image processing. digital image processing, 2nd ed. © 2002 r. c. gonzalez & r. e. woods...
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![Page 1: Image Processing. Digital Image Processing, 2nd ed. © 2002 R. C. Gonzalez & R. E. Woods Chapter 1 Introduction Chapter 1 Introduction](https://reader030.vdocuments.net/reader030/viewer/2022032723/56649d045503460f949d7746/html5/thumbnails/1.jpg)
Image ProcessingImage Processing
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Chapter 1IntroductionChapter 1Introduction
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Digital Image ProcessingDigital Image Processing
• What is digital image processing (DIP)?– Digital images:
• A pixel has a location (the spatial coordinate) and a value.
• Digital images can be from many types of sources.
– Digital image processing• Digital image processing is closely related to signal
processing at one end, and to computer vision at the other end.
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Computer VisionComputer Vision
– Computer vision:• Computer vision is concerned with making computers
“understand” what is contained in an image and other functions of human vision.
• It is sometimes considered to be a topic of artificial intelligence.
• However, it is not possible to state exactly where image processing ends and computer vision begins.
• If you compare a digital image processing book and a computer vision book, you will find a lot of overlap.
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Examples of Fields That Use Digital Image ProcessingExamples of Fields That Use Digital Image Processing
• Energy of one photon
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Gamma-Ray ImagingGamma-Ray Imaging
• Figure 1.6 (a) shows an image if a complete bone scan obtained by using gamma-ray imaging.
• Figure 1.6 (b) shows a tumor (腫瘤 ) in the brain and one in the lung.
• Figure 1.6 (c) shows the Cygnus Loop (天鵝座星雲 ) imaged in the gamma-ray band.
• Figure 1.6 (d) shows an image of gamma radiation from a valve ( 閥 ) in a nuclear reactor(原子爐 ).
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
•X-ray Imaging•X-ray Imaging
• Figure 1.7 (a) : Chest X-ray (胸部 x 光 ).
• Figure 1.7 (b) : Aortic angiogram (大主動脈的血管造影 ).
• Figure 1.7 (c) : Head CAT (腦部斷層攝影 ).
• Figure 1.7 (d) : Circuit boards.
• Figure 1.7 (e) : Cygnus Loop imaged in the X-ray band.
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Imaging in the Ultraviolet BandImaging in the Ultraviolet Band
• Figure 1.8 (a) : normal corn (正常的玉米 )
• Figure 1.8 (b) : smut corn (害上黑穗病的玉米 )
• Figure 1.8 (c) : Cygnus Loop imaged in the ultraviolet band.
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Imaging in the Visible and Infrared BandsImaging in the Visible and Infrared Bands
• Figure 1.9 (a) : Taxol (泰克索,一種抗癌藥物 )
• Figure 1.9 (b) : Cholesterol (膽固醇 )
• Figure 1.9 (c) : Microprocessor (放大 60倍 )
• Figure 1.9 (d) : Nickel oxide thin film (鎳氧化物薄膜 )
• Figure 1.9 (e) : Surface of audio CD (放大 1750倍 )
• Figure 1.9 (f) : Organic superconductor (有機超導體 )
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Thematic Bands in NASA’s LANDSAT SatelliteThematic Bands in NASA’s LANDSAT Satellite
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
LANDSAT Satellite ImagesLANDSAT Satellite Images
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Imaging in the Visible and Infrared BandsImaging in the Visible and Infrared Bands
![Page 13: Image Processing. Digital Image Processing, 2nd ed. © 2002 R. C. Gonzalez & R. E. Woods Chapter 1 Introduction Chapter 1 Introduction](https://reader030.vdocuments.net/reader030/viewer/2022032723/56649d045503460f949d7746/html5/thumbnails/13.jpg)
Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Infrared ImagingInfrared Imaging
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Infrared ImagingInfrared Imaging
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
![Page 17: Image Processing. Digital Image Processing, 2nd ed. © 2002 R. C. Gonzalez & R. E. Woods Chapter 1 Introduction Chapter 1 Introduction](https://reader030.vdocuments.net/reader030/viewer/2022032723/56649d045503460f949d7746/html5/thumbnails/17.jpg)
Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
![Page 18: Image Processing. Digital Image Processing, 2nd ed. © 2002 R. C. Gonzalez & R. E. Woods Chapter 1 Introduction Chapter 1 Introduction](https://reader030.vdocuments.net/reader030/viewer/2022032723/56649d045503460f949d7746/html5/thumbnails/18.jpg)
Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Imaging in the Microwave BandImaging in the Microwave Band
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Imaging in the Radio BandMRI: magnetic resonance imagingImaging in the Radio BandMRI: magnetic resonance imaging
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Imaging in the Radio BandImaging in the Radio Band
PS. Crab Pulsar: 巨蟹座脈衝星
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Other Examples Other Examples
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Other ExamplesOther Examples
![Page 23: Image Processing. Digital Image Processing, 2nd ed. © 2002 R. C. Gonzalez & R. E. Woods Chapter 1 Introduction Chapter 1 Introduction](https://reader030.vdocuments.net/reader030/viewer/2022032723/56649d045503460f949d7746/html5/thumbnails/23.jpg)
Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Fundamental Steps in Digital Image ProcessingFundamental Steps in Digital Image Processing
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Fundamental Steps in Digital Image ProcessingFundamental Steps in Digital Image Processing
• Image acquisition: Chapter 2• Image enhancement: Chapters 3, 4• Image restoration: Chapter 5(skip)• Color image processing: Chapter 6• Wavelets: Chapter 7 (skip)• Compression: Chapter 8 (skip)• Morphological processing: Chapter 9• Image segmentation: Chapter 10• Representation and description: Chapter 11• Object recognition: Chapter 12
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Digital Image Processing, 2nd ed.Digital Image Processing, 2nd ed.www.imageprocessingbook.com
© 2002 R. C. Gonzalez & R. E. Woods
Components of an Image Processing SystemComponents of an Image Processing System