Image Capture, Optimisation and Storage

Image Capture, Optimisation and Storage

To capture a digital image is to transform an image into digitalised format. A scanner is a device that captures images from photographic prints, posters, magazine pages, and similar sources for computer editing and display. Scanners all come in different shapes and sizes, they can varies in cost from about 50-1,000 pounds. The key features for the scanner is the resolution and DPI (dot per inch) which means the more dots the more colours that can be put into the image. The advantages of the smart scan is that it can be used as a scanner and a mouse, the disadvantages of the smart scan is that the resolution is not very good. The advantages of the flatbed scanner is that the resolution is the best and it has a lot of DPI, the disadvantages of the flatbed scanner is that it is only used as a scanner nothing else. The advantages of having a hand held scanner is that it can be taken anywhere, the disadvantages of the hand held scanner is that it does not have the best quality and can easily go wrong when using it. The advantages of Document scanner is that it is okay quality, the disadvantages of this scanner is that it only does documents. The last scanner is all round scanner that it can be used for more than just a scanner, the disadvantages of cost a lot. Flatbed scanners work with a CCD array. When light hits the CCD array it creates an electrical charge. The amount of the charge varies by the different colours of what you are scanning. The electrical charges are then read and digitized onto the computer.

This is an image of how the digital cameras works. There are three different types of digital cameras and these are Compact, SLR and Phone. The Compact camera is used to take photos and videos, it is manly used by families to that videos and photos for memories. The SLR is a camera that takes professional photos manly used by professional photographers. The Phone camera use used by people that have phones it is not the best quality but can be used for videos and photos. The key features of digital cameras are the image resolution, sensor size, screen size, zoom lens, video recording and card compatibility. The advantages of using the Compact camera is that it easy to take around, the disadvantages is that the quality is good but not the best. The advantages of the SLR camera is that it is the best quality camera around at the moment has a high resolution, the disadvantages are the cost it varies from 300-6,000 pounds and is very heavy to carry around. The phone camera advantages are the cost they are cheap to buy, the disadvantages of this camera is that the quality of the photos and video are bad.

A graphics tablet works very similar to a table like the iPad due it working from the touch, but the graphics tablet uses the use of pressure instead of touch. The key feature of graphics tablet are pen pressure sensitivity, keys, multitouch and wireless. The different types of graphics tablets are Cintiq, Bamboo and Intuos. Cintiq advantages are that they are really good quality and have over 1billion colours that can be used on them, the disadvantage is that the cost is from about 800-2,500 pounds. The Bamboo graphics tablet advantages are cheap to buy and easy to use, the disadvantages of this are that it needs to be connected to a computer to use it. The advantages of the Intuos are they are cheap, the disadvantages of this is that it also needs to be connected to a computer. 

Digital graphic optimization means you want to get the best image from your graphic if you have a HD TV that would be 1080p. The image resolution factors in to this as the higher the DPI the better the image. Image bit depth is used to show colours if you have 8 bits per pixel the image isn’t going to look  as good as an image with 48 bits per pixel. Also compression is used the higher the compression the smaller the file size but this means you will lose quality in your image.

Asset management is a software tool for organizing the creation, management, distribution and archiving of a rich media asset. Rich media assets include photos, music, videos, animations, podcasts and other multimedia content. Basically, it’s a set of database records. Each database record contains metadata explaining the name of the file, its format and information about its content and usage. This software is very good as it makes everything easy to find and access. Allot of artists may use this to their advantage as it would be useful to store work or even sample images very quickly.