Altami Software - software for image analysis
Altami Software
Software for image analysis

Laplace filter


Used instruments: Laplace transformation filter.

Objects of examination: halftone image (Monochrome.jpeg).

Task: to put in light and to select the borders of objects in the image, and to increase the sharpness.

NOTE. Tutorial does not contain the information on all the possibilities of the application. Here the optimal way of solving the task set is offered.

Step 1. Launch of the application

Launch the Altami Studio application. In order to launch the application, use the Altami Studio shortcut at the workbench or the menu item Start→Programs→Altami Ltd→Altami Studio 3.0. Besides, the application can be launched from the folder where the application was installed (usually it is C:\Program Files\Altami Ltd\Altami Studio 3.0\).

Step 2. Opening the file

In Altami Studio application open the file with the image, in order to do that use the menu item File→Open and select the Monochrome.jpeg file. It is in Tutorials\Picturesfolder which is in the main folder of the application. Click the Open button.

The following image shall appear in the application window:

Picture 1. Opened document in Altami Studio application

Step 3. Adding the Laplace filter to the document

In order to use the Laplace filter, call the Filters panel through the menu Фильтры Filters→Filters.

Image 2. Opening the Filters panel

Then select in the menu item Filters→Gray transformations→Laplace.

Image 3. Adding the Laplace transformation filter

Step 4. Setting the Laplace transformation filter

By selecting the Laplace filter at the Filterspanel in its lower part there appears a window with the settings of this filter.

Image 4. Laplace transformation filter

Indicate the value of the size parameter as 5.

Image 5. The result of the Laplace transformation

Read more on the subject:

Multifocus tool
Sub background filter
Pseudocolor filter
Sobel filter
Threshold filter
Threshold of color image filter
Adjust histogram
Configured find contours
Inpaint image by mask filter


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