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7 changed files with 297 additions and 82 deletions

5
.gitignore vendored
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@@ -299,5 +299,8 @@ Temporary Items
# project files
/whl_packages/
/federated_learning/runs/detect/*
runs/
*.pt
*.cache
.vscode/
*.json

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@@ -2,7 +2,34 @@
毕业设计基于YOLO和图像融合技术的无人机检测系统及安全性研究
Linux 运行训练
Linux 运行联邦训练
```bash
nohup python -u yolov8_fed.py >> runtime.log 2>&1 &
cd federated_learning
```
```bash
nohup python -u yolov8_fed.py > runtime.log 2>&1 &
```
Linux 运行集中训练
```bash
cd yolov8
```
```bash
nohup python -u yolov8_train.py > runtime.log 2>&1 &
```
实时监控日志文件
```bash
tail -f runtime.log
```
运行图像融合配准代码
```bash
cd image_fusion
```
```bash
python Image_Registration_test.py
```

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@@ -0,0 +1,49 @@
# Ultralytics 🚀 AGPL-3.0 License - https://ultralytics.com/license
# Ultralytics YOLOv8 object detection model with P3/8 - P5/32 outputs
# Model docs: https://docs.ultralytics.com/models/yolov8
# Task docs: https://docs.ultralytics.com/tasks/detect
# Parameters
nc: 1 # number of classes
scales: # model compound scaling constants, i.e. 'model=yolov8n.yaml' will call yolov8.yaml with scale 'n'
# [depth, width, max_channels]
n: [0.33, 0.25, 1024] # YOLOv8n summary: 129 layers, 3157200 parameters, 3157184 gradients, 8.9 GFLOPS
s: [0.33, 0.50, 1024] # YOLOv8s summary: 129 layers, 11166560 parameters, 11166544 gradients, 28.8 GFLOPS
m: [0.67, 0.75, 768] # YOLOv8m summary: 169 layers, 25902640 parameters, 25902624 gradients, 79.3 GFLOPS
l: [1.00, 1.00, 512] # YOLOv8l summary: 209 layers, 43691520 parameters, 43691504 gradients, 165.7 GFLOPS
x: [1.00, 1.25, 512] # YOLOv8x summary: 209 layers, 68229648 parameters, 68229632 gradients, 258.5 GFLOPS
# YOLOv8.0n backbone
backbone:
# [from, repeats, module, args]
- [-1, 1, Conv, [64, 3, 2]] # 0-P1/2
- [-1, 1, Conv, [128, 3, 2]] # 1-P2/4
- [-1, 3, C2f, [128, True]]
- [-1, 1, Conv, [256, 3, 2]] # 3-P3/8
- [-1, 6, C2f, [256, True]]
- [-1, 1, Conv, [512, 3, 2]] # 5-P4/16
- [-1, 6, C2f, [512, True]]
- [-1, 1, Conv, [1024, 3, 2]] # 7-P5/32
- [-1, 3, C2f, [1024, True]]
- [-1, 1, SPPF, [1024, 5]] # 9
# YOLOv8.0n head
head:
- [-1, 1, nn.Upsample, [None, 2, "nearest"]]
- [[-1, 6], 1, Concat, [1]] # cat backbone P4
- [-1, 3, C2f, [512]] # 12
- [-1, 1, nn.Upsample, [None, 2, "nearest"]]
- [[-1, 4], 1, Concat, [1]] # cat backbone P3
- [-1, 3, C2f, [256]] # 15 (P3/8-small)
- [-1, 1, Conv, [256, 3, 2]]
- [[-1, 12], 1, Concat, [1]] # cat head P4
- [-1, 3, C2f, [512]] # 18 (P4/16-medium)
- [-1, 1, Conv, [512, 3, 2]]
- [[-1, 9], 1, Concat, [1]] # cat head P5
- [-1, 3, C2f, [1024]] # 21 (P5/32-large)
- [[15, 18, 21], 1, Detect, [nc]] # Detect(P3, P4, P5)

