ComDesignProject/simple_reid.py

85 lines
2.8 KiB
Python

import shutil
import matplotlib.pyplot as plt
import torch
from torchvision import transforms
import numpy as np
import cv2
import os
import param
from deep_sort.deep.feature_extractor import FastReIDExtractor
from fastreid.demo import FeatureExtractionDemo
from fastreid.config import get_cfg
def extractidfeature(id_path: str, extractor: FeatureExtractionDemo):
img_id = cv2.imread(id_path)
tensor_id = extractor.run_on_image(img_id)
return tensor_id.detach().cpu().numpy()
# example
if __name__ == '__main__':
dislist = {}
extractor_model_path = "./deep_sort/deep/checkpoint/market_bot_R50-ibn.pth"
cfg_path = "./fastreid/cfgs/Market1501/bagtricks_R50-ibn.yml"
query_path = "D:\\study\\python\\1zhouxue\\UESTC_ReID_Dataset_V3\\query\\cam6"
galla_path = "D:\\study\\python\\1zhouxue\\UESTC_ReID_Dataset_V3\\gallery"
camera_index = 6 # 第几个摄像头
gallary_list = os.listdir(galla_path)
count = 0
cfg = get_cfg()
cfg.MODEL.DEVICE = 'cuda'
cfg.MODEL.WEIGHTS = extractor_model_path
cfg.merge_from_file(cfg_path)
cfg.freeze()
my_option = param.Parameters() # load model in head
extractor = FeatureExtractionDemo(cfg)
with torch.no_grad():
for i in range(1, 7):
count = 0
dislist.clear()
id_try = extractidfeature(query_path+f"/{camera_index}_{i}.jpg", extractor)
for gal in gallary_list:
count += 1
if count % 5 == 0:
id_tar = extractidfeature(galla_path+'/'+gal, extractor)
dist = np.sum(np.abs(id_try-id_tar))
dislist[gal] = float(dist)
if count > 10000:
break
matched = sorted(dislist.items(), key=lambda x : x[1])
print(matched)
try:
os.mkdir("match/" + f"{camera_index}_{i}")
except:
pass
img = plt.imread(query_path+f"/{camera_index}_{i}.jpg")
plt.subplot(1, 11, 1)
plt.title(f"query_{i}")
plt.imshow(img)
plt.xticks([])
plt.yticks([])
x = 1
for path in matched[0:10]:
s_path = galla_path+'/'+path[0]
t_path = "match/" + f"{camera_index}_{i}" + "/" + path[0]
print(s_path, t_path)
shutil.copy(s_path, t_path)
ID = path[0].split('_')
# print(ID)
ID = int(ID[0])
img = plt.imread(s_path)
plt.subplot(1, 11, x+1)
if ID == i:
plt.title(x)
else:
plt.title(x, color='red')
plt.imshow(img)
plt.xticks([])
plt.yticks([])
x += 1
plt.show()