Stig and myself testing IR-camera and motion tracking in Processing.

IR: The Apple iSight can see infra red!





And we got the motiontracking to work in Processing with iSight:


import processing.video.*;

// Variable for capture device
Capture video;
color trackColor;


void setup()
{
size(400, 300);
framerate(10);
colorMode(RGB,255,255,255,100);
// Using the default capture device
video = new Capture(this, 400, 300, 12);
trackColor = color(255); // Start off tracking for white
noFill();
smooth();
strokeWeight(4.0);
stroke(0);

}

void captureEvent(Capture camera)
{
camera.read();
}

void draw()
{

loadPixels();

// Draw the video image on the background
image(video,0,0);
// Local variables to track the color
float closestDiff = 500.0f;
int closestX = 0;
int closestY = 0;
// Begin loop to walk through every pixel
for ( int x = 0; x < video.width; x++) {
for ( int y = 0; y < video.height; y++) {
int loc = x + y*video.width;
// What is current color
color currentColor = video.pixels[loc];
float r1 = red(currentColor); float g1 = green(currentColor); float b1 = blue(currentColor);
float r2 = red(trackColor); float g2 = green(trackColor); float b2 = blue(trackColor);
// Using euclidean distance to compare colors
float d = dist(r1,g1,b1,r2,g2,b2);
// If current color is more similar to tracked color than
// closest color, save current location and current difference
if (d < closestDiff) {
closestDiff = d;
closestX = x;
closestY = y;
}
}
}
// Draw a circle at the tracked pixel
ellipse(closestX,closestY,16,16);
}

void mousePressed() {
// Save color where the mouse is clicked in trackColor variable
int loc = mouseX + mouseY*video.width;
trackColor = video.pixels[loc];
}