Imaging

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

Briefs : Sensors/Data Acquisition
Compact Science Experiment Module
Compact Science Experiment Module

Crew time on the International Space Station (ISS) is extremely limited for any operations on science payloads. Autonomous science experiments in small, self-contained, cubical payloads are highly desirable...

Compact Science Experiment Module
Briefs : Test & Measurement
Piezomagnetic Material Changes Magnetic Properties When Stretched
Piezomagnetic Material Changes Magnetic Properties When Stretched

Piezoelectric materials, which generate an electric current when compressed or stretched, are familiar and widely used; for example, lighters that spark when a switch is...

Piezomagnetic Material Changes Magnetic Properties When Stretched
Briefs : Medical
Technique Enables 3D Printing of Microstructures
Technique Enables 3D Printing of Microstructures

Two-photon lithography (TPL), a high-resolution 3D printing technique, is capable of producing nanoscale features smaller than 1/100 the width of a human hair. The technique could enable X-ray...

Technique Enables 3D Printing of Microstructures
Briefs : Sensors/Data Acquisition
Flight Awareness Collaboration Tool (FACT)
Flight Awareness Collaboration Tool (FACT)

Winter weather such as snow, freezing precipitation, and ice can impact airport surface operations. These conditions may result in significant disruptions in arrival and departure rates. To address...

Flight Awareness Collaboration Tool (FACT)
Briefs : Electronics & Computers
A Fast, Non-Destructive Test for Two-Dimensional Materials
A Fast, Non-Destructive Test for Two-Dimensional Materials

Thinning a material down to a single-atom thickness can dramatically change that material’s physical properties. Graphene, the best known two-dimensional (2D) material, has...

A Fast, Non-Destructive Test for Two-Dimensional Materials
Briefs : Electronics & Computers
Technique Measures Temperature of 2D Materials at the Atomic Level

Newly developed two-dimensional (2D) materials such as graphene — which consists of a single layer of carbon atoms — have the potential to replace traditional microprocessing chips based on silicon, which have reached the limit of how small they can get. But engineers have...

Briefs : Imaging
Polymer-Based 2D-to-3D Transformable Surfaces

Technologies using stretchable materials are increasingly important. Yet, in general, it is not possible to control how they stretch with much more sophistication than inflating balloons. A method was developed that allows the calculated transformation of 2D stretchable surfaces into targeted 3D...

Briefs : Data Acquisition
Safe2Ditch Technology
Safe2Ditch Technology

Highly capable small Unmanned Aerial Vehicles (UAVs) provide substantial business opportunity, especially if allowed to operate in the suburban market. Reliability issues force the use of a safety pilot for each vehicle...

Safe2Ditch Technology
Briefs : Software
Algorithms Analyze Images from Minimal Data

Smartphones and sensors have produced a treasure trove of pictures, many tagged with pertinent information identifying content. Using this vast database of cross-referenced images, convolutional neural networks and other machine learning methods have revolutionized the ability to quickly identify...

Briefs : Imaging
Method and Associated Apparatus for Capturing, Servicing, and De-Orbiting Earth Satellites Using Robotics

Engineers at Goddard Space Flight Center have overcome limitations plaguing the satellite sector since its inception through the development of a robotic system allowing for the autonomous capture and servicing of in-orbit satellites. By...

Briefs : Aerospace
Non-Catalytic Ignition System for High-Performance Advanced Monopropellant Thrusters

Anon-catalytic pyrotechnic ignition system was developed for advanced green monopropellant systems operating with hydroxylammonium nitrate (HAN)-based monopropellant AF-M315E. This technology will provide increased performance and new operating regimes for...

Briefs : Photonics/Optics
New Depth Sensors Could be Sensitive Enough for Self-Driving Cars
New Depth Sensors Could be Sensitive Enough for Self-Driving Cars

A new approach to time-of-flight imaging that increases its depth resolution 1,000-fold has been presented by the MIT Camera Culture group. That type of resolution could make...

New Depth Sensors Could be Sensitive Enough for Self-Driving Cars
Briefs : Imaging
Access System Senses Finger Vibrations to Verify Users
Access System Senses Finger Vibrations to Verify Users

The market for smart security access systems is expected to grow rapidly, reaching nearly $10 billion by 2022. Today's smart security access systems mainly rely on traditional techniques...

Access System Senses Finger Vibrations to Verify Users
Briefs : Transportation
Gimbal for Steering Propelled CubeSats
Gimbal for Steering Propelled CubeSats

NASA is preparing for the next generation of CubeSats that are propelled and will make directional maneuvers. The new gimbal mount provides a seat for the motor, and controls the position of the...

Gimbal for Steering Propelled CubeSats
Briefs : Materials
LLNL Finds Reason Behind Defects in 3D Printing
LLNL Finds Reason Behind Defects in 3D Printing

High-speed images of a common laser-based metal 3D printing process, coupled with newly updated computer models, have revealed the mechanisms behind material redistribution, a phenomenon that...

