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Photoshop CS6 Essential Training
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Comparing RAW and JPEG files


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Photoshop CS6 Essential Training

with Julieanne Kost

Video: Comparing RAW and JPEG files

There are two primary formats that digital cameras capture today: RAW and JPEG. But what can be really confusing is that there are a lot of different flavors of RAW. Raw is sort of a generic term that people use to describe the unprocessed data that the camera captures. And for example, Nikon's raw format is .NEF and Canon's raw format is .CRW. But the file formats are all very similar in that they contain much of the same information, such as metadata about the camera settings and information about the image, but there's no real standard way of writing them, so each manufacturer has its own unique order to the data in the raw file.
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  1. 1m 42s
    1. What is Photoshop?
      1m 42s
  2. 1m 11s
    1. Welcome
      1m 11s
  3. 32m 15s
    1. What is Adobe Bridge?
      2m 49s
    2. Getting photos from a camera
      4m 27s
    3. A tour of workspaces in Bridge
      5m 32s
    4. Customizing how thumbnails are displayed
      3m 44s
    5. Changing file names and batch renaming
      2m 58s
    6. Adding basic metadata with metadata templates
      5m 10s
    7. Creating and applying keywords to images
      4m 58s
    8. Viewing images in Full Screen Preview mode
      2m 37s
  4. 27m 1s
    1. Using Review mode to filter out rejected images
      4m 18s
    2. Saving images in collections
      4m 23s
    3. Rating and labeling images
      3m 46s
    4. Using the Filter panel to view different subsets
      4m 16s
    5. Using smart collections
      4m 18s
    6. Viewing final selects in a slideshow
      2m 21s
    7. Organizing groups of images into stacks
      3m 39s
  5. 32m 8s
    1. Comparing RAW and JPEG files
      6m 10s
    2. Starting in Camera Raw instead of Photoshop
      3m 12s
    3. Touring the Camera Raw interface
      9m 13s
    4. Previewing before and after adjustments
      3m 58s
    5. Toggling onscreen shadow and highlight clipping warnings
      3m 11s
    6. Choosing output settings
      3m 36s
    7. Saving a copy without going to Photoshop
      2m 48s
  6. 38m 37s
    1. Using the nondestructive Crop tool
      4m 42s
    2. Correcting a horizon line with the Straighten tool
      2m 41s
    3. Fixing color casts with the White Balance tool
      3m 50s
    4. Fixing blown-out highlights
      2m 56s
    5. Revealing hidden shadow details
      3m 7s
    6. Correcting lens distortion
      3m 25s
    7. Making perspective corrections to images
      2m 40s
    8. Removing color fringing and chromatic aberrations
      2m 28s
    9. Sharpening the details
      7m 45s
    10. Making an average photo great
      5m 3s
  7. 51m 2s
    1. Using the Graduated Filter tool
      6m 57s
    2. Making local adjustments with the Adjustments Brush
      10m 19s
    3. Retouching blemishes with the Spot Removal tool
      3m 41s
    4. Exploring a quick portrait retouching technique using Clarity
      4m 31s
    5. Converting to black and white
      2m 36s
    6. Editing images directly with the Targeted Adjustment tool
      3m 21s
    7. Creating selective color effects with the Adjustment Brush
      6m 5s
    8. Using sepia and split-tone effects
      3m 33s
    9. Adding digital film grain texture effects
      2m 20s
    10. Adding vignettes and border effects
      3m 59s
    11. Saving variations within a single file with the Snapshot command
      3m 40s
  8. 15m 13s
    1. Copying and pasting settings across files
      2m 4s
    2. Processing multiple files in Camera Raw
      3m 22s
    3. Saving and using the library of Camera Raw presets
      6m 48s
    4. Using Image Processor to batch process files
      2m 59s
  9. 30m 24s
    1. Opening files from Bridge
      2m 7s
    2. Opening files from Mini Bridge
      2m 51s
    3. Customizing the Mini Bridge panel
      3m 59s
    4. Using the Application frame
      3m 34s
    5. Managing panels
      5m 14s
    6. Switching and saving workspaces
      4m 39s
    7. Switching tools using the keyboard
      2m 47s
    8. Customizing the keyboard shortcuts
      5m 13s
  10. 10m 25s
    1. Working with tabbed documents
      1m 34s
    2. Arranging documents
      1m 52s
    3. Stopping Photoshop from tabbing documents
      1m 32s
    4. Panning and zooming
      3m 14s
    5. Cycling through different screen modes
      2m 13s
  11. 15m 44s
    1. Understanding file formats
      4m 36s
    2. Choosing the resolution you need
      4m 39s
    3. Understanding Resize vs. Resample
      4m 11s
    4. Working with print sizes and resolution
      2m 18s
  12. 32m 53s
    1. Using Undo and the History panel
      3m 7s
    2. Using crop options
