Defining the Jargon

Whether you are just looking for imaging information or performing a detailed analysis, understanding the jargon of the imaging industry will help you make a more informed decision. Our glossary provides definitions for the important terms, formats, abbreviations, and concepts in document imaging. You can leverage our knowledge as well as our products to make imaging an integral part of your application's expert performance.

Imaging Software Glossary: Terms & Concepts: H

The imaging software glossary provides definitions for document and web imaging, in addition to terminology specific to Snowbound Software’s imaging technology.


Half-Tone The half-tone is the reproduction of a contiguous-tone image on a device which does not directly support continuous output. This is done by displaying or printing a pattern of small dots which from a distance can simulate the desired output color or intensity. This is typical of black and white newspaper photos.

HIPAA The intent of the Health Information Portability and Accountability Act (HIPAA) is that all electronic transactions for which standards are specific must be conducted according to the standards. These standards were not imposed by the law, but instead were developed by a process which included significant private sector input. HIPAA also addresses the security and privacy of health data.

Histogram A histogram shows the distribution of colors in an image. For a 256 color image, it shows how many times a particular pixel intensity occurred in that image. It is a graphical version of a table which shows what proportion of cases fall into each of several or many specified categories. The categories are usually specified as nonoverlapping intervals of some variable.

HTML Hyperlink Text Markup Language (HTML) is a tag-based language used to create documents for the Web. HTML forms are often used to capture information from web sites.

Huffman Coding Huffman coding is a method of data compression that is derived by how often elements appear within the data. Windows uses ICO Microsoft Icon format files (multipage file) to display its icons. It contains a standard device independent bitmap with a new header on top. The header indicates the type of resource and number of icons. Huffman coding supports 1 and 4-bits of uncompressed data.