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3D points are now normalized by reference sizes.

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This commit is contained in:
Emiliana 2020-03-01 22:27:50 +01:00
parent f25f27f1c4
commit 0c84f50672
1 changed files with 13 additions and 0 deletions
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13
tracker.py
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@ -311,6 +311,13 @@ class FaceInfo():
if self.conf < 0.4 or self.pnp_error > 300:
return
norm = np.array([
((self.pts_3d[0, 0] - self.pts_3d[16, 0]) + (self.pts_3d[1, 0] - self.pts_3d[15, 0])) / 2.0,
((self.pts_3d[27, 1] - self.pts_3d[28, 1]) + (self.pts_3d[28, 1] - self.pts_3d[29, 1])) / 2.0,
np.max(self.pts_3d[0:66, 2]) - np.min(self.pts_3d[0:66, 2])
])
self.pts_3d = (self.pts_3d / norm) * self.tracker.norm
self.current_features = self.features.update(self.pts_3d[:, 0:2])
self.eye_blink = []
self.eye_blink.append(1 - min(max(0, -self.current_features["eye_r"]), 1))
@ -525,6 +532,12 @@ class Tracker():
[-0.25799, 0.27608, -0.24967],
], np.float32) * np.array([1.0, 1.0, 1.3])
self.norm = np.array([
((self.face_3d[0, 0] - self.face_3d[16, 0]) + (self.face_3d[1, 0] - self.face_3d[15, 0])) / 2.0,
((self.face_3d[27, 1] - self.face_3d[28, 1]) + (self.face_3d[28, 1] - self.face_3d[29, 1])) / 2.0,
np.max(self.face_3d[0:66, 2]) - np.min(self.face_3d[0:66, 2])
])
self.camera = np.array([[width, 0, width/2], [0, width, height/2], [0, 0, 1]], np.float32)
self.inverse_camera = np.linalg.inv(self.camera)
self.dist_coeffs = np.zeros((4,1))