The invention provides a tactile digital
watermark embedding and detecting method based on electrostatic force, and belongs to the field of
information security. The method includes: carrying out Edgedetection and
texture extraction on an original picture and a user-defined
vector diagram respectively; obtaining an original picture edge texture tactile feature and a user-defined
vector diagram texture tactile feature through
texture extraction, carrying out DES
encryption fusion on the two features to obtain a tactile digital
watermark, and embedding the tactile digital
watermark into the original picture by using a quantitative index modulation
algorithm; The method comprises the following steps: at a detection end, extracting a watermark, performing DES decryption separation on the watermark to obtain an original picture edge texture tactile feature and a user-defined
vector diagram texture tactile feature, performing tactile modeling and rendering on the two parts respectively, re-superposing the two parts together, and inputting the two parts into an electrostatic force tactile terminal to realize tactile
reproduction. According to the method, the digital watermark is embeddedand detected by additionally providing a tactile dimension, so that the anti-counterfeiting performance of the digital watermark is greatly improved, and the applicability and the safety of the watermark are enhanced.