Digital Image Processing

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Digital Image Processing
Discuss digital image processing techniques and algorithms. We encourage its application to ImageMagick but you can discuss any software solutions here.
Topics: 274

274 Topics

2706 Posts

Last post Re: Object Recognition, what …
by fmw42 View the latest post
2019-09-06T18:23:48+00:00
Fred's Scripts
A plethora of command-line scripts that perform geometric transforms, blurs, sharpens, edging, noise removal, and color manipulations.
Topics: 129

129 Topics

1195 Posts

Last post Re: scripts library load erro…
by fmw42 View the latest post
2019-10-15T16:10:44+00:00

Active topics

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Last post

How To: Using Cygwin and Bash Scripts (e.g., Fred's) with IM

Last post by fmw42 « 2019-01-12T00:11:16+00:00
Replies: 45
by jwtrexler » 2014-07-13T18:51:16+00:00
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45 Replies

215778 Views

Last post by fmw42
2019-01-12T00:11:16+00:00
scripts library load error (macOS)

Last post by fmw42 « 2019-10-15T16:10:44+00:00
Replies: 10
by ZootZims » 2018-12-15T18:20:28+00:00

10 Replies

46065 Views

Last post by fmw42
2019-10-15T16:10:44+00:00
Multicrop fails to output files

Last post by mib « 2019-10-15T13:45:04+00:00
Replies: 5
by mib » 2019-10-15T05:50:10+00:00

5 Replies

21428 Views

Last post by mib
2019-10-15T13:45:04+00:00
'Unable to Parse' error using Freds Pagecurl script

Last post by fmw42 « 2019-10-09T01:33:07+00:00
Replies: 6
by lotustwincam » 2019-10-09T00:16:41+00:00

6 Replies

22103 Views

Last post by fmw42
2019-10-09T01:33:07+00:00
Multiple pipes

Last post by goaway « 2019-09-10T14:21:54+00:00
Replies: 2
by goaway » 2019-09-09T20:53:00+00:00

2 Replies

21042 Views

Last post by goaway
2019-09-10T14:21:54+00:00
Object Recognition, what is possible and fast!

Last post by fmw42 « 2019-09-06T18:23:48+00:00
Replies: 1
by Hoangnguyen » 2019-09-06T10:20:56+00:00

1 Replies

30514 Views

Last post by fmw42
2019-09-06T18:23:48+00:00
How to convert an image into cylinderical image usng imagemagic?

Last post by fmw42 « 2019-09-02T17:32:18+00:00
Replies: 19
by solacedevelopers » 2016-11-26T12:51:10+00:00
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19 Replies

78714 Views

Last post by fmw42
2019-09-02T17:32:18+00:00
Cosine-sum filters for resampling

Last post by Piotr Grochowski « 2019-08-31T12:59:52+00:00
Replies: 7
by Piotr Grochowski » 2019-08-30T07:50:31+00:00

7 Replies

24509 Views

Last post by Piotr Grochowski
2019-08-31T12:59:52+00:00
Bicubic (Catrom) image downsampling without antialiasing?

Last post by schrodingerscat « 2019-08-22T09:43:57+00:00
Replies: 7
by schrodingerscat » 2019-08-20T16:26:47+00:00

7 Replies

24074 Views

Last post by schrodingerscat
2019-08-22T09:43:57+00:00
how to have emboss and deboss effect

Last post by fmw42 « 2019-08-17T01:54:01+00:00
Replies: 10
by direction » 2019-08-01T17:15:02+00:00

10 Replies

29110 Views

Last post by fmw42
2019-08-17T01:54:01+00:00
*Magic* websites that removes background - HOW do they do it?

Last post by jonathanjohnson100 « 2019-07-01T02:19:31+00:00
Replies: 4
by jonathanjohnson100 » 2019-06-30T21:14:13+00:00

4 Replies

26525 Views

Last post by jonathanjohnson100
2019-07-01T02:19:31+00:00
Fred scripts are NOT working on 64 bit Windows 10

Last post by fmw42 « 2019-05-20T16:25:57+00:00
Replies: 9
by shubhra » 2019-05-18T16:24:16+00:00

9 Replies

33515 Views

Last post by fmw42
2019-05-20T16:25:57+00:00
Detect fire in a fire pit (compare)

Last post by snibgo « 2019-04-20T15:00:57+00:00
Replies: 1
by HDNetCams » 2019-04-20T14:23:30+00:00

1 Replies

22860 Views

Last post by snibgo
2019-04-20T15:00:57+00:00
Getting error using convert with multiple line script

Last post by jensen31 « 2019-01-29T12:12:25+00:00
Replies: 1
by jensen31 » 2019-01-29T11:35:45+00:00

1 Replies

24144 Views

Last post by jensen31
2019-01-29T12:12:25+00:00
Calculating the correct font size based on an amount of pixels

Last post by jensen31 « 2019-01-28T15:48:43+00:00
Replies: 2
by jensen31 » 2019-01-28T09:32:19+00:00

