Research Article

Fast Vehicle and Pedestrian Detection Using Improved Mask R-CNN

Table 1

Frame comparison of R-CNN, Fast R-CNN, Faster R-CNN, and Mask R-CNN.

Network frameworkR-CNNFast R-CNNFaster R-CNNMask R-CNN

Propose time2014201520162017
Region proposalSelective searchSelective searchRPNRPN
Feature extractionCNNCNN + ROI poolCNN + ROI poolCNN + ROI align
Feature classificationSVM
FunctionClassification, detectionClassification, detectionClassification, detectionClassification, detection, segmentation
Test time per image (with proposals)47 seconds2 seconds0.2 seconds0.2 seconds
mAP (VOC 2012)62.4%68.4%70.4%