Discrimination container generation device and pattern detection device KU Leuven
A discriminator generation device 10 includes a feature quantity extraction unit 13 which, using at least two pattern groups having patterns of different sizes for a detection object, extracts a feature quantity of patterns configuring each pattern group, and a discriminator generation unit 14 which generates a discriminator for detecting a detection object of a size corresponding to each pattern group in an image based on the feature quantity of the patterns of each pattern group.