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@@ -1,6 +1,9 @@
import glob
import os
from pathlib import Path
import json
from pydoc import cli
from threading import local
import yaml
from ultralytics import YOLO
@@ -16,120 +19,234 @@ def federated_avg(global_model, client_weights):
if total_samples == 0:
raise ValueError("Total number of samples must be positive.")
# DEBUG: global_dict
# print(global_model)
# 获取YOLO底层PyTorch模型参数
global_dict = global_model.model.state_dict()
# 提取所有客户端的 state_dict 和对应样本数
state_dicts, sample_counts = zip(*client_weights)
for key in global_dict:
# 对每一层参数取平均
# if global_dict[key].data.dtype == torch.float32:
# global_dict[key].data = torch.stack(
# [w[key].float() for w in client_weights], 0
# ).mean(0)
# 克隆参数并脱离计算图
global_dict_copy = {
k: v.clone().detach().requires_grad_(False) for k, v in global_dict.items()
}
# 加权平均
if global_dict[key].dtype == torch.float32: # 只聚合浮点型参数
# 跳过 BatchNorm 层的统计量
if any(x in key for x in ['running_mean', 'running_var', 'num_batches_tracked']):
continue
# 按照样本数加权求和
weighted_tensors = [sd[key].float() * (n / total_samples)
for sd, n in zip(state_dicts, sample_counts)]
global_dict[key] = torch.stack(weighted_tensors, dim=0).sum(dim=0)
# 聚合可训练且存在的参数
for key in global_dict_copy:
# if global_dict_copy[key].dtype != torch.float32:
# continue
# if any(
# x in key for x in ["running_mean", "running_var", "num_batches_tracked"]
# ):
# continue
# 检查所有客户端是否包含当前键
all_clients_have_key = all(key in sd for sd in state_dicts)
if all_clients_have_key:
# 计算每个客户端的加权张量
# weighted_tensors = [
# client_state[key].float() * (sample_count / total_samples)
# for client_state, sample_count in zip(state_dicts, sample_counts)
# ]
weighted_tensors = []
for client_state, sample_count in zip(state_dicts, sample_counts):
weight = sample_count / total_samples # 计算权重
weighted_tensor = client_state[key].float() * weight # 加权张量
weighted_tensors.append(weighted_tensor)
# 聚合加权张量并更新全局参数
global_dict_copy[key] = torch.stack(weighted_tensors, dim=0).sum(dim=0)
# 解决模型参数不匹配问题
try:
# 加载回YOLO模型
global_model.model.load_state_dict(global_dict)
except RuntimeError as e:
print('Ignoring "' + str(e) + '"')
# else:
# print(f"错误: 键 {key} 在部分客户端缺失,已保留全局参数")
# 终止训练或记录日志
# raise KeyError(f"键 {key} 缺失")
# 添加调试输出
print("\n=== 参数聚合检查 ===")
# 加载回YOLO模型
global_model.model.load_state_dict(global_dict_copy, strict=True)
# 选取一个典型参数层
# sample_key = list(global_dict.keys())[10]
# original = global_dict[sample_key].data.mean().item()
# aggregated = torch.stack([w[sample_key] for w in client_weights]).mean().item()
# print(f"参数层 '{sample_key}' 变化: {original:.4f} → {aggregated:.4f}")
# print(f"客户端参数差异: {[w[sample_key].mean().item() for w in client_weights]}")
# global_model.model.train()
# with torch.no_grad():
# global_model.model.load_state_dict(global_dict_copy, strict=True)
# 随机选取一个非统计量层进行对比
sample_key = next(k for k in global_dict if 'running_' not in k)
aggregated_mean = global_dict[sample_key].mean().item()
client_means = [sd[sample_key].float().mean().item() for sd in state_dicts]
print(f"layer: '{sample_key}' Mean after aggregation: {aggregated_mean:.6f}")
print(f"The average value of the layer for each client: {client_means}")
