| | |
| | | import math |
| | | from math import cos, sin |
| | | |
| | | def plot_pose_cube(img, pose_params, size=150.): |
| | | # pose_params: (pitch, yaw, roll, tdx, tdy) |
| | | # Where (tdx, tdy) is the translation of the face. |
| | | # For pose we have [pitch yaw roll tdx tdy tdz scale_factor] |
| | | |
| | | pitch, yaw, roll, tdx, tdy = pose_params |
| | | |
| | | p = pitch |
| | | y = -yaw |
| | | r = roll |
| | | |
| | | # TODO: probably useless |
| | | # Translation of box depends on head pointing to right or left. |
| | | if y < 0: |
| | | face_x = tdx - 0.50 * size |
| | | face_y = tdy - 0.50 * size |
| | | else: |
| | | face_x = tdx - 0.50 * size |
| | | face_y = tdy - 0.50 * size |
| | | |
| | | x1 = size * (cos(y) * cos(r)) + face_x |
| | | y1 = size * (cos(p) * sin(r) + cos(r) * sin(p) * sin(y)) + face_y |
| | | x2 = size * (-cos(y) * sin(r)) + face_x |
| | | y2 = size * (cos(p) * cos(r) - sin(p) * sin(y) * sin(r)) + face_y |
| | | x3 = size * (sin(y)) + face_x |
| | | y3 = size * (-cos(y) * sin(p)) + face_y |
| | | |
| | | # Draw base in red |
| | | cv2.line(img, (int(face_x), int(face_y)), (int(x1),int(y1)),(255,0,0),3) |
| | | cv2.line(img, (int(face_x), int(face_y)), (int(x2),int(y2)),(255,0,0),3) |
| | | cv2.line(img, (int(x2), int(y2)), (int(x2+x1-face_x),int(y2+y1-face_y)),(255,0,0),3) |
| | | cv2.line(img, (int(x1), int(y1)), (int(x1+x2-face_x),int(y1+y2-face_y)),(255,0,0),3) |
| | | # Draw pillars in blue |
| | | cv2.line(img, (int(face_x), int(face_y)), (int(x3),int(y3)),(0,0,255),2) |
| | | cv2.line(img, (int(x1), int(y1)), (int(x1+x3-face_x),int(y1+y3-face_y)),(0,0,255),2) |
| | | cv2.line(img, (int(x2), int(y2)), (int(x2+x3-face_x),int(y2+y3-face_y)),(0,0,255),2) |
| | | cv2.line(img, (int(x2+x1-face_x),int(y2+y1-face_y)), (int(x3+x1+x2-2*face_x),int(y3+y2+y1-2*face_y)),(0,0,255),2) |
| | | # Draw top in green |
| | | cv2.line(img, (int(x3+x1-face_x),int(y3+y1-face_y)), (int(x3+x1+x2-2*face_x),int(y3+y2+y1-2*face_y)),(0,255,0),2) |
| | | cv2.line(img, (int(x2+x3-face_x),int(y2+y3-face_y)), (int(x3+x1+x2-2*face_x),int(y3+y2+y1-2*face_y)),(0,255,0),2) |
| | | cv2.line(img, (int(x3), int(y3)), (int(x3+x1-face_x),int(y3+y1-face_y)),(0,255,0),2) |
| | | cv2.line(img, (int(x3), int(y3)), (int(x3+x2-face_x),int(y3+y2-face_y)),(0,255,0),2) |
| | | |
| | | return img |
| | | def softmax_temperature(tensor, temperature): |
| | | result = torch.exp(tensor / temperature) |
| | | result = torch.div(result, torch.sum(result, 1).unsqueeze(1).expand_as(result)) |
| | | return result |
| | | |
| | | def get_pose_params_from_mat(mat_path): |
| | | # This functions gets the pose parameters from the .mat |
| | | # Annotations that come with the 300W_LP dataset. |
| | | # Annotations that come with the Pose_300W_LP dataset. |
| | | mat = sio.loadmat(mat_path) |
| | | # [pitch yaw roll tdx tdy tdz scale_factor] |
| | | pre_pose_params = mat['Pose_Para'][0] |
| | |
| | | pose_params = pre_pose_params[:3] |
| | | return pose_params |
| | | |
| | | def get_pt2d_from_mat(mat_path): |
| | | # Get 2D landmarks |
| | | mat = sio.loadmat(mat_path) |
| | | pt2d = mat['pt2d'] |
| | | return pt2d |
| | | |
| | | def mse_loss(input, target): |
| | | return torch.sum(torch.abs(input.data - target.data) ** 2) |
| | | |
| | | def plot_pose_cube(img, yaw, pitch, roll, tdx=None, tdy=None, size=150.): |
