Correct Edges

There are cases where image edges have ringing effects, as the illustrated in the picture below. Notice the overshooting edges around the windows and tree. This type of problems is generally caused by previous improper sharpening operations or bad camera optics.

To correct this type of problem, we can explore the multi-scale wavelet processing of Topaz DeNoise/EQ™. Topaz DeNoise/EQ™ has parameters in the “Advanced” settings tab that can selectively increase edge sharpness at different sizes. We can use this capability to correct the edges in the image.

The second picture is the result of Topaz DeNoise/EQ™ filter. We can see that the “ringing effect” of the original picture is largely corrected.

The key to effective edge correction is to experimentally select proper “Sharpness” and “Sharpness adjustment” at different sizes.