# 定义多个关键层
MONITOR_KEYS = [
"model.0.conv.weight",
"model.1.conv.weight",
"model.3.conv.weight",
"model.5.conv.weight",
"model.7.conv.weight",
"model.9.cv1.conv.weight",
"model.12.cv1.conv.weight",
"model.15.cv1.conv.weight",
"model.18.cv1.conv.weight",
"model.21.cv1.conv.weight",
"model.22.dfl.conv.weight",
]
with open("aggregation_check.txt", "a") as f:
f.write("\n=== 参数聚合检查 ===\n")
for key in MONITOR_KEYS:
# if key not in global_dict:
# continue
# if not all(key in sd for sd in state_dicts):
# continue
# 计算聚合后均值
aggregated_mean = global_dict[key].mean().item()
# 计算各客户端均值
client_means = [sd[key].float().mean().item() for sd in state_dicts]
with open("aggregation_check.txt", "a") as f:
f.write(f"'{key}' 聚合后均值: {aggregated_mean:.6f}\n")
f.write(f"各客户端该层均值差异: {[f'{cm:.6f}' for cm in client_means]}\n")
f.write(f"客户端最大差异: {max(client_means) - min(client_means):.6f}\n\n")
return global_model
# ------------ 修改训练流程 ------------
def federated_train(num_rounds, clients_data):
# ========== 初始化指标记录 ==========
metrics = {
"round": [],
"val_mAP": [], # 每轮验证集mAP
# "train_loss": [], # 每轮平均训练损失
"client_mAPs": [], # 各客户端本地模型在验证集上的mAP
"communication_cost": [], # 每轮通信开销MB
}
# 初始化全局模型
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
global_model = YOLO("../yolov8n.pt").to(device)
# 设置类别数
global_model.model.nc = 1
global_model = (
YOLO("/home/image1325/DATA/Graduation-Project/federated_learning/yolov8n.yaml")
.load("/home/image1325/DATA/Graduation-Project/federated_learning/yolov8n.pt")
.to(device)
)
global_model.model.model[-1].nc = 1 # 设置检测类别数为1
# global_model.model.train.ema.enabled = False
# 克隆全局模型
local_model = copy.deepcopy(global_model)
for _ in range(num_rounds):
client_weights = []
# 各客户端的训练损失
# client_losses = []
# DEBUG: 检查全局模型参数
# global_dict = global_model.model.state_dict()
# print(global_dict.keys())
# 每个客户端本地训练
for data_path in clients_data:
# 统计本地训练样本数
with open(data_path, 'r') as f:
with open(data_path, "r") as f:
config = yaml.safe_load(f)
# Resolve img_dir relative to the YAML file's location
yaml_dir = os.path.dirname(data_path)
img_dir = os.path.join(yaml_dir, config.get('train', data_path)) # 从配置文件中获取图像目录
img_dir = os.path.join(
yaml_dir, config.get("train", data_path)
) # 从配置文件中获取图像目录
# print(f"Image directory: {img_dir}")
num_samples = (len(glob.glob(os.path.join(img_dir, '*.jpg'))) +
len(glob.glob(os.path.join(img_dir, '*.png'))))
num_samples = (
len(glob.glob(os.path.join(img_dir, "*.jpg")))
+ len(glob.glob(os.path.join(img_dir, "*.png")))
+ len(glob.glob(os.path.join(img_dir, "*.jpeg")))
)
# print(f"Number of images: {num_samples}")
# 克隆全局模型
local_model = copy.deepcopy(global_model)
local_model.model.load_state_dict(
global_model.model.state_dict(), strict=True
)
# 本地训练(保持你的原有参数设置)
local_model.train(
name=f"train{_ + 1}", # 当前轮次
data=data_path,
epochs=16, # 每轮本地训练1个epoch
save_period=16,
imgsz=640, # 图像大小
# model=local_model,
epochs=16, # 每轮本地训练多少个epoch
# save_period=16,
imgsz=768, # 图像大小
verbose=False, # 关闭冗余输出
batch=-1
batch=-1, # 批大小
workers=6, # 工作线程数
)
# 记录客户端训练损失
# client_loss = results.results_dict['train_loss']
# client_losses.append(client_loss)
# 收集模型参数及样本数
client_weights.append((copy.deepcopy(local_model.model.state_dict()), num_samples))
