introduction to image processing using matlab ppt

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Ngày tải lên: 28/06/2014, 22:20

... 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: Index Images ã An indexed image consists of a data matrix, X, and a colormap matrix, map. >> imshow(indexImg, map) Image Processing Using MATLAB Copyrighted ... with Images in MATLAB Image Types: Binary Images ã 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...

Ngày tải lên: 23/12/2013, 03:16

Ngày tải lên: 23/12/2013, 03:16

... finally, the extra space makes it easier for outsized impurity atoms to dissolve in the boundary. These atoms tend to segregate to the boundaries, sometimes very strongly. Then an average impurity concentration ... Materials 2 An Introduction to Microstructures, Processing and Design Case studies in phase diagrams 39 Fig. 4.5. Schematic of top left corner of the “silicon-impurity” phase diagram. To make things ... down too far when steaming hard, or increase the boiler pressure and thus temperature to get better performance, you are likely to blow leaks big enough to put the fire out. The solution is to use...

Ngày tải lên: 14/03/2014, 14:20

... matrix to give a 3 x 3 matrix which can then applied to the image pixels. Contrast stretching is applied to an image to stretch a histogram to fill the full dynamic range of the image. ... detector is applied to the small image and where edge pixel have been found, an edge detector is applied to the corresponding four pixels in the next large image – and so on to the full-size image. ... Histogram The image histogram is a valuable tool used to view the intensity profile of an image. The histogram provides information about the contrast and overall intensity distribution of an image. ...

Ngày tải lên: 02/04/2014, 00:33

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Ngày tải lên: 08/04/2014, 10:06

... relation using fuzzy max–min Method for the given using Matlab program R = ⎡ ⎣ 1010 0001 0000 ⎤ ⎦ and S = ⎡ ⎢ ⎢ ⎣ 01 00 01 00 ⎤ ⎥ ⎥ ⎦ . Solution. The Matlab program for finding fuzzy relation using ... max–min method is Program %enter the two vectors whose relation is to be found R=input(‘enter the first vector’) S=input(‘enter the second vector’) % find the size of two vectors [m,n]=size(R) [a,b]=size(S) if(n==a) for ... chapters altogether. It starts with introduction to the fuzzy system techniques. The application case studies are also discussed. The chapters are organized as follows: ã Chapter 1 gives an introduction...

Ngày tải lên: 08/04/2014, 10:12

... work session. 1.7.2 Using the MATLAB Editor to Create M-files The MATLAB editor is both a text editor specialized for creating M-files and a graphical MATLAB debugger. The editor can appear in ... 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 ... Edit. The MATLAB Working Environment In this section we give a brief overview of some important operational aspects of using MATLAB. 1.7.1 The MATLAB Desktop The MATLAB desktop is the main MATLAB...

Ngày tải lên: 28/04/2014, 10:26

... applications to be able to specify the shape of the histogram that we wish the processed image to have. The method used to generate an image that has a specified histogram is called histogram matching ... 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 đ Second Edition Rafael C. Gonzalez University ... approximation to the specified histogram. The toolbox implements histogram matching using the following syntax in histeq: g = histeq(f, hspec) where f is the input image, hspec is the specified histogram...

Ngày tải lên: 28/04/2014, 10:26

... APPLICATION OF IMAGE PROCESSING C C Á Á C L C L Ĩ Ĩ NH V NH V Ự Ự LIÊN QUAN LIÊN QUAN APPLICATION OF IMAGE PROCESSING APPLICATION OF IMAGE PROCESSING APPLICATION OF IMAGE PROCESSING Indexed Images  An ... matrix rgb2ind rgb2gray mat2gray ind2gray gray2ind ind2rgb bw2ind im2bw im2bw im2bw Basics about image processing in matlab APPLICATION OF IMAGE PROCESSING APPLICATION OF IMAGE PROCESSING Traffic Monitoring Ứng dụng trong giao thông

Ngày tải lên: 28/04/2014, 10:34

... tích to n bề mặt APPLICATION OF IMAGE PROCESSING IMAGE PROCESSING Using MATLAB

Ngày tải lên: 28/04/2014, 10:34

... until the light photons excite the human photoreceptors after having passed through the eye’s lens system. The light stimulates the photorecep- tors, and after some signal processing both in ... allo- cation to analyze static images in computer vision. In analogy with the cortical cell responses to moving patterns, one could differentiate resource allocations in motion image processing too. ... of photoreceptors are found. The view corresponding to this area is also called central vision or macular vision. The area corresponding to 1 ◦ eccentricity is the fovea. The photoreceptors come...

Ngày tải lên: 05/06/2014, 11:59

Ngày tải lên: 23/07/2014, 00:24

... = x + y; tstop = cputime ; fprintf (1, ‘ Using vectorization = %.3f\n ’ , tstop − tstart); 2.14 USING MATLAB FOR PROCESSING SIGNALS We are now in a position to use MATLAB to process some ... directory, and cd to change to another directory — for example, typing cd c: \matlab\ work will change the current working directory to disk drive c: in directory \matlab\ work . Type path to ... editor). In order to be able to fi nd the place (folder/ directory) where the m - fi les have been placed, they must be in the current MATLAB directory or in the MATLAB search path. Type pwd to...

Ngày tải lên: 29/03/2014, 10:20

... effective for the display of images. Contour plots are analogous to the contour or topographic maps used to describe geographical locations. The sinc function is shown using this method in Fig. ... monochrome images. 1. For the comparison of a sequence of images, it is imperative that all images be displayed using the same scaling. It is hard to emphasize this rule sufficiently and hard to count ... counterproductive to try to use signal processing techniques to remove this level of noise—the filtered image is usually v isually less pleasing than the original noisy one (although sometimes the image is...

Ngày tải lên: 01/07/2014, 10:43

Ngày tải lên: 01/07/2014, 10:43

Ngày tải lên: 01/07/2014, 10:43

Ngày tải lên: 01/07/2014, 10:43

Ngày tải lên: 01/07/2014, 10:43

Ngày tải lên: 01/07/2014, 10:43