csresnext50-panet-spp.conv.112.rar (130M) csresnext50-panet-spp.cfg csresnext50-panet-spp.conv.112 csresnext50-panet-spp-original-optimal.cfg for yolov3 2020 new CSP train pretrain model AlexeyAB/darknet detail in:https://github.com/AlexeyAB/darknet