Legacy ImageMagick Discussions Archive

Hi,

I've noticed that imagemagick can't estimate the jpeg quality from a camera that I have.
Quality 0-30 works fine, but as soon as I go above 30, I get nothing from imagemagick

$ identify -verbose image30.jpg | grep -i quality
Quality: 53
$ identify -verbose image32.jpg | grep -i quality


It ...

Haven't used windows for a decade but I'll try this tonight when my kids have fallen asleep

Thanks!

I'm trying to blur a picture except a region in the middle. Something like this:

http://i.imgur.com/TXGnjkL.jpg

I only see options to do the opposite, i.e. blur a region and I need the inverse.
Can it be done?

Right now I'm trying to solve this by croping out the region in the middle, blurring ...

I'm trying to blur a sequence of YCbCr images. Format is YV12, i.e. 8bpp, 4:2:0

The classic foreman-clip http://trace.eas.asu.edu/yuv/ contains 300 frames in CIF size.

./convert -blur 2x2 -size 352x288 -depth 8 foreman_352x288.yuv slask.yuv

Produces the desired output but I get 1 file per frame ...