Started by PeterAit, November 10, 2018, 06:20:12 pm
Quote from: John Hollenberg on December 21, 2018, 09:01:25 pmThanks, that helps a lot. So you would turn off capture sharpening in Lightroom prior to export?
Quote from: BartvanderWolf on December 21, 2018, 07:52:14 pm...Export a 16-bit/channel TIFF. I then use Topaz Clarity (now Precision Contrast) and Topaz (Precision) Detail for contrast control and detail enhancement. Since Focusmagic does a better job at sharpening, I'd finish processing that TIFF in Photoshop or Affinity Photo and apply Focusmagic sharpening with a Luminosity Blending Layer...
Quote from: earlybird on January 25, 2019, 07:26:13 amI thought the recommended workflow was to use Focus Magic prior to adjustments such as Topaz Clarity and Topaz Detail. Have opinions about this changed?
Quote from: BartvanderWolf on January 27, 2019, 03:58:29 amGood point, I should have been clearer. I work in layers. One layer is for Capture sharpening and that layer is set to Luminosity blending on a Blend-If layer to avoid the deconvolution sharpening leading to potential clipping. This allows disabling the layer when I want to downsample the image, because the sharpness can lead to downsampling artifacts showing up and adds nothing useful for a smaller size anyway. The downsampling also reduces noise unless it got sharpened too much. So it's best not to sharpen before down-sampling, if it can be avoided, or simply turned off by deselecting the layer.On another layer do Clarity/local contrast adjustments and Detail modification or Creative 'sharpening'. I might add another layer for output sharpening for a specific output size, but I mostly use Qimage for output, and it has excellent resizing and subsequent halo-free output sharpening capabilities.Cheers,Bart
Quote from: Arlen on January 28, 2019, 10:28:43 amBart, I've learned a lot from you about using Focus Magic for sharpening, but there is one thing I have never quite understood. If you make any further adjustments--other than with Photoshop's special Adjustment Layers--after using FM as a first step on a blend-if layer, then it seems the FM adjustments have to be baked into those subsequent higher layers. For example, as you have described elsewhere, by making a Merged All Below layer upon which you then make Topaz Detail and/or Clarity adjustments. But then at that point you can't just turn off the FM adjustment (e.g., for downsizing) by deselecting its layer, because the Merged All Below layer above it still contains the FM adjustment. So it seems that there's no way to used things like Topaz Detail or Clarity (or Studio adjustments in general) without losing the ability to easily turn off FM sharpening?
Quote from: BartvanderWolf on January 28, 2019, 11:57:28 amHi Arlen,2. Alternatively, one can start by producing 2 copies of the original Background layer. One with the FM Capture sharpening and Luminosity Blend-If behavior, and another with Clarity and Detail adjustments. If you keep the FM Capture sharpening layer on top, you can switch it on/off as needed.Cheers,Bart
Quote from: Arlen on January 28, 2019, 01:30:58 pmBut if the Clarity & Detail, etc., adjustments are below the FM Capture sharpening layer, their effects are mostly obscured, no? At least that's what happens for me. (And without the Luminosity Blend-if setting in the topmost FM layer, the effects of lower layers are completely obscured, as I would expect.)
Quote from: earlybird on January 28, 2019, 03:36:24 pmWhat percent of blend do you often times use?
Quote from: BartvanderWolf on January 28, 2019, 03:48:25 pmDepends on the image. But I often use 100% opacity for the FocusMagic layer itself (and let the Blend-if settings pick the opacity/transparency based on the underlying layer). My FM settings are usually a blur width of 1 (sometimes 2), with an amount of 75-175 percent. That's for a camera with an AA-filter (Optical Low-Pass Filter, or OLPF). Camera's without OLPF are hard to sharpen without exaggerating the aliasing artifacts.I attached my Blend-if starting settings for sharpened Luminosity layers for Photoshop and Affinity Photo.Cheers,Bart
Quote from: LesPalenik on February 11, 2019, 12:39:25 pmHas anybody compared the uprezzing quality between Topaz Gigapixel and Corel PhotoZoom Pro 7?
Quote from: plugsnpixels on February 17, 2019, 12:15:03 pmLes, you mean BenVista's plug-in? I did at the bottom of this post.
Quote from: BartvanderWolf on February 17, 2019, 01:30:09 pmHi Les,Yes, we have a new winner, Topaz A.I. Gigapixel. The king is dead, long live the new King.Cheers,Bart
Quote from: LesPalenik on February 19, 2019, 06:59:15 amI never heard the BenVista name, and don't know if it is the same product as marketed by Corel under the name Photo Zoom Pro.Thanks, Bart. It will be interesting to see how Topaz can train their new AI Gigapixel program to improve its capabilities in the next few updates.
Quote from: Arlen on April 21, 2019, 12:42:41 pmI realize this thread is a little old, but I recently ran some tests on the effects of the GPU on Gigapixel AI performance that I though might be of interest to some who are grappling with performance issues. Might as well keep such info in one place I guess.
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