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:




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

Click to see all 70+ filters, effects and functions available in Images: In Context!™

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