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BTECLevel 3 Extended Diploma in Creative Media ProductionUnit 64: Motion Graphics and Compositing VideoThis is the sharpness and clarity of an image. The term resolution is usually used to describemonitors, printers and bit-mapped graphic images. Bitmap images are made up of pixels andimage resolution is just simply the number of PPI pixels per inch in the bitmap grid.There are two aspects two every bitmap image and they are its image which is the width andheight measure in inches and resolution the number of pixels is the number of pixels per inch.These 2 factors alone determine the total number of pixels that are in the image.
BTECLevel 3 Extended Diploma in Creative Media ProductionUnit 64: Motion Graphics and Compositing VideoTypical resolutions:1 that is found on very cheap cameras is 256x256, the resolution is so low that thepicture quality is usually unacceptable and this is 65,000 total pixels.Then there is 640x480 which is the low end on most ‘real’ cameras. This resolution isideal for e-mailing pictures or posting them on websites.1216x912 is a megapixel image size – 1,109,000 total pixels and this is a good resolutionfor printing pictures.1600x1200 as this has almost 2 million total pixels, this is ‘high resolution’ You can printa 4x5 inch print taken at this resolution with the same quality that you would get from aphoto lab.High end consumer cameras can capture over 12 million pixels. Some professionalcameras support over 16 million pixels or 20 million pixels for large-format cameras.
BTECLevel 3 Extended Diploma in Creative Media ProductionUnit 64: Motion Graphics and Compositing VideoThe more pixels that are in an image, the more detail that will be displayed in thatimage., there for the fewer pixels that are in an image then the less detail that will be in theimage. There are 2 ways to display an image, on screen and in print.When you are preparing image sit is important that you know what resolution you need toscan or size the pictures to.The standard resolution for print is 300 PPIThe standard resolution for screen displays is 72 ppiPicture quality also depends on how big the sensorisThe larger the pixel size, themore light can fall in the sensormaking the light measurementmore accurate and lessdiffraction which is important asit causes blur.