Created
December 1, 2019 12:52
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def showpoints(image,keypoints): | |
plt.figure() | |
keypoints = keypoints.data.numpy() | |
keypoints = keypoints * 60.0 + 68 | |
keypoints = np.reshape(keypoints, (68, -1)) | |
plt.imshow(image, cmap='gray') | |
plt.scatter(keypoints[:, 0], keypoints[:, 1], s=50, marker='.', c='r') | |
from torch.autograd import Variable | |
image_copy = np.copy(image) | |
# loop over the detected faces from your haar cascade | |
for (x,y,w,h) in faces: | |
# Select the region of interest that is the face in the image | |
roi = image_copy[y:y+h,x:x+w] | |
## TODO: Convert the face region from RGB to grayscale | |
roi = cv2.cvtColor(roi, cv2.COLOR_RGB2GRAY) | |
image = roi | |
## TODO: Normalize the grayscale image so that its color range falls in [0,1] instead of [0,255] | |
roi = roi/255.0 | |
## TODO: Rescale the detected face to be the expected square size for your CNN (224x224, suggested) | |
roi = cv2.resize(roi, (224,224)) | |
## TODO: Reshape the numpy image shape (H x W x C) into a torch image shape (C x H x W) | |
roi = np.expand_dims(roi, 0) | |
roi = np.expand_dims(roi, 0) | |
## TODO: Make facial keypoint predictions using your loaded, trained network | |
roi_torch = Variable(torch.from_numpy(roi)) | |
roi_torch = roi_torch.type(torch.FloatTensor) | |
keypoints = net(roi_torch) | |
## TODO: Display each detected face and the corresponding keypoints | |
showpoints(image,keypoints) |
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