Search found 4 matches

by figgis
2019-04-02T04:59:32-07:00
Forum: Users
Topic: identify -verbose to get jpeg quality
Replies: 0
Views: 5068

identify -verbose to get jpeg quality

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 seems ...
by figgis
2013-11-21T08:58:00-07:00
Forum: Users
Topic: Invert region
Replies: 2
Views: 1649

Re: Invert region

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

Thanks!
by figgis
2013-11-21T07:00:01-07:00
Forum: Users
Topic: Invert region
Replies: 2
Views: 1649

Invert region

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 the c...
by figgis
2013-11-16T13:54:51-07:00
Forum: Users
Topic: Sequence of YCbCr images (YUV)
Replies: 0
Views: 2977

Sequence of YCbCr images (YUV)

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, i.e...