hough ellipse fit inaccurate?

[Johannes Schoenberger]

I just looked at it, and it seems like this is caused by canny - you probably want to focus on optimizing that part. (0.4px error is also not that bad)

> On Mar 7, 2015, at 2:48 PM, Arno Dietz <arnodietz86 at googlemail.com> wrote:
> 
> Hm I don't know. Do you have the file "true_coords.pickle" in the directory? So I think the simplest way is to post the true coordinates here so you can just copy and paste instead of loading it.
> 
> true_coords = np.float32([[116.16552734, 56.91558838],
> [119.50671387, 50.36520386],
> [120.07568359, 47.97659302],
> [118.15393066, 51.35003662],
> [113.87670898, 58.54443359],
> [115.45068359, 67.83599854],
> [121.19805908, 61.79907227],
> [122.86755371, 58.47949219],
> [122.07769775, 59.83483887],
> [117.28759766, 65.25402832],
> [118.67297363, 74.89511108],
> [123.27319336, 70.87173462],
> [124.70935059, 69.62966919],
> [122.70861816, 70.76901245],
> [116.82958984, 76.34967041],
> [118.11944580, 85.86563110],
> [124.74987793, 82.02990723],
> [127.60803223, 80.19348145],
> [125.04113770, 81.24456787],
> [120.22363281, 83.61611938],
> [122.88574219, 93.01083374],
> [128.35363770, 91.51263428],
> [129.56744385, 89.71978760],
> [126.35644531, 92.14715576],
> [120.37841797, 93.98809814]])
> 
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