      3m 54s
    3. Understanding Hide vs. Delete for the Crop tool
      1m 46s
    4. Bringing back hidden pixels with Reveal All
      40s
    5. Making the canvas bigger with the Crop tool
      3m 31s
    6. Making the canvas bigger using the Relative option in the Canvas Size command
      2m 18s
    7. Using the Perspective Crop tool
      1m 27s
    8. Straightening a crooked image
      2m 29s
    9. Scaling, skewing, and rotating with Free Transform
      5m 46s
    10. Making nondestructive transformations with Smart Objects
      2m 34s
    11. Warping images
      2m 48s
    12. Preserving important elements with Content-Aware Scale
      2m 33s
  13. 30m 41s
    1. Exploring layer basics
      11m 16s
    2. Loading, selecting, and transforming layers
      8m 4s
    3. Organizing layers using layer groups
      5m 3s
    4. Merging, rasterizing, and flattening layers
      6m 18s
  14. 43m 11s
    1. Using the Marquee and Lasso tools
      5m 43s
    2. Combining selections
      4m 4s
    3. Converting a selection into a layer mask
      5m 29s
    4. Using the Quick Selection tool
      4m 35s
    5. Selecting soft-edged objects using Refine Edge
      9m 42s
    6. Touching up a layer mask with the Brush tool
      7m 22s
    7. Changing the opacity, size, and hardness of the painting tools
      3m 17s
    8. Blending images with a gradient layer mask
      2m 59s
  15. 34m 36s
    1. Introducing adjustment layers
      3m 47s
    2. Starting with a preset
      2m 18s
    3. Improving tonal quality with Levels
      5m 31s
    4. Increasing midtone contrast with Curves
      6m 44s
    5. Removing a color cast with Auto Color
      2m 30s
    6. Changing the color temperature with Photo Filter
      2m 29s
    7. Shifting colors with Hue/Saturation
      4m 41s
    8. Making washed-out colors pop with Vibrance
      2m 48s
    9. Converting color to black and white
      1m 47s
    10. Controlling which layers are affected by an adjustment layer
      2m 1s
  16. 19m 33s
    1. Adjusting shadows and highlights
      5m 44s
    2. Replacing color using Selective Color
      3m 49s
    3. Using fill layers to create a hand-painted look
      6m 5s
    4. Using a gradient fill layer to add a color wash
      3m 55s
  17. 52m 9s
    1. Removing blemishes with the Spot Healing Brush and the Patch tool
      12m 42s
    2. De-emphasizing wrinkles with the Healing Brush
      4m 52s
    3. Smoothing skin and pores with the High Pass filter
      6m 19s
    4. Making teeth bright and white with a Hue/Saturation adjustment layer
      3m 21s
    5. Brightening eyes with Curves
      7m 0s
    6. Taming flyaway hair with the Patch tool
      3m 44s
    7. Removing unwanted details with Content-Aware Fill
      5m 49s
    8. Body sculpting with Liquify
      8m 22s
  18. 24m 12s
    1. Creating panoramas with Photomerge and Auto-Blend
      4m 48s
    2. Combining multiple frames in an action sequence
      8m 44s
    3. Swapping heads in a family portrait
      10m 40s
  19. 38m 26s
    1. Overview of filters
      2m 52s
    2. Applying filters nondestructively using Smart Filters
      5m 18s
    3. Creating a soft glow with the Gaussian Blur filter
      3m 35s
    4. Creating an infrared look with Diffuse Glow
      2m 14s
    5. Adding noise with the Add Noise filter
      6m 27s
    6. Sharpening an image with Unsharp Mask
      5m 11s
    7. Giving an image texture with the Texturizer filter
      1m 49s
    8. Using the Field, Iris, and Tilt-Shift Blurs
      6m 1s
    9. Creating a painting with the Oil Paint filter
      1m 34s
    10. Applying a filter to multiple layers
      3m 25s
  20. 22m 16s
    1. Cycling through the blending modes
      6m 42s
    2. Adding a lens flare effect with Screen
      2m 40s
    3. Scanning or photographing paper to add a deckled edge
      3m 1s
    4. Making a cast shadow more realistic with Multiply
      5m 21s
    5. Sharpening an image with High Pass and Overlay
      2m 26s
    6. Adding a realistic off-center vignette
      2m 6s
  21. 20m 9s
    1. Exploring character (point) type
      7m 6s
    2. Adding paragraph (area) type
      3m 38s
    3. Adding type on a path
      4m 44s
    4. Clipping an image inside type
      3m 3s
    5. Warping type
      1m 38s
  22. 15m 57s
    1. Adding a drop shadow effect
      6m 15s
    2. Adding edges, textures, and color overlays using layer styles
      4m 27s
    3. Creating a transparent logo or watermark
      2m 42s
    4. Knowing how and when to scale layer effects
      2m 33s
  23. 15m 45s
    1. Creating contact sheets
      2m 49s
    2. Using the Output workspace in Bridge
      5m 32s
    3. Exporting web photo galleries
      4m 20s
    4. Saving for the web
      3m 4s
  24. 23m 38s
    1. Working with video clips
      9m 29s
    2. Adding special effects to video
      5m 45s
    3. Adding pans and zooms to still images
      8m 24s
  25. 1m 10s
    1. Goodbye
      1m 10s

