Systems and methods for image classification are disclosed. In one aspect, embodiments of the present disclosure include a method, which may be implemented on a system, of selecting a predetermined number of training images that are representative of images associable with a particular topic category. One embodiment can include, extracting training image features from the training images, generating a set of descriptors characteristic of images associable with the particular topic category, and generating the particular set of predetermined models that correspond to the particular topic category based on the set of descriptors.