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Explain briefly the operation, draw the functions, formulas and observations.
(i) Write an m-file "imnorm.m" which takes an image finds min and max values and uses them to normalize the image.
What kind of image enhancement operation is performed within that function? Draw an illustration.
Write an m-file for each of the following operations: (ii) compute negative image (neg.m)
(iii) apply power law transform with a superscript 0.2 (powlaw.m)
(iv) perform histogram equalization of an image (hist_eq.m) it should display 5 figures: the input image and its histogram the integral histogram the output image and its histogram the following function will give you a histogram of pixel values between 0 and 255 h=sum(hist(im,[0:255])'); %help hist; help sum; stem(h,'.k');
function imh=hist_eq(im); figure(1); imshow(?); h=? figure(2) stem(?); % compute integral image hint=h; for i=2:256 hint(i)=hint(i-1)+h(i); end hint=255*hint/hint(end); %normalize the integral histogram to have values between 0 and 255 figure(3) stem(?); imh=hint(im);%modify pixel intensities imh=uint8(imh);%normalize to byte values figure(4) imshow(?) h=? figure(5) stem(?);
What histogram equalization does? What should be the shape of the output histogram? Why it isn't?
Explain PUBLIC For large programs several small modules are linked together. In order that the modules link together correctly any variable name or label referred to in other m
Q. Consider the circuit configuration shown in Figure. Let V i = 1V, R 1 = 1000, R 2 = 2000, and A = 3. (a) Compute i 2 . (b) If R 1 changed to 500 , recompute i 2 .
Q. Illustrates typical thermal noise waveform? In general, any physical resistor or lossy device can be modeled by a noise source in series with a noiseless resistor, as shown
The spectrum analyser plots amplitude against frequency, in other words it shows signals in the frequency domain. The spectrum analyser has the same trigger options as the oscillos
field effect transistor as switch?
Singles Phase Half wave Controlled Rectifier with RL Load When gate pulses are applied to the thyristor at output voltage v0 follows the input voltage v s ( = V m sin ) s
Installation of Meters and Verification of Connections Apart from testing and calibrating the meters they must be properly installed as per the links diagram. The points in wh
Explain current divider rule Current flow through at every resistor that connected by parallel can be find by using current divider rules (CDR).
advantages of superposition theorem
The Input Output System The input output system provides the physical connection between the equipment and the PLC there are many different kinds of I/O cards which ser
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