Optical Resolution

The physical resolution at which a device can capture an image. The term is used most frequently in reference to optical scanners and digital cameras. In contrast, the interpolated resolution indicates the resolution that the device can yield through interpolation — the process of generating intermediate values based on known values. For example, most scanners offer an optical resolution of 300 dpi, but an interpolated resolution of up to 4,800 dpi. This means that the scanner can actually capture 90,000 pixels per square inch. Then, based on the values of these pixels, it can add 15 additional pixels in-between each pair of known values to yield a higher resolution.

Top Articles

The Complete List of Text Abbreviations & Acronyms

From A3 to ZZZ we list 1,559 text message and online chat abbreviations to help you translate and understand today's texting lingo. Includes Top...

How to Create a Website Shortcut on Your Desktop

This Webopedia guide will show you how to create a desktop shortcut to a website using Firefox, Chrome or Internet Explorer (IE). Creating a desktop...

Windows Operating System History & Versions

The Windows operating system (Windows OS) refers to a family of operating systems developed by Microsoft Corporation. We look at the history of Windows...

Hotmail [Outlook] Email Accounts

By Vangie Beal Hotmail was one of the first public webmail services that could be accessed from any web browser. Since 2011, Hotmail, in terms...

Data Corruption Definition &...

Data corruption is the process of data becoming unreadable or invalid. It typically...

Subschema Definition & Meaning

A subschema is a database view that filters or organizes all data to...

Fileless Malware Meaning &...

Fileless malware is a type of malicious software that uses legitimate applications already...