GMU:Eval(nature)/Andre Faupel - Revision history

Andrefaupel at 17:06, 16 June 2015

2015-06-16T17:06:17Z

← Older revision		Revision as of 17:06, 16 June 2015
Line 1:		Line 1:
			Sein und Nichtsein, das ist immer die Antwort.

	== Idee ==		== Idee ==

Andrefaupel at 22:18, 1 June 2015

2015-06-01T22:18:01Z

@@ Line 1: / Line 1: @@
 [http://www.uni-weimar.de/medien/wiki/images/Drops_evalnature_color_trails.zip sketch for visual juicing]
 [[File:Af_drops_simple_trails.png|720px|thumb|left|trails]]
 [[File:Af_drops_color_corr.png|560px|thumb|left|color correction]]

Andrefaupel at 17:13, 4 May 2015

2015-05-04T17:13:27Z

@@ Line 1: / Line 1: @@
-//// threshold for fine-tuning and artefacts
+[http://www.uni-weimar.de/medien/wiki/images/Drops_evalnature_color_trails.zip sketch for visual juicing]
-void setup() {
+[[File:Af_drops_simple_trails.png|720px|thumb|left|trails]]
+[[File:Af_drops_color_corr.png|560px|thumb|left|color correction]]

Andrefaupel at 07:19, 30 April 2015

2015-04-30T07:19:08Z

← Older revision		Revision as of 07:19, 30 April 2015
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	///setup previous frame and output-image		///setup previous frame and output-image
	save = createImage(~~1280~~, ~~720~~, RGB);		save = createImage(cam.width, cam.height, RGB);
	out = createImage(~~1280~~, ~~720~~, RGB);		out = createImage(cam.width, cam.height, RGB);
	}		}

Andrefaupel: Created page with "==Pixel Motion Detection -- File Input ==

 import processing.video.*; Movie cam; PImage save, out;   //// threshold for fine-tuning and artefacts float thres..."

2015-04-29T21:20:52Z

Created page with "==Pixel Motion Detection -- File Input == <pre style="font=2"> import processing.video.*; Movie cam; PImage save, out; //// threshold for fine-tuning and artefacts float thres..."

New page

==Pixel Motion Detection -- File Input ==

<pre style="font=2">
import processing.video.*;
Movie cam;
PImage save, out;

//// threshold for fine-tuning and artefacts
float thresh = 2;

void setup() {

///change to your footage path
cam = new Movie(this, "E:/vids/MVI_5018.MOV");

cam.loop();
cam.jump(random(cam.duration()));
cam.volume(0);

// set windows size to match footage resolution
size(cam.width, cam.height);

///setup previous frame and output-image
save = createImage(1280, 720, RGB);
out = createImage(1280, 720, RGB);
}

void draw() {

loadPixels();
motiondetect();

out.updatePixels();
image(out, 0, 0, width, height);

}

void motiondetect() {

cam.loadPixels();
save.loadPixels();

///scann through input pixels
for (int x = 0; x < cam.width; x ++ ) {
for (int y = 0; y < cam.height; y ++ ) {
int loc = y*cam.width+x;
color c = cam.pixels[loc];
color c_l = save.pixels[loc];

///get colors of each pxl
float r = red(c);
float g = green(c);
float b = blue(c);
///get colors of each pxl -> prev frame
float r_l = red(c_l);
float g_l = green(c_l);
float b_l = blue(c_l);

///compare
float dif = dist(r, g, b, r_l, g_l, b_l);

///exchange pxls to make change visible
if (dif>thresh) {
out.pixels[loc] = color (abs(r-r_l), abs(g-g_l), abs(b-b_l));
} else {
out.pixels[loc] = color (0);
}
}
}
}

void movieEvent(Movie m) {

///get cam image and copy as previous frame
if (m.available()) {
save = m.get();
save.updatePixels();
m.read();
}
}

</pre>