Legacy ImageMagick Discussions Archive

Hi,

Thanks for your reply. I have put the image at
http://places.galwaylibrary.ie/page.png

Regards
John

Hi, I am working with an image with a lot of black marks on the background. The marks are about four to six pixels in size, but the shape varies greatly. However, all of these shapes are surrounded by a sea of white pixels. Is it possible to remove these marks? Any help would be much appreciated ...

Hi, I am using the following command to make four black pixels white. mogrify -morphology thicken '6x6+2+2:\ 1,1,1,1,1,1, 1,1,1,1,1,1, 1,1,0,0,1,1, 1,1,0,0,1,1, 1,1,1,1,1,1, 1,1,1,1,1,1' page20.png If I am right, the command will only work on the origin pixel which is the first zero on the third row ...

Hi, I have defined a square kernel as 3X3:1,1,1,1,0,1,1,1,1. As I understand it, this is a grid of three pixels by three pixels. The center is black. All the surrounding pixels are white. How do I make this middle pixel white? I have also defined a row of pixels thus, 1x5:0,0,1,0,0. As I understand ...

Hi, I am trying to remove background noise from an image. The foreground is handwritten text, and there are black dots in the background. I am hoping to remove these without affecting the text. I am trying to use 'morphology' to select black areas of certain dimensions, but I am very hazy on this ...