RAVINDRA'S BLOG

Saturday, 3 February 2018

Image Format

  • It is a standardized means of organizing and storing digital images.
  • Image files consists of the following format:
    • Raster : Used for computer display.
    • Vector : Used to store uncompressed image.
  • Raster Image file size depends upon the resolution and the color depth(bit per pixel).
  • Vector image size depends upon the number of graphic.

Raster:

JPEG:

  • Jpeg stands for Joint Photographic experts group.
  • Lossy Compression.
  • File size is larger than any other format except BMP

PNG:

  • PNG stands Portable Network Graphics
  • Lossless Compression Form
  • Very small file sizes are supported.
  • Allows Transparency.
  • Web standard images.
  • Smaller File size.

TIFF:

  • TIFF stands for Tagged Image Format.
  • Lossless Compression
  • Extremely High Quality
  • Lossless Compression Form
  • Not recommended for web use.
  • Smaller File size.

BMP:

  • BMP stands for Bit Map.
  • Largest file size.
  • Original Image

GIF:

  • GIF stands for Graphic Interchange Format
  • Lossless Format
  • Limited to 256 Colors.
  • Mores used for animations.

Below are the some image formats:




RAW:

  • RAW is nothing but any object in middle of it full form.
  • In images raw is used for the editing the image.
  • RAW image is exported to JPEG,TIFF or BMP.
  • It is not end used format.
  • RAW file closely look like below image.

Vector:

EPS:

  • EPS stands for Encapsulated Postscript
  • Typically used for creating the single design elements.

SVG:

  • SVG stands for Scalable Vector Graphics.
  • We can use CSS styles.
  • Used for making icons.

PDF:

  • PDF stands for Portable Document Format.
  • Universal standard format.
  • Mostly used for the printing files.

METAFILES:

Metafile is universal format can be used as the Raster and Vector Graphics.
.emf : Is used for making the image of the path.
.wmf : Is used for graphical representation.