changeset 217:ba71924cadf5

added comment/TODO
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Thu, 21 Jun 2012 15:18:41 -0400
parents 51acf43e421a
children b5772df11b37
files python/compute-homography.py
diffstat 1 files changed, 41 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- a/python/compute-homography.py	Thu Jun 21 00:57:26 2012 -0400
+++ b/python/compute-homography.py	Thu Jun 21 15:18:41 2012 -0400
@@ -11,6 +11,47 @@
 options, args = getopt.getopt(sys.argv[1:], 'h',['help','video_frame='])
 options = dict(options)
 
+# TODO process camera intrinsic and extrinsic parameters to obtain image to world homography, taking example from Work/src/python/generate-homography.py script
+# cameraMat = load(videoFilenamePrefix+'-camera.txt');
+# T1 = cameraMat[3:6,:].copy();
+# A = cameraMat[0:3,0:3].copy();
+
+# # pay attention, rotation may be the transpose
+# # R = T1[:,0:3].T;
+# R = T1[:,0:3];
+# rT = dot(R, T1[:,3]/1000);
+# T = zeros((3,4),'f');
+# T[:,0:3] = R[:];
+# T[:,3] = rT;
+
+# AT = dot(A,T);
+
+# nPoints = 4;
+# worldPoints = cvCreateMat(nPoints, 3, CV_64FC1);
+# imagePoints = cvCreateMat(nPoints, 3, CV_64FC1);
+
+# # extract homography from the camera calibration
+# worldPoints = cvCreateMat(4, 3, CV_64FC1);
+# imagePoints = cvCreateMat(4, 3, CV_64FC1);
+
+# worldPoints[0,:] = [[1, 1, 0]];
+# worldPoints[1,:] = [[1, 2, 0]];
+# worldPoints[2,:] = [[2, 1, 0]];
+# worldPoints[3,:] = [[2, 2, 0]];
+
+# wPoints = [[1,1,2,2],
+#            [1,2,1,2],
+#            [0,0,0,0]];
+# iPoints = utils.worldToImage(AT, wPoints);
+
+# for i in range(nPoints):
+#     imagePoints[i,:] = [iPoints[:,i].tolist()];
+
+# H = cvCreateMat(3, 3, CV_64FC1);
+
+# cvFindHomography(imagePoints, worldPoints, H);
+
+
 if '--help' in options.keys() or '-h' in options.keys():
     print('''The argument should be the name of a file containing at least 4 non-colinear point coordinates:
  - the first two lines are the x and y coordinates in the projected space (usually world space)