NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.

Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.

U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PUBLICATIONS

Calculating Time-to-Contact Using Real-Time Quantized Optical Flow

Published

Author(s)

Theodore(Ted) Camus
Citation
NIST Interagency/Internal Report (NISTIR) - 5609
Report Number
5609
NIST Pub Series
NIST Interagency/Internal Report (NISTIR)
Pub Type
NIST Pubs

Download Paper

Local Download

Keywords

optical flow, Real-Time, Time-to-collision, Time-to-contact, Vision, Robotics & Intelligent Systems, Mobility, vision-guided robotics

Citation

Camus, T. (1995), Calculating Time-to-Contact Using Real-Time Quantized Optical Flow, NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=820520 (Accessed October 16, 2025)

Issues

If you have any questions about this publication or are having problems accessing it, please contact [email protected].

Created March 1, 1995, Updated November 18, 2008
Was this page helpful?