digital image processing with matlab examples

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Ngày tải lên: 01/01/2014, 21:13

... corrections and image registration also are covered. Chapter 6: Color Image Processing. This chapter deals with pseudocolor and full-color image processing. Color models applicable to digital image process- ing ... Image Processing Toolbox, also are available. Areas of Image Processing Covered in the Book Every chapter in this book contains the pertinent MATLAB and IPT material needed to implement the image ... sense.” Digital image processing, as we have defined it, is used successfully in a broad range of areas of exceptional social and economic value. Background on MATLAB and the Image Processing...

Ngày tải lên: 28/04/2014, 10:26

... used interchangeably when deal- ing with monochrome (i.e., gray-scale) images. When dealing with color images, the term intensity is used to denote a color image component in certain color spaces, ... 250 0 5000 10000 15000 c a b d FIGURE 3.7 Various ways to plot an image histogram. (a) imhist, (b) bar, (c) stem, (d) plot. Digital Image Processing Using MATLAB ® Second Edition Rafael C. Gonzalez University ... levels, s, with a uniform probability density function ps s () . Suppose now that we define a variable z with the property Hz pd z z () ()= 0 2 ww=s Keep in mind that we are after an image with...

Ngày tải lên: 28/04/2014, 10:26

... example of noise cleaning: (a) image corrupted by impulse noise with a density of 0.05 and (b) noise-cleaned image. Original image is courtesy of the Center for Image Processing Research, Rensselaer ... Enhancement 3 H a b FIGURE 1-3 Enhancing an image by histogram equalization: (a) original image and (b) enhanced image. Original image courtesy of the Center for Image Processing Research, Rensselaer Polytechnic ... book deals with the basic principles involved in processing images for different end results. In particular, it describes in detail image enhancement and image compression. The topic on image compression...

Ngày tải lên: 05/06/2014, 11:57

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Ngày tải lên: 08/04/2014, 10:06

Ngày tải lên: 28/06/2014, 22:20

... xix 1 Introduction 15 1.1 What Is Digital Image Processing? 15 1.2 The Origins of Digital Image Processing 17 1.3 Examples of Fields that Use Digital Image Processing 21 1.3.1 Gamma-Ray Imaging ... Imaging in the Radio Band 34 1.3.7 Examples in which Other Imaging Modalities Are Used 34 1.4 Fundamental Steps in Digital Image Processing 39 1.5 Components of an Image Processing System 42 Summary ... Aliasing and Moiré Patterns 62 2.4.5 Zooming and Shrinking Digital Images 64 vii GONZFM-i-xxii. 5-10-2001 14:22 Page vii Digital Image Processing Second Edition Rafael C. Gonzalez University of...

Ngày tải lên: 02/11/2012, 17:24

... digital image processing is intimately tied to the development of the digital computer. In fact, digital images require so much storage and computational power that progress in the field of digital ... 1.18 Images of the Crab Pulsar (in the center of images) covering the electromagnetic spectrum. (Courtesy of NASA.) 1.3 ■ Examples of Fields that Use Digital Image Processing 21 FIGURE 1.17 MRI images ... on images generated by sources that humans are not accustomed to associating with images. These include ultra- sound, electron microscopy, and computer-generated images.Thus, digital image processing...

Ngày tải lên: 02/11/2012, 17:24

Ngày tải lên: 02/11/2012, 17:25

Ngày tải lên: 02/11/2012, 17:25

... Working with Images in MATLAB a) Image types and classes b) Read/write images c) Display images 2. Basic Image Processing a) Image contrast and brightness enhancement b) Image arithmetic 3. Block Processing ... Bhd. Working with Images in MATLAB Image Types: Binary Images • In a binary image, each pixel assumes one of only two discrete values: 0 (off) and 1 (on). >> imshow(bwImg) Image Processing Using MATLAB Copyrighted ... are used with images: RGB and Hue-Saturation- Value (HSV). www.techsource.com.my ©2005 Systems Sdn. Bhd. Working with Images in MATLAB Importing and Exporting Images in MATLAB • Image Processing...

Ngày tải lên: 23/12/2013, 03:16

... universal scaling within Matlab so we will use this wherever possible. In this format, a recorded sample with integer value 32 767 would be stored with a floating point value of +1.0, and a recorded sample with ... in the bibliography. Generally, the audio processing specialist is fortunate enough to be able to work with digital audio without being too concerned with how it was captured, or how it will be ... all examples to the basic Matlab without optional toolboxes wherever possible. It is my sincere hope that academics and industrial engineers alike will benefit from the practical and hands-on Matlab...

Ngày tải lên: 24/03/2014, 01:20

... ′ MyImage.bmp ′ ; [ImageMat cmap] = imread (FileName); if ( ˜ isempty (cmap) ) disp ( ′ This image has a colormap ′ ); end [ImageHeight ImageWidth NumColorPlanes] = size (ImageMat); ... ’ , tstop − tstart); 2.14 USING MATLAB FOR PROCESSING SIGNALS We are now in a position to use MATLAB to process some signals. Once a signal is sampled (in digital form), it can be manipulated ... ′ , [1 1 1]); We can alter the earlier RGB image processing code to read images which contain a color palette. The following code reads in an image and checks the returned value cmap, which...

Ngày tải lên: 29/03/2014, 10:20

... Digital Image Processing – Part II 54 Morphological Image Processing (a) (c) (d) (b) Digital Image Processing – Part II 87 Image Segmentation (a) (b) (c) (a) (b) Digital Image ... compartments (a) (b) Digital Image Processing – Part II 13 Colour Image Processing (b) Figure 5 Illustration of intensity slicing and colour assignment. Digital Image Processing – Part II 10 Colour Image ... connected to the image border. (a) (c) (d) (b) Digital Image Processing – Part II 89 Image Segmentation 3.9 Object-oriented image segmentation The challenge of understanding images is not...

Ngày tải lên: 31/03/2014, 16:20