Search found 4 matches
- 2017-02-03T13:52:10-07:00
- Forum: Users
- Topic: Layer image A over image B using grayscale mask from image C
- Replies: 1
- Views: 1956
Layer image A over image B using grayscale mask from image C
I'm trying to perform a masking operation. I'd like to layer image A, which is a jpg, over image B, also a jpg, applying first an opacity mask in the form of a greyscale tif file to image A. I'm also rotating and scaling the mask as I load it. I'm able to create a png with transparency using this ...
- 2017-02-03T08:12:42-07:00
- Forum: Users
- Topic: Use hough-lines to detect scanned book pages
- Replies: 4
- Views: 5123
Re: Use hough-lines to detect scanned book pages
@snibgo Thanks for this information - very helpful! When you say "The two sides of this line will be of contrasting intensity", how would I check that? Crop the image to the coordinates of that line? @fmw42 That's an excellent idea, thanks! I didn't know it was possible to output to txt file. My ...
- 2017-02-01T13:02:07-07:00
- Forum: Users
- Topic: Use hough-lines to detect scanned book pages
- Replies: 4
- Views: 5123
Use hough-lines to detect scanned book pages
Hello forum, I'm working on a series of scripts for postprocessing scanned images. I've made use of a lot of Imagemagick functionality so far and the tips in this forum have been invaluable. One area where I'm stuck is identifying the edges of the scanned pages in the images for further cropping. My ...
- 2016-12-20T11:46:44-07:00
- Forum: Users
- Topic: Cropping a CR2 file using the XMP profile
- Replies: 4
- Views: 7137
Re: Cropping a CR2 file using the XMP profile
Hi aporthog, any chance you might be willing to share this script or the logic you used to convert the XMP crop values to IM crop area? Thanks!