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Managing Multimedia and Unstructured Data in the Oracle Database by Marcelle Kratochvil

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Understanding each image type

When looking at the different types of digital images, it becomes apparent that there is a lot more to understanding them. Each has different characteristics and capabilities, which when well understood can add a new depth to their usage. This section covers those features.

Photo

A photo is a two-dimensional representation of anything—also referred to as a digital image. A photo can be taken with a digital camera or it can be scanned in. It is composed of pixels, where each pixel represents information, typically a color. The more pixels that are able to be compacted together, the higher the resolution of the display. The iPhone 4 introduced a display format, where the pixel format is so tightly compacted that the human ...

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