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Steve on Image Processing

January 29th, 2008

JPEG: What’s in a name?

Hi folks. If you want to learn a bit about the many compression methods and file formats that all share the name JPEG, check out Jeff Mather's nice summary of the JPEG landscape.

5:23 pm | Posted in Uncategorized | Permalink |

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About

Steve Eddins manages the Image & Geospatial development team at The MathWorks and coauthored Digital Image Processing Using MATLAB. He writes here about image processing concepts, algorithm implementations, and MATLAB.

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Recent Comments

  • Mikr: I look for answers before asking people… “But we still can’t see the coordinates!...
  • Steve: Mikr—You might want to take a look at the Getting Started section of the MATLAB documentation in order...
  • Mikr: thanks but is it possible to see and write to file (Excel ?) that matrix of pixel coordinates ? instead of...
  • Steve: Mikr—An image in MATLAB is simply a matrix of pixel values. It can be saved (exported) to several common...
  • Mikr: thanks, Steve just started to learn matlab and to clarify matlab saves image files as a matrix of pixel...
  • Steve: Mikr—As far as I know, the commonly used image file formats such as TIFF, JPEG, PNG, etc., do not...
  • Mikr: how to write pixel coordinates in file ?
  • Steve: M.S.—Code for the bwtraceboundaries function ships with the Image Processing Toolbox.
  • M.S.Cheema: i need to know the detailed algorithm for bwtraceboundaries. i want how that function works. so please...
  • Steve: Wagas—It depends on how much memory you have on your computer. You should be able to load a 94 MB TIFF...

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