoms. This hydrogen bond is a quantum-mechanical phenomenon responsible for various properties of water, including viscosity, that...

Briefs : Connectivity
Efficient Hexagonally Sampled Image Processing
Efficient Hexagonally Sampled Image Processing

It has been known since the early 1960s that hexagonal sampling is the optimal sampling approach for isotropically band-limited images, providing a 13.4% improvement in sampling efficiency over...

Efficient Hexagonally Sampled Image Processing
Briefs : Imaging
Method Adjusts Structure of Dyes to Create Colorful Fluorescent Molecules
Method Adjusts Structure of Dyes to Create Colorful Fluorescent Molecules

Until about 20 years ago, scientists relied on chemical fluorescent dyes to make biological molecules visible. To look inside cells, stain organelles, and perform...

Method Adjusts Structure of Dyes to Create Colorful Fluorescent Molecules
Briefs : Imaging
Surgeons Use Augmented Reality to Reconnect Blood Vessels
Surgeons Use Augmented Reality to Reconnect Blood Vessels

Following severe trauma, patients may have tissue damage or open wounds that require reconstructive surgery using fasciocutaneous flaps. These flaps of tissue, which are taken from...

Surgeons Use Augmented Reality to Reconnect Blood Vessels
Briefs : Lighting
Double-Sided Si(Ge)/Sapphire/III-Nitride Hybrid Structures
Double-Sided Si(Ge)/Sapphire/III-Nitride Hybrid Structures

NASA Langley Research Center has developed a double-sided Si(Ge)/ Sapphire/III-Nitride hybrid structure. This technology uses both sides of a sapphire wafer to build device...

Double-Sided Si(Ge)/Sapphire/III-Nitride Hybrid Structures
Briefs : Imaging
More Sensitive Measurement of Semiconductor Material Quality
More Sensitive Measurement of Semiconductor Material Quality

Accurately measuring semiconductor properties of materials in small volumes helps engineers determine the range of applications for which these materials may be suitable in the...

More Sensitive Measurement of Semiconductor Material Quality
Briefs : AR/AI
Face-Tracking Robot
Face-Tracking Robot

A robot is being developed that tracks facial movements to perform human tasks. The robot resembles large, squiggly arms holding tiny cameras. Sitting in a rolling office chair across from one of the arms, the robot's...

Face-Tracking Robot
Briefs : Electronics & Computers
Breakthrough Could Enable Infrared Cameras for Electronics, Self-Driving Cars
Breakthrough Could Enable Infrared Cameras for Electronics, Self-Driving Cars

There's an entire world our eyes miss, hidden in the ranges of light wavelengths that human eyes can't see. But infrared cameras can pick up this light emitted as...

Breakthrough Could Enable Infrared Cameras for Electronics, Self-Driving Cars
Briefs : Data Acquisition
Bringing Human-Like Reasoning to Driverless Car Navigation
Bringing Human-Like Reasoning to Driverless Car Navigation

With the aim of bringing more human-like reasoning to autonomous vehicles, MIT researchers have created a system that uses only simple maps and visual data to enable driverless cars...

Bringing Human-Like Reasoning to Driverless Car Navigation
Briefs : Imaging
Revolutionary Camera Allows Scientists to Predict Evolution of Ancient Stars
Revolutionary Camera Allows Scientists to Predict Evolution of Ancient Stars

Scientists at the University of Sheffield have been working with HiPERCAM, a high-speed, multicolor camera, which is capable of taking more than 1,000 images per...

Revolutionary Camera Allows Scientists to Predict Evolution of Ancient Stars
Briefs : Lighting
3D Printing of Flexible Circuits

A process was developed for 3D printing that can be used to produce transparent and mechanically flexible electronic circuits. The electronics consist of a mesh of silver nanowires that can be printed in suspension and embedded in various flexible and transparent plastics (polymers). This technology can enable...

Briefs : Test & Measurement
Graphene Lid Extends Photoemission Electron Microscopy to Liquids
Graphene Lid Extends Photoemission Electron Microscopy to Liquids

By capping liquids with graphene (an ultrathin sheet of pure carbon), researchers can easily image and analyze liquid interfaces and the surface of nanometer-scale objects...

Graphene Lid Extends Photoemission Electron Microscopy to Liquids
Briefs : Manufacturing & Prototyping
Model Gives Robots a Better Feel for Object Manipulation
Model Gives Robots a Better Feel for Object Manipulation

A new learning system improves a robot’s ability to mold materials into target shapes and make predictions about interacting with solid objects and liquids. The system, known as a...

Model Gives Robots a Better Feel for Object Manipulation
Briefs : Materials
Graphene-Based Technology for Wearable Health Monitoring
Graphene-Based Technology for Wearable Health Monitoring

Graphene Flagship partner ICFO, based in Barcelona, Spain is developing graphene-based prototypes that aim to turn mobile phones into life saving devices. The first of these will allow...

Graphene-Based Technology for Wearable Health Monitoring
Briefs : Sensors/Data Acquisition
Ingestible, Expanding Pill Monitors the Stomach for Up to a Month
Ingestible, Expanding Pill Monitors the Stomach for Up to a Month

An ingestible pill was developed that, upon reaching the stomach, quickly swells to the size of a soft, squishy ping-pong ball big enough to stay in the stomach for an...

Ingestible, Expanding Pill Monitors the Stomach for Up to a Month
Briefs : Electronics & Computers
Design Software Identifies a Product's Performance Tradeoffs

Designing any product — from complex car parts to wrenches — is a balancing act with conflicting performance tradeoffs. Making something lightweight, for instance, may compromise its durability.

Briefs : Test & Measurement
Non-Destructive Evaluation (NDE) of Structures Using Transient and Lock-in Thermography
Non-Destructive Evaluation (NDE) of Structures Using Transient and Lock-in Thermography

Researchers at NASA’s Johnson Space Center improved their Flash Thermography capabilities by incorporating transient and lock-in thermography. By...

Non-Destructive Evaluation (NDE) of Structures Using Transient and Lock-in Thermography
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