Generative technique

The generative method establishes the target model through online learning and then uses this model to search and reconstruct the image area with minimum error to complete the target localization.

sciencedirect.com

Discriminative models draw boundaries in the data space, while generative models try to model how data is placed throughout the space. A generative model explains how the data was generated, while a discriminative model focuses on predicting the labels of the data.

analyticsvidhya.com