Clemens,

for various reasons, image extraction for preview images and text analysis are 
independent. To answer your other questions, tiff is the only format that 
Tesseract is able to process without adding more 3rd party tools to our 
installer.

Tobias

On 02.03.2011, at 19:52, Clemens Gruber wrote:

> Tobias Wunden wrote:
>> As a result of trying to solve MH-6958, a few changes had to be made both to 
>> the java services architecture as well as to the 3rd party tools installer.
>> 
>> In a nutshell, we switched text extraction from Ocropus to Tesseract (which 
>> is used by Ocropus internally anyway). Tesseract would not work with jpegs, 
>> though, so the commandline for the ffmepg image extraction had to be 
>> changed, too. So at least  we don't have to compile Ocropus anymore. 
>> Additionally, we now have two text extraction implementations that can be 
>> swapped out (though only one is currently working due to a somewhat broken 
>> ocropus installation).
>>   
> 
> What image format do we use now for Tesseract? Is there any change for the 
> preview images? Or do we extract them twice jpg for preview and an other 
> format for text extraction?
> 
> Regards
> Clemens
_______________________________________________
Matterhorn mailing list
[email protected]
http://lists.opencastproject.org/mailman/listinfo/matterhorn


To unsubscribe please email
[email protected]
_______________________________________________

Reply via email to