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test_DRAEM.py
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test_DRAEM.py
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import torch
import torch.nn.functional as F
from data_loader import MVTecDRAEMTestDataset
from torch.utils.data import DataLoader
import numpy as np
from sklearn.metrics import roc_auc_score, average_precision_score
from model_unet import ReconstructiveSubNetwork, DiscriminativeSubNetwork
import os
def write_results_to_file(run_name, image_auc, pixel_auc, image_ap, pixel_ap):
if not os.path.exists('./outputs/'):
os.makedirs('./outputs/')
fin_str = "img_auc,"+run_name
for i in image_auc:
fin_str += "," + str(np.round(i, 3))
fin_str += ","+str(np.round(np.mean(image_auc), 3))
fin_str += "\n"
fin_str += "pixel_auc,"+run_name
for i in pixel_auc:
fin_str += "," + str(np.round(i, 3))
fin_str += ","+str(np.round(np.mean(pixel_auc), 3))
fin_str += "\n"
fin_str += "img_ap,"+run_name
for i in image_ap:
fin_str += "," + str(np.round(i, 3))
fin_str += ","+str(np.round(np.mean(image_ap), 3))
fin_str += "\n"
fin_str += "pixel_ap,"+run_name
for i in pixel_ap:
fin_str += "," + str(np.round(i, 3))
fin_str += ","+str(np.round(np.mean(pixel_ap), 3))
fin_str += "\n"
fin_str += "--------------------------\n"
with open("./outputs/results.txt",'a+') as file:
file.write(fin_str)
def test(obj_names, mvtec_path, checkpoint_path, base_model_name):
obj_ap_pixel_list = []
obj_auroc_pixel_list = []
obj_ap_image_list = []
obj_auroc_image_list = []
for obj_name in obj_names:
img_dim = 256
run_name = base_model_name+"_"+obj_name+'_'
model = ReconstructiveSubNetwork(in_channels=3, out_channels=3)
model.load_state_dict(torch.load(os.path.join(checkpoint_path,run_name+".pckl"), map_location='cuda:0'))
model.cuda()
model.eval()
model_seg = DiscriminativeSubNetwork(in_channels=6, out_channels=2)
model_seg.load_state_dict(torch.load(os.path.join(checkpoint_path, run_name+"_seg.pckl"), map_location='cuda:0'))
model_seg.cuda()
model_seg.eval()
dataset = MVTecDRAEMTestDataset(mvtec_path + obj_name + "/test/", resize_shape=[img_dim, img_dim])
dataloader = DataLoader(dataset, batch_size=1,
shuffle=False, num_workers=0)
total_pixel_scores = np.zeros((img_dim * img_dim * len(dataset)))
total_gt_pixel_scores = np.zeros((img_dim * img_dim * len(dataset)))
mask_cnt = 0
anomaly_score_gt = []
anomaly_score_prediction = []
display_images = torch.zeros((16 ,3 ,256 ,256)).cuda()
display_gt_images = torch.zeros((16 ,3 ,256 ,256)).cuda()
display_out_masks = torch.zeros((16 ,1 ,256 ,256)).cuda()
display_in_masks = torch.zeros((16 ,1 ,256 ,256)).cuda()
cnt_display = 0
display_indices = np.random.randint(len(dataloader), size=(16,))
for i_batch, sample_batched in enumerate(dataloader):
gray_batch = sample_batched["image"].cuda()
is_normal = sample_batched["has_anomaly"].detach().numpy()[0 ,0]
anomaly_score_gt.append(is_normal)
true_mask = sample_batched["mask"]
true_mask_cv = true_mask.detach().numpy()[0, :, :, :].transpose((1, 2, 0))
gray_rec = model(gray_batch)
joined_in = torch.cat((gray_rec.detach(), gray_batch), dim=1)
out_mask = model_seg(joined_in)
out_mask_sm = torch.softmax(out_mask, dim=1)
if i_batch in display_indices:
t_mask = out_mask_sm[:, 1:, :, :]
display_images[cnt_display] = gray_rec[0]
display_gt_images[cnt_display] = gray_batch[0]
display_out_masks[cnt_display] = t_mask[0]
display_in_masks[cnt_display] = true_mask[0]
cnt_display += 1
out_mask_cv = out_mask_sm[0 ,1 ,: ,:].detach().cpu().numpy()
out_mask_averaged = torch.nn.functional.avg_pool2d(out_mask_sm[: ,1: ,: ,:], 21, stride=1,
padding=21 // 2).cpu().detach().numpy()
image_score = np.max(out_mask_averaged)
anomaly_score_prediction.append(image_score)
flat_true_mask = true_mask_cv.flatten()
flat_out_mask = out_mask_cv.flatten()
total_pixel_scores[mask_cnt * img_dim * img_dim:(mask_cnt + 1) * img_dim * img_dim] = flat_out_mask
total_gt_pixel_scores[mask_cnt * img_dim * img_dim:(mask_cnt + 1) * img_dim * img_dim] = flat_true_mask
mask_cnt += 1
anomaly_score_prediction = np.array(anomaly_score_prediction)
anomaly_score_gt = np.array(anomaly_score_gt)
auroc = roc_auc_score(anomaly_score_gt, anomaly_score_prediction)
ap = average_precision_score(anomaly_score_gt, anomaly_score_prediction)
total_gt_pixel_scores = total_gt_pixel_scores.astype(np.uint8)
total_gt_pixel_scores = total_gt_pixel_scores[:img_dim * img_dim * mask_cnt]
total_pixel_scores = total_pixel_scores[:img_dim * img_dim * mask_cnt]
auroc_pixel = roc_auc_score(total_gt_pixel_scores, total_pixel_scores)
ap_pixel = average_precision_score(total_gt_pixel_scores, total_pixel_scores)
obj_ap_pixel_list.append(ap_pixel)
obj_auroc_pixel_list.append(auroc_pixel)
obj_auroc_image_list.append(auroc)
obj_ap_image_list.append(ap)
print(obj_name)
print("AUC Image: " +str(auroc))
print("AP Image: " +str(ap))
print("AUC Pixel: " +str(auroc_pixel))
print("AP Pixel: " +str(ap_pixel))
print("==============================")
print(run_name)
print("AUC Image mean: " + str(np.mean(obj_auroc_image_list)))
print("AP Image mean: " + str(np.mean(obj_ap_image_list)))
print("AUC Pixel mean: " + str(np.mean(obj_auroc_pixel_list)))
print("AP Pixel mean: " + str(np.mean(obj_ap_pixel_list)))
write_results_to_file(run_name, obj_auroc_image_list, obj_auroc_pixel_list, obj_ap_image_list, obj_ap_pixel_list)
if __name__=="__main__":
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('--gpu_id', action='store', type=int, required=True)
parser.add_argument('--base_model_name', action='store', type=str, required=True)
parser.add_argument('--data_path', action='store', type=str, required=True)
parser.add_argument('--checkpoint_path', action='store', type=str, required=True)
args = parser.parse_args()
obj_list = ['capsule',
'bottle',
'carpet',
'leather',
'pill',
'transistor',
'tile',
'cable',
'zipper',
'toothbrush',
'metal_nut',
'hazelnut',
'screw',
'grid',
'wood'
]
with torch.cuda.device(args.gpu_id):
test(obj_list,args.data_path, args.checkpoint_path, args.base_model_name)