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satish thapaliya


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Con actividad desde 2012

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Professional Interests: image processing

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Does (:,:,1) code work to calculate Y component in YcbCr color model?
i am currently studying color models in matlab specially YCbCr color model. I had an RGB image. First i converted image into YCb...

más de 11 años hace | 1 respuesta | 0

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why colorspace value is different in different models?
I used a set of colorspace function to study the intensity of color in the same images. I had seven green colored images and I u...

más de 11 años hace | 0 respuestas | 0

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why 'load_image' function could n't be used in matlab?
I was trying to process some images in matlab by using linear color space image feature of ipt. For this, I followed a tutorial ...

más de 11 años hace | 0 respuestas | 0

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how to calculate intensity of an image?
I have some images. My task is to calculate intensity of these images. Initially I used color plane (for e.g red, green etc) but...

más de 11 años hace | 1 respuesta | 0

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are there any index in image processing toolbox of matlab that would represent intensity of an image?
I want to know wheter there is some functions in matlab which would describe the intensity of an image. I want to study differen...

casi 12 años hace | 2 respuestas | 0

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why the G channel value of a pixel is different in different positions?
I took an image of the object and estimated its g channel value at some points. Next time i changed the position of the object a...

casi 12 años hace | 2 respuestas | 0

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Why the G color plane curve of four different groups of image plotted against another constant variables has different shape from its average value?
I have seven green colour images of different intensities at different spatial positions. i used four different positions to fin...

casi 12 años hace | 1 respuesta | 0

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How to use lpfilter for filtering in frequency domain of an image?
I used the following codes f=imread('phalenges.jpg'); [M,N]=size(f); sig=10; F=fft2(f); H=lpfilter('gaussian',[M,N],'sig');...

casi 12 años hace | 1 respuesta | 0

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how to use function colfilt?
I want to filter an image by using non linear spatial filters. I used the command colfilt(I,[3 3],'sliding',fun 'parameter'); I...

casi 12 años hace | 1 respuesta | 0

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how to use changeclass function in IPT ?
I want to use intrans function for intensity transformation of a color image. the function intrans(I,'neg') doesn't work where I...

casi 12 años hace | 1 respuesta | 0

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how to see x and y cordinate in the plot beyond its end point?
I have a matlab plot containing value of x from 5 to 25. I want to find the y value corresponding to 3 at x axis but I can't use...

alrededor de 12 años hace | 2 respuestas | 0

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I was trying to use impixel function described in help option of matlab. it instructed to press Return. But I can't find Return.
the following code allowed me to choose the point of my interest to identify pixel value I=imread('3.BMP'); vals=impixel(I);...

alrededor de 12 años hace | 2 respuestas | 0

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Respondida
what does this code mean?
Thanks Roberson

alrededor de 12 años hace | 0

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what does this code mean?
1/(mean(mean(I1(xy_index(2)+(-7:7),xy_index(1)+(-7:7),1)))/mean(mean(I2(xy_index(2)+(-7:7),xy_index(1)+(-7:7),1))))

alrededor de 12 años hace | 2 respuestas | 0

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how to correct subscript indices error in following codes?
a=0.85; for i=1:7 filename=strcat('D:\2nd year\EXP season 2\Dry\cat1\',num2str(i),'.bmp'); I=imread(filenam...

alrededor de 12 años hace | 1 respuesta | 0

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