Google Summer of Code 2014

[abid rahman]

Hi Stefan,

1 - I just contacted *Eyal Ofek* from Microsoft Research, one of the
authors of that SWT paper.

*My mail :*




*I am Abid K, a graduate student from India. I have some questions
regarding your paper "Detecting Text in Natural Scenes with Stroke Width
Transform". 1 - Is it patented? 2 - Can I implement it myself and
contribute it to some Open Source image processing libraries like
scikit-image, OpenCV etc?*



*Reply from Eyal*
1.       Yes it is patented.
2.       I believe there are implementations of SWT or a derivative out
there.

*And on asking more details on second question, he replied:*
Your quest6ion is legal, and I cannot answer that - I'll send it to the
people that deals with patents.

2 - Regarding SIMD optimization : Is there any particular reason for less
number of SIMD optimized functions? Other libraries seems to spend a lot of
time on this.

Regards

Abid K.


On Tue, Feb 18, 2014 at 9:34 PM, Stéfan van der Walt <stefan at sun.ac.za>wrote:

> On Tue, Feb 18, 2014 at 5:53 PM, abid rahman <abidrahman2 at gmail.com>
> wrote:
> > So I think SWT is patented, isn't it?
>
> I'm not sure--I would like to contact the researchers in Microsoft to
> get clarity (or perhaps someone would volunteer to do so?)
>
> > I wonder if implementation of this paper is considered to be a GSoC
> project,
> > I would like to work on it.
>
> I think so--the goal is text detection, not to implement any specific
> algorithm (I updated the project description to include this paper).
>
> > Another question : What is the status of SIMD optimization in
> scikit-image?
> > Does Cython support such kind of optimization works? Is there any SIMD
> > optimized functions available in scikit-image?
>
> These are the only vectorized ops we have:
>
>
> https://github.com/scikit-image/scikit-image/blob/master/skimage/_shared/vectorized_ops.h
>
> Stéfan
>
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