Raster Images

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What are Raster Images?

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Raster images are digital images composed of a grid of pixels, where each pixel represents a color. They are resolution-dependent and can lose quality when scaled.

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What are four Raster file formats that support transparent backgrounds?

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PSD, TIFF, PNG, GIF

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What is Non Destructive Editing?

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Non Destructive Editing is a technique that allows changes to be made to an image without overwriting the original image data, preserving the ability to revert to the original.

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What tool in Photoshop is used to repair imperfections in an image?

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The Healing Brush tool is used to paint with a sample or pattern to repair imperfections in an image.

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What are four ways to acquire image assets?

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Scan, Digital Camera, Internet, Stock Images

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What is Continuous Tone in imaging?

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Continuous Tone refers to an image type that contains all graduations of tones from light to dark, such as an original photograph.

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What is the difference between Raster and Vector images?

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Raster images are made of pixels and are resolution-dependent, while Vector images are made of paths and are resolution-independent, allowing for scaling without loss of quality.

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What is the purpose of image compression?

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Image compression reduces the file size of an image to save storage space and improve loading times, often at the cost of some quality.

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What is a common use of the Clone Stamp tool in Photoshop?

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The Clone Stamp tool is used to duplicate parts of an image by sampling pixels from one area and painting them over another.

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What does DPI stand for and why is it important?

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DPI stands for Dots Per Inch and it measures the resolution of an image. Higher DPI means better quality and detail in printed images.