2 Replies

25999 Views

Last post by jensen31
2019-01-28T15:48:43+00:00
Firebase Functions Add Text Over Image

Last post by Levy4u « 2019-01-25T16:17:24+00:00
Replies: 3
by Levy4u » 2019-01-24T22:48:09+00:00

3 Replies

24275 Views

Last post by Levy4u
2019-01-25T16:17:24+00:00
How to make perspective transform

Last post by snibgo « 2019-01-24T17:24:54+00:00
Replies: 3
by jensen31 » 2019-01-24T14:03:45+00:00

3 Replies

26652 Views

Last post by snibgo
2019-01-24T17:24:54+00:00
PDF to PS or PDF to PDf

Last post by rmschoen « 2019-01-24T16:56:02+00:00
Replies: 2
by rmschoen » 2019-01-23T18:22:41+00:00

2 Replies

23794 Views

Last post by rmschoen
2019-01-24T16:56:02+00:00
convert: memory allocation failed SparseColorOption @ error/mogrify.c/SparseColorOption/552.

Last post by fmw42 « 2019-01-07T19:49:28+00:00
Replies: 4
by BigNoub » 2019-01-07T11:46:05+00:00

4 Replies

25210 Views

Last post by fmw42
2019-01-07T19:49:28+00:00
Adjusting color of individual RGB channels

Last post by fmw42 « 2018-12-31T00:44:20+00:00
Replies: 6
by tommyfrank » 2018-12-23T04:46:45+00:00

6 Replies

30558 Views

Last post by fmw42
2018-12-31T00:44:20+00:00
Convert 3D LUT to hald image

Last post by fmw42 « 2018-12-24T22:55:11+00:00
Replies: 35
by Albert25 » 2012-11-11T11:01:52+00:00
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35 Replies

167589 Views

Last post by fmw42
2018-12-24T22:55:11+00:00
Native CLAHE support

Last post by fmw42 « 2018-12-12T03:35:12+00:00
Replies: 16
by whugemann » 2018-11-19T14:43:01+00:00
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2
16 Replies

52773 Views

Last post by fmw42
2018-12-12T03:35:12+00:00
Convert JPEG from progressive to baseline losslessly

Last post by fmw42 « 2018-12-06T23:49:17+00:00
Replies: 14
by Nemo_bis » 2012-10-25T00:28:34+00:00

14 Replies

76189 Views

Last post by fmw42
2018-12-06T23:49:17+00:00
Make borders not rounded - modifying fmw42's contour script

Last post by Zelf « 2018-11-29T20:00:21+00:00
Replies: 4
by Zelf » 2018-11-29T18:50:21+00:00

4 Replies

25401 Views

Last post by Zelf
2018-11-29T20:00:21+00:00
3 Implementations for Adaptive Gamma Correction

Last post by fmw42 « 2018-11-19T19:57:17+00:00
Replies: 18
by chani » 2018-11-08T22:11:01+00:00
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18 Replies

55746 Views

Last post by fmw42
2018-11-19T19:57:17+00:00
Can you suggest new research on image processing?

Last post by snibgo « 2018-11-06T12:29:10+00:00
Replies: 1
by tutu11 » 2018-11-06T08:25:47+00:00

1 Replies

24029 Views

Last post by snibgo
2018-11-06T12:29:10+00:00
Temp error with BCMATCH

Last post by fmw42 « 2018-10-09T16:24:28+00:00
Replies: 5
by pikkio123 » 2018-10-08T16:05:48+00:00

5 Replies

29854 Views

Last post by fmw42
2018-10-09T16:24:28+00:00
Measure or calculate blur amount (σ) of Gaussian blur algorithm

Last post by snibgo « 2018-08-09T00:43:59+00:00
Replies: 9
by cult » 2018-08-02T14:33:42+00:00

9 Replies

39635 Views

Last post by snibgo
2018-08-09T00:43:59+00:00
Merging RGB and CMYK into CMYK

Last post by teambuktu « 2018-07-22T21:36:23+00:00
Replies: 4
by teambuktu » 2018-07-18T11:57:22+00:00

4 Replies

31990 Views

Last post by teambuktu
2018-07-22T21:36:23+00:00
Fisheye 235° to equirectangular

Last post by fmw42 « 2018-07-19T21:58:42+00:00
Replies: 38
by jumpjack » 2017-04-20T20:00:58+00:00
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38 Replies

99468 Views

Last post by fmw42
2018-07-19T21:58:42+00:00
textdeskew: 190: syntax error

Last post by shafiq4apps « 2018-07-19T16:00:34+00:00
Replies: 7
by chouchou_u » 2018-03-27T16:37:48+00:00

7 Replies

38889 Views

Last post by shafiq4apps
2018-07-19T16:00:34+00:00
Need help related to SHADOWHIGHLIGHT feature

Last post by fmw42 « 2018-07-18T16:25:32+00:00
Replies: 1
by mjamal » 2018-07-18T14:43:07+00:00

1 Replies

24137 Views

Last post by fmw42
2018-07-18T16:25:32+00:00
Splitting spherical/pano image into square "components"

