TAILIEUCHUNG - Professional Information Technology-Programming Book part 47

Tham khảo tài liệu 'professional information technology-programming book part 47', công nghệ thông tin, kỹ thuật lập trình phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | . Monochrome Effects You may have already noticed that when you see the rare black and white advertising photo your attention is drawn to it immediately. In an oversaturated world that has become typical of digital photography a simple monochromatic statement stands out more than ever. Well black and white isn t the only monochrome technique. Some of the others are even more rare and attentiongetting. . Infrared One of the most charming effects you can get is infrared. Wedding photographers love it because a couple in traditional wedding garb running through a grassy hillside or forest look as though they ve floated into a living dream. Their skin tones are absolutely smooth and all the vegetation is a snowy white. Moreover although there are special filters for it you can make an Action of this routine that will automatically convert any image you shoot to infrared. And because the Action uses adjustment layers you can go back after the fact and readjust the effect as you like it. In Figure 10-37 you see the color photo from with the infrared on the right was made. Figure 10-37. The original image left and the monochrome infrared result right . You ll get the most dramatic results from a digital color image with highly saturated tones. You might even try the Velvia effect I suggested earlier in this chapter as I did for the image on the left in Figure 10-37. Here s how to turn that image into the infrared result you see on the right 1. Select all your layers and copy and merge the copies into a single layer at the top of the layers stack Cmd Ctrl-Opt Alt-E . 2. Duplicate the merged layer by selecting it in the Layers palette and then pressing Cmd Ctrl-J. 3. Change the Blend Mode of the Infrared layer to Overlay. 4. Name the duplicated Merged layer infrared. 5. Go to the Channels palette and choose the Green channel. Use the Gaussian Blur filter with the Uniform box checked to blur the green channel by someplace between 10 and 20 pixels. You ll decide .

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