A robust halftone image watermarking method was proposed. The method was developed in parity domain based on pixel block. Especially. the parity sum of a pixel block was defined by comparing the average of the pixel block with an image-dependent threshold. https://www.bekindtopets.com/special-deal-Dermatomes-Foerster-Keegan-and-Garrett-map-Posterior-English-hot-value/