Biosignal and Biomedical Image Processing phần 6 pptx

... filtering has a number of applications in biosignal processing. It can be used to suppress a narrowband noise source such as 60 Hz that is corrupt- ing a broadband signal. It can also be used in the ... 1.2 16] . ADAPTIVE SIGNAL PROCESSING The area of adaptive signal processing is relatively new yet already has a rich history. As with optimal filtering, only a brief example of the use...

Ngày tải lên: 06/08/2014, 00:20

... 100 16, U.S.A. tel: 212 -69 6-9000; fax: 212 -68 5-4540 Distribution and Customer Service Marcel Dekker, Inc., Cimarron Road, Monticello, New York 12701, U.S.A. tel: 800-228-1 160 ; fax: 845-7 96- 1772 Eastern ... Distribution Marcel Dekker AG, Hutgasse 4, Postfach 812, CH-4001 Basel, Switzerland tel: 41 -61 - 260 -63 00; fax: 41 -61 - 260 -63 33 World Wide Web http://www.dekker.com The pub...

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... signal processing algorithms and data that can be used to evaluate a signal processing system under development. The Web is becoming an evermore useful tool in signal and image processing, and a ... a random time series with a narrow bandwidth (left) and broader bandwidth (right). Note the inverse relationship be- tween the autocorrelation function and the spectrum: the broad...

Ngày tải lên: 06/08/2014, 00:20

... and II, and elliptic filters. Use a cutoff frequency of 200 Hz and assume a sampling fre- quency of 2 kHz. For all filters, the passband ripple should be less than 3 db and the minimum stopband ... Type I, Chebyshev Type II, and an elliptic. Use a passband ripple of 0.5 db and a stopband ripple of 80 db where appropriate. Use the same bandwidth as in Problem 4. 6. Load the data f...

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... two methods. Example 6. 3 Appl y the Wign er-Vill e distribut ion to the signal of Exam- ple 6. 1. Use the analytic signal and provide plots simil ar to those of Example 6. 1. % Example 6. 3 and Figures 6. 7 and 6. 8 % ... this signal using the Wigner-Ville and Choi-Williams TLFeBOOK 158 Chapter 6 % Example 6. 1 and Figures 6. 2, 6. 3, and 6. 4 % Example of the use of...

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... four different image classes or encoding schemes are: indexed images, RGB images, intensity images, and binary images. The first two classes are used to store color images. In indexed images, the ... logical, and pro- duce an output of type uint8 if the associated map length is less than or equal to 64 , or uint 16 if greater that 64 . N specifies the colormap depth and must be les...

Ngày tải lên: 06/08/2014, 00:20

... 0.5) and the unsharpe filter (alpha = 0.2) are shown below: h unsharp = ͫ −0. 166 7 −0 .66 67 −0. 166 7 −0 .66 67 4.3333 −0 .66 67 −0. 166 7 −0 .66 67 −0. 166 7 ͬ ; h gaussian = ͫ 0.0113 0.0838 0.0113 0.0838 0 .61 93 ... image I I_add = imadd(I, J); % Adds image I and J (images and/ % or constants) to form image % I_add I_sub = imsubtract(I, J); % Subtracts J from image I I_divi...

Ngày tải lên: 06/08/2014, 00:20

... the first eight images (or 16, if you use 64 frames). 6. Back in the 1 960 ’s, people were into “expanding their minds” through med- itation, drugs, rock and roll, or other “mind-expanding” experiences. ... rotated image and the origin al image. ) 9. Load a frame of the MRI image ( mri.tif ) and perform a spatial transfor- mation that first expands the image horizontally by 20%...

Ngày tải lên: 06/08/2014, 00:21

... (logical OR) of the upper images and the lower right image adds a thresholded texture-based image. The original and texture images are shown in Figure 12.14. Note that the texture image has been scaled ... provide the Radon and inverse Radon transform for fan beam geometry. TLFeBOOK Image Segmentation 367 This example produced the images in Figures 12.15 and 12. 16. Example...

Ngày tải lên: 06/08/2014, 00:21