Search found 29 matches
- 2017-08-03T03:22:39-07:00
- Forum: Users
- Topic: Questions about mean shift noise removal and color reduction
- Replies: 0
- Views: 10590
Questions about mean shift noise removal and color reduction
Hi again, I understand what the windows size does now, sorry about that. But, is it possible to specify the number of colors it can replace originals with (the number of colors in this case can be viewed as the number of clusters). Say, for example I select 5 colors then when computing the mean of e...
- 2017-08-03T02:29:44-07:00
- Forum: Users
- Topic: New: mean shift noise removal and color reduction
- Replies: 1
- Views: 2510
New: mean shift noise removal and color reduction
Hello,
With respect to the windows size parameter, is that equivalent to the -resize <WxH> command?
If not, what does it do exactly?
Thanks.
With respect to the windows size parameter, is that equivalent to the -resize <WxH> command?
If not, what does it do exactly?
Thanks.
- 2017-08-01T15:45:27-07:00
- Forum: Users
- Topic: Mapping Central color to areas covered by edges
- Replies: 10
- Views: 8646
Re: Mapping Central color to areas covered by edges
Hi, my bad. what I aim to achieve is a skeleton-like mask of an image derived from the distribution of colours which can be used to create a representation of the original image but with one colour, for each area. Akin to the technique used in creating in cartoons I guess, where whole sections of an...
- 2017-08-01T13:36:35-07:00
- Forum: Users
- Topic: Mapping Central color to areas covered by edges
- Replies: 10
- Views: 8646
Re: Mapping Central color to areas covered by edges
My IM version is 7.0.6-0 Q16 X86_64
- 2017-08-01T13:34:00-07:00
- Forum: Users
- Topic: Mapping Central color to areas covered by edges
- Replies: 10
- Views: 8646
Mapping Central color to areas covered by edges
Hi Everyone, I am working on some images and would like to create an effect using an edge representation/skeleton of an image based on un-similar (unique) colours in the original image. After which I will like to superimpose this edge mask on the original image and color the individual areas, one co...
- 2017-07-28T04:41:50-07:00
- Forum: Users
- Topic: Clarification on use of colours and depth in IM
- Replies: 12
- Views: 12769
Re: Clarification on use of colours and depth in IM
Hi snibgo,
Thank you so much for your clear explanations...
Aigo!
Thank you so much for your clear explanations...
Aigo!
- 2017-07-27T03:00:02-07:00
- Forum: Users
- Topic: Clarification on use of colours and depth in IM
- Replies: 12
- Views: 12769
Re: Clarification on use of colours and depth in IM
Thank you snibgo, I truly appreciate your feedback, kindly consider the following questions: Based on your explanation of -resize, we can also say that when an image has 100x100 pixels and is resized to 50x50, an approximation of the original image colours is performed where similar colours could en...
- 2017-07-26T10:59:08-07:00
- Forum: Users
- Topic: Clarification on use of colours and depth in IM
- Replies: 12
- Views: 12769
Re: Clarification on use of colours and depth in IM
Hi snibgo, thank you so much for this suggested approach...I also noticed -depth applied just after -normalize affects (reduces) the number of colours as well. -resize actually increases the number of colours exponentially.. I just wonder if there is any scientific reason for this behaviour? Also, i...
- 2017-07-25T23:10:33-07:00
- Forum: Users
- Topic: Clarification on use of colours and depth in IM
- Replies: 12
- Views: 12769
Re: Clarification on use of colours and depth in IM
no as .png..and yeah I count colours after the manipulation.
- 2017-07-25T16:05:03-07:00
- Forum: Users
- Topic: Clarification on use of colours and depth in IM
- Replies: 12
- Views: 12769
Re: Clarification on use of colours and depth in IM
Oh so sorry..
I am using convert <input image> -colors <value> -colorspace RGB -normalize -depth <depth value> <output image>.
IM version 7.0.6-0 Q16
I am using convert <input image> -colors <value> -colorspace RGB -normalize -depth <depth value> <output image>.
IM version 7.0.6-0 Q16
- 2017-07-25T15:13:33-07:00
- Forum: Users
- Topic: Clarification on use of colours and depth in IM
- Replies: 12
- Views: 12769
Clarification on use of colours and depth in IM
Hi all, I have been playing around with IM recently especially with the color and depth option, and interestingly have discovered some things I can't explain but are important. 1. When specifying number of colors to use in an image say 4, I have discovered that the number of colors represented on th...
- 2017-07-25T14:57:58-07:00
- Forum: Users
- Topic: How to use -magnify?
- Replies: 5
- Views: 8316
Re: How to use -magnify?
Thanks...Just seeing this reply, eventually had to call a script implementing the xBR algorithm. awesome result!
- 2017-07-06T06:02:59-07:00
- Forum: Users
- Topic: How to use -magnify?
- Replies: 5
- Views: 8316
Re: How to use -magnify?
trying to use the same command by OP on IM version 7.0.06-0 and still get the same error. Is it discontinued in this version or an alternative exists? Please help!
- 2017-06-27T04:26:16-07:00
- Forum: Users
- Topic: Aggressive Image size reduction via colour reduction
- Replies: 1
- Views: 2005
Aggressive Image size reduction via colour reduction
Hi all, I am a newbie to IM and trying to drastically reduce the size of images via colour reduction. Is it possible to do a many to one mapping (replacement) of colours in IM using either an inbuilt or user-defined colour space? Or is there a better way to do this (not colour reduction)? I have tri...