Wiley 978-0-470-34517-7 Datasheet

3Camera film and photographic prints are not yet things of the past, and hopefully, there will always be a place for these beloved medi-ums. But human

12Welcome to Adobe Photoshop CS4Part IThe type of layer shown is a shape layer, a layer completely filled with a color (in this case, black) and that

13Working with Digital Images1Figure 1.5 shows a vector-only image with four colors. The layers are linked so that they resize together.Figure 1.6 sho

14Welcome to Adobe Photoshop CS4Part IWhile the vector parts of the image are still resolution-independent and can be resized with no worries, the ima

15Working with Digital Images1Color modeThe color mode of an image specifies which basic set of colors is used to make up an image. You can specify th

16Welcome to Adobe Photoshop CS4Part I FIGURE 1.10CMYK mode channels FIGURE 1.11Lab mode channelsn Grayscale mode. Black, white, and shades of gray ar

17Working with Digital Images1n Duotone mode. In Duotone mode, one to four custom inks can be used to make up the colors in an image. Figure 1.14 show

18Welcome to Adobe Photoshop CS4Part I The Duotone-mode images can be referred to as monotones, duotones, tritones, or quad-tones. Their values are t

19Working with Digital Images1n Multichannel mode. Multichannel mode uses only spot channels (see Figure 1.16), chan-nels that store parts of an image

20Welcome to Adobe Photoshop CS4Part IBefore you begin working on an image, you can specify the color spaces (also called color profiles or gamuts) fo

21Working with Digital Images1CROSS-REFCROSS-REFMore about color management is discussed in Chapter 23.File formatVarious destinations for an image, s

4Welcome to Adobe Photoshop CS4Part I FIGURE 1.1Some of the individual pixels in an image are magnified and shown here.Color and lightness qualities o

22Welcome to Adobe Photoshop CS4Part I TABLE 1.2 (continued)Format ExtensionEPS with PICT Preview .epsEPS with TIFF Preview .epsFilmstrip .flmGoogle

23Working with Digital Images1Low versus high resolutionBitmap images, as opposed to vector-only images, depend on the number of pixels in the image t

24Welcome to Adobe Photoshop CS4Part ICROSS-REFCROSS-REFFor more about image resolution and resizing, see Chapter 5.Getting Images into PhotoshopIt’s

25Working with Digital Images1 FIGURE 1.19USB connectors FIGURE 1.20FireWire connectorsFireWireYou can also contact the manufacturer to find out what

26Welcome to Adobe Photoshop CS4Part ICROSS-REFCROSS-REFAdobe Bridge provides a useful visual interface to find, open, and process files on your compu

27Working with Digital Images1 FIGURE 1.22The Adobe Bridge Photo DownloaderScannersYou can scan negatives, slides, and other transparencies with a fil

28Welcome to Adobe Photoshop CS4Part IYou can be confident that images for print will have enough resolution if they are scanned at 300ppi resolution

29Working with Digital Images1There may also be a download button in the e-mail program, which may not give you an opportu-nity to choose a location o

30Welcome to Adobe Photoshop CS4Part I FIGURE 1.23iMovie lets you capture and save a still frame by navigating to the frame within the movie clip and

31Working with Digital Images1 FIGURE 1.24iMovie detects a connected video camera and lets you import the video by clicking the Import button.If these

5Working with Digital Images1Hue, Saturation, and BrightnessThe Hue, Saturation, and Brightness (HSB) color model is not a color mode that can be assi

32Welcome to Adobe Photoshop CS4Part IStoring Digital ImagesIt’s easy for digital images to accumulate to an unmanageable number, and storing and back

6Welcome to Adobe Photoshop CS4Part IOverview of the main types and characteristics of digital imagesFollowing are basic descriptions of digital image

7Working with Digital Images1Bit depth is measured in bits per channel (bpc):n 1 bit/channel. An image with a bit depth of 1 has pixels with only two

8Welcome to Adobe Photoshop CS4Part ICAUTION CAUTIONEight-bpc RGB images are sometimes called 24-bit images (8 bits x 3 channels = 24 bits of data for

9Working with Digital Images1Following are the steps to convert from 32-bpc HDR to 16- or 8-bpc: 1. Choose Image ➪ Mode ➪ 16 Bits/Channel or 8 Bits/Ch

10Welcome to Adobe Photoshop CS4Part IBitmap (raster) and vectorA bitmap, or raster, image gets its detail from the number of pixels it contains, whic

11Working with Digital Images1Images that are made up of some combination of solid colors, simple gradations between colors, distinct shapes, and line