Download e-book for iPad: A Simple Guide to Digital Cameras, Scanning and Using Images by Oliver Pavie

By Oliver Pavie

ISBN-10: 0130938769

ISBN-13: 9780130938763

An easy advisor to electronic cameras, scanning and pictures. even if you must take easy images and email them on your acquaintances or improve your records with electronic pictures, there's lots of software program and on hand that will help you do it. yet that's the simplest? and the way do you utilize it? so that you can create wonderful pictures with the aid of a camera and your laptop then glance no additional than "A basic advisor to electronic cameras, scanning and utilizing images." choked with crucial details, suggestions and tips, this complete and obviously provided guide is strictly what you want to grasp electronic imaging. changing into a professional hasn't ever been easier!

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Extra resources for A Simple Guide to Digital Cameras, Scanning and Using Images

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12c File formats Any image file is basically just a record of the colour of each pixel in the image. However, there are several ways to store this information, giving rise to a number of ‘formats’ for image files. Some were designed for a specific purpose, such as use on the internet. Others belong to a particular program. 12e Common image formats Most image-editing programs understand a dozen or more file formats. 13). Here are a few of the common formats: ■ BMP (bitmap). This format is used for Windows wallpaper.

Can you set it to High Color or (ideally) True Color? 11 Adobe PhotoDeluxe helps you turn your photographs into cards. Images on the computer Pixels Resolution Colours File formats 2 24 Digital cameras, scanning and using images Before you go shopping for equipment and software, you should learn how computers handle images. With a little knowledge tucked away, you won’t be baffled when enthusiastic salespeople start raving about terms such as ‘megapixels’ and ‘compressed images’. This chapter provides the technical background for the rest of the book.

Each square inch contains 36 enormous pixels that are impossible to miss. The computer lets you print this image any size you want. 7). Adding and removing pixels There’s a further twist: as well as changing the size of the image, you can change the number of pixels in the image file. This also affects the resolution. To reduce the number of pixels, the computer goes through the file and throws out some of the information. Voilà, fewer pixels. Adding pixels is more complicated. The computer looks at each group of pixels, averages their colours, and inserts extra pixels of intermediate colours.

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A Simple Guide to Digital Cameras, Scanning and Using Images by Oliver Pavie

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