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test.py
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import numpy as np
import time
def nms_cpu(boxes, confs, nms_thresh=0.5, min_mode=False):
# print(boxes.shape)
x1 = boxes[:, 0]
y1 = boxes[:, 1]
x2 = boxes[:, 2]
y2 = boxes[:, 3]
areas = (x2 - x1) * (y2 - y1)
order = confs.argsort()[::-1]
keep = []
while order.size > 0:
idx_self = order[0]
idx_other = order[1:]
keep.append(idx_self)
xx1 = np.maximum(x1[idx_self], x1[idx_other])
yy1 = np.maximum(y1[idx_self], y1[idx_other])
xx2 = np.minimum(x2[idx_self], x2[idx_other])
yy2 = np.minimum(y2[idx_self], y2[idx_other])
w = np.maximum(0.0, xx2 - xx1)
h = np.maximum(0.0, yy2 - yy1)
inter = w * h
if min_mode:
over = inter / np.minimum(areas[order[0]], areas[order[1:]])
else:
over = inter / (areas[order[0]] + areas[order[1:]] - inter)
inds = np.where(over <= nms_thresh)[0]
order = order[inds + 1]
return np.array(keep)
def post_processing(img, conf_thresh, nms_thresh, output):
# anchors = [12, 16, 19, 36, 40, 28, 36, 75, 76, 55, 72, 146, 142, 110, 192, 243, 459, 401]
# num_anchors = 9
# anchor_masks = [[0, 1, 2], [3, 4, 5], [6, 7, 8]]
# strides = [8, 16, 32]
# anchor_step = len(anchors) // num_anchors
# [batch, num, 1, 4]
box_array = output[0]
# [batch, num, num_classes]
confs = output[1]
t1 = time.time()
if type(box_array).__name__ != 'ndarray':
box_array = box_array.cpu().detach().numpy()
confs = confs.cpu().detach().numpy()
num_classes = confs.shape[2]
# [batch, num, 4]
box_array = box_array[:, :, 0]
# [batch, num, num_classes] --> [batch, num]
max_conf = np.max(confs, axis=2)
max_id = np.argmax(confs, axis=2)
t2 = time.time()
bboxes_batch = []
for i in range(box_array.shape[0]):
argwhere = max_conf[i] > conf_thresh
l_box_array = box_array[i, argwhere, :]
l_max_conf = max_conf[i, argwhere]
l_max_id = max_id[i, argwhere]
bboxes = []
# nms for each class
for j in range(num_classes):
cls_argwhere = l_max_id == j
ll_box_array = l_box_array[cls_argwhere, :]
ll_max_conf = l_max_conf[cls_argwhere]
ll_max_id = l_max_id[cls_argwhere]
keep = nms_cpu(ll_box_array, ll_max_conf, nms_thresh)
if (keep.size > 0):
ll_box_array = ll_box_array[keep, :]
ll_max_conf = ll_max_conf[keep]
ll_max_id = ll_max_id[keep]
for k in range(ll_box_array.shape[0]):
bboxes.append([ll_box_array[k, 0], ll_box_array[k, 1], ll_box_array[k, 2], ll_box_array[k, 3], ll_max_conf[k], ll_max_conf[k], ll_max_id[k]])
bboxes_batch.append(bboxes)
t3 = time.time()
print('-----------------------------------')
print(' max and argmax : %f' % (t2 - t1))
print(' nms : %f' % (t3 - t2))
print('Post processing total : %f' % (t3 - t1))
print('-----------------------------------')
return bboxes_batch
def test_yolo_model():
import torch
from models.DwgKeyPointsYolov4 import DwgKeyPointsYolov4
import config
model = DwgKeyPointsYolov4(max_points=30).to(config.device)
model.train()
res = None
for i in range(100):
imgs = torch.rand([8, 3, 128, 128]).to(config.device)
out = model(imgs)
if res is None:
res = out
else:
res = torch.cat([res, out])
#plot_batch_grid(
# input_images=imgs,
# true_keypoints=None,
# predictions=out,
# plot_save_file=f'runs/debug_{i}.png')
print(torch.min(res).item())
print(torch.mean(res).item())
print(torch.max(res).item(), '\n')
def test_rcnn():
from DwgKeyPointRcnn import get_keypoint_rcnn
model = get_keypoint_rcnn()
model.eval()
x = [torch.rand(3, 300, 400), torch.rand(3, 500, 400)]
predictions = model(x)
print(predictions)
if __name__ == "__main__":
#test_yolo_model()
test_rcnn()