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...

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...

Briefs: Imaging
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...

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...

Briefs: Imaging
Optical Ultrasound Needle for Heart Surgery

Doctors currently rely on external ultrasound probes, combined with pre-operative imaging scans, to visualize soft tissue and...

Briefs: Imaging
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...

Briefs: Imaging
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...

Briefs: 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...

Briefs: Imaging
Method for Tracking Moving Targets

Moving target indication (MTI) methodologies are essential tools to detect, locate, recognize, and track the moving targets of interest...

Briefs: Imaging
Method Uses Drones and WiFi to Enable 3D Through-Wall Imaging

WiFi signals are everywhere. Unmanned aerial vehicles (UAVs, or drones) are expected to become a larger part...

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