LossyImageCompression

java.lang.Object

com.pixelmed.dicom.LossyImageCompression

public class LossyImageCompression extends Object

A class to categorize DICOM images as having been lossy compressed or not.

Constructor Summary

Constructors

Constructor

Description

LossyImageCompression()
Method Summary

Modifier and Type

Method

Description

static String

describeLossyCompression(AttributeList list)

Describe the nature of lossy compressed that has ever been applied to an image.

static boolean

hasEverBeenLossyCompressed(AttributeList list)

determine if an image has ever been lossy compressed.

static void

main(String[] arg)

Read a DICOM image input file, and determine if it has ever been lossy compressed.

Methods inherited from class java.lang.Object
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- LossyImageCompression
  
  public LossyImageCompression()
Method Details
- hasEverBeenLossyCompressed
  
  public static boolean hasEverBeenLossyCompressed(AttributeList list)
  
  determine if an image has ever been lossy compressed.
  
  Parameters:
  
  list - list of attributes representing a DICOM image
  
  Returns:
  
  true if has ever been lossy compressed
- describeLossyCompression
  
  public static String describeLossyCompression(AttributeList list)
  
  Describe the nature of lossy compressed that has ever been applied to an image.
  
  Parameters:
  
  list - list of attributes representing a DICOM image
  
  Returns:
  
  a string describing the compression, including method and ratio if possible, or a zero length string if never lossy compressed
- main
  
  public static void main(String[] arg)
  
  Read a DICOM image input file, and determine if it has ever been lossy compressed.
  
  Parameters:
  
  arg - one required parameters, the input file name