Image filtering is one of the most basic utility of image processing and computer vision. Any image processing application, like feature detection, is composed of applying a series of filters to the image. After reading this guide, you’ll be able to efficiently apply filters to images using shared memory of CUDA architecture. Here’s a step by step guide to write your own filter of any type and size. For simplicity I’ll use a 16 bit unsigned grey scale image in this tutorial.
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