Module Laplacian Filter
Other Common Names: Laplacian, Laplacian of Gaussian, LoG, Marr Filter
Standard kernel 1 (3x3):
0 | -1 | 0
-- + -- + --
-1 | 4 | -1
-- + -- + --
0 | -1 | 0
Standard kernel 2 (3x3):
-1 | -1 | -1
-- + -- + --
-1 | 8 | -1
-- + -- + --
-1 | -1 | -1
Standard kernel 3 (3x3):
-1 | -2 | -1
-- + -- + --
-2 | 12 | -2
-- + -- + --
-1 | -2 | -1
Parameters
| Name | Type | Identifier | Description | Constraints |
Input | Grid | Grid (input) | INPUT | - | - |
Output | Filtered Grid (*) | Grid (optional output) | RESULT | - | - |
Options | Method | Choice | METHOD | - | Available Choices: [0] standard kernel 1 [1] standard kernel 2 [2] Standard kernel 3 [3] user defined kernel Default: 3 |
Standard Deviation (Percent of Radius) | Floating point | SIGMA | - | Minimum: 0.000010 Default: 50.000000 |
Radius | Integer | RADIUS | - | Minimum: 1 Default: 3 |
Search Mode | Choice | MODE | - | Available Choices: [0] square [1] circle Default: 1 |
(*) optional |
Command-line
Usage: saga_cmd grid_filter 2 -INPUT <str> [-RESULT <str>] [-METHOD <str>] [-SIGMA <str>] [-RADIUS <num>] [-MODE <str>]
-INPUT:<str> Grid
Grid (input)
-RESULT:<str> Filtered Grid
Grid (optional output)
-METHOD:<str> Method
Choice
Available Choices:
[0] standard kernel 1
[1] standard kernel 2
[2] Standard kernel 3
[3] user defined kernel
Default: 3
-SIGMA:<str> Standard Deviation (Percent of Radius)
Floating point
Minimum: 0.000010
Default: 50.000000
-RADIUS:<num> Radius
Integer
Minimum: 1
Default: 3
-MODE:<str> Search Mode
Choice
Available Choices:
[0] square
[1] circle
Default: 1