From: Claudio Pozzi <smtp01@email.it>
To: rsgb_lf_group@blacksheep.org
Date: Mon, 12 Jan 2015 16:11:48 +0100
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References: <54B10878.10172.535233@mike.dennison.ntlworld.com>
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Subject: Re: LF: Opera improving
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On Saturday, January 10, 2015 12:09:44 you wrote:
> There is a British saying "Don't throw the baby out with the 
> bathwater". Amongst the criticism of false decodes (which I have been 
> part of), we must not forget that Opera is now more sensitive - the 
> equivalent of doubling everybody's power - which must be good. This 
> has led to many more good DX decodes.
> 
> Now, in response to suggestions from users, the writers have modified 
> the program to flag up decodes that might be suspicious, which is 
> what OPDS does (but in a different way). Used with caution, this will 
> address most of the problems experienced with the launch version. 
> 
> The controversial PDF file has also been dropped from the zip file.
> 
> Deep Search, originally developed by DF6NM, has always involved 
> "guesswork", and therefore needs to be viewed with caution. In short 
> it compares a list of known active stations (again Op and OPDS does 
> this differently) with what might be described as 'partial decodes' 
> and finds the best match. 

Hi Mike.

I don't know Opera but this is my 2 bit "guesswork" ;-)

Does the Deep Search decision making algorithm compute a confidence numerical score?

If not can compute it?

So, normalize the score between 0 and 1 and print it in the report: 0=false decode, 1=sure decode.

Useful for human accept-reject decision  and most useful for debugging.


73 de Claudio IK2PII
 
 
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