client_weights.append((local_model.model.state_dict(), num_samples))
# 聚合参数更新全局模型
global_model = federated_avg(global_model, client_weights)
print(f"Round {_ + 1}/{num_rounds} completed.")
return global_model
# DEBUG: 检查全局模型参数
# keys = global_model.model.state_dict().keys()
# ========== 评估全局模型 ==========
# 复制全局模型以避免在评估时修改参数
val_model = copy.deepcopy(global_model)
# 评估全局模型在验证集上的性能
with torch.no_grad():
val_results = val_model.val(
data="/mnt/DATA/uav_dataset_old/UAVdataset/fed_data.yaml", # 指定验证集配置文件
imgsz=768, # 图像大小
batch=16, # 批大小
verbose=False, # 关闭冗余输出
)
# 丢弃评估模型
del val_model
# DEBUG: 检查全局模型参数
# if keys != global_model.model.state_dict().keys():
# print("模型参数不一致!")
val_mAP = val_results.box.map # 获取mAP@0.5
# 计算平均训练损失
# avg_train_loss = sum(client_losses) / len(client_losses)
# 计算通信开销(假设传输全部模型参数)
model_size = sum(p.numel() * 4 for p in global_model.model.parameters()) / (
1024**2
) # MB
# 记录到指标容器
metrics["round"].append(_ + 1)
metrics["val_mAP"].append(val_mAP)
# metrics['train_loss'].append(avg_train_loss)
metrics["communication_cost"].append(model_size)
# 打印当前轮次结果
with open("aggregation_check.txt", "a") as f:
f.write(f"\n[Round {_ + 1}/{num_rounds}]\n")
f.write(f"Validation mAP@0.5: {val_mAP:.4f}\n")
# f.write(f"Average Train Loss: {avg_train_loss:.4f}")
f.write(f"Communication Cost: {model_size:.2f} MB\n\n")
return global_model, metrics
# ------------ 使用示例 ------------
if __name__ == "__main__":
# 联邦训练配置
clients_config = [
"/root/autodl-tmp/dataset/train1/train1.yaml", # 客户端1数据路径
"/root/autodl-tmp/dataset/train2/train2.yaml" # 客户端2数据路径
"/mnt/DATA/uav_fed/train1/train1.yaml", # 客户端1数据路径
"/mnt/DATA/uav_fed/train2/train2.yaml", # 客户端2数据路径
]
# 使用本地数据集进行测试
# clients_config = [
# "/home/image1325/DATA/Graduation-Project/dataset/train1/train1.yaml",
# "/home/image1325/DATA/Graduation-Project/dataset/train2/train2.yaml",
# ]
# 运行联邦训练
final_model = federated_train(num_rounds=10, clients_data=clients_config)
final_model, metrics = federated_train(num_rounds=10, clients_data=clients_config)
# 保存最终模型
final_model.save("yolov8n_federated.pt")
# final_model.export(format="onnx") # 导出为ONNX格式
# 检查1确认模型保存
# assert Path("yolov8n_federated.onnx").exists(), "模型导出失败"
# 检查2验证预测功能
# results = final_model.predict("../dataset/val/images/VS_P65.jpg", save=True)
# assert len(results[0].boxes) > 0, "预测结果异常"
with open("metrics.json", "w") as f:
json.dump(metrics, f, indent=4)

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yolov8/yolov8.yaml Normal file
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train: /mnt/DATA/dataset/uav_dataset/train/images/
val: /mnt/DATA/dataset/uav_dataset/val/images/
test: /mnt/DATA/dataset/test2/images/
# number of classes
nc: 1
names: ['uav']

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yolov8/yolov8_train.py Normal file
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from ultralytics import YOLO
# 加载预训练模型
model = YOLO('../yolov8n.pt')
# 开始训练
model.train(
data='./yolov8.yaml', # 数据配置文件路径
epochs=320, # 训练轮数
batch=-1, # 批量大小
imgsz=640, # 输入图片大小
device=0 # 使用的设备0 表示 GPU'cpu' 表示 CPU
)

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