Cork coding method and device, cork tracing method and device, and an electronic device

A cork coding device, comprising:

• a first acquisition module, for acquiring an original image of a to-be-coded cork with an original character code;
• a first processing module, for identifying the original character code in the original image;
• a first determining module, for determining whether the original character code is matched with a character already inputted into a database;
• a second processing module, for extracting an original texture feature of a to-be-coded cork from the original image, if the original character code is not matched with the character in the database;
• and
• a third processing module, for establishing a one-to-one correspondence between the original texture feature and the original character code.

A cork tracing device, comprising:

• a second acquisition module, for acquiring a current image of a to-be-traced cork, wherein the to-be-traced cork is coded with a cork coding method comprising:
• acquiring an original image of a to-be-coded cork with an original character code;
• identifying the original character code in the original image;
• determining whether the original character code is matched with a character already inputted into a database;
• extracting an original texture feature of a to-be-coded cork from the original image, if the original character code is not matched with the character in the database;
• and
• establishing a one-to-one correspondence between the original texture feature and the original character code;
• a fourth processing module, for obtaining a current texture feature of the to-be-traced cork according to the current image;
• a fifth processing module, for comparing the current texture feature with the original texture feature pre-stored in the database, and generating a comparison result;
• and
• a sixth processing module, for transmitting the comparison result.