Last date modified: 2025-Aug-12

Native imaging - dithering algorithm options

Relativity native imaging offers multiple dithering algorithms you can apply towards imaging your documents.

This topic provides details on the various dithering algorithms available within Relativity native imaging, as well as use cases for each algorithm, including the size and clarity of images you create.

Dithering algorithm details

System admins can select from one of eight different dithering algorithms when they choose to image with native imaging:

  • Clustered 6x6
  • Clustered 8x8
  • Clustered 16x16
  • Dispersed 4x4
  • Dispersed 8x8
  • Dispersed 16x16
  • Floyd & Steinberg
  • Threshold

An image of the dithering algorithms drop down

Dithering results for text-rich documents

Below are the testing results with the different algorithms for text-rich documents. All results are 300DPI B&W only.

Image Dithering TypeSizeImage Sample Magnified (150% scale)
Clustered 6x627 KBDithering results for text-rich documents with the clustered 6x6 image dithering type.
Clustered 8x825 KBDithering results for text-rich documents with the clustered 8x8 image dithering type.
Clustered 16x1623 KBDithering results for text-rich documents with the clustered 16x16 image dithering type.
Floyd & Steinberg24 KBDithering results for text-rich documents with the floyd and steinberg image dithering type.
Dispersed 4x424 KBDithering results for text-rich documents with the dispersed 4x4 image dithering type.
Dispersed 8x824 KBDithering results for text-rich documents with the dispersed 8x8 image dithering type.
Dispersed 16x1624 KBDithering results for text-rich documents with the dispersed 16x16 image dithering type.
Threshold 02 KBDithering results for text-rich documents with the threshold 0 image dithering type.
Threshold 12722 KBDithering results for text-rich documents with the threshold 127 image dithering type.
Threshold 21522 KBDithering results for text-rich documents with the threshold 215 image dithering type.
Threshold 25522 KBDithering results for text-rich documents with the threshold 255 image dithering type.

Dithering results for image-rich documents

Below are the testing results with the different algorithms for image-rich documents. All results 300DPI B&W only.

Image Dithering TypeSizeImage Sample Magnified (150% scale)
Clustered 6x645 KBDithering results for image-rich documents with the clustered 6x6 image dithering type.
Clustered 8x839 KBDithering results for image-rich documents with the clustered 8x8 image dithering type.
Clustered 16x1633 KBDithering results for image-rich documents with the clustered 16x16 image dithering type.
Floyd & Steinberg70 KBDithering results for image-rich documents with the floyd and steinberg image dithering type.
Dispersed 4x464 KBDithering results for image-rich documents with the dispersed 4x4 image dithering type.
Dispersed 8x852 KBDithering results for image-rich documents with the dispersed 8x8 image dithering type.
Dispersed 16x1669 KBDithering results for image-rich documents with the dispersed 16x16 image dithering type.
Threshold 02 KBDithering results for image-rich documents with the threshold 0 image dithering type.
Threshold 12779 KBDithering results for image-rich documents with the threshold 127 image dithering type.
Threshold 21527 KBDithering results for image-rich documents with the threshold 215 image dithering type.
Threshold 25520 KBDithering results for image-rich documents with the threshold 255 image dithering type.
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