Re: SQL for multimedia retrieval - Mailing list pgsql-general

From John R Pierce
Subject Re: SQL for multimedia retrieval
Date
Msg-id 51F409D8.3040008@hogranch.com
Whole thread Raw
In response to Re: SQL for multimedia retrieval  (Olivier Austina <olivier.austina@gmail.com>)
List pgsql-general
On 7/27/2013 10:28 AM, Olivier Austina wrote:
> Hi John
>
> It doesn't matter where the file is stored. I want to know if I can do
> some processing like find similar photos or how many a given word
> appear in the multimedia content ( e.g. an audio or video) using a
> query language such as SQL.
>

SQL does neither image nor speech recognition, which would be required
to do what you're describing.

identifying similar images is a unsolved problem in computer science.
natural speech recognition is still very rough, unless the speaker is
speaking slowly and clearly and has trained the recognition system.

now, postgresql DOES have full text search, and if you could run your
audio/video files through some sort of speech-to-text algorithm, and
store the plaintext, you could search that.

--
john r pierce                                      37N 122W
somewhere on the middle of the left coast



pgsql-general by date:

Previous
From: Olivier Austina
Date:
Subject: Re: SQL for multimedia retrieval
Next
From: Adrian Klaver
Date:
Subject: Re: DATE type output does not follow datestyle parameter