In this video we are going to see how we can give an extra touch of focus to a photograph by using Photoshop's 'High Pass' filter.
We will also see that this filter is not mathematically exact and we will see how to create a real 'High Pass'.
Both the 'Photoshop High Pass' and 'Real High Pass' filters can be used to sharpen an image.
00:00 Introduction
00:46 It is not used to correct out of focus images
01:33 Sharpening using Photoshop's 'High Pass' filter
03:51 'High Pass' filter is not mathematically exact
06:12 Real High Pass
09:23 Farewell