Search found 123 matches
- 2018-08-16T07:08:09-07:00
- Forum: Users
- Topic: extracting biggest square from a rotated image
- Replies: 18
- Views: 13889
Re: extracting biggest square from a rotated image
Actually , I know the dimension of original image and angle by which it has to be rotated .
- 2018-08-15T06:39:09-07:00
- Forum: Users
- Topic: extracting biggest square from a rotated image
- Replies: 18
- Views: 13889
Re: extracting biggest square from a rotated image
sorry , did not have internet access so could not reply earlier. I am using imagemagick on linux desktop $ display --version Version: ImageMagick 6.8.9-9 Q16 x86_64 2018-07-10 http://www.imagemagick.org Copyright: Copyright (C) 1999-2014 ImageMagick Studio LLC Features: DPC Modules OpenMP Delegates:...
- 2018-08-12T06:43:26-07:00
- Forum: Users
- Topic: extracting biggest square from a rotated image
- Replies: 18
- Views: 13889
extracting biggest square from a rotated image
hi , Suppose I have a black canvas of 512x512 size convert -size 512x512 canvas:black black.png http://ibb.co/cLsbo9 Now I rotated it to get another images convert black.png -rotate 30 black-rotated-30degree.png http://ibb.co/nmkJ1U Now my aim is to cut out biggest black square from this rotated ima...
- 2018-05-27T14:11:22-07:00
- Forum: Users
- Topic: x,y coordinate transformation when image is rotated by 90 degrees
- Replies: 3
- Views: 3599
Re: x,y coordinate transformation when image is rotated by 90 degrees
verified it.
it works.
it works.
- 2018-05-27T12:34:17-07:00
- Forum: Users
- Topic: x,y coordinate transformation when image is rotated by 90 degrees
- Replies: 3
- Views: 3599
- 2018-05-26T23:24:27-07:00
- Forum: Users
- Topic: x,y coordinate transformation when image is rotated by 90 degrees
- Replies: 3
- Views: 3599
x,y coordinate transformation when image is rotated by 90 degrees
i have 512x512 image whose SIFT descriptors I had found.
Now i rotated image by 90 degree using
convert src.jpg -rotate 90 dest.jpg
what will be new coordinates of point x,y of src.jpg ?
I require this so that I can see SIFT descriptor change between correspondences in src.jpg and dest.jpg .
Thanks.
Now i rotated image by 90 degree using
convert src.jpg -rotate 90 dest.jpg
what will be new coordinates of point x,y of src.jpg ?
I require this so that I can see SIFT descriptor change between correspondences in src.jpg and dest.jpg .
Thanks.
- 2018-05-07T12:54:35-07:00
- Forum: Users
- Topic: convert command gives error in bash script
- Replies: 5
- Views: 5797
Re: convert command gives error in bash script
sorry for late reply. Thanks a lot, snibgo. It works. Here is the working code #!/bin/bash img_file=$2 while read one_line; do let "first_num = $(echo $one_line|cut -d ' ' -f1)" let "second_num = $(echo $one_line|cut -d ' ' -f2)" echo first num-$first_num echo second num-$second_...
- 2018-05-02T05:16:14-07:00
- Forum: Users
- Topic: convert command gives error in bash script
- Replies: 5
- Views: 5797
Re: convert command gives error in bash script
Now my script is #!/bin/bash img_file=$2 while read one_line; do let "first_num = $(echo $one_line|cut -d ' ' -f1)" let "second_num = $(echo $one_line|cut -d ' ' -f2)" echo first num-$first_num echo second num-$second_num let "periphery = $((second_num+5))" echo periphe...
- 2018-05-02T01:42:48-07:00
- Forum: Users
- Topic: convert command gives error in bash script
- Replies: 5
- Views: 5797
Re: convert command gives error in bash script
i had to use double quotes because I am using $first_num .
I will put just that variable in double quotes and see what happens.
I will put just that variable in double quotes and see what happens.
- 2018-05-01T04:46:07-07:00
- Forum: Users
- Topic: convert command gives error in bash script
- Replies: 5
- Views: 5797
convert command gives error in bash script
I am using $ convert --version Version: ImageMagick 6.8.9-9 Q16 x86_64 2017-07-31 http://www.imagemagick.org Copyright: Copyright (C) 1999-2014 ImageMagick Studio LLC Features: DPC Modules OpenMP Delegates: bzlib cairo djvu fftw fontconfig freetype jbig jng jpeg lcms lqr ltdl lzma openexr pangocairo...
- 2018-04-29T23:10:30-07:00
- Forum: Users
- Topic: converted png to raw then identify says unexpected EOF
- Replies: 7
- Views: 8027
Re: converted png to raw then identify says unexpected EOF
That works. Thanks a lot snibgo . For somebody else who wants to convert image to wsq so that mindtct can detect minutae in it. convert <input_image> sth.gray identify -size <imgXximgY> -depth 8 sth.gray # to verify sth.gray cwsq <compressionratio> wsq sth.gray -raw_in <imgX,imgY,8> 0.75 will make s...
- 2018-04-29T22:47:21-07:00
- Forum: Users
- Topic: converted png to raw then identify says unexpected EOF
- Replies: 7
- Views: 8027
Re: converted png to raw then identify says unexpected EOF
i will try that
- 2018-04-28T00:47:56-07:00
- Forum: Users
- Topic: converted png to raw then identify says unexpected EOF
- Replies: 7
- Views: 8027
Re: converted png to raw then identify says unexpected EOF
I am trying to convert a png image to format suitable for this utility .
It mentions raw pixmap as an option.
https://github.com/lessandro/nbis/blob/ ... an1/cwsq.1
It mentions raw pixmap as an option.
https://github.com/lessandro/nbis/blob/ ... an1/cwsq.1
- 2018-04-27T22:08:25-07:00
- Forum: Users
- Topic: converted png to raw then identify says unexpected EOF
- Replies: 7
- Views: 8027
Re: converted png to raw then identify says unexpected EOF
Can the rgb image I have made in original post be called raw pixmap ?
- 2018-04-27T21:39:42-07:00
- Forum: Users
- Topic: converted png to raw then identify says unexpected EOF
- Replies: 7
- Views: 8027
Re: converted png to raw then identify says unexpected EOF
ok , i will try and report back.