Digital Imaging is an online course that introduces you to the design and production of graphic images for the World Wide Web using Adobe Photoshop 5.5. Upon completion of the course, you will be able to utilize the primary tools of Photoshop 5.5, apply principles of image composition in your digital imaging work and optimize graphics for use on the World Wide Web. Moreover, you will have an understanding of fundamental digital imaging terminology and theory. There are numerous hands-on interactive exercises throughout the course.

Lesson Contents

By the end of Module 1 - Getting Started With Digital Imaging, you will be able to:
- Describe the reasons for using images in information design.
- Describe the features of the client/producer relationship.
- Describe the difference between raster and vector images.
- Define and describe these basic imaging concepts: bitmap, vector, saturation, indexing, resolution, color depth, luminance, aliasing and anti-aliasing.
- Describe the most common image file formats and their uses.
- Create models for RGB and CMYK color spaces.
- Set preferences and manage memory allocation in Photoshop.
- Open, close, crop, resize, duplicate, and save an image in Photoshop.

At the end of Module 2 - Getting Started With Photoshop, you will be able to:
- Describe four sources for obtaining images for use in Photoshop.
- Describe copyright considerations when looking for a source image.
- Utilize navigation tools in Photoshop for scrolling, dragging, and zooming within a screen.
- Demonstrate the use of the toolbox and its features.
- Demonstrate the access and use of tool palettes, and their coordination with the Toolbox.
- Utilize primary keyboard shortcut commands and describe their importance for working in Photoshop.
- Create a list of image specifications based on information derived in Photoshop, including file size, dimensions, measurements, position, color data, and resolution.

At the end of Module 3 - Using Selections and Masks, you will be able to:
- Explain why making selections and creating masks are important techniques for creating or modifying images.
- Describe the application of masks and selections in composing images.
- Describe the difference between selections and masks.
- Use the Marquee, Lasso, and Magic Wand tools to select portions of an image.
- Modify a selection by using the following: save, load, move, duplicate, add to, subtract from, transform, and feather.
- Use the following masking tools to isolate and modify selected portions of an image: Quick Mask, Magic Eraser, and Extract Image command.
- Convert a selection to a mask, and a mask to a selection.

At the end of Module 4 - Using Layers, you will be able to:
- Describe the importance of Photoshop layers in image composition.
- Utilize primary features of the Layers Palette: creating, hiding/showing, linking, stacking, moving, copying, naming, and flattening.
- Utilize advanced features for creating Layers effects: Opacity, Gradient, Magic Eraser, effects, and blends.
- Create and position text in Photoshop.
- Define the following printing terms: kerning, leading, tracking, and font.
- Describe the following principles of good image composition and how they are applied: Unity, Balance, Contrast, and Alignment.
- Compose a presentation image consisting of multiple layers of graphics, which follows principles of good composition.

At the end of Module 5 - Using Colors and Painting Tools, you will be able to:
- Discuss how traditional art techniques have influenced digital imaging technology.
- Select colors using multiple methods in Photoshop.
- Utilize the primary painting tools to create and edit images—Paintbrush, Airbrush, Line Tool, Pencil Tool, Smudge Tool, Gradient, Eraser, and Fill Bucket.
- Create a color scheme.
- Describe and demonstrate how transparency, feathering, gradients, and texture filters can be used to modify a digital image.

At the end of Module 6 - Adjusting Images, you will be able to:
- Discuss how old black and white photographs are enhanced using traditional photo-retouching techniques.
- Describe the basic procedure and principles of scanning a photograph or other image.
- Identify problem areas in old photographs and use the appropriate Photoshop tool to correct them from the following toolset: Hue/Saturation Adjustment, Brightness/Contrast Adjustment, Levels, Rubber Stamp Tool, Unsharp Mask Filter, Dodge Tool, Burn Tool, and Sponge Tool.
- Utilize Adjustment Layers to create editable changes in a layer.
- Utilize the Replace Color Tool.

At the end of Module 7 - Effects, Filters and Useful Techniques, you will be able to:
- Describe the origins of presentation graphics and the use of standard visual effects.
- Describe an image filter and demonstrate how it is accessed and applied in Photoshop.
- Utilize Photoshop filters and layer effects and describe situations where they are appropriately used.
- Demonstrate how text can be enhanced using filters, layer effects, and the Transform tool.
- Demonstrate five techniques for improving work efficiency in Photoshop.

At the end of Module 8 - Preparing Images for the World Wide Web, you will be able to:
- Describe the origins of Web graphics and their applications for the World Wide Web.
- Describe the differences between GIF, JPEG, and PNG image file formats and situations in which each format should be used.
- Demonstrate primary strategies for optimizing images for use on the World Wide Web: color reduction, compression, and sizing.
- Create a simple GIF animation for display on a Web page.
- Utilize a text processor and HTML to insert a Web-ready image into a Web page for display in an Internet browser.

Enjoy!

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