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Images: In Context! For Windows

Images: In Context! is a powerful, but easy to use image utility giving you more than 70 amazing image effects and tools - all available by just right cliking on your photos in Windows.

Images: In Context! Feature Description: Convolution Filter / Custom Filter / Matrix Filter

The Custom Filter, or Convolution Filter, allows you to create your own custom filters. A convolution filter loops through every pixel in an image and performs the calculations you tell it to perform. These calculations can result in anything from a custom emboss filter, to a high-pass filter, to nearly anything you can dream up. The convolution filter in Images: In Context! allows you to convolve a 5x5 grid. Most filters require you to set only a few of the fields for calcuation.

For instance, here is a typical emboss filter:

1, 0, 0
0, 0, 0
0, 0, -1

Here is a typical sharpening matrix:
1, 1, 1
1, -8, 1
1, 1, 1

Here is a more complex Laplacian edge detector
-1, -1, -1, -1, -1
-1, -1, -1, -1, -1
-1, -1, 24, -1, -1
-1, -1, -1, -1, -1
-1, -1, -1, -1, -1

I came up with the following sample in about 60 seconds:

Convolution Filter

The art of constructing convolution filters is well beyond the scope of this document, however much can be learned about them by searching the web.

Detailed Feature List

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