1. A face recognition method, comprising: receiving a target face image; initializing a registration and a block analysis of the target face image identifying one or more portions of the target face image for face recognition; informing a user of the registration and the block analysis; receiving one or more instructions from the user for operating on the registration and the block analysis; and identifying the target face image from a plurality of face images based on the registration and the block analysis of the target face image when the registration and block analysis are approved by an approving instruction.