XnView Software

This is more-or-less where I have wound up, and it is working (sort of). Images are converted to black and white for processing, its the subtle ways in which that interacts with the OMR that are causing issues. I have managed to get something workable by trial-and-error with some guestimation... but ...

Thank you for your suggestions!

The issue is that the new printer is in fact more aggressive about trying to get a good scan... but what it sees as 'good' is different than I have been optimizing for. So it is taking elements such as faint labels on regions to be marked and making them dark, while ...

I have been using nconvert quite successfully as part of a front end for optical mark recognition. Recently, however, my workplace converted all scanners to a new manufacturer and my recognition rate has fallen apart.
It seems to me, looking at what is happening, that I could solve a lot of the ...

Thank you both!
Philip

Hello!

I am using nconvert to convert a multipage PDF into JPG files for optical mark recognition.

However the currently available for download version for unix has a bug/change introduced in version 6.88 and previously documented, which causes an issue (for us at least) when naming such files ...