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Photoshop CS6 Essential Training
10h 30m Beginner Apr 26, 2012

Viewers: in countries Watching now:

In Photoshop CS6 Essential Training, Julieanne Kost demonstrates how to produce high-quality images in a short amount of time, using a combination of Adobe Photoshop CS6, Bridge, and Camera Raw.

The course details the Photoshop features and creative options, and shows efficient ways to perform common editing tasks, including noise reduction, shadow and highlight detail recovery, retouching, and combining multiple images. Along the way, the course explores techniques for nondestructive editing and compositing using layers, blending modes, layer masks, and much more.

Topics include:
  • Organizing images in Bridge
  • Adding metadata such as copyrights and keywords
  • Editing in Camera Raw versus in Photoshop
  • Retouching in Camera Raw
  • Batch processing files
  • Customizing the Photoshop workspaces
  • Choosing a file format and resolution
  • Cropping, scaling, and rotating images
  • Working with layers, including merging and flattening layers
  • Creating selections and layer masks
  • Toning and changing the color of images
  • Adjusting shadows and highlights
  • Retouching and cloning
  • Creating panoramas from multiple images
  • Adding filters and sharpening
  • Working with blend modes
  • Adding type
  • Working with video in Photoshop CS6
Subjects:
Photography Raw Processing
Software:
Photoshop
Author:
Julieanne Kost

Comparing RAW and JPEG files

There are two primary formats that digital cameras capture today: RAW and JPEG. But what can be really confusing is that there are a lot of different flavors of RAW. Raw is sort of a generic term that people use to describe the unprocessed data that the camera captures. And for example, Nikon's raw format is .NEF and Canon's raw format is .CRW. But the file formats are all very similar in that they contain much of the same information, such as metadata about the camera settings and information about the image, but there's no real standard way of writing them, so each manufacturer has its own unique order to the data in the raw file.

