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 framework | R-CNN | Fast R-CNN | Faster R-CNN | Mask R-CNN |
| Propose time | 2014 | 2015 | 2016 | 2017 | Region proposal | Selective search | Selective search | RPN | RPN | Feature extraction | CNN | CNN + ROI pool | CNN + ROI pool | CNN + ROI align | Feature classification | SVM | | Function | Classification, detection | Classification, detection | Classification, detection | Classification, detection, segmentation | Test time per image (with proposals) | 47 seconds | 2 seconds | 0.2 seconds | 0.2 seconds | mAP (VOC 2012) | 62.4% | 68.4% | 70.4% | — |
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