Can anyone tell me if there is an optimal way in selecting the quantization step when we use Distortion Compensated Dither Modulation for watermarking? Is there an equation dependent on the WNR, or HWR?

Thank you

Follow-Ups:
- [WM]: Any real-world use of informed / Costa watermarking schemes ?
  - From: "Frank Hartung \(AC/EDD\)" <frank.hartung@ericsson.com>

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