Optimization of image description metrics using policy gradient methods.

Siqi Liu Zhenhai Zhu Ning Ye Sergio Guadarrama Kevin Murphy

Published in: CoRR (2016)

Keyphrases

image description
image understanding
policy gradient methods
feature detection
optimization methods
natural actor critic
computer vision
active learning
low level features
machine learning
feature extraction
video sequences
search space
data model
image representation