Search found 168 matches

by diegomage
2017-10-31T10:55:08-07:00
Forum: Users
Topic: its possible apply threeshold with range in imagemagick(solved) ?
Replies: 6
Views: 974

Re: its possible apply threeshold with range in imagemagick ?

I solved with this code
[*]

Code: Select all

convert image.png -threshold 80%  mmk


convert image.png -threshold 86% -negate   mmk2

composite -compose Multiply   mmk mmk2 mmk3
by diegomage
2017-10-31T08:00:07-07:00
Forum: Users
Topic: its possible apply threeshold with range in imagemagick(solved) ?
Replies: 6
Views: 974

Re: its possible apply threeshold with range in imagemagick ?

I see this in imagemagick -sepia-tone percent-threshold simulate a sepia-toned photo. Specify threshold as the percent threshold of the intensity (0 - 99.9%). This option applies a special effect to the image, similar to the effect achieved in a photo darkroom by sepia toning. Threshold ranges from ...
by diegomage
2017-10-31T07:13:35-07:00
Forum: Users
Topic: its possible apply threeshold with range in imagemagick(solved) ?
Replies: 6
Views: 974

its possible apply threeshold with range in imagemagick(solved) ?

for example with range of 127 to 255

Image

like this


I get this image in this link
https://docs.gimp.org/2.6/en/gimp-tool-threshold.html


Please help me
by diegomage
2017-10-14T12:05:47-07:00
Forum: Users
Topic: cant remove gray blobs of this image srgba to gray (update ) (solved)?
Replies: 9
Views: 2860

Re: cant remove gray blobs of this image srgba to gray (update ) ?

I use all this filter in my image and WORKS and solve my problem 1) remove alpha convert image -alpha off -type GrayScale -colorspace GRAY mmmm 2) convert srgb to rgb convert mmmm -colorspace gray -threshold 45% -depth 8 -type bilevel -set colorspace sRGB -colorspace RGB +dither -posterize 2 -thresh...
by diegomage
2017-10-13T23:08:09-07:00
Forum: Users
Topic: cant remove gray blobs of this image srgba to gray (update ) (solved)?
Replies: 9
Views: 2860

Re: cant remove gray blobs of this image srgba tp gray (update ) ?

I see the format of my image and I view that this is SRGBA ; exist any way to convert to grayscale ?
by diegomage
2017-10-13T22:52:11-07:00
Forum: Users
Topic: cant remove gray blobs of this image srgba to gray (update ) (solved)?
Replies: 9
Views: 2860

Re: cant remove gray blobs of this image ?

this is rare but i think that the problem is the format because a use kolourpaint for example for remove blobs using contrast method and works but with imagemagick not works

I dont know why
by diegomage
2017-10-13T22:14:56-07:00
Forum: Users
Topic: cant remove gray blobs of this image srgba to gray (update ) (solved)?
Replies: 9
Views: 2860

Re: cant remove gray blobs of this image ?

the extra image is my image enlarge for show the gray blobs in the image
by diegomage
2017-10-13T22:13:55-07:00
Forum: Users
Topic: cant remove gray blobs of this image srgba to gray (update ) (solved)?
Replies: 9
Views: 2860

Re: cant remove gray blobs of this image ?

for example when I save this image with another software this dither command works well but with imagemagick not works well IM dont know what is the correct format for remove blobs
by diegomage
2017-10-13T22:12:21-07:00
Forum: Users
Topic: cant remove gray blobs of this image srgba to gray (update ) (solved)?
Replies: 9
Views: 2860

Re: cant remove gray blobs of this image ?

is original there are blobs black in the image with blobs gray
by diegomage
2017-10-13T21:53:18-07:00
Forum: Users
Topic: cant remove gray blobs of this image srgba to gray (update ) (solved)?
Replies: 9
Views: 2860

cant remove gray blobs of this image srgba to gray (update ) (solved)?

IM trying with posterize depth8 , threshold and png 8 but nothings works convert skeleton.jpg -morphology HMT LineEnds -threshold 50% -fill white -opaque white -negate png8:mmmm convert mmmm -depth 8 +dither -posterize 2 -threshold 99% zlineends.jpg this is my image https://i.stack.imgur.com/qMTdc.j...
by diegomage
2017-10-11T09:10:52-07:00
Forum: Users
Topic: how I could reduce ppm file size with imagemagick ?
Replies: 2
Views: 1316

Re: how I could reduce ppm file size with imagemagick ?

very thankyou this help me so much
by diegomage
2017-10-10T18:10:54-07:00
Forum: Users
Topic: how I could reduce ppm file size with imagemagick ?
Replies: 2
Views: 1316

how I could reduce ppm file size with imagemagick ?

I use a potrace software for get more precise vectorize but when I use much this software obtain a large ppm of 24mb

How I could reduce size of this ppm

Please help me


Image

when I convert this image in ppm this expand to 24mb

convert Qe5ND.png imss.ppm
by diegomage
2017-10-06T10:15:59-07:00
Forum: Users
Topic: trying to understand hough transform?
Replies: 3
Views: 1496

Re: trying to understand hough transform?

I apply the command how show in example but I obtain much lines convert skeletonf3.jpg -hough-lines 9x9+40 hough_lines_image.png https://i.stack.imgur.com/t6AIF.png and I apply other command and I obtain larges lines convert skeletonf3.jpg -hough-lines 39x39+40 hough_lines_image.png https://i.stack....
by diegomage
2017-10-06T09:41:44-07:00
Forum: Users
Topic: trying to understand hough transform?
Replies: 3
Views: 1496

trying to understand hough transform?

IM trying to do a hough transform of this image but I dont know what WxH quantity should use

this is my image

Image


PLease help me