resnet parm

This commit is contained in:
2026-07-24 17:44:47 +08:00
parent 70b846b41c
commit a217077c13
9 changed files with 171 additions and 62 deletions
+28 -8
View File
@@ -1,3 +1,4 @@
import os
import cv2
import glob
import torch
@@ -5,21 +6,32 @@ from torchvision import transforms
from PIL import Image
import numpy as np
from core.nets.resnet import resnet
from core.const import label_name, input_size
from core.const import mode, label_name, input_size
def test():
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
print(device)
net = resnet()
net.load_state_dict(torch.load("./model/resnet_epoch_15.pth", weights_only=True))
script_dir = os.path.dirname(os.path.abspath(__file__))
core_dir = os.path.dirname(script_dir)
model_dir = os.path.join(core_dir, "models")
dataset_dir = os.path.join(core_dir, "dataset", mode, "test")
im_list = glob.glob("./dataset/test/*/*.jpg")
print("model_dir", model_dir)
net = resnet()
net.load_state_dict(torch.load(os.path.join(model_dir, "resnet_epoch_50.pth"), weights_only=True))
print("111")
im_list = glob.glob(os.path.join(dataset_dir, "*", "*.jpg"))
np.random.shuffle(im_list)
net.to(device)
print("222")
test_transform = transforms.Compose([
transforms.Resize(input_size),
transforms.CenterCrop(input_size),
@@ -27,7 +39,11 @@ def test():
transforms.Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225])
])
print("333")
ary = []
for im_path in im_list:
# print("im_path", im_path)
net.eval()
im_data = Image.open(im_path)
@@ -40,11 +56,15 @@ def test():
_, pred = torch.max(outputs.data, dim=1)
print(label_name[pred.cpu().numpy()[0]], " ", im_path)
img = np.asarray(im_data)
img = cv2.cvtColor(img, cv2.COLOR_RGB2BGR)
cv2.imshow("img", img)
cv2.waitKey(0)
result = label_name[pred.cpu().numpy()[0]]
if result in im_path:
ary.append(True)
else:
ary.append(False)
print("ary", ary)
print(sum(ary) / len(ary))
if __name__ == "__main__":
test()
+57
View File
@@ -0,0 +1,57 @@
import cv2
import glob
import numpy as np
from PIL import Image
import onnxruntime as ort # 【修改1】替换torch导入
from torchvision import transforms # 保留transforms,仍用于预处理
from core.const import label_name, input_size
def test():
# 【修改2】选择ONNX Runtime的执行提供程序,自动选择CPU或CUDA
providers = ['CUDAExecutionProvider', 'CPUExecutionProvider'] if 'CUDAExecutionProvider' in ort.get_available_providers() else ['CPUExecutionProvider']
print(f"使用设备: {providers[0]}")
# 【修改3】加载ONNX模型,替代原来的PyTorch模型加载
session = ort.InferenceSession("./model/resnet_final.onnx", providers=providers)
# 获取输入名称(用于后续推理时指定输入)
input_name = session.get_inputs()[0].name
im_list = glob.glob("./dataset/test/*/*.jpg")
np.random.shuffle(im_list)
# 预处理完全不变
test_transform = transforms.Compose([
transforms.Resize(input_size),
transforms.CenterCrop(input_size),
transforms.ToTensor(),
transforms.Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225])
])
for im_path in im_list:
im_data = Image.open(im_path)
inputs = test_transform(im_data)
inputs = torch.unsqueeze(inputs, dim=0) # 这里还在用torch,下面会改
# 【修改4】将输入转为numpyONNX Runtime需要numpy输入
inputs = inputs.numpy()
if providers[0] == 'CPUExecutionProvider':
inputs = inputs.astype(np.float32)
# 【修改5】ONNX Runtime推理,输出直接是numpy数组
outputs = session.run(None, {input_name: inputs})[0]
# 【修改6】解析结果,直接用numpy操作
pred = np.argmax(outputs, axis=1)
print(label_name[pred[0]], " ", im_path)
img = np.asarray(im_data)
img = cv2.cvtColor(img, cv2.COLOR_RGB2BGR)
cv2.imshow("img", img)
cv2.waitKey(0)
if __name__ == "__main__":
test()