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HowTos

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Contents

Lab things

Network related

Bureaucracy

  • Insurance for non-students

Wiki

Lab material

Lab tools

Robotics, Vision, and Electronics

Robotics

  • RotoTranslations: how to smooth the real (hard) life of roboticists
  • Discrete implementation of a PID controller

Vision

Electronics

Reading Groups

Reading group

Software

mencoder -forceidx -of lavf -oac mp3lame -lameopts abr:br=56 -srate 22050 -ovc lavc -lavcopts vcodec=flv:vbitrate=500:mbd=2:mv0:trell:v4mv:cbp:last_pred=3 -o animation.flv animation.avi
  • Extract image frames from video:
ffmpeg -i video_file -r frequency frame%5d.png
  • Rename all files in a folder with incremental pattern (inline script)
i=1;for file in *; do mv $file `printf "frame%05d.png" $i`; let i=$i+1; done
gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/screen -dNOPAUSE -dQUIET -dBATCH -sOutputFile=output.pdf input.pdf
grep string /path/to/dir/* -R
  • Convert *.png to jpg in Winzozz (imagemagick)
mogrify -format jpg *.png

Camera drivers

Camera calibration

Other

  • Moodle lesson creation
  • Incremental BackUp
  • Ubuntu bug with usb_modeswitch for mass storage devices -> "This is a problem with the usb-modeswitch, if you disable it in /etc/usb_modeswitch.conf => DisableSwitching=1 then it works"
Personal tools