Image & signal processing

News and Updates

Human figure stands facing large wooden board. Behind that is a row of tubes sticking up from a base.

NIST Method Uses Radio Signals to Image Hidden and Speeding Objects

June 25, 2021

Researchers at the National Institute of Standards and Technology (NIST) and Wavsens LLC have developed a method for using radio signals to create real-time

Escape From Flatland: Calibration Method Enables Microscopes to Make Accurate Measurements in All 3 Dimensions

June 24, 2021

Conventional microscopes provide essential information about samples in two dimensions — the plane of the microscope slide. But flat is not all that. In many

Four sets of black, chunky circular shapes with center markings on a white background.

Recovering Data: NIST’s Neural Network Model Finds Small Objects in Dense Images

August 4, 2020

In efforts to automatically capture important data from scientific papers, computer scientists at the National Institute of Standards and Technology (NIST) have

Projects and Programs

Quantitative, traceable determination of cell viability using absorbance microscopy

Ongoing

Most cell-based protocols require knowledge of the number of live and dead cell populations. The current methods, however, lack traceability, which is

Optical and Optoelectronic Materials Characterization

Ongoing

This project aims to develop rigorous measurements and methodology needed for determining optical and electrical properties of advanced materials that might be

Indoor Localization and Tracking

Ongoing

This web page is simply a pointer to another page that covers the extensive research program in indoor localization and tracking at NIST.

Sub-nanoscale electron microscopy of complex nanostructures

Ongoing

The aim of this project is to develop robust, quantitative measurement methods utilizing transmission electron microscopy methods for complex, nanostructured

Publications

Combining machine learning with physics: A framework for tracking and sorting multiple dark solitons

May 31, 2022

Author(s)

Shangjie Guo, Sophia Koh, Amilson R. Fritsch, Ian Spielman, Justyna Zwolak

In ultracold-atom experiments, data often comes in the form of images which suffer information loss inherent in the techniques used to prepare and measure the

Gauging Difficulty of Image Segmentation

March 25, 2022

Author(s)

Marek Franaszek

Image segmentation is the first step in a complex process of object recognition. This report presents a method to gauge the difficulty of segmentation by

Open Media Forensics Challenge 2022 Evaluation Plan

March 3, 2022

Author(s)

Haiying Guan, Yooyoung Lee, Lukas Diduch

This document describes the system evaluation tasks supported by the Open Media Forensics Challenge (OpenMFC) 2022. The evaluation plan covers resources, task

Robust Automated Recognition of Noisy Quantum Dot States

February 25, 2022

Author(s)

Joshua Ziegler, Thomas McJunkin, Emily Joseph, Sandesh Kalantre, Benjamin Harpt, Donald Savage, Max Lagally, Mark Eriksson, Jacob Taylor, Justyna Zwolak

The current autotuning approaches for quantum dot (QD) devices, while showing some success, lack an assessment of data reliability. This leads to unexpected

Software

Custom Lifetime Imaging Platform (CLIP)

CLIP is an analysis program for fluorescence lifetime images. It provides the user with the ability to fit or calculate the phasor plots for lifetime decays

Tools and Instruments

Large Aperture Scanner

The Large Aperture Scanner (LAS) scans a radar transceiver over a 5 meter by 20 meter aperture. Image reconstruction techniques enable a three-dimensional