Digital Image Processing | Free Online Course | Alison

Advanced Diploma in Digital Image Processing

Learn about the fundamentals and other in-depth concepts of digital image processing in this free online course.

Free Course
This free online digital image processing course can be of great help for those willing to delve into the world of photography. The course gives great insights into the applications of digital image processing, relationships between pixels and the importance and means of digitization. By the end of the course, you will be well equipped with knowledge and skills to pursue your dreams of learning about digital photography, so get started today.
  • Duration

    20-30 Hours
  • Assessment

  • Certification

  • Responsive

  • Publisher






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This course begins by introducing you to the basics of digital image processing. You will learn about the numerous applications of digital image processing for product assembly and inspection in industries. You will also learn about how images are represented on a digital computer, how to calculate the Fourier Transform of a convoluted signal and the concept of signal reconstruction from samples.

The course then moves on to explain image formation, image geometry, interpolation and image transformation. You will learn about perspective transformation in digital image processing - an important concept for understanding how a point in three-dimension (3D) world is imaged by a camera. You will also learn about B-spline functions, Fourier transformation and its properties, interpolation operations along with desirable properties of interpolation.

Finally, you will learn about image enhancement techniques, image restoration techniques and colour image processing. You will get to understand the necessity of image enhancement in digital image processing and discuss the forms of spatial domain operations. You will also learn the meaning of mask processing, image averaging and the types of frequency domain techniques. Start this course today and learn valuable skills about inverse filtering minimum square error, and image registration in digital imaging.

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Digital Image Processing

Quantizer Design, Pixels and Adjacency

Image Formation and Geometry

Interpolation and Image Transformation

Diploma in Digital Image Processing - First Assessment

Image and Fourier Transformation

Hadamard Transformation

Image Enhancement and Histogram Equalization

Image Enhancement Techniques

Image Restoration Techniques

Image Registration and Colour Image Processing

Diploma in Digital Image Processing - Second Assessment

Course assessment

Learning Outcomes

Upon successful completion of this course, you will be able to: 

  • Define Digital Image Processing
  • Explain three importance of image processing
  • Outline the scenarios that can make an image blurry
  • Explain the application of digital image processing techniques in the field of medicine and remote sensing
  • Explain the importance of quantization
  • Discuss the importance of perspective transformation in digital image processing
  • Outline five basic categories of transformations
  • Explain three applications of image transformation
  • Discuss the meaning of the Mask Processing Technique
  • Explain the image averaging or image smoothing operation
  • Explain the three techniques for the estimation of the degradation model
  • Explain the advantage of Wiener Filter over Inverse Filter


All Alison courses are free to enrol, study and complete. To successfully complete this Diploma course and become an Alison Graduate, you need to achieve 80% or higher in each course assessment. Once you have completed this Diploma course, you have the option to acquire an official Diploma, which is a great way to share your achievement with the world. Your Alison Diploma is:

Ideal for sharing with potential employers - include it in your CV, professional social media profiles and job applications
An indication of your commitment to continuously learn, upskill and achieve high results
An incentive for you to continue empowering yourself through lifelong learning

Alison offers 3 types of Diplomas for completed Diploma courses:

Digital Diploma - a downloadable Diploma in PDF format, immediately available to you when you complete your purchase
Diploma - a physical version of your officially branded and security-marked Diploma, posted to you with FREE shipping
Framed Diploma - a physical version of your officially branded and security-marked Diploma in a stylish frame, posted to you with FREE shipping

All Diplomas are available to purchase through the Alison Shop. For more information on purchasing Alison Diplomas, please visit our FAQs. If you decide not to purchase your Alison Diploma, you can still demonstrate your achievement by sharing your Learner Record or Learner Achievement Verification, both of which are accessible from your Dashboard. For more details on our Diploma pricing, please visit our Pricing Page.



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