| | | # Input is a cv2 image |
| | | # pose_params: (pitch, yaw, roll, tdx, tdy) |
| | | # Where (tdx, tdy) is the translation of the face. |
| | | # For pose we have [pitch yaw roll tdx tdy tdz scale_factor] |
| | | |
| | | p = pitch * np.pi / 180 |
| | | y = -(yaw * np.pi / 180) |
| | | r = roll * np.pi / 180 |
| | | if tdx != None and tdy != None: |
| | | face_x = tdx - 0.50 * size |
| | | face_y = tdy - 0.50 * size |
| | | else: |
| | | height, width = img.shape[:2] |
| | | face_x = width / 2 - 0.5 * size |
| | | face_y = height / 2 - 0.5 * size |
| | | |
| | | x1 = size * (cos(y) * cos(r)) + face_x |
| | | y1 = size * (cos(p) * sin(r) + cos(r) * sin(p) * sin(y)) + face_y |
| | | x2 = size * (-cos(y) * sin(r)) + face_x |
| | | y2 = size * (cos(p) * cos(r) - sin(p) * sin(y) * sin(r)) + face_y |
| | | x3 = size * (sin(y)) + face_x |
| | | y3 = size * (-cos(y) * sin(p)) + face_y |
| | | |
| | | # Draw base in red |
| | | cv2.line(img, (int(face_x), int(face_y)), (int(x1),int(y1)),(0,0,255),3) |
| | | cv2.line(img, (int(face_x), int(face_y)), (int(x2),int(y2)),(0,0,255),3) |
| | | cv2.line(img, (int(x2), int(y2)), (int(x2+x1-face_x),int(y2+y1-face_y)),(0,0,255),3) |
| | | cv2.line(img, (int(x1), int(y1)), (int(x1+x2-face_x),int(y1+y2-face_y)),(0,0,255),3) |
| | | # Draw pillars in blue |
| | | cv2.line(img, (int(face_x), int(face_y)), (int(x3),int(y3)),(255,0,0),2) |
| | | cv2.line(img, (int(x1), int(y1)), (int(x1+x3-face_x),int(y1+y3-face_y)),(255,0,0),2) |
| | | cv2.line(img, (int(x2), int(y2)), (int(x2+x3-face_x),int(y2+y3-face_y)),(255,0,0),2) |
| | | cv2.line(img, (int(x2+x1-face_x),int(y2+y1-face_y)), (int(x3+x1+x2-2*face_x),int(y3+y2+y1-2*face_y)),(255,0,0),2) |
| | | # Draw top in green |
| | | cv2.line(img, (int(x3+x1-face_x),int(y3+y1-face_y)), (int(x3+x1+x2-2*face_x),int(y3+y2+y1-2*face_y)),(0,255,0),2) |
| | | cv2.line(img, (int(x2+x3-face_x),int(y2+y3-face_y)), (int(x3+x1+x2-2*face_x),int(y3+y2+y1-2*face_y)),(0,255,0),2) |
| | | cv2.line(img, (int(x3), int(y3)), (int(x3+x1-face_x),int(y3+y1-face_y)),(0,255,0),2) |
| | | cv2.line(img, (int(x3), int(y3)), (int(x3+x2-face_x),int(y3+y2-face_y)),(0,255,0),2) |
| | | |
| | | return img |
| | | |
| | | def draw_axis(img, yaw, pitch, roll, tdx=None, tdy=None, size = 100): |
| | | |
| | | pitch = pitch * np.pi / 180 |
| | | yaw = -(yaw * np.pi / 180) |
| | | roll = roll * np.pi / 180 |
| | | |
| | | if tdx != None and tdy != None: |
| | | tdx = tdx |
| | | tdy = tdy |
| | | else: |
| | | height, width = img.shape[:2] |
| | | tdx = width / 2 |
| | | tdy = height / 2 |
| | | |
| | | # X-Axis pointing to right. drawn in red |
| | | x1 = size * (cos(yaw) * cos(roll)) + tdx |
| | | y1 = size * (cos(pitch) * sin(roll) + cos(roll) * sin(pitch) * sin(yaw)) + tdy |
| | | |
| | | # Y-Axis | drawn in green |
| | | # v |
| | | x2 = size * (-cos(yaw) * sin(roll)) + tdx |
| | | y2 = size * (cos(pitch) * cos(roll) - sin(pitch) * sin(yaw) * sin(roll)) + tdy |
| | | |
| | | # Z-Axis (out of the screen) drawn in blue |
| | | x3 = size * (sin(yaw)) + tdx |
| | | y3 = size * (-cos(yaw) * sin(pitch)) + tdy |
| | | |
| | | cv2.line(img, (int(tdx), int(tdy)), (int(x1),int(y1)),(0,0,255),3) |
| | | cv2.line(img, (int(tdx), int(tdy)), (int(x2),int(y2)),(0,255,0),3) |
| | | cv2.line(img, (int(tdx), int(tdy)), (int(x3),int(y3)),(255,0,0),2) |
| | | |
| | | return img |