hello everyone,
This is my first post on this forum and there will be lots more in future![]()
This is my first post on this forum and there will be lots more in future
i`m a beginner in processing and working on a motion detector using my webcam.
i`ve done my research and gathered some codings through Google.
MY real problem is that when an object is detected, i`m not able to save it on my pc. there`s some kind of error occurring. (line 65)
MY real problem is that when an object is detected, i`m not able to save it on my pc. there`s some kind of error occurring. (line 65)
if i comment this line, processing runs like a charm.
can someone please help me out with this please.
awaiting replies,
cheers
can someone please help me out with this please.
awaiting replies,
cheers
- import processing.video.*;
- // Variable for capture device
- Capture video;
- // Previous Frame
- PImage prevFrame;
- // How different must a pixel be to be a "motion" pixel
- float threshold = 300;
- void setup() {
- size(320,240);
- video = new Capture(this, width, height);
- video.start() ;
- // Create an empty image the same size as the video
- prevFrame = createImage(video.width,video.height,RGB);
- }
- void draw(){
- // Capture video
- if (video.available()) {
- // Save previous frame for motion detection!!
- prevFrame.copy(video,0,0,video.width,video.height,0,0,video.width,video.height); // Before we read the new frame, we always save the previous frame for comparison!
- prevFrame.updatePixels();
- video.read();
- }
- //initialsing time
- int sec = second(); // values from 0- 59
- int m = minute(); // Values from 0 - 59
- int h = hour(); // Values from 0 - 23
- int d = day(); // Values from 1 - 31
- int mo = month(); // Values from 1 - 12
- int year = year(); // 2003, 2004, 2005, etc.
- loadPixels();
- video.loadPixels();
- prevFrame.loadPixels();
- // 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; // Step 1, what is the 1D pixel location
- color current = video.pixels[loc]; // Step 2, what is the current color
- color previous = prevFrame.pixels[loc]; // Step 3, what is the previous color
- // Step 4, compare colors (previous vs. current)
- float r1 = red(current); float g1 = green(current); float b1 = blue(current);
- float r2 = red(previous); float g2 = green(previous); float b2 = blue(previous);
- float diff = dist(r1,g1,b1,r2,g2,b2);
- pixels[loc]=video.pixels[loc];
- // Step 5, How we engage the detection part
- // If the color at that pixel has changed, then there is motion at that pixel.
- if (diff > threshold) {
- // If motion, save frame
- println("Object detected at " +h+ "/" + m + "/" +sec+ " "+ d+ "/"+ mo+ "/"+ year); // objected detected with time
- saveFrame("Object-######.jpg"); // Saves each frame as object-000000.jpg, object-000001.jpg, etc.
- } else {
- continue;
- }
- }
- }
- updatePixels();
- }