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Nayana Hammini


Active since 2015

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I have taken finger print images captured in various surfaces and enhanced the image using 'imsharpen' and histogram equalization. I want to blur background and highlight fingerprint portion only. How can it be done?
I have attached pdf file with original images and enhanced images. How to highlight fingerprint region removing background noise...

7 years ago | 0 answers | 0

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answers

Question


What is the MATLAB code for band rejection filter to remove periodic noise?
I converted noisy image to frequency domain using fourier transform and now I have to apply band rejection filter on it to reduc...

8 years ago | 0 answers | 0

0

answers

Question


How to convert an image to frequency domain in MATLAB?
I did it with this below code. r=imread('C:\Users\Nayana22\Desktop\k.jpg'); figure,imshow(r) F=fft2(r); S=fftshift...

8 years ago | 1 answer | 0

1

answer

Question


How to capture video from webcam in MATLAB?
vid = videoinput('winvideo',1, 'YUY2_320x240'); set(vid, 'FramesPerTrigger', Inf); set(vid, 'ReturnedColorspace', 'rgb')...

8 years ago | 1 answer | 1

1

answer

Question


I have 3 separate lines in an image and i need to find length of each line separately and display.
Logic i thought is, first search for pixel having zero intensity value and then find its neighbor pixels by traversing and incre...

8 years ago | 1 answer | 0

1

answer

Question


How to enhance a blurred image captured in real-time?
I captured an image using webcam and estimated the blur extent of it using Haar wavelet transform. Now I want to enhance the sam...

9 years ago | 1 answer | 0

1

answer