... ‘ Using vectorization = %.3f\n ’ , tstop − tstart); 2.14 USINGMATLAB FOR PROCESSING SIGNALS We are now in a position to use MATLAB to process some signals. Once a signal is sampled (in digital ... manipulated using mathematical methods. To illustrate, suppose we generate a set of N random samples in MATLAB as follows: N = 1,000; x = rand (N, 1); Now we can plot the random vector x and play ... if ( ˜ isempty (cmap) ) disp ( ′ This image has a colormap ′ ); end [ImageHeight ImageWidth NumColorPlanes] = size (ImageMat); image (ImageMat); colormap (cmap); set ( gca , ′...
... the following discussion and in subsequent chapters we sometimes refer to DigitalImage Processing byGonzalezandWoods as “the Gonzalez- Woods book,” and to the ImageProcessing Toolbox as “IPT”or ... DigitalImage Processing, byGonzalezand Woods, published by Prentice Hall. The software code and supporting tools are based on the lead-ing software package in the field: The MATLABImageProcessing ... the commands a userhas entered in the Command Window, including both current and previous MATLAB sessions. Previously entered MATLAB commands can be selected and re-executed from the Command History...
... plot an image histogram. (a) imhist, (b) bar, (c) stem, (d) plot. Digital Image Processing Using MATLAB ®Second EditionRafael C. Gonzalez University of TennesseeRichard E. Woods MedData ... Techniques 1333.6.3 Using Fuzzy SetsIn this section we develop the foundation for using fuzzy sets, and then apply the concepts developed here to imageprocessing in Sections 3.6.5 and 3.6.6. We ... sections we develop and illustrate MATLAB formulations representative of processing techniques in these two categories. We also introduce the concept of fuzzy imageprocessingand develop sever-al...
... with Images in MATLAB a) Image types and classesb) Read/write imagesc) Display images2. Basic Image Processing a) Image contrast and brightness enhancementb) Image arithmetic3. Block Processing ... 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 ProcessingUsing MATLAB Copyrighted ... - Create and display image object (MATLAB) .• imagesc - Scale data and display as image (MATLAB) .• colorbar - Display colorbar (MATLAB) .• colormap - Sets the color map of the image (MATLAB) .•...
... trận31.087.065.075.082.056.002.038.048.073.093.037.071.084.019.092.056.016.0APPLICATION OF IMAGE PROCESSING CCÁÁC LC LĨĨNH VNH VỰỰLIÊN QUANLIÊN QUANAPPLICATION OF IMAGE PROCESSING APPLICATION OF IMAGE PROCESSING APPLICATION OF IMAGE PROCESSING Indexed ImagesAn ... about imageprocessing in matlab APPLICATION OF IMAGE PROCESSING APPLICATION OF IMAGE PROCESSING Traffic MonitoringỨng dụng trong giao thông
... xix1Introduction 151.1 What Is DigitalImage Processing? 151.2 The Origins of DigitalImageProcessing 171.3 Examples of Fields that Use DigitalImageProcessing 211.3.1 Gamma-Ray Imaging ... Used 341.4 Fundamental Steps in DigitalImageProcessing 391.5 Components of an ImageProcessing System 42Summary 44References and Further Reading 452 Digital Image Fundamentals 342.1 Elements ... Sampling and Quantization 522.4.2 Representing Digital Images 542.4.3 Spatial and Gray-Level Resolution 572.4.4 Aliasing and Moiré Patterns 622.4.5 Zooming and Shrinking Digital Images 64viiGONZFM-i-xxii....
... Publishing, NY.Baxes, G.A. [1994]. DigitalImage Processing: Principles and Applications, John Wiley &Sons, NY. Gonzalez, R. C. and Woods, R. E. [1992]. DigitalImage Processing, Addison-Wesley,Reading, ... image processing is intimately tied to the development of the digital computer. In fact, digital images require so much storage and computational power that progressin the field of digitalimage ... B. G. and Netravali,A. N. [1997]. Digital Pictures: Representation, Compression, and Standards, Perseus Publishing, NY.Jahne, B. [1997]. DigitalImage Processing: Concepts, Algorithms, and Scientific...
... was digitized using fs 8 kHzand B 16.This speech file can be viewed and played using the MATLAB script:load(timitl.asc);plot(timitl);soundsc(timitl, 8000, 16);where the MATLAB function ... filtercoefficients, bl and am, of the digital filter defined by (3.2.18) are determined by a filterdesign package such as MATLAB for given specifications. These coefficients are usuallyrepresented using the ... a Gaussianrandom variable from a uniformly distributed random variable using N ! 12. TheGaussian random variable is frequently used in communication theory. The MATLAB function randn generates...