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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?
Define addressing modes of 8085. a) Immediate addressing b) Register addressing c) Direct addressing d) Indirect addressing e) Implicit addressing
For the amplifier circuit shown in Figure with R i ≅ ∞,R o ≅ 0,A = 10,R L = 100 , and v in = 1 V, calculate the power dissipated in the amplifier if the voltage at the power-s
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Q. In an amplifier, the maximum voltage gain is 1500 and occurs at 1kHz. It falls to 1060.5 at 20kHz and at 20Hz. Determine (i) lower cut-off frequency (ii) upper cut-o
What is a microcomputer? A computer that is designed using a microprocessor as its CPU is known as microcomputer
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Points of Verification of Connection i) Phase association ii) CT polarity iii) VT polarity iv) Phase angles v) Phase sequence vi) System conditions - unbalanc
Q. Write short note on a negative clamper ? A circuit which places the negative peak of a signal at a desired level is known as a negative clamper (1). During the
what is that mean and explain
Q. What is DTMF dialling? DTMF dialling 1. Uses push buttons 2. Uses 8 different frequencies in pairs. 3. 16 different characters can be represented. 4. The f
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