From 18a21d4b07c581a8954b08518115fb035c712b28 Mon Sep 17 00:00:00 2001
From: natanielruiz <nataniel777@hotmail.com>
Date: 星期二, 08 八月 2017 07:34:09 +0800
Subject: [PATCH] Added new correct cropping for training and smoothing for video.
---
code/utils.py | 42 +++++++++++++++++++++++-------------------
1 files changed, 23 insertions(+), 19 deletions(-)
diff --git a/code/utils.py b/code/utils.py
index abba4f3..1e37045 100644
--- a/code/utils.py
+++ b/code/utils.py
@@ -7,25 +7,23 @@
import math
from math import cos, sin
-def plot_pose_cube(img, pose_params, size=150.):
+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]
- pitch, yaw, roll, tdx, tdy = pose_params
+ p = pitch * np.pi / 180
+ y = -(yaw * np.pi / 180)
+ r = roll * np.pi / 180
- p = pitch
- y = -yaw
- r = roll
-
- # TODO: probably useless
- # Translation of box depends on head pointing to right or left.
- if y < 0:
+ if tdx != None and tdy != None:
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
+ 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
@@ -35,15 +33,15 @@
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)
+ 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)),(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)
+ 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)
@@ -72,5 +70,11 @@
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)
--
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