These effects can both be recreated in Photoshop.
The effect is rather dependent on image size. This tutorial is based on an image at 300 dpi.
- Make any cosmetic adjustments to your image, Levels, Curves etc.
- Duplicate the Background layer
- Select Filter> Blur> Gaussian Blur and set radius to 5.
- Immediately go to Edit> Fade Gaussian Blur and adjust the amount of Blur to suit.
- Change the Blend Mode to either Lighten or Darken dependant upon which effect you want.
[Click image to enlarge]