usage:
drawLetters(myCapture.pixels,5);
drawLetters(checkInput(myCapture.pixels).pixels,5); // for dramatic effect

----

void drawLetters(color [] src, int spacing)
{
  for(int j = 0; j < vheight; j+=spacing)
  {
  for(int i = 0; i < vwidth; i+=spacing)
  {
    fill(0);
    //fill(src[j*vwidth+i]); // uncomment this if you want colored fonts
    textFont(dFont,determineFontSize(getAreaBrightness(src,i,j,spacing)));
    text(BaseTable[(int)random(0,BaseTable.length)],i*2,j*2);	// let it pick randomly.. lots a bit messy, but it works. 
  }
  }
}   

int determineFontSize(int b)
{
  if(b < 30)
    return fSz+25;
  if(b < 60)
    return fSz+23;
  if(b < 90)
    return fSz+21;
  if(b < 120)
    return fSz+19;
  if(b < 150)
    return fSz+17;
  if(b < 180)
    return fSz+15;
  if(b < 210)
    return fSz+13;
  if(b < 240)
    return fSz+11;
  if(b < 255)
    return fSz+10;
  return fSz;
}		    

int getAreaBrightness(color [] src, int x, int y, int sz)
{
  int bval = 0, count = 1;
  int xw = x+(sz*(vwidth/vheight)), yh = y+sz;
  
  for(int i = x; i < xw; i++)
  {
  for(int j = y; j < yh; j++)
  {
  
    bval += brightness(src[j*vwidth+i]);
    count++;
  }
  }
  return (int)(bval/count);
}

PGraphics3 checkInput(color [] video){
  PGraphics3 tmp = new PGraphics3(vwidth,vheight,null);
  int black = color(0,0,0);			// Declare some constants for colors.
  int white = color(255,255,255);
  int threshold = 127;
  
  int pix_val;					 // Declare variables to store a pixel's color.
  float pix_bri;
  
							   // Split the image into dark and light areas:
  for (int i=0; i<video.length; i++){	    // For each pixel in the video frame,
    pix_val = video[i];		   // fetch the current color in that location,
    pix_bri = brightness (pix_val);	    // and compute the brightness of that pixel.
				  
    if (pix_bri > threshold){		    // Now "binarize" the video into black-and-white,
	tmp.pixels[i] = white;			   // depending on whether each pixel is brighter
    } else {					   // or darker than a threshold value.
	tmp.pixels[i] = black;
    }
  }
  return tmp;
}