Last post by jumpjack « 2018-07-18T13:22:19+00:00
Replies: 5
by jumpjack » 2018-07-16T19:37:08+00:00

5 Replies

30673 Views

Last post by jumpjack
2018-07-18T13:22:19+00:00
picturefold script from fred

Last post by magick « 2018-06-07T10:27:40+00:00
Replies: 2
by pim » 2018-06-06T21:20:16+00:00

2 Replies

28525 Views

Last post by magick
2018-06-07T10:27:40+00:00
picturefold error

Last post by fmw42 « 2018-06-06T22:38:02+00:00
Replies: 11
by pim » 2018-06-04T19:49:45+00:00

11 Replies

38255 Views

Last post by fmw42
2018-06-06T22:38:02+00:00
Compression v/s Size(Dimension)

Last post by Meloware « 2018-06-06T20:34:27+00:00
Replies: 3
by dkode » 2018-05-09T10:08:13+00:00

3 Replies

35330 Views

Last post by Meloware
2018-06-06T20:34:27+00:00
Gif transparent background cannot remove previous frame

Last post by snibgo « 2018-05-06T14:12:27+00:00
Replies: 2
by naive » 2018-05-06T11:48:26+00:00

2 Replies

39292 Views

Last post by snibgo
2018-05-06T14:12:27+00:00
New Script To Compute Perceptual Hashes

Last post by fmw42 « 2018-05-02T23:53:25+00:00

by fmw42 » 2018-05-02T23:53:25+00:00

0 Replies

34756 Views

Last post by fmw42
2018-05-02T23:53:25+00:00
From photo to drawing (result is not really good)

Last post by libo « 2018-05-01T17:35:23+00:00
Replies: 8
by libo » 2018-05-01T10:02:25+00:00

8 Replies

39522 Views

Last post by libo
2018-05-01T17:35:23+00:00
Why one image gets affected better then another

Last post by snibgo « 2018-04-27T16:22:55+00:00
Replies: 5
by naive » 2018-04-27T07:12:37+00:00

5 Replies

37421 Views

Last post by snibgo
2018-04-27T16:22:55+00:00
Create 2D image from 3D-Model

Last post by snibgo « 2018-04-25T00:06:01+00:00
Replies: 2
by AndRi » 2018-04-24T18:43:09+00:00

2 Replies

32331 Views

Last post by snibgo
2018-04-25T00:06:01+00:00
Advanced Bulk Cropping Please/Urgent

Last post by steff88 « 2018-04-19T09:13:26+00:00
Replies: 1
by steff88 » 2018-04-19T08:25:59+00:00

1 Replies

31117 Views

Last post by steff88
2018-04-19T09:13:26+00:00
Is it possible to crop two rectangles out of standard shapes

Last post by allomorphy « 2018-04-16T21:31:24+00:00
Replies: 4
by allomorphy » 2018-04-15T20:42:19+00:00

4 Replies

35352 Views

Last post by allomorphy
2018-04-16T21:31:24+00:00
How to determine percentage of "X" color from "Y" colored background.

Last post by snibgo « 2018-04-08T12:50:07+00:00
Replies: 1
by uivegeta » 2018-04-08T10:24:56+00:00

1 Replies

30975 Views

Last post by snibgo
2018-04-08T12:50:07+00:00
Adding imagemagick script on Vagrant

Last post by fmw42 « 2018-04-07T16:57:43+00:00
Replies: 1
by Roshit121 » 2018-04-07T11:03:59+00:00

1 Replies

30943 Views

Last post by fmw42
2018-04-07T16:57:43+00:00
Gray balance approach reasonable? (snibgo)

Last post by snibgo « 2018-04-05T07:48:09+00:00
Replies: 8
by Skygaze » 2018-03-20T03:38:03+00:00

8 Replies

45475 Views

Last post by snibgo
2018-04-05T07:48:09+00:00
How do I remove solid colours if I don't know the colours in advance?

Last post by snibgo « 2018-03-30T08:25:04+00:00
Replies: 9
by dgpeters » 2018-03-24T20:29:55+00:00

9 Replies

45410 Views

Last post by snibgo
2018-03-30T08:25:04+00:00
Spliting an image one the basis of color of the line

Last post by fmw42 « 2018-03-29T15:45:05+00:00
Replies: 1
by shekarnode » 2018-03-29T10:34:04+00:00

1 Replies

30015 Views

Last post by fmw42
2018-03-29T15:45:05+00:00
Can't run cylinderize command in php

Last post by Roshit121 « 2018-03-26T15:00:26+00:00
Replies: 6
by Roshit121 » 2018-03-25T13:29:26+00:00

6 Replies

39836 Views

Last post by Roshit121
2018-03-26T15:00:26+00:00
Combining multiple Fred's cylinderize script

Last post by Roshit121 « 2018-03-25T10:06:25+00:00
Replies: 2
by Roshit121 » 2018-03-25T08:14:55+00:00

2 Replies

31592 Views

Last post by Roshit121
2018-03-25T10:06:25+00:00

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