Representation and digitization of multimedia*

Media types in the DL

Distribution of media types in the library

Outline

Textual images

Cost basis for archives

Digitization

Digitization

Document capture costs in USD (ca. 1999)

Images of text

Storing a textual image

CCITT Fax IV

Slide 13

CCITT fax group IV

Textual image compression

Library

Residue

Text image outline

De-Skew

Segmentation

Classification

Hough Transform

Hough Transform

Robust Document Understanding

A solution (one of many)

Image data

GIF / PNG

Joint Photography Experts Group

JPEG, continued

Postscript

A simple Postscript example

Portable Document Format

Geospatial Datasets

Audio

Sampling

Amplitude and Channels

Storage Requirements (bitrate)

Putting media together

XML

XML, continued

Text Encoding
Initiative

Synchronized Multimedia
Integration Language :-)

Summary

References