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Aliasing effect for 1-dimensional signal

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Aliasing effect for 1-dimensional signal. Aliasing effect (Moiré) for an image. Chapter 2: Digital Image Fundamentals. Sampling example. Anti-alias Filter. Example of a quantized waveform. Chapter 2: Digital Image Fundamentals. - PowerPoint PPT Presentation
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Digital Image Processing, 2nd ed. www.imageprocessingbook.com 002 R. C. Gonzalez & R. E. Woods
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Page 1: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 2: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 3: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 4: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 5: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 6: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 7: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 8: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 9: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 10: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 11: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 12: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Aliasing effect for 1-dimensional signal

Original signal Digitized signal

Page 13: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Aliasing effect (Moiré) for an image

Page 14: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Chapter 2: Digital Image Fundamentals

Page 15: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 16: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Sampling example

Page 17: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Anti-alias Filter

Page 18: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 19: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Example of a quantized waveform

Page 20: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 21: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 22: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 23: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 24: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 25: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 26: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 27: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 28: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 29: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Chapter 2: Digital Image Fundamentals

Page 30: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 31: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 32: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods

Page 33: Aliasing effect for 1-dimensional signal

Digital Image Processing, 2nd ed. www.imageprocessingbook.com

© 2002 R. C. Gonzalez & R. E. Woods


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