Webopedia on Google+Webopedia on TwitterWebopedia on FacebookTech Bytes Blog
Main » TERM » R »

ROI - return on investment/region of interest

(1) Short for return on investment, ROI is an accounting formula used to obtain an actual or perceived future value of an expense or investment.

(2) Short for region of interest, it is a term most commonly used in reference to a "machine vision" field of view (i.e. digital camera, scanner, medical x-ray equipment, etc.). 

(3) Short for region of interest (ROI) coding it is a function supported by JPEG2000 it enables a non-uniform distribution of the image quality between a selected region (the ROI) and the rest of the image (background).







TECH RESOURCES FROM OUR PARTNERS
LATEST ARTICLES
8 Agenda Apps to Help Students Stay Organized

Webopedia's student apps roundup will help you to better organize your class schedule and stay on top of assignments and homework. Read More »

20 Ways to Shorten a URL

If you need to shorten a long URL try this list of 20 free online redirection services. Read More »

Top 10 Tech Terms of 2015

The most popular Webopedia definitions of 2015. Read More »

STUDY GUIDES
Computer Architecture Study Guide

This Webopedia  study guide describes the different parts of a computer system and their relations. Read More »

Network Fundamentals Study Guide

Networking fundamentals teaches the building blocks of modern network design. Learn different types of networks, concepts, architecture and... Read More »

The Five Generations of Computers

Learn about each of the five generations of computers and major technology developments that have led to the current devices that we use today. Read More »