Now there is one raw format that's not proprietary, and that's the DNG format or the Digital Negative Format, and many people convert their raw files into the DNG format because of the fact that it's an openly documented file format, and they have hopes that their files will be opened farther into the future than if they're kept in a proprietary format. Now Adobe is the creator of the DNG file format, and for more information, you can go to their website and find that. What's important to know is that if you compare the quality of the RAW format versus a JPEG, there is a lot more information in that RAW file.

I like to think of the RAW file as being unprocessed and as a result, you can make greater changes to the color and tonal values in the RAW file with out losing image quality. The JPEG file, on the other hand, has already been processed, and that includes having compression, which throws away data, applied to it. And it's processed by the camera so you can't make as dramatic a change to a JPEG file without losing quality. Let's go ahead and take a look at these two examples. Here I have a DNG file and a JPEG file, which I'm going to open up from Bridge.

I'll select them both, and then I'll click on the Open in Camera Raw icon up here across the top. That opens both of the images into the Camera Raw dialog box, which in and of itself is a little strange because a lot of people don't expect that you can open a JPEG file into Camera Raw but you can. So let's start with the JPEG file. I'll go ahead and click on it over here on the left-hand side, and I'm also going to take the screen into kind of full screen mode so that it takes over the whole computer, by clicking on this icon up here in the upper right.

Obviously, this image is overexposed and in fact, these two images, the JPEG file and the DNG file, were both shot with the same camera. These digital SLRs, they usually will capture not only raw files, but they usually have a mode that will capture a raw file plus a JPEG file. Now I know that some of you might be shooting with a point-and-shoot camera, in which case you might not be able to capture in raw, but if you can, I would highly suggest that you do.

And let's look at why. If you happen to overexpose an image--and this image is pretty extreme in the overexposure-- I just want to show you what will happen with the JPEG file. I'll start by decreasing the exposure in this image, and you'll notice that we are seeing more detail now in the highlight areas, but even if I bring down the Highlight slider and even with the White slider, you'll notice that we just can't get back that detail in the clouds.

It was so overexposed that even using the controls here at their maximum for Highlights and Whites, we just can't pull back the information that's not there. It's no longer there because this file was processed as a JPEG. Now let's switch to the DNG file by clicking on its icon over here in the left-hand side, and let's try to do the same thing. We'll pull down the exposure a bit and then I'm going to pull down the Highlights as well as the Whites.

And you can see that in this image, we still retained a lot of the detail in this cloud area. Let's compare them by just clicking. Here is the landscape that was shot with the JPEG and compressed, versus the RAW file. Now, I do want to point out that just because you're shooting RAW, you can still overexpose your image so far that you're not going to gain back detail. I've moved both the White slider and the Highlight slider a little bit too much in this case, more than I normally would.

So let's pull those back so that I'm still making use of the entire dynamic range. But you can see here in this area that there is just no detail in this file. And the reason that I chose this file to show you the difference between Camera Raw and JPEG was to show you that certainly the JPEG file is going to lose quality faster than the RAW file. But there is a point in a RAW file where if you just overexpose it or going the other extreme, if you underexpose it, if your image is so dark that there is no details in the shadows, you wouldn't be able to pull back that information.

The point here is that there is more information in the DNG file than there is in the JPEG file, but you still want to properly expose your images so that you don't clip your highlights to pure white, so there's not this big white area here, and likewise, you don't underexpose your image so much that there's no detail in the shadows. The primary disadvantage of shooting raw is that you do have to process the file, so there is a little bit more work involved. The files are also larger than their JPEG counterparts, but the higher quality of the raw file and the flexibility to make these changes in Camera Raw after capture or in post makes the RAW file format worth the extra file size, in my opinion.

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