A multi-agent system for the classification of gender and age from images.

•Multi-agent system for the classification of people by their age and gender.•The system integrates different techniques for the acquisition and preprocessing of images.•Evaluation of different techniques (Fisherfaces, Eigenfaces, LBP, ANN) and their combination with filters (Gabor, Sobel).•The system operates in environments with uncontrolled conditions (brightness, contrast, saturation or sharpness).