Simple image Tutorial

image and imageproc are image processing libraries. This tutorial serves as a quick start for image and imageproc. We try to keep each part of the tutorial as simple as possible.

(The tutorial is for image version 0.25.4 and imageproc version 0.25.0.)

Basic

• Setting Up
• Loading And Saving Image
  • Loading And Saving Image Files
  • Loading And Saving Images In Memory
• Image Metadata
  • Width And Height
  • Color Types

Processing Images

• Image Editing Functions
  • Flipping
  • Rotating
  • Cropping
  • Resizing
    • Resizing While Preserving Aspect Ratios
    • Resizing Without Preserving Aspect Ratios
    • Resizing To Fill A Bound
    • Resizing To Thumbnail
• Image Transformation Functions
  • Gray Scale
  • Inverting Colors
  • Rotating Colors
  • Brightening Images
  • Image Contrast
  • Blurring Images
  • Making Images Clearer
• Drawing On Images
  • Overlaying Images
  • Tiling Images
  • Simple Gradient
  • Manipulating Pixels

Miscellaneous

• Controlling JPEG Quality
• Creating GIF Animations

Advanced Image Processing

• Setting Up For imageproc
• Drawing Basic Shapes
  • Drawing Lines
  • Drawing Antialiased Lines
  • Drawing Rectangles
  • Drawing Polygons
  • Drawing Circles
  • Drawing Ellipses
  • Drawing Crosses
  • Drawing Cubic Bezier Curves
  • Drawing Texts
• Transformation
  • Translating
  • Rotating With Arbitrary Angles
  • Rotating, Scaling and Translating Together
  • Arbitrary Transformation

See Also

• image - the image library
• imageproc - the advanced image library

Contributions

Pull requests for typos, incorrect information, or other ideas are welcome!

License

All code in the tutorial is provided under the MIT License.