Upward Bound Convolution Demo
Convolve Application
This application can load any bitmapped image (.bmp) and apply any
3x3 kernel. The optimal image size is 256x256. Made to work with
grey scale pictures but works with colors as well (although
result after covolution is grey scale).
Related Web Sites
The mathematics behind linear filters
Another Demo
Sample Kernels
Blur
.11 .11 .11
.11 .12 .11
.11 .11 .11
Negate
1 1 1
1 -7 1
1 1 1
Sharpen
-1 -1 -1
-1 9 -1
-1 -1 -1
Edge detection
-1 -1 -1
-1 8 -1
-1 -1 -1
Kernels discovered by students at 1-25-03 Upward Bound
Workshop
0 -3 0
0 0 1
1 1 1
0 0 2
1 0 1
0 -6 3
0 1 0
0 1 0
0 1 0
1 1 2
3 -5 2
-8 1 4
0 -3 0
0 9 0
0 -3 0
2 2 2
2 -4 2
2 2 2
1 1 1
-8 1 2
1 1 1
2 -1 2
1 0 1
0 -9 3
mstrout@cs.ucsd.edu
.... January 28, 2003