XnView Software

Using nconvert 6.30
nconvert -autodeskew 1 1 1 test.jpg
Crashes. I tried different options, always a crash if autodeskew is in the command.

Is there any chance of including it in the next update? Also, if it is in NConvert, it would be nice to have a parameter to control it. ImageMagick has the threshold parameter: http://www.imagemagick.org/script/command-line-options.php#deskew Although I admit I'm not sure what that parameter actuall...

There is image->rotate->auto de-skew in the full program. Why can't we do this in NConvert?

Here are some sample files that can be deskewed with both ImageMagick and the Gimp plugin:
http://www.sendspace.com/file/yoa1y1

ImageMagick also has an automatic deskew feature. I think this program is open source:

http://www.imagemagick.org/script/comma ... php#deskew

I've used this and it works.

Gimp has a deskew plugin. It works automatically and very well. For the samples I tried, it works better than Photoshops automatic deskew: File->Automate-Crop and Straighten http://www.cubewano.org/gimp-deskew-plugin/ The Gimp deskew plugin author describes the source as using the "Radon" algorithm ...