1
vote
1answer
200 views

How to start/stop motion on screen lock/unlock?

I installed motion in Fedora 17, and I want it to start when I lock the screen with control + alt + l, and stop when I unlock it. I found this to run/stop a script on screen lock: ...
1
vote
0answers
414 views

ZoneMinder: improve motion detection?

I started to use ZoneMinder but I'm getting lots of false alarms. False alarm example: because of occasional noise in the image, it triggers alarm although nothing has really changed. Delayed alarm ...
9
votes
1answer
2k views

Extracting all the still images from a movie

I have a large number of paper sheets to scan. Instead of an autofeed or flatbed scanner, I'd like to use my photo camera. After a while, it occurred to me that instead of making a photo for each ...