RE: Face Detection and other Vision Processing (and some sample code) were
you testing on a machine or in an emulator? the olpc must have some wicked
python optimizations to get that don to .25seconds how much data were you
working with?
2008/3/20 <[EMAIL PROTECTED]>:
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> Today's Topics:
>
> 1. Face Detection and other Vision Processing (and some sample
> code) (Nirav Patel)
> 2. SoC: Language Learning Activity (Steven Mohr)
> 3. Assorted Data on the Quality of our Networking, Presence, and
> Read Sharing Capabilities (Michael Stone)
> 4. New joyride build 1784 (Build Announcer v2)
> 5. python programming assist. (Aaron Konstam)
> 6. Re: Face Detection and other Vision Processing (and some
> sample code) (karl)
> 7. New faster build 1785 (Build Announcer v2)
> 8. Re: Face Detection and other Vision Processing (and some
> sample code) (Chris Hager)
> 9. Re: Face Detection and other Vision Processing (and some
> sample code) (Nirav Patel)
>
>
> -- Forwarded message --
> From: "Nirav Patel" <[EMAIL PROTECTED]>
> To: devel@lists.laptop.org
> Date: Thu, 20 Mar 2008 12:18:39 -0400
> Subject: Face Detection and other Vision Processing (and some sample code)
> I've been playing with vision processing stuff for the XO, mostly
> using OpenCV. I have some sample code up at
> http://eclecti.cc/code/face-detection-on-the-olpc-xo that does face
> detection surprisingly quickly. It seems that the bottleneck isn't
> even the OpenCV Haar Cascade algorithm, but the time it takes to
> initialize the v4l2 drivers.
>
> The code I wrote is just basic proof of concept stuff, but there are
> some amazing possibilities involved in vision processing, like
> recognizing sign language and gestures, drawing in air, playing motion
> based games, and even identifying plants and wildlife.
>
> If anyone is interested, I'd like to start developing an Activity that
> uses face/object detection for something more fun or useful. I'm new
> to Python and OLPC development, so I could use some help.
> Alternately, I am a student, so if anyone is interested in mentoring
> this as a possible Summer of Code project, that would be great.
>
>
>
> -- Forwarded message --
> From: "Steven Mohr" <[EMAIL PROTECTED]>
> To:
> Date: Thu, 20 Mar 2008 17:20:56 +0100
> Subject: SoC: Language Learning Activity
> Hi,
> my name is Steven Mohr. I study computer science dual at the BA Mannheim (
> www3.ba-mannheim.de) in Mannheim, Germany. This is a 1:1 combination
> of "normal" studies and working in a company. Instead of having vacation I'm
> working at the German Aerospace Center (DLR) in the department for software
> and simulation technology (http://www.dlr.de/sc/en/desktopdefault.aspx).
> I've already have at bit experience in an open source projects. I
> participated for the DLR in an open source project called catacomb (
> http://catacomb.tigris.org/).
> I would like to work at the Language Learning Activity. I've looked at
> the Lingoteach app and it seems to be a good basic for a port to
> XO. Lingoteach has already language files and even spoken examples. I would
> like to port it to Python. There's a C library which implements access to
> the language files so what we could reuse them. So my question is: Who is
> mentoring this task that I can talk about details?
>
> Steven
>
>
> -- Forwarded message --
> From: Michael Stone <[EMAIL PROTECTED]>
> To: devel@lists.laptop.org
> Date: Thu, 20 Mar 2008 13:41:42 -0400
> Subject: Assorted Data on the Quality of our Networking, Presence, and
> Read Sharing Capabilities
> Friends,
>
> Chris Ball and I spend several hours last night measuring the behavior
> of Read sharing. The data we collected are reproduced below.
>
> Michael
>
>
>
>
>
> A Fragment of the Critical Path for Successful Read Sharing
>
>
>
> This chart was created based on general knowledge of the Telepathy, Sugar
> Presence Service, Sugar python libraries, and the Read source code at
>
>
> http://dev.laptop.org/git?p=projects/read-activity;a=blob;f=readactivity.py;hb=HEAD
>
>
> *
> |
> XOs join the network |
> |
> |
> *
> |
> Read is started on|
> the "sharer" |
> |
> /--*--\
> /
