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deepfashion2_retrieval_test.py
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deepfashion2_retrieval_test.py
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import json
import numpy as np
from pycocotools import mask as maskUtils
thresh = 0.5
# load retrieval results
results_image_id_all = []
results_query_score_all = []
results_query_cls_all = []
results_query_box_all = []
results_gallery_id_all = []
results_gallery_box_all = []
results_name = ' '
with open(results_name, 'r') as f:
results = json.loads(f.read())
for i in results:
box = i['query_bbox']
query_box = [box[0],box[1],box[2]-box[0],box[3]-box[1]]
box = np.array(i['gallery_bbox'])
gallery_box = [box[:,0], box[:,1], box[:,2] - box[:,0], box[:,3] - box[:,1]]
gallery_box = np.transpose(gallery_box,(1,0)).tolist()
results_image_id_all.append(i['query_image_id'])
results_query_score_all.append(i['query_score'])
results_query_cls_all.append(i['query_cls'])
results_query_box_all.append(query_box)
results_gallery_id_all.append(i['gallery_image_id'])
results_gallery_box_all.append(gellery_box)
f.close()
results_image_id_all = np.array(results_image_id_all)
results_query_score_all = np.array(results_query_score_all)
results_query_cls_all = np.array(results_query_cls_all)
results_query_box_all = np.array(results_query_box_all)
results_gallery_id_all = np.array(results_gallery_id_all)
results_gallery_box_all = np.array(results_gallery_box_all)
# load query ground truth
query_image_id_all = []
query_box_all = []
query_cls_all = []
query_style_all = []
query_pair_all = []
query_name = '.../query_gt.json'
with open(query_name, 'r') as f:
query = json.loads(f.read())
for i in query:
box = i['bbox']
box = [box[0], box[1], box[2] - box[0], box[3] - box[1]]
query_image_id_all.append(i['query_image_id'])
query_box_all.append(box)
query_cls_all.append(i['cls'])
query_style_all.append(i['style'])
query_pair_all.append(i['pair_id'])
f.close()
# load gallery ground truth
query_image_id_all = np.array(query_image_id_all)
query_box_all = np.array(query_box_all)
query_cls_all = np.array(query_cls_all)
query_style_all = np.array(query_style_all)
query_pair_all = np.array(query_pair_all)
query_num = len(np.where(query_style_all>0)[0]) # the number of all query clothing items
query_id_real= np.unique(query_image_id_all) # image ids of query clothing items
gallery_image_id_all = []
gallery_box_all = []
gallery_style_all = []
gallery_pair_all = []
gallery_name = '.../gallery_gt.json'
with open(gallery_name, 'r') as f:
gallery = json.loads(f.read())
for i in gallery:
box = i['bbox']
box = [box[0], box[1], box[2] - box[0], box[3] - box[1]]
gallery_image_id_all.append(i['gallery_image_id'])
gallery_box_all.append(box)
gallery_style_all.append(i['style'])
gallery_pair_all.append(i['pair_id'])
f.close()
gallery_image_id_all = np.array(gallery_image_id_all)
gallery_box_all = np.array(gallery_box_all)
gallery_style_all = np.array(gallery_style_all)
gallery_pair_all = np.array(gallery_pair_all)
correct_num_1 = 0
correct_num_5 = 0
correct_num_10 = 0
correct_num_15 = 0
correct_num_20 = 0
miss_num = 0 # the number of query items that fail to be detected
for id in query_id_real:
results_id_ind = np.where(results_image_id_all==id)[0]
if len(results_id_ind) == 0: # in case no clothing item is detected
continue
query_id_ind = np.where(query_image_id_all==id)[0] # all query items in the given image
pair_id = query_pair_all[query_id_ind]
assert len(np.unique(pair_id)) == 1
pair_id = pair_id[0]
results_id_score = results_query_score_all[results_id_ind]
results_id_box = results_query_box_all[results_id_ind]
results_id_cls = results_query_cls_all[results_id_ind]
results_id_gallery_id = results_gallery_id_all[results_id_ind]
results_id_gallery_box = results_gallery_box_all[results_id_ind]
query_id_box = query_box_all[query_id_ind]
query_id_cls = query_cls_all[query_id_ind]
query_id_style = query_style_all[query_id_ind]
is_crowd = np.zeros(len(query_id_box))
iou_id = maskUtils.iou(results_id_box,query_id_box,is_crowd)
iou_ind = np.argmax(iou_id,axis=1) # assign a ground truth label to each detected clothing item
for id_ind in range(0,len(query_id_ind)):
style = query_id_style[id_ind]
cls = query_id_cls[id_ind]
