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Technical file Presentation Transcript

  • 1. Technical File
  • 2. Pixel and ResolutionImage resolution is the detail an image holds. The term applies to rasterdigital images, film images, and other types of images. Higher resolutionmeans more image detail. Image resolution can be measured in various ways.Basically, resolution quantifies how close lines can be to each other and stillbe visibly resolved. Resolution units can be tied to physical sizes (e.g. lines permm, lines per inch), to the overall size of a picture (lines per picture height,also known simply as lines, TV lines, or TVL), or to angular subtenant.Pixel art is a form of digital art, created through the use of raster graphicssoftware, where images are edited on the pixel level. Graphics in most old (orrelatively limited) computer, console, graphing calculator and mobile phonevideo games are mostly pixel art.
  • 3. Vector and Raster ImagesVector graphics is the use of geometrical primitives such aspoints, lines, curves, and shapes or polygon, which are all based onmathematical expressions, to represent images in computer graphics."Vector", in this context, implies more than a straight line toward align.http://en.wikipedia.org/wiki/Vector_graphicsIn computer graphics, a raster graphics image, or bitmap, is a dot matrix datastructure representing a generally rectangular grid of pixels, or points ofcolour, viewable via a monitor, paper, or other display medium. Raster imagesare stored in image files with varying formats.http://en.wikipedia.org/wiki/Raster_graphics
  • 4. File FormatsThe BMP file format, also known as bitmap image file or device independentbitmap (DIB) file format or simply a bitmap, is a raster graphics image fileformat used to store bitmap digital images, independently of the displaydevice (such as a graphics adapter), especially on Microsoft Windows andOS/2 operating systems.http://en.wikipedia.org/wiki/BMP_file_formatPortable Network Graphics is a raster graphics file format that supportslossless data compression. PNG was created as an improved, non-patentedreplacement for Graphics Interchange Format (GIF), and is the most usedlossless image compression format on the World Wide Web.http://en.wikipedia.org/wiki/Portable_Network_Graphics
  • 5. The Graphics Interchange Format is a bitmap image format that wasintroduced by CompuServe in 1987 and has since come into widespreadusage on the World Wide Web due to its wide support and portability.http://en.wikipedia.org/wiki/Graphics_Interchange_FormatTIFF (originally standing for Tagged Image File Format) is a file format forstoring images, popular among graphic artists, the publishing industry, andboth amateur and professional photographers in general. As of 2009, it isunder the control of Adobe Systems.http://en.wikipedia.org/wiki/Tagged_Image_File_FormatFile Formats
  • 6. In computing, JPEG is a commonly used method of lossy compression fordigital photography (image). The degree of compression can be adjusted,allowing a selectable trade-off between storage size and image quality. JPEGtypically achieves 10:1 compression with little perceptible loss in imagequality.http://en.wikipedia.org/wiki/JPEGPhotoshop files have default file extension as .PSD, which stands for"Photoshop Document." A PSD file stores an image with support for mostimaging options available in Photoshop. These include layers with masks,transparency, text, alpha channels and spot colours, clipping paths, andduotone settingshttp://en.wikipedia.org/wiki/Adobe_Photoshop#File_formatFile Formats
  • 7. Portable Document Format (PDF) is a file format used to representdocuments in a manner independent of application software, hardware, andoperating systems.http://en.wikipedia.org/wiki/Portable_Document_FormatEncapsulated PostScript, or EPS, is a DSC-conforming PostScript documentwith additional restrictions which is intended to be usable as a graphics fileformat.http://en.wikipedia.org/wiki/Encapsulated_PostScriptAdobe Illustrator Artwork (AI) is a proprietary file format developed by AdobeSystems for representing single-page vector-based drawings in either the EPSor PDF formats. The .ai filename extension is used by Adobe Illustrator.http://en.wikipedia.org/wiki/Adobe_Illustrator_ArtworkFile Formats
  • 8. CompressionIn computer science and information theory, data compression, sourcecoding, or bit-rate reduction involves encoding information using fewer bitsthan the original representation. Compression can be either lossy or lossless.Lossless compression reduces bits by identifying and eliminating statisticalredundancy.https://en.wikipedia.org/wiki/Data_compression
  • 9. Image Capture DevicesImage Capture is an application program from Apple that enables users toupload pictures from digital cameras or scanners which are either connecteddirectly to the computer or the network. It provides no organizational toolslike iPhoto but is useful for collating pictures from a variety of sources with noneed for drivers.There are many different devices that can be used to capture images andvideos in a range of different qualitys from 1080p – 240p. Obliviously thebetter quality etc. the more the device will cost the user.http://en.wikipedia.org/wiki/Image_Capture
  • 10. OptimisingIn computer science, program optimization or software optimization is theprocess of modifying a software system to make some aspect of it work moreefficiently or use fewer resources. In general, a computer program may beoptimized so that it executes more rapidly, or is capable of operating with lessmemory storage or other resources, or draw less power.http://en.wikipedia.org/wiki/Program_optimization
  • 11. Storage and Asset ManagementDigital asset management (DAM) consists of management tasks and decisionssurrounding the ingestion, annotation, cataloguing, storage, retrieval anddistribution of digital assets. Digital photographs, animations, videos andmusic exemplify the target areas of media asset management (a sub-categoryof DAM).Digital asset management systems (DAMS) include computersoftware and hardware systems that aid in the process of digital assetmanagement.http://en.wikipedia.org/wiki/Digital_asset_management