Run the unsharp mask
filter: Filter->Sharpen->Unsharp Mask.
Although resize options are available in Debabelizer, the program does not feature the "Sharpen" or "Unsharp Mask
" filters necessary to ensure optimum crispness in resized images.
My next step is to sharpen the result a tiny bit using the Unsharp Mask
filter (Filter > Sharpen > Unsharp Mask
I achieved the best processing using a combination of unsharp mask
and a few dozen iterations of Lucy-Richardson deconvolution.
Additionally, the software includes a full suite of post-processing tools, including RGB combine, digital development, Gaussian blur, deconvolution, unsharp mask
, and wavelet sharpening routines.
For example, here's how to selectively apply unsharp masking (Filter > Sharpen > Unsharp Mask
) to your image.
While there are many different ways to sharpen an image, mostly I prefer to use the Lasso tool with some feathering to select an area I wish to sharpen, and then apply the Unsharp Mask
filter with a radius of 1 to 2 pixels.
I prefer this technique to Photoshop's Unsharp Mask
because of the extended control RegiStax provides.
One important lesson I've learned after considerable experimentation is proper use of Adobe Photoshop's Unsharp Mask
Once I'm happy with these results, I use the Unsharp Mask
filter on the Luminosity layer, then flatten the image and save it as my final file.
I find the software's unsharp mask
to be one of the best I've ever used.
In addition, you can apply some mild sharpening by clicking on Filter > Sharpen > Unsharp Mask
, and tweaking both the Amount and Radius of the mask.