Research Article
A Hierarchical Framework for Facial Age Estimation
Algorithm 2
Algorithm flowchart of ranking-KNN.
Input: Training set with samples | Testing sample | Group with boundary and , output by age group estimation | Output: Estimated age of the testing sample | Initialization: , , , , | Discipline: | (1) For | (1.1) For | If | Else | End for | (1.2) Call KNN to decide belonging to subset or , using the samples within group . | If , else | End for | (2) Deduce the estimated age of testing sample based on : | For | | End for | | (3) Output the estimated age |
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