Hi Nicolas On Wed, Sep 19, 2012 at 4:10 AM, Nicolas Barthe <lordnio101@gmail.com> wrote:

I'm trying to use scikits-image to apply an homography to a color image.

You should see a factor 2 or so speedup in the latest version of skimage. On my older machine, with the following code, I get roughly 0.3 seconds. Do you require a nearer to real-time response? If you switch of bi-linear interpolation, you can shave off another 25% or so. Regards Stéfan from skimage import transform import numpy as np import datetime image = np.random.random((1280, 720, 3)) (x_scale,y_scale)=(1.05,1.1) (x_skew,y_skew)=(0.31e-3,0) S = np.array([[x_scale, 0, 0], [0, y_scale, 0], [x_skew, y_skew, 1]]) p = transform.ProjectiveTransform(S) t1 = datetime.datetime.now() transform.warp(image, inverse_map=p.inverse) t2 = datetime.datetime.now() print t2 - t1