使用以下代码可以在不同版本的ghostscript中实现相同的压缩行为：

/CompressLevel % 设置压缩级别，取值范围为0-9，0为不压缩，9为最高级压缩
{
  /OneColorThreshold 5000 % 设置颜色阈值，可根据需要进行调整
  /ColorImageDict
  <<
    /JPEG2000ColorACSImageDict
    <<
      /ColorTransform 1
      /Columns 64
      /Rows 64
      /ColorTransform 1
      /QFactor 0.5
      /RedundantLevels 2
    >>
    /JPEGColorACSImageDict
    <<
      /ColorTransform 1
      /QFactor 0.5
      /AverageQFactor 0.5
      /RedundantLevels 2
    >>
  >>
  /GrayImageDict
  <<
    /JPEG2000GrayACSImageDict
    <<
      /ColorTransform 1
      /Columns 64
      /Rows 64
      /ColorTransform 1
      /QFactor 0.5
      /RedundantLevels 2
    >>
    /JPEGGrayACSImageDict
    <<
      /QFactor 0.5
      /AverageQFactor 0.5
      /RedundantLevels 2
    >>
  >>
  /ColorACSImageDict
  <<
    /JPEG2000ColorACSImageDict
    <<
      /ColorTransform 1
      /Columns 64
      /Rows 64
      /ColorTransform 1
      /QFactor 0.5
      /RedundantLevels 2
    >>
    /JPEGColorACSImageDict
    <<
      /ColorTransform 1
      /QFactor 0.5
      /AverageQFactor 0.5
      /RedundantLevels 2
    >>
  >>
  /GrayACSImageDict
  <<
    /JPEG2000GrayACSImageDict
    <<
      /ColorTransform 1