Surface Defect Detection of Nonburr Cylinder Liner Based on Improved YOLOv4

<table class="table-group" id="tab5"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Detect method</td><td class="align_center">Input size</td><td class="align_center">Slag (AP%)</td><td class="align_center">Sunken (AP%)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Basic model</td><td class="align_center">416 × 416</td><td class="align_center">63.26</td><td class="align_center">71.66</td></tr><tr><td class="align_left">Improved backbone</td><td class="align_center">416 × 416</td><td class="align_center">69.24</td><td class="align_center">77.73</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

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Table 5

Table 5: Surface Defect Detection of Nonburr Cylinder Liner Based on Improved YOLOv4 