IM6 vs 7: Convolve with bias 50% differ
Posted: 2014-12-26T05:43:44-07:00
Hi folks,
I was using convert in IM6 to create the edges with the convolve method successfully like that:
Using now IM7 with the exact same command results in a totally white image:
Is this intentionally or a bug? I am using for IM7 this windows pre-build from http://blog.astrophotographytargets.com ... n-windows/ with FFTW support.
Source image:
![Image](http://s3.postimg.org/owijnwkf7/BRB_0496_blur.jpg)
IM6 bias 50%:
![Image](http://s3.postimg.org/pxe6zac0z/BRB_0496_convolve.jpg)
IM7 bias 50%:
![Image](http://s3.postimg.org/yx9lrztcz/BRB_0496_convolve_im7_50.png)
IM7 bias 0%:
![Image](http://s3.postimg.org/p2w8qztk3/BRB_0496_convolve_im7_0.png)
I was using convert in IM6 to create the edges with the convolve method successfully like that:
Code: Select all
convert file.jpg -bias 50% -morphology Convolve loG:0x2 edge.jpg
Code: Select all
magick file.jpg -bias 50% -morphology Convolve loG:0x2 edge.jpg
Source image:
![Image](http://s3.postimg.org/owijnwkf7/BRB_0496_blur.jpg)
IM6 bias 50%:
![Image](http://s3.postimg.org/pxe6zac0z/BRB_0496_convolve.jpg)
IM7 bias 50%:
![Image](http://s3.postimg.org/yx9lrztcz/BRB_0496_convolve_im7_50.png)
IM7 bias 0%:
![Image](http://s3.postimg.org/p2w8qztk3/BRB_0496_convolve_im7_0.png)