Laser Graffiti — Control

Starting…

1 · Camera

show detection mask

2 · Projector

Move it to the projector and press F there for fullscreen.

3 · Calibration

Projector: flashes markers into the corners; drag the yellow corners afterwards to fine-tune. Laser: wave the laser around inside the projection for 4 s — thresholds and dot size are learned from it.

4 · Detection Laser color Min channel Dominance Min pixels Max pixels Smoothing Tracking radius also accept saturated white core only inside projection area

Reflections: the tracker keeps following the blob nearest to the previous position and prefers the brightest one; a new stroke only starts after the dot is seen in 2 consecutive frames.

5 · Drawing

Brush Brush size Fade after (s, 0 = never) Mirror

width

Laser menu: hold the laser in the dashed ☰ circle (top-right of the projection) to open it; hover an item to select.

6 · Snapshots

Saves the camera photo and the drawing to this browser. Download the photo, the drawing, or the photo with the drawing overlaid.

Log