Spotlight the Negatives: A Generalized Discriminative Latent Model

no code implementations • 8 Jul 2015 • Hossein Azizpour, Mostafa Arefiyan, Sobhan Naderi Parizi, Stefan Carlsson

Discriminative latent variable models (LVM) are frequently applied to various visual recognition tasks.

Generalized Majorization-Minimization

no code implementations • 25 Jun 2015 • Sobhan Naderi Parizi, Kun He, Reza Aghajani, Stan Sclaroff, Pedro Felzenszwalb

Majorization-Minimization (MM) is a powerful iterative procedure for optimizing non-convex functions that works by optimizing a sequence of bounds on the function.

Automatic Discovery and Optimization of Parts for Image Classification

no code implementations • 20 Dec 2014 • Sobhan Naderi Parizi, Andrea Vedaldi, Andrew Zisserman, Pedro Felzenszwalb

First, a collection of informative parts is discovered, using heuristics that promote part distinctiveness and diversity, and then classifiers are trained on the vector of part responses.

Classification General Classification +2