Mosaic 113 Gallery of Mosaic Images 114 Alternative Digital Photography Mosaic 115 Chapter 8 Fresco This chapter will deal with the use of a couple of Photoshop filters. There are many choices of filters, and there are plug-ins for Photoshop as well as other software programs. The number of possible effects is nearly limitless. To help narrow the field a little, these lessons will apply only a couple of the mon filters. They are particularly suited to the old-fashioned style of some of the other lessons you've seen in this book. The Fresco filter is what we will use in these lessons. Figure shows the original photograph that was used to create the opening image on the opposite page. The original is only 640 × 480 pixels, 300K pixels (which is equal to ). As reproduced here, you can see that this image is not sharp enough nor does it have enough pixels to make a good-quality image. Figures and show an enlarged section of both the original and the final image to show you the detail that is possible even when using a low-quality and small origi- nal image. The lessons that follow will show you how to do it. 118 Alternative Digital Photography Figure This is the original used to create the opening image. Figure An enlarged section of the final image. Figure An enlarged section of the original image showing the pixelation and general lack of sharpness. Fresco 119 Lesson —Applying a Single Filter This is the easiest method. Open your image in Photoshop. Next, enlarge your image to its final size. In this case, the original is inches by inches at 300 ppi (pixels per inch). It was enlarged to 8 inches by inches, also at 300 ppi, by using Bicubic Smoother. Bicubic Sharper is best used for reductions in size. Next the filter is applied: Filter > Artistic > Fresco. Figure shows the Filter Selection menu. Figure shows the pop-up Filter menu that also shows the image. The pop-up menu can