LLNL Finds Reason Behind Defects in 3D Printing
Briefs : Photonics/Optics
Scientists Discover New Way to Label Chemical Compounds for Medical Imaging
Scientists Discover New Way to Label Chemical Compounds for Medical Imaging

Researchers have found a versatile workaround to create chemical compounds that could prove useful for medical imaging and drug development. While studying chemical...

Scientists Discover New Way to Label Chemical Compounds for Medical Imaging
Briefs : Test & Measurement
Searching for the Failure Mechanisms in Lithium-Sulfur Batteries
Searching for the Failure Mechanisms in Lithium-Sulfur Batteries

It's difficult to see the details of atomic and topographical changes that lead to battery failure. However a team of researchers developed a method to see reactions leading to...

Searching for the Failure Mechanisms in Lithium-Sulfur Batteries
Briefs : Manufacturing & Prototyping
Additive Manufacturing Unique Serialization

Current methods of identifying a unique part involve adding a unique serial number to the part. There are many reasons that manufactured parts receive a serial number. They enable traceability of a part throughout its lifecycle, and ensure the part is not a counterfeit; however, labels and stamped...

Briefs : Imaging
MorphoHawk Mathematic Morphology Software for Image and Data Analysis

Computers and automated systems have accelerated productivity and improved quality and reliability for nearly everything, and are destined to take on increasing roles as time moves on. One major limiting factor for automated systems is their inability to categorize and...

Briefs : Imaging
Depth Sensors for Time-of-Flight Imaging
Depth Sensors for Time-of-Flight Imaging

Time of flight is an approach that gauges distance by measuring the time it takes light projected into a scene to bounce back to a sensor. In time-of-flight imaging, a short burst of light is fired...

Depth Sensors for Time-of-Flight Imaging
Briefs : Aerospace
New Optics See More with Less

NASA's Marshall Space Flight Center has developed a technology that combines a panoramic refracting optic (PRO) lens with a unique detection system to acquire a true 360-degree field of view. Although current imaging systems can acquire panoramic images, they must use up to five cameras to obtain the full field of...

Briefs : Imaging
Stereoscopic Imaging in Hypersonic Boundary Layers Using Planar Laser-Induced Fluorescence

Stereoscopic time-resolved visualization of three-dimensional structures in a hypersonic flow was performed for the first time in NASA Langley Research Center’s 31-inch Mach 10 Air Tunnel. Nitric oxide (NO) was seeded into hypersonic boundary layer flows...

Briefs : Imaging
Color-Changing Surface Tunable Through Electrical Voltage

Video screens are made up of hundreds of thousands of pixels that display different colors to form the images. With current technology, each of these pixels contains three subpixels — one red, one green, and one blue. A new method was developed to tune the color of the subpixels. The...

Briefs : Imaging
Improved 3D Imaging Using Optical Coherence Tomography (OCT)
Improved 3D Imaging Using Optical Coherence Tomography (OCT)

Optical coherence tomography (OCT) is a high-resolution live imaging technique that can be used for early detection of retinal diseases such as age-related macular degeneration,...

Improved 3D Imaging Using Optical Coherence Tomography (OCT)
Briefs : Imaging
Dual-Field-of-View Multiband Optics

Multi-spectral-band systems are steadily emerging as a desired feature in a camera system. Each spectral band offers different image characteristics. Shorter-wavelength spectral bands provide the potential for better resolution due to the smaller impact of diffraction on the size of the optics blur. This means...

Briefs : Imaging
Optical Ultrasound Needle for Heart Surgery
Optical Ultrasound Needle for Heart Surgery

Doctors currently rely on external ultrasound probes, combined with pre-operative imaging scans, to visualize soft tissue and organs during minimally invasive procedures, as the miniature surgical...

Optical Ultrasound Needle for Heart Surgery
Briefs : Imaging
Microscope Scans Tumors During Surgery and Examines Cancer Biopsies in 3D
Microscope Scans Tumors During Surgery and Examines Cancer Biopsies in 3D

Currently there is no reliable way to determine, during tumor-removal surgery, whether the excised tissue is completely cancer-free at its margins — the proof that...

Microscope Scans Tumors During Surgery and Examines Cancer Biopsies in 3D
Briefs : Imaging
Device-Free Motion Tracing Using WiFi Signals
Device-Free Motion Tracing Using WiFi Signals

Fine-grained human motion tracing — the ability to trace the trajectory of a moving human hand or leg, or even the whole body — is a general capability that is useful in a wide variety of...

Device-Free Motion Tracing Using WiFi Signals
Briefs : Imaging
Detector System for High-Resolution Imaging
Detector System for High-Resolution Imaging

A large-area detector without any dead space capable of handling a large dynamic range does not currently exist. Current large-area detectors have dead zones created by abutting several modules...

Detector System for High-Resolution Imaging
Briefs : Imaging
Method for Tracking Moving Targets
Method for Tracking Moving Targets

Moving target indication (MTI) methodologies are essential tools to detect, locate, recognize, and track the moving targets of interest in a movie or video sequence. Different MTI methodologies can be...

Method for Tracking Moving Targets