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However, the world is in constant motion: stare at something for long enough and it will change in some way. Even a large solid structure, like a building or a mountain, will change its appearance depending onthe timeofday day ornight ; amount ofsunlight clearor cloudy , orvariousshadows falling upon it. We are concerned with single images: snapshots, if you like, of a visual scene.
Although image processing can deal with changing scenes, we shall not discuss it in any detail in this text. For our purposes, an image is a single picture which represents something. It may be a picture of a person, of people or animals, or of an outdoor scene, or a microphotograph of an electronic component, or the result of medical imaging. Even if the picture is not immediately recognizable, it will not be just a random blur. Image processing involves changing the nature of an image in order to either 1.
We shall be concerned with digital image processing, which involves using a computer to change the nature of a digital image see below. It is necessary to realize that these two aspects represent two separate but equally important aspects of image processing.
Humans like their images to be sharp, clear and detailed; machines prefer their images to be simple and uncluttered. Examples of 1 may include: 1.
An Introduction to Digital Image Processing with Matlab Notes | EduRev
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