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vips terminology

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Kirk Martinez edited this page Nov 27, 2019 · 3 revisions

VIPS terminology

  • Bands - the number of "channels" e.g. RGB is 3 bands. Remote sensing people coined this I think!
  • Band Format - 8 16 32 etc bits per Band. So a typical RGB image is 8 bits and is VIPS_FORMAT_UCHAR
  • Band Interpretation - is it sRGB, CIELab etc? see: Vipsinterpretation
  • Operation - a function that operates on an image
  • Pel - picture element - similar to "Pixel" but refers to the element in the image - not the same as a screen pixel.
  • Region- is the (rectangular) area of an image that a thread will operate on. Different from a fixed tile as each processing thread has access to the region it needs.

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Debugging
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HOWTO----Image-shrinking
Projects using libvips

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