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View Code? Open in Web Editor NEWThe top1%(20th) solution of Kaggle Global-Wheat-Detection
Home Page: https://www.kaggle.com/c/global-wheat-detection
The top1%(20th) solution of Kaggle Global-Wheat-Detection
Home Page: https://www.kaggle.com/c/global-wheat-detection
首先祝贺你取得1%的成绩,能加下联系方式吗,我想和你请教下这次比赛的一些技巧和方法,十分感谢!
VX:15256956711
请问使用方案二,运行csv_remake时显示链接不到make_pl中的test_df_pseudo,然后我看了make_pl文件,发现其中没有test_df_pseudo这个函数,请问这个怎么解决?
有些比赛是强制使用notebook进行提交csv文件,并运行notebook
new Notebook
,可选开启GPUsave version
,选择第二种方式,run and commit
summit
在之前训练所得的模型基础上训练:
__getitem__
函数需返回images和字典形式的targets# load a model; pre-trained on COCO(以下4句为pytorch官方教程例子)
model = torchvision.models.detection.fasterrcnn_resnet50_fpn(pretrained=True)
num_classes = 2 # 1 class (wheat) + background
# get number of input features for the classifier
in_features = model.roi_heads.box_predictor.cls_score.in_features
# replace the pre-trained head with a new one
model.roi_heads.box_predictor = FastRCNNPredictor(in_features, num_classes)
for images, targets, image_ids in train_data_loader:
images = list(image.to(device) for image in images)
targets = [{k: v.to(device) for k, v in t.items()} for t in targets]
# 官方教程中写的是 model(images, targets):Returns losses and detections
loss_dict = model(images, targets) # Returns losses and detections
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