NEMA PS 2 : 1989

Foreword
Scope
History
Purpose
Rationale
Relation to the ACR/NEMA interface standard
Applicability
Validation
Evolution
Overview
1 Referenced standards and definitions
     Referenced standards
     Definitions
2 Technical description
     Overview
     Image conversion techniques
       Lossless differential pulse code modulation
       Discrete cosine transform
       S-transform and pyramid transform
     Coding schemes
       Huffman coding
       Run length encoding
       Lempel-Ziv coding
       Perimeter encoding
       Code combinations
3 Description of data elements
     Introduction
     Organization of data dictionary
     Compression type
       Compression code
       Labeling
       Pointers
       Compression sequence
       Repeat interval
       Blocking
     DPCM compression procedures
     Discrete cosine transform compression procedures
       Data block contents
       Coding
     S-transform and pyramid transform compression
      procedures
     Coding
       Huffman coding
       Shift coding
       Escape code
       Run length coding
       Lempel-Ziv coding
     Perimeter coding
     Message and group lengths
     Compression of overlays
4 Command structure
5 Examples of several types of compression DPCM
       Escape code and Huffman table
       Repeat interval
       Huffman plus shift codes
       Different Huffman table and multiple shifts
       Implied compression
       Huffman and run length encoding
       DPCM-Huffman with realistic images
     Examples of DCT compressed image data
       Example of zonal mapping
       Example of adaptive mapping and Huffman coding
     Examples of S-transformed data sets
       Numerical example
       Example for Huffman-coding of a medical image
        after S-transformation
     Example for Lempel-Ziv encoding
     Example of perimeter encoding
6 Abbreviated data dictionary
Appendix
   Literature references