Fingerprint information dynamic updating method and fingerprint recognition apparatus

A fingerprint recognition apparatus, comprising a non-transitory storage medium and a processor;

• wherein the non-transitory storage medium has computer-executable instructions which, when executed by the processor, cause the system to:
• collect fingerprint information;
• perform fingerprint recognition according to the collected fingerprint information and a pre-registered fingerprint template database;
• and
• update the fingerprint template database after the fingerprint recognition succeeds, wherein whether the fingerprint template database is saturate is determined:
• if the fingerprint template database is not saturate, whether the collected fingerprint information satisfies a first updating condition is determined, and the collected fingerprint information is added to the fingerprint template database when the collected fingerprint information satisfies the first updating condition;
• and
• if the fingerprint template database is saturate, whether the collected fingerprint information satisfies a second updating condition is determined, and when the collected fingerprint information satisfies the second updating condition, target fingerprint information is selected from the fingerprint template database and the target fingerprint information is replaced with the collected fingerprint information;
• wherein the collected fingerprint information satisfies a second updating condition is determined, if added information exists in the collected fingerprint information as compared with the fingerprint information in the fingerprint template database, and the amount of the new information reaches a second threshold;
• the second threshold is a certain non-zero percentage by which the amount of the new information in the collected fingerprint information occupies the amount of fingerprint information in the fingerprint template database.