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Hi Sarthak,<br>
<br>
Thanks for submitting your proposal. Proposals are frozen at this
point. <br>
Right now we're completing ranking and waiting for Google to assign
slots. <br>
<br>
<pre class="moz-signature" cols="72">Best regards,
Dmitry</pre>
<div class="moz-cite-prefix">06.04.2016 14:49, sarthak agarwal
пишет:<br>
</div>
<blockquote
cite="mid:CAPwn9cy_Ev=XSockrBkpXyrfKQmqS9eWMeTfya922KbGzpFX8A@mail.gmail.com"
type="cite">
<div dir="ltr">
<div>Hello Dmitry,</div>
<div><br>
</div>
<div>As you know I did submit the proposal on the GSoC portal
but there has been no discussion of any kind. </div>
<div>I also completed my GSoC task(fixed the bug) on time.</div>
<div><br>
</div>
<div>So I request you to kindly review my proposal once and
provide your feedback. I will make the necessary changes or if
you want to change the idea and implementation we can work on
that also.</div>
<div>I am really interested in applying for the program and
contibuting to gdal.<br>
</div>
<div><br>
</div>
<div>Regards,</div>
<div>Sarthak</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Sat, Mar 26, 2016 at 12:13 AM,
sarthak agarwal <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:sarthak0415@gmail.com" target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:sarthak0415@gmail.com">sarthak0415@gmail.com</a></a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0px 0px 0px
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div dir="ltr">I have submitted the proposal, please check
it once and provide your feedback.<span><font
color="#888888">
<div><br>
</div>
<div>Sarthak</div>
</font></span></div>
<div>
<div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Fri, Mar 25, 2016 at
2:01 PM, Dmitry Baryshnikov <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:bishop.dev@gmail.com"
target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:bishop.dev@gmail.com">bishop.dev@gmail.com</a></a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0px
0px 0px
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF"><span> Hi
Sarthak,<br>
<br>
Thank you for you note, but I already wrote:<br>
<br>
</span><span> > Don't wait for anybody
with proposal. The new GSoC site is right
place to discuss proposals.<br>
<br>
</span><span> So I expected to see and
comment, if needed, your proposal on this
site. Let me remind you the site - <a
moz-do-not-send="true"
href="https://summerofcode.withgoogle.com/"
target="_blank"><a class="moz-txt-link-freetext" href="https://summerofcode.withgoogle.com/">https://summerofcode.withgoogle.com/</a></a>
<pre cols="72">Best regards,
Dmitry</pre>
<div>25.03.2016 10:17, sarthak agarwal
пишет:<br>
</div>
</span>
<blockquote type="cite">
<div dir="ltr">
<div class="gmail_extra">The deadline is
today.</div>
<div>
<div>
<div class="gmail_extra"><br>
</div>
<div class="gmail_extra">Sarthak</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Thu, Mar
24, 2016 at 1:52 AM, sarthak
agarwal <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:sarthak0415@gmail.com"
target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:sarthak0415@gmail.com">sarthak0415@gmail.com</a></a>></span>
wrote:<br>
<blockquote class="gmail_quote"
style="margin:0px 0px 0px
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
<div dir="ltr">
<div>
<p style="margin:0px 0px
1.2em!important">Hello
Dmitry,</p>
<p style="margin:0px 0px
1.2em!important">I fixed
the bug (I guess).<br>
Now coming to my proposal
for GSoC, So I was
thinking of working on
project #4 <b>Auto-detection
of EPSG codes from
incomplete WKT.</b></p>
<p style="margin:0px 0px
1.2em!important">What I
understood from the
project is that we need to
predict the EPSG code of
certain files on the basis
of some attributes which
are available in the file.</p>
<p style="margin:0px 0px
1.2em!important">The
attributes can be
extracted from the file
for which I read <a
moz-do-not-send="true"
href="http://www.gdal.org/osr_tutorial.html#querying_coordinate_system"
target="_blank">this</a>.</p>
<p style="margin:0px 0px
1.2em!important">Now to
solve this problem I
thought a lot of methods
but I think the best way
to solve it will be using
machine learning.</p>
<p style="margin:0px 0px
1.2em!important">The way
ML will handle this
problem is as follows-</p>
<ol style="margin:1.2em
0px;padding-left:2em">
<li style="margin:0.5em
0px">We need to find the
EPSG code for a file
(testing data)</li>
<li style="margin:0.5em
0px">We have a file with
some attributes
(projections,datum,etc
).</li>
<li style="margin:0.5em
0px">We need to the
guess the best suitable
class for that
file(EPSG)</li>
<li style="margin:0.5em
0px">Also, we have many
files for which we know
the attributes and the
corresponding class
(training data).</li>
</ol>
<p style="margin:0px 0px
1.2em!important">This
problem is now translated
into an ML problem which
can be solved using the
following models-</p>
<p style="margin:0px 0px
1.2em!important">1. <a
moz-do-not-send="true"
href="https://en.wikipedia.org/wiki/Posterior_probability"
target="_blank">Bayesian
Stastics</a></p>
<div>
<blockquote
style="margin:0px 0px
0px
40px;border:none;padding:0px">
<div>where,</div>
<div>posteriror
probability =
probability of this
file have EPSG code
'a'.</div>
<div>prior probability =
probability of
occurence of EPSG code
'a'.</div>
</blockquote>
</div>
<div>
<blockquote
style="margin:0px 0px
0px
40px;border:none;padding:0px">likelihood
probablity = cases where
we saw such attributes
when the EPSG code is
'a'.<br>
</blockquote>
<div><br>
</div>
2. or we can use a simple
knn where k is the number
of possible EPSG code and
the dimension of the
feature vector is the
number of possible
attributes. we need to the
find a valid and promising
weight function).<br>
</div>
<p style="margin:0px 0px
1.2em!important"><br>
</p>
<p style="margin:0px 0px
1.2em!important">3. We can
use multi-class SVM.</p>
<p style="margin:0px 0px
1.2em!important">4. any
other suggestion from the
community regarding the
possible choice of the
algo.</p>
<p style="margin:0px 0px
1.2em!important">I am
thinking of actually
implementing all these
algo(may add algo in
future depending upon the
suggestion) and select the
algo which gives the best
performance among all of
them.</p>
<p style="margin:0px 0px
1.2em!important">Please
provide me feedback on my
proposal and suggestion if
I can add/change anything.<br>
And since very less time
is left in the deadline, I
would like to convert it
into proposal ASAP with
your help.</p>
<p style="margin:0px 0px
1.2em!important">Regards,<br>
Sarthak</p>
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