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Updated December 22, 2007

Online reshader updates

Filed under: Reshade development — subpic @ 12:20 pm

Several modifications have been made lately to the online reshader. To name just a few:

About the algorithm:

  • fixed tearings - on some uniform surfaces, small cracks appeared
  • added preferential reshading - only harder edges are sharpenened; more noticeable for faces
  • fixed sharpening side-effects - less dark patches appear
  • updated to a faster implementation

Site user interface related:

  • fixed synchronization issues
  • other bug fixes

Updated August 10, 2008

Reshade Client-Side Beta Evaluation

Filed under: About reshade — subpic @ 5:18 pm

Update: Reshade Image Enlarger is out of beta
see the latest version of the photo enlargement software here.

I’ll describe in a little more detail some of the controls available in the new Reshade client-side version. Here’s how the options bar appears:

Reshade Options Bar

The main controls are:

  • zoom
  • image size
  • edge control
  • smooth defects
  • contrast details
  • accuracy
  • edge threshold
  • best quality

Zooming, with the zoom slider, or entering a value in the zoom text box offers an easy way to view the image at different sizes, enlarge the image and see a quick preview. If you require more control use the image size box where you can enter the new width and height of the resized image.

The most important option available is the Edge control. This allows to adjust the sharpening of the resized image. Expect significant changes to the resulting photo enlargement when varying this. Generally an optimum value is used when the auto option is checked.

Several other options complement Edge control: Contrast details, Accuracy and Edge threshold. Contrast details permits a different kind of sharpening that works by accentuating contours giving them a more 3D look. Accuracy influences the way edges are approximated in the resized image. Less accuracy usually means rounder edges while more accuracy means higher precision and, on very large zooms, a finer artistic touch. Edge threshold makes possible selective edge transformations. Lower edge threshold allows more edges to be transformed. Higher threshold only transforms stronger (less smoother) edges.

Smoothing can be used on the image to remove noise and image defects while doing the image resizing. It’s very helpful combined with higher values for contrast details.

Finally, even better zooming is possible enabling the best quality check box.

Check out the photo enlarger and see how you can order it here.

Updated November 30, 2007

A peek at the stand-alone reshade

Filed under: Reshade development — subpic @ 7:32 pm

Reshade stand alone version soon to be released in beta. The demo will be available for download on the site. In the meantime check out some of the features:

Reshade application
Reshade stand alone version


Video of a reshade session




Highlights:

  • infinite zoom ability, limited to 100x (10000% increase in image area) because of running out of pixels
  • refined edge control
  • smoothing for defects, noise, compression artifacts and other image problems
  • contrast details - small level sharpening
  • accuracy - even finer control over edges in the image
  • zooming on selection & panning enabled
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