123456789101112131415161718192021222324252627282930313233343536373839404142434445464748 |
- architecture: FCOS
- pretrain_weights: https://paddledet.bj.bcebos.com/models/pretrained/ResNet50_cos_pretrained.pdparams
- FCOS:
- backbone: ResNet
- neck: FPN
- fcos_head: FCOSHead
- ResNet:
- depth: 50
- variant: 'b'
- norm_type: bn
- freeze_at: 0 # res2
- return_idx: [1, 2, 3]
- num_stages: 4
- FPN:
- out_channel: 256
- spatial_scales: [0.125, 0.0625, 0.03125]
- extra_stage: 2
- has_extra_convs: True
- use_c5: False
- FCOSHead:
- fcos_feat:
- name: FCOSFeat
- feat_in: 256
- feat_out: 256
- num_convs: 4
- norm_type: "gn"
- use_dcn: False
- fpn_stride: [8, 16, 32, 64, 128]
- prior_prob: 0.01
- norm_reg_targets: True
- centerness_on_reg: True
- num_shift: 0.5
- fcos_loss:
- name: FCOSLoss
- loss_alpha: 0.25
- loss_gamma: 2.0
- iou_loss_type: "giou"
- reg_weights: 1.0
- nms:
- name: MultiClassNMS
- nms_top_k: 1000
- keep_top_k: 100
- score_threshold: 0.025
- nms_threshold: 0.6
|