Legacy ImageMagick Discussions Archive

I've got thousands of scanned documents from various sources and they're all slightly different -- I can't count on fonts, sizes, positions (global or local), border thickness, etc. so it's not a one-mask-fits-all problem (I wish!).

I've thought of detecting straight lines and removing any that are ...

I'm trying to OCR some papers which have data in a table format, but the table has borders between rows/columns and it's messing up the OCR. I think there must be some way to have ImageMagick remove the borders for me -- anyone know?

You are right it doesn't seem to have any effect at all. That seems to be a little strange to me.

Maybe it is some type of profile effect?

I thought the same thing and tried with +profile *. Still nothing. I think it's just a bug.

I'm looking at the source and there were some small ...

That still has no effect for me. Does it work for you?

NOTE colorspace is a bit is an unusual command.

Most images being read in are already in sRGB colorspace. however IM stores them in memory as 'RGB' colorspace.
The -colorspace sRGB command does not actually convert to sRGB but from sRGB to linear RGB!
That is it makes the image linear for image ...

try this:

convert earth_lights_4800.tif -set colorspace sRGB -colorspace RGB -resize 500x earth_lights_4800_srgb.png

Is that what you want?

Definitely not. My old command line performed a resize in linear RGB. This one seems to be doing something entirely different, brightening up the entire ...

I'm trying to resize images in a linear colorspace. This command was working in 6.7.0-10 and prior versions as far back (years) as I've been using IM:

convert -colorspace sRGB earth_lights_4800.tif -resize 500x out.png

I've updated to 6.7.1 and now "-colorspace sRGB" no longer works. With or ...