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Digital Image Processing

Digital Image Processing. Robin Walia ECE Department Mullana University. What is Image Processing?. Machine Vision Computer Vision Pattern Recognition Image Processing. Origin of DIP.

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Digital Image Processing

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  1. Digital Image Processing Robin Walia ECE Department Mullana University

  2. What is Image Processing? • Machine Vision • Computer Vision • Pattern Recognition • Image Processing

  3. Origin of DIP Picture of earth’s moon taken by space probe in 1964. Picture made with a television camera (vidicon), transmitted to the earth by analog modulation, and digitized on the ground. Digtial Image Processing, Spring 2006

  4. Medical Images Digtial Image Processing, Spring 2006

  5. Multispectral Satellite Images Digtial Image Processing, Spring 2006

  6. Image Processing in Manufacturing Digtial Image Processing, Spring 2006

  7. Radar Image Digtial Image Processing, Spring 2006

  8. Image Processing Procedures • Image acquisition • Enhancement • Restoration • Color processing • Compression • Morphological processing • Segmentation • Representation and description Digtial Image Processing, Spring 2006

  9. Digital Image Fundamentals • Vision Digtial Image Processing, Spring 2006

  10. Subjective Brightness Perception Digtial Image Processing, Spring 2006

  11. Chapter 2: Digital Image Fundamentals Digtial Image Processing, Spring 2006

  12. Chapter 2: Digital Image Fundamentals Digtial Image Processing, Spring 2006

  13. Chapter 2: Digital Image Fundamentals Digtial Image Processing, Spring 2006

  14. Chapter 2: Digital Image Fundamentals Digtial Image Processing, Spring 2006

  15. Image Sensing and Acquisition • Single sensor • Line scan • Array sensor • Other (MRI, Ultrasound) Digtial Image Processing, Spring 2006

  16. Chapter 2: Digital Image Fundamentals Digtial Image Processing, Spring 2006

  17. Chapter 2: Digital Image Fundamentals Digtial Image Processing, Spring 2006

  18. Chapter 2: Digital Image Fundamentals Digtial Image Processing, Spring 2006

  19. Chapter 2: Digital Image Fundamentals Digtial Image Processing, Spring 2006

  20. Image Sampling and Quantization • Actual image is continuous • Digital image has a finite number of pixels and levels Digtial Image Processing, Spring 2006

  21. Chapter 2: Digital Image Fundamentals Digtial Image Processing, Spring 2006

  22. Spatial and Gray-Level Resolution • Photo Id: • 100x100 pixels, 4 bits (grey scale) • Color adds 50% • Photo image • Depends when you bought a digital camera • Film editing practice: 2048x1536 color pixels, 10 bit • Advertising copy (Vogue) • 30 Mb Digtial Image Processing, Spring 2006

  23. Chapter 2: Digital Image Fundamentals Digtial Image Processing, Spring 2006

  24. Basic Relationships • Neighors and Neighborhoods • Adjacency and connectivitiy • Distance measures • Pixel operations • Linear and nonliear operations Digtial Image Processing, Spring 2006

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