Question 21
In the Fast R-CNN architecture, which component is responsible for extracting a fixed-size feature vector from a shared convolutional feature map for each region proposal?
The Region Proposal Network (RPN) which generates anchors.
The Region of Interest (RoI) Pooling layer.
A stack of three 3 × 3 convolutional layers.
The Global Average Pooling layer used in GoogLeNet.