Digital images that come from digital cameras or scanners typically suffer from one of two problems. Either they're too soft and require sharpening or they're too crisp and require blurring. In either case, adjusting the sharpness of your image and managing digital noise is crucial to creating a quality image. While these types of adjustments can be the most technical, they're also the most essential. But don't worrywe'll make sense of it all for you.
Chapter 3: Noise and Sharpening
Add noise with the Add Noise filter
Use blending modes to fix digital noise
Keep your digital images noise free
Boost clarity with the Unsharp Mask filter
Problem : Solution Remove noise with Lab color
Problem : Solution Use a brush with the Unsharp Mask filter
Chapter 4: Retouching Techniques
Correct imperfections in digital photos with the Healing Brush
Repair and edit your images with the Patch tool
Clean up color problems with the Sponge tool
Fix flawed architectural images
Problem : Solution Eliminate skin flaws
Problem : Solution Restore color to underexposed areas
Problem : Solution Remove lines and wrinkles
Chapter 5: Optimization and Sizing
Choose the best file formats for the web
Optimize your images to get the best web results
Adjust JPEG web quality with the Modify Quality Setting command
Make precise cropping selections using guides
Optimize your images for use in Microsoft PowerPoint
Problem : Solution Improve blurring in compressed web images
Problem : Solution Improve resampled images for print
