From 2eb13d63b15a8ac908d6fa324c7f3d19141ca570 Mon Sep 17 00:00:00 2001
From: natanielruiz <nataniel777@hotmail.com>
Date: 星期六, 12 八月 2017 08:57:15 +0800
Subject: [PATCH] Temperature softmax and 10 shape PCA regression.
---
code/test_resnet_bins.py | 43 ++++++++++++++++++++++++-------------------
1 files changed, 24 insertions(+), 19 deletions(-)
diff --git a/code/test_resnet_bins.py b/code/test_resnet_bins.py
index cfc3dc5..4b1a655 100644
--- a/code/test_resnet_bins.py
+++ b/code/test_resnet_bins.py
@@ -42,13 +42,15 @@
args = parse_args()
cudnn.enabled = True
- batch_size = 1
gpu = args.gpu_id
snapshot_path = os.path.join('output/snapshots', args.snapshot + '.pkl')
- # ResNet50 with 3 outputs.
- # model = hopenet.Hopenet(torchvision.models.resnet.Bottleneck, [3, 4, 6, 3], 66)
- model = hopenet.Hopenet(torchvision.models.resnet.BasicBlock, [2, 2, 2, 2], 66)
+ # ResNet101 with 3 outputs.
+ # model = hopenet.Hopenet(torchvision.models.resnet.Bottleneck, [3, 4, 23, 3], 66)
+ # ResNet50
+ model = hopenet.Hopenet(torchvision.models.resnet.Bottleneck, [3, 4, 6, 3], 66)
+ # ResNet18
+ # model = hopenet.Hopenet(torchvision.models.resnet.BasicBlock, [2, 2, 2, 2], 66)
print 'Loading snapshot.'
# Load snapshot
@@ -63,7 +65,7 @@
pose_dataset = datasets.AFLW2000_binned(args.data_dir, args.filename_list,
transformations)
test_loader = torch.utils.data.DataLoader(dataset=pose_dataset,
- batch_size=batch_size,
+ batch_size=args.batch_size,
num_workers=2)
model.cuda(gpu)
@@ -85,12 +87,14 @@
pitch_error = .0
roll_error = .0
+ l1loss = torch.nn.L1Loss(size_average=False)
+
for i, (images, labels, name) in enumerate(test_loader):
images = Variable(images).cuda(gpu)
total += labels.size(0)
- label_yaw = labels[:,0]
- label_pitch = labels[:,1]
- label_roll = labels[:,2]
+ label_yaw = labels[:,0].float()
+ label_pitch = labels[:,1].float()
+ label_roll = labels[:,2].float()
yaw, pitch, roll = model(images)
@@ -99,19 +103,19 @@
_, pitch_bpred = torch.max(pitch.data, 1)
_, roll_bpred = torch.max(roll.data, 1)
- yaw_predicted = F.softmax(yaw)
- pitch_predicted = F.softmax(pitch)
- roll_predicted = F.softmax(roll)
-
# Continuous predictions
- yaw_predicted = torch.sum(yaw_predicted.data[0] * idx_tensor)
- pitch_predicted = torch.sum(pitch_predicted.data[0] * idx_tensor)
- roll_predicted = torch.sum(roll_predicted.data[0] * idx_tensor)
+ yaw_predicted = utils.softmax_temperature(yaw.data, 1)
+ pitch_predicted = utils.softmax_temperature(pitch.data, 1)
+ roll_predicted = utils.softmax_temperature(roll.data, 1)
+
+ yaw_predicted = torch.sum(yaw_predicted * idx_tensor, 1).cpu()
+ pitch_predicted = torch.sum(pitch_predicted * idx_tensor, 1).cpu()
+ roll_predicted = torch.sum(roll_predicted * idx_tensor, 1).cpu()
# Mean absolute error
- yaw_error += abs(yaw_predicted - label_yaw[0]) * 3
- pitch_error += abs(pitch_predicted - label_pitch[0]) * 3
- roll_error += abs(roll_predicted - label_roll[0]) * 3
+ yaw_error += torch.sum(torch.abs(yaw_predicted - label_yaw) * 3)
+ pitch_error += torch.sum(torch.abs(pitch_predicted - label_pitch) * 3)
+ roll_error += torch.sum(torch.abs(roll_predicted - label_roll) * 3)
# Binned Accuracy
# for er in xrange(n_margins):
@@ -122,13 +126,14 @@
# print label_yaw[0], yaw_bpred[0,0]
# Save images with pose cube.
+ # TODO: fix for larger batch size
if args.save_viz:
name = name[0]
cv2_img = cv2.imread(os.path.join(args.data_dir, name + '.jpg'))
#print os.path.join('output/images', name + '.jpg')
#print label_yaw[0] * 3 - 99, label_pitch[0] * 3 - 99, label_roll[0] * 3 - 99
#print yaw_predicted * 3 - 99, pitch_predicted * 3 - 99, roll_predicted * 3 - 99
- utils.plot_pose_cube(cv2_img, yaw_predicted * 3 - 99, pitch_predicted * 3 - 99, roll_predicted * 3 - 99)
+ utils.plot_pose_cube(cv2_img, yaw_predicted[0] * 3 - 99, pitch_predicted[0] * 3 - 99, roll_predicted[0] * 3 - 99)
cv2.imwrite(os.path.join('output/images', name + '.jpg'), cv2_img)
print('Test error in degrees of the model on the ' + str(total) +
--
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