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Java CMYK to RGB Conversion – Speed Comparison

Introduction Some optimisations are best left to Java. For example a System.arraycopy is the fastest way to create a new version because it is optimised in hardware inside Java.

  • Manual pixel conversion outperforms ColorConvertOp by 73 seconds
  • Caching last CMYK values reduces unnecessary conversions
  • Manual method recommended for image data conversion tasks

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