YOLOv11改进 | 检测头篇 | YOLOv11引入DynamicHead检测头

官方论文地址：https://arxiv.org/pdf/2106.08322

1. 代码

import math
from mmcv.ops import ModulatedDeformConv2d
from ultralytics.utils.tal import dist2bbox, make_anchors
import torch
import torch.nn as nn
import torch.nn.functional as F
 
 
def _make_divisible(v, divisor, min_value=None):
    if min_value is None:
        min_value = divisor
    new_v = max(min_value, int(v + divisor / 2) // divisor * divisor)
    # Make sure that round down does not go down by more than 10%.
    if new_v < 0.9 * v:
        new_v += divisor
    return new_v
 
 
class h_swish(nn.Module):
    def __init__(self, inpla