Photoshop cs5 cho nhiếp ảnh gia part 7 ppsx

... shown in Figure 1. 2). Although you can create motion blurs in Photoshop, planning your image ahead of time (for example, using a slow shutter speed combined 607343c 01. indd 2 4 /11 /10 11 :02:22 PM 6 c ... in the “Exposure” section of this chapter) to optimize 607343c 01. indd 6 4 /11 /10 11 :02:26 PM 5 ■ CHOOSING RAW VERSUS JPEG Figure 1. 3 A section of an image originally captured...

Ngày tải lên: 02/07/2014, 06:21

... n An o n 607343c01.indd 7 4/11/10 11: 02: 27 PM 6 c h a p t e r 1: THINKING DIGITALLY ■ 25 6 possible tonal values, each pixel has 16.7 million (25 6 × 25 6 × 25 6) possible color values, as shown ... Component Possible Colors per Pixel 8 bits JPEG 25 6 16.7 million 12 bits RAW 4,096 68.7 billion 16 bits PSD, TIFF 65,536 28 1 trillion Now, 16 million color choices may seem like more t...

Ngày tải lên: 02/07/2014, 06:21

... to your exposure. 60 734 3c01.indd 14 4/11/10 11:02 :32 PM 13 ■ UNDERSTANDING HISTOGRAMS Figure 1.8 If your image contains very saturated colors, the RGB histogram may indicate potential blown-out ... you may be able to capture those areas of the flower or bird with more detail. 60 734 3c01.indd 13 4/11/10 11:02 :32 PM 16 c h a p t e r 1: THINKING DIGITALLY ■ Compare the image and histogra...

Ngày tải lên: 02/07/2014, 06:21

... the right is just before the end of the histogram.) Ph ot o b y EllEn An o n 607 343 c01.indd 18 4/ 11/10 11:02 :41 PM 14 c h a p t e r 1: THINKING DIGITALLY ■ Figure 1.9 A histogram for this shade ... see a histogram that looks like Figure 1.11, you need to add light to your exposure. 607 343 c01.indd 14 4/11/10 11:02:32 PM 17 ■ UNDERSTANDING HISTOGRAMS Figure 1.13 shows an overexposed...

Ngày tải lên: 02/07/2014, 06:21

... (overexposed), it records a maximum value of 255 and a corresponding voltage level is produced. Light levels in between are recorded as some value between 0 and 255 . Although silicon doesn’t suffer directly ... histogram. Note: Some photographers new to digital and Photoshop think they don’t have to worry about exposure anymore because they can “fix it” later in Photoshop. The harsh re...

Ngày tải lên: 02/07/2014, 06:21

... important to remember that Photoshop enables you to combine images in a seemingly infinite variety of ways. You have to adjust your thinking to include seeing the potential for an image. Expanding ... we’ll discuss it more in Chapter 8. In addition, there are several other ways to combine 16- bit exposures 60 7343c01.indd 31 4/11/10 11:02:49 PM 29 ■ COLOR MANAGEMENT Color-Management Esse...

Ngày tải lên: 02/07/2014, 06:21

... how to remove objects in Photoshop in Chapter 5.) Aperture and Lightroom A few years ago the software choices for digital photography were fairly limited; Photoshop and Photoshop Elements dominated ... themselves to photographing parts of a picture that you will later combine in Photoshop. You can create libraries of these image elements to use at some later time. 6 073 43c01.indd 32...

Ngày tải lên: 02/07/2014, 06:21

... unchecked and instead double-click an image or right-click on an image and choose Open with > Photoshop Elements 8, you will see the limited version of ACR. In that case there’s an Open button ... unchecked and instead double-click an image or right-click on an image and choose Open with > Photoshop Elements 8, you will see the limited version of ACR. In that case there’s a...

Ngày tải lên: 02/07/2014, 06:21

... help Bridge run faster. As shown in Figure 2 .9, check Adobe Bridge, Adobe Out- put Module, Adobe Photoshop CS5, and Auto Collection CS5. Figure 2 .9 Select only those scripts that you need in ... check box is cleared, raw files open into ACR hosted by Photoshop. When you check the box, the ACR dialog box opens without launching Photoshop. This may seem like a subtle distinction, bu...

Ngày tải lên: 02/07/2014, 07:20

... 2.11. 607343c02.indd 50 4/11 /10 11:03 :10 PM 52 c h a p t e r 2: BRIDGE ■ One of the handy features of the Downloader is the ability to rename the files while importing them. CS5 added the ability to ... photographed or the location. 607343c02.indd 51 4/11 /10 11:03:11 PM 50 c h a p t e r 2: BRIDGE ■ Advanced This section (shown in Figure 2 .10) contains several settings. These are mat-...

Ngày tải lên: 02/07/2014, 07:20

... a layer mask using a graphics tablet. For Photoshop Elements Users: Setting Brush Options The Elements Brush drop-down list is simpler than the one in CS5, having no options for Master Diameter ... up a panel that allows you to choose which brush options are affected by pen pressure. We recommend leaving this at the default, Size. Try It! Now comes the fun part. You have an empty canv...

Ngày tải lên: 02/07/2014, 07:20

... flying through it. In Photoshop this is akin to having a pixel layer that is partially transparent (the part that you removed from the print is the transparent part) and partially filled with ... as a Smart Object from ACR, check the Open in Photoshop as Smart Objects option in Workflow Options, and then choose Open Object (or in Photoshop choose File > Open as Smart Object). See...

Ngày tải lên: 02/07/2014, 07:20

... Anchor points allow you to place a handle on a particular point on the curve and adjust its position. When you do so, Photoshop automatically smoothes out the curve to connect all the anchor ... 11 :42: 55 PM 262 c h a pt e r 6: E X P O SU R E ADJ U ST M E N TS ■ For Photoshop Elements Users: Curves (Continued) 3. On the left, Elements provides different preset styles. We recommend choo...

Ngày tải lên: 02/07/2014, 07:20

... be times when you want to target a spe- cific part of your image to change, a part that will be determined by the subject matter rather than by a particular color range. For example, you may ... enhance parts of your image— such as the eyes of your subject—is invaluable. Arthur Morris, a world-renowned bird photographer, offers some thoughts on how he uses QuickMasks in conjunction with...

Ngày tải lên: 02/07/2014, 07:20

... steps: 1. To access the Image Processor from Bridge, choose Tools > Photoshop > Image Processor. To access it from within Photoshop, choose File > Scripts > Image Processor. 2. ... T I ME-SAVER S ■ For Photoshop Elements Users: Batch Processing (Continued) Similar to the CS4 Batch tool, the Elements Process Multiple Files tool gives you a variety of choices for file sourc...

Ngày tải lên: 02/07/2014, 07:20