RE: webcam security software

Re: webcam security software

Re: webcam security software

On Wed, Aug 01, 2007 at 08:58:48AM +0200, Ohad.Levy@... wrote:

> I think the whole point is to be able to record only when something is
> different in the frame.....

Actually in my case, not. Being able to record one frame a minute
is good enough. It's just to catch people doing things they should
not be doing, such as eating in the library. Motion detection would
be a waste, during school hours the cameras always see motion. 

After hours would be different, but again just a record of someone
being there would be enough.

Geoff.

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Re: webcam security software

Re: webcam security software

On Wed, Aug 01, 2007 at 07:02:26PM +1000, Amos Shapira wrote:
> I might be wrong but I got the impression that at least some of those
> "motion detection" programs are geared more towards "change in frame" - i.e.
> if the current frame contains exactly the same info as the previous one then
> toss it. It saves both space/bandwidth (e.g. the English guy who caught a
> burglar a few years ago by streaming webcam over the net from his apartment)
> as well as your time looking for the interesting frames.

For the case I need, it would be only useful part of the time.

Most of the time there is activity, it is normal activity and does
not need to be recorded except for historical purposes, such as
finding a crust of bread under a chair and trying to find out
who was eating it. Determining that it was someone eating and not
someone reading, or doing their homework or moving their hands while
talking is probably far beyond anything available,

During off hours, it would be useful to record at one frame a second,
so that would give you 2 minutes of video an hour. Not a lot to watch
if it was needed to determine who was present. There is no need for
detailed videos of someone emptying trash cans, washing the floor,
etc, and even if something nefarious was commited a video record of
their presence is enough.

IMHO the knowledge that the cameras are active 24/7 and recorded would
be enough to prevent pranks or minor vandalism.

Geoff.
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Re: webcam security software

Geoffrey S. Mendelson wrote:
>
> IMHO the knowledge that the cameras are active 24/7 and recorded would
> be enough to prevent pranks or minor vandalism.
>
> Geoff.
>   
I suggest you read http://blog.shemesh.biz/?p=453

Shachar

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Re: webcam security software

On Wed, Aug 01, 2007 at 01:27:22PM +0300, Shachar Shemesh wrote:
> I suggest you read http://blog.shemesh.biz/?p=453

Thanks, but I can't. 

Geoff.
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Re: webcam security software

Geoffrey S. Mendelson wrote:
> On Wed, Aug 01, 2007 at 01:27:22PM +0300, Shachar Shemesh wrote:
>   
>> I suggest you read http://blog.shemesh.biz/?p=453
>>     
>
> Thanks, but I can't. 
>
> Geoff.
>   
In a nutshell, it talks about the importance of both resolution and
frames per second in order to actually identify who the ! <at> #($! <at>  is in
that picture.

Shachar

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[HAIFUX Lecture] Introduction to Sockets Programming by Guy Keren

Next Monday, 6th of August, at 18:30 the Haifa Linux Club, will gather to
hear Guy Keren's inspiring talk about

                       Introduction to Socket Programming

The lecture will cover the basic ideas behind sockets, TCP/IP, and all
that needed to understand the basics of programming applications that
run over the net.

Slides are available online at http://www.haifux.org/lectures/171/

======================================================================

We meet in Taub building, room 3. For instructions see:
http://www.haifux.org/where.html

Attendance is free, and you are all invited!

======================================================================

Future Lectures:

172  	Linux Kernel Networking Overview 	Rami Rosen  	20/8/2007  	
173 	An overview of Haskell part II               Haggai Eran 	3/9/2007

We are always looking for interesting lectures. If you wish to contribute  a
lecture to the 2007 lecture season - drop us a line at webmaster@...

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Stupid question about Fedora mirrors

According to http://mirrors.fedoraproject.org/publiclist

There are no public mirrors of Fedora in Israel. Is that true?

Thanks, Geoff.
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Geoffrey S. Mendelson, Jerusalem, Israel gsm@...  N3OWJ/4X1GM
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