Drawing Scanner

* Webcam Experiment.

* Materials: Webcam (Sony Playstation Eye), foam board, Processing.

* Adjustable camera stand.

* Camera view on Macam.

* Changes in light position and the intensity from the environment.

* Solution: Enclose the webcam in a container and place lights (LEDs, spotlights) in it.

* Shape of the container: box.

* Box has 4 sides.

* 5 LEDs on every side of the box.

* Connected in parallel.

* External stands to build the container.

* The lights.

* The container with a lid (for adjustment purpose).

* Switch for the lights.

* Embedded on the container.

* Switch is placed outside for convenience.

* Some areas are darker. (Corner).

* Change in light position. (LEDs below the camera).

* Too near to the paper (Spotlight effects).

* More LEDs.

* Better result. Processing reads quite well.