File Format, Compression Techniques, Image Resolution And Colour Depth On File Size And Image Quality

1870 WordsApr 17, 20168 Pages
Impact that file format, compression techniques, image resolution and colour depth have on file size and image quality - D2 In this report I will be discussing the different file formats, compression techniques, image resolution and colour depth. I will be explaining the different purposes, then, after I have issued an in-depth explanation of image quality and file size I will be completing a final conclusion about the best ones to use for certain tasks. Seen as there are numerous different uses for images it means that the quality will differ for different purposes. The formats which I will be discussing within this report include JPEG, GIF’s, TIF, PSD and BMP. All these formats are made for different reasons and I will be explaining these differences in quality and file size. Each format varies in the depth of the colour within the image, some have larger colour depth meaning that the file size will be larger, whereas, some of these formats have very low colour depth resulting in a lower quality image. When exporting an image, sometimes there is an option to adjust the colour depth to your preference, so, the file format could change to your desired colour depth. Compression techniques When compressing a file to make it smaller there are two options which are available, Lossy and Lossless. Both do the same job, which is compressing the file size, however, they both do it differently for different reasons, I will explain the advantages and disadvantages of both. The

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