http://www.digitalfieldguide.com/blog/598 Digital Photographs and Techniques from Harold Davis Sat, 17 May 2008 00:42:09 +0000 http://wordpress.org/?v=2.3.2 http://www.digitalfieldguide.com/blog/598#comment-52999 Photoblog 2.0: » Photoblog 2.0 Archive: » Trio of Double Hellebores Wed, 12 Dec 2007 20:05:49 +0000 http://www.digitalfieldguide.com/blog/598#comment-52999 [...] on the image in Photoshop using a variety of blending modes with duplicated inversions of LAB channels. [...] […] on the image in Photoshop using a variety of blending modes with duplicated inversions of LAB channels. […]

]]> http://www.digitalfieldguide.com/blog/598#comment-43981 Photoblog 2.0: » Photoblog 2.0 Archive: » Faerie Rose on Black Fri, 12 Oct 2007 15:40:16 +0000 http://www.digitalfieldguide.com/blog/598#comment-43981 [...] ted part of our garden, first on white, then via an inversion of the Luminosity channel in LAB color, on black. By the way, the original Photoshop files for these two images are huge, each a b [...] […] ted part of our garden, first on white, then via an inversion of the Luminosity channel in LAB color, on black. By the way, the original Photoshop files for these two images are huge, each a b […]

]]> http://www.digitalfieldguide.com/blog/598#comment-43980 Photoblog 2.0: » Photoblog 2.0 Archive: » Faerie Rose on Black Fri, 12 Oct 2007 15:40:11 +0000 http://www.digitalfieldguide.com/blog/598#comment-43980 [...] ted part of our garden, first on white, then via an inversion of the Luminosity channel in LAB color, on black. By the way, the original Photoshop files for these two images are huge, each a b [...] […] ted part of our garden, first on white, then via an inversion of the Luminosity channel in LAB color, on black. By the way, the original Photoshop files for these two images are huge, each a b […]

]]> http://www.digitalfieldguide.com/blog/598#comment-42942 Photoblog 2.0: » Photoblog 2.0 Archive: » Roughly, Millenium Wed, 03 Oct 2007 18:35:27 +0000 http://www.digitalfieldguide.com/blog/598#comment-42942 [...] s, plastic gnomes, wishing wells, or pink flamingos in their garden… Read more. Post 598: I’ve been reading Dan Margulis’s masterful Photoshop LAB Color: The Canyon Conundrum an [...] […] s, plastic gnomes, wishing wells, or pink flamingos in their garden… Read more. Post 598: I’ve been reading Dan Margulis’s masterful Photoshop LAB Color: The Canyon Conundrum an […]

]]> http://www.digitalfieldguide.com/blog/598#comment-37636 Photoblog 2.0: » Photoblog 2.0 Archive: » Persistence of Vision Tue, 31 Jul 2007 15:49:35 +0000 http://www.digitalfieldguide.com/blog/598#comment-37636 [...] create an appropriate mask by converting a duplicate of the darker version of the image to LAB color. Next, I dropped the A and B channels of the image, leaving just the luminosity information. [...] […] create an appropriate mask by converting a duplicate of the darker version of the image to LAB color. Next, I dropped the A and B channels of the image, leaving just the luminosity information. […]

]]> http://www.digitalfieldguide.com/blog/598#comment-13499 Photoblog 2.0: » Photoblog 2.0 Archive: » Golden Wonder Tue, 20 Mar 2007 18:48:39 +0000 http://www.digitalfieldguide.com/blog/598#comment-13499 [...] cessed this image from Camera RAW using my normal workflow to reduce noise and selectively enhance luminance and radiance (this story will give you an idea of what I mean by enhancing radiance). [...] […] cessed this image from Camera RAW using my normal workflow to reduce noise and selectively enhance luminance and radiance (this story will give you an idea of what I mean by enhancing radiance). […]

]]> http://www.digitalfieldguide.com/blog/598#comment-7705 Photoblog 2.0: » Photoblog 2.0 Archive: » Nautilus 69 Sat, 27 Jan 2007 21:20:19 +0000 http://www.digitalfieldguide.com/blog/598#comment-7705 [...] otated version of itself. The mild Photoshopping consists of blending the original with a LAB color inversion of itself using the Multiply belnding mode at a low opacity and a layer mask (creat [...] […] otated version of itself. The mild Photoshopping consists of blending the original with a LAB color inversion of itself using the Multiply belnding mode at a low opacity and a layer mask (creat […]

]]> http://www.digitalfieldguide.com/blog/598#comment-7635 Photoblog 2.0: » Photoblog 2.0 Archive: » Cyclamen Fri, 26 Jan 2007 18:41:18 +0000 http://www.digitalfieldguide.com/blog/598#comment-7635 [...] 8217;s what I did. I took a duplicate of the center component exposure and converted it to LAB color. Next, I inverted the luminosity channel to come up with a reverse image of the white strip ( [...] […] 8217;s what I did. I took a duplicate of the center component exposure and converted it to LAB color. Next, I inverted the luminosity channel to come up with a reverse image of the white strip ( […]

]]> http://www.digitalfieldguide.com/blog/598#comment-5027 Photoblog 2.0: » Photoblog 2.0 Archive: » Xrays, Photograms, and Cross Processing, Oh My! Sun, 29 Oct 2006 17:07:22 +0000 http://www.digitalfieldguide.com/blog/598#comment-5027 [...] nding modes. My own cross-processing technique is complicated, and starts with the use of LAB color. I plan to explain some of the details of the process in a future story. Related links: Phot [...] […] nding modes. My own cross-processing technique is complicated, and starts with the use of LAB color. I plan to explain some of the details of the process in a future story. Related links: Phot […]

]]> http://www.digitalfieldguide.com/blog/598#comment-3978 Photoblog 2.0: » Photoblog 2.0 Archive: » Bougainvillea Fri, 22 Sep 2006 23:04:04 +0000 http://www.digitalfieldguide.com/blog/598#comment-3978 [...] s was a pretty straight studio shot of a bougainvillea bract. In Photoshop, I converted to LAB color. I kept a copy of the original, and inverted each channel, which I applied back in various bl [...] […] s was a pretty straight studio shot of a bougainvillea bract. In Photoshop, I converted to LAB color. I kept a copy of the original, and inverted each channel, which I applied back in various bl […]

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