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Virtual Dub. Image processing with filters

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Video processing with filters can be done directly during capture, but most filters are very resource-demanding and therefore not suitable for real-time processing. Therefore, most often, filters have to process already captured video. It is this case that we will consider in detail.

VirtualDub is running and the AVI file to be processed is opened. Let's move on to filters.

In the window that opens, the list is initially empty, to add a filter to it, press the "Add ..." button.

Initially, the VirtualDub program already contains a number of filters, they are built in and appear as "Internal" in the list. But built-in filters are often not enough. So, for example, in order to remove the "comb" it is better to use an external filter. External filters are downloaded from the Internet additionally.

The filter itself (external) is a file with the .vdf extension. To connect such a filter to VirtualDub, you just need to place it in the "VirtualDubPlugins" directory.

So, having selected one of the filters, click "OK".

Thus, we choose the required number of filters, be sure to configure them. You can configure the filter by clicking the "Configure ..." button.

Be sure to keep in mind that in what order the filters are located in this list, in that order they will be superimposed on the image. If necessary, you can move the filters up or down using the "Move Up" and "Move Down" buttons, respectively.

Having selected and configured the necessary filters, click "OK" and return to our AVI file. Now we can see the result.

Frame sizes are often very large, which do not even fit on the monitor screen, as in the above example. In this case, you can swap the original and received frames. Those. when changing, on the left we will fully see the frame - the result, and the original frame, on the right - already something to fit.

Now, in order to finally apply all these filters to the original AVI file, it must be saved. But first make sure that "Full processing mode" is selected for the video stream.

Actually saving.

Author: Dmitry Kornev; Publication: pctuner.ru

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