# For a given ground truth query item, select a detected item on behalf of it:
# First find out all detected items which are assigned the given ground truth label
# and are classified correctly.
# Then select the detected item with the highest score among these detected items.
if style>0:
results_style_ind1 = np.where(iou_ind==id_ind)[0]
results_style_ind2 = np.where(results_id_cls==cls)[0]
results_style_ind = np.intersect1d(results_style_ind1,results_style_ind2)
if len(results_style_ind)>0:
results_score_style = results_id_score[results_style_ind]
score_max_ind = np.argmax(results_score_style)
results_style_query_ind = results_style_ind[score_max_ind]
results_style_gallery_id = results_id_gallery_id[results_style_query_ind]
results_style_gallery_box = results_id_gallery_box[results_style_query_ind]
# find out the corresponding ground truth items in the gallery, that is ground truth items which have the same pair id and style as the query item.
gt_gallery_ind1 = np.where(gallery_pair_all==pair_id)[0]
gt_gellery_ind2 = np.where(gallery_style_all==style)[0]
gt_gallery_ind = np.intersect1d(gt_gallery_ind1,gt_gellery_ind2)
gt_gallery_image_id = gallery_image_id_all[gt_gallery_ind]
gt_gallery_box = gallery_box_all[gt_gallery_ind]
assert len(gt_gallery_ind)>0
if len(gt_gallery_ind) == 1:
gt_gallery_image_id = [gt_gallery_image_id]
#calculate top-1
for t in range(0,1):
# if corresponding ground truth gallery images contains retrieved gallery image,
# first find out the exact corresponding ground truth gallery image,
# then find out ground truth gallery items in this ground truth gallery image(whose number may be greater than 1)
# if the overlap between the retrieved gallery item and one of the ground truth gallery items is over the thresh, the retrieved result is positive.
if results_style_gallery_id[t] in gt_gallery_image_id:
which_ind = np.where(gt_gallery_image_id==results_style_gallery_id[t])[0]
crowd = np.zeros(len(which_ind))
iou_style = maskUtils.iou([results_style_gallery_box[t]],gt_gallery_box[which_ind],crowd)
if len(np.where(iou_style>=thresh)[0])>0:
correct_num_1 = correct_num_1 + 1
break
# calculate top-5
for t in range(0,5):
if results_style_gallery_id[t] in gt_gallery_image_id:
which_ind = np.where(gt_gallery_image_id==results_style_gallery_id[t])[0]
crowd = np.zeros(len(which_ind))
iou_style = maskUtils.iou([results_style_gallery_box[t]],gt_gallery_box[which_ind],crowd)
if len(np.where(iou_style >= thresh)[0]) > 0:
correct_num_5 = correct_num_5 + 1
break
# calculate top-10
for t in range(0,10):
if results_style_gallery_id[t] in gt_gallery_image_id:
which_ind = np.where(gt_gallery_image_id==results_style_gallery_id[t])[0]
crowd = np.zeros(len(which_ind))
iou_style = maskUtils.iou([results_style_gallery_box[t]],gt_gallery_box[which_ind],crowd)
if len(np.where(iou_style >= thresh)[0]) > 0:
correct_num_10 = correct_num_10 + 1
break
# calculate top-15
for t in range(0,15):
if results_style_gallery_id[t] in gt_gallery_image_id:
which_ind = np.where(gt_gallery_image_id==results_style_gallery_id[t])[0]
crowd = np.zeros(len(which_ind))
iou_style = maskUtils.iou([results_style_gallery_box[t]],gt_gallery_box[which_ind],crowd)
if len(np.where(iou_style >= thresh)[0]) > 0:
correct_num_15 = correct_num_15 + 1
break
# calculate top-20
for t in range(0,20):
if results_style_gallery_id[t] in gt_gallery_image_id:
which_ind = np.where(gt_gallery_image_id==results_style_gallery_id[t])[0]
crowd = np.zeros(len(which_ind))
iou_style = maskUtils.iou([results_style_gallery_box[t]],gt_gallery_box[which_ind],crowd)
if len(np.where(iou_style >= thresh)[0]) > 0:
correct_num_20 = correct_num_20 + 1
break
else:
miss_num = miss_num + 1
print 'top-1'
print float(correct_num_1)/ query_num
print 'top-5'
print float(correct_num_5)/ query_num
print 'top-10'
print float(correct_num_10)/ query_num
print 'top-15'
print float(correct_num_15)/ query_num
print 'top-20'
print float(correct_num_20)/ query_num