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chitresh


EERC

Actif depuis 2013

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i am working as a student
Professional Interests: Image Processing

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Question


intensity measure has to be high or low for a good image
Hi friends want to know few things about some parameters 1)(mean) the average intensity of the image has to be high or low fo...

presque 11 ans il y a | 1 réponse | 0

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how can i write psnr coding for denoised image
conver input image and noise image to gray scale image by using rgb2gray(image) [rows columns] = size(input_gray_image); s...

presque 11 ans il y a | 0

Question


How to implement gray level probability density function?
the gray-level probability density function given as P(g) = h(g)/M, where h(g) is the number of pixels with gray level g and ...

presque 11 ans il y a | 2 réponses | 0

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Question


Design band pass filter
Design a BPF with; *max. attenuation in pass band region: 1 db(monotonic) *min. attenuation in stop band region: 12 db(mon...

presque 11 ans il y a | 1 réponse | 0

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Question


discrete time signal X[n] of length 100 simulate the upsampling process for three different upsampling L sections?
By choosing a discrete time signal X[n] of length 100 simulate the upsampling process for three different upsampling L sections...

presque 11 ans il y a | 1 réponse | 0

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wavread cannot open file. plz mere code k according batye k kese waveread ko use karo
This works: [y,Fs]=wavread('filename'); sound(y,Fs); note: the filename could be any audio file. but use a converter f...

presque 11 ans il y a | 0

Réponse apportée
binary image mean and SD
input = imread('Image_file_name'); binary = im2bw(input); mean = mean2(binary); std = std2(binary);

presque 11 ans il y a | 0

Question


when i recombined bit plane image after histogram equalization,it is completely white not visible, can anyone tell me why, i try this code, please help me
why my reconstruct image is white can anyone tell me i try this code input = imread('input.jpg'); input_gray = rgb2gray(in...

presque 11 ans il y a | 1 réponse | 0

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edge detection using sobel operator
I = imread('image_file'); BW1 = edge(I,'sobel'); imshow(BW1);

presque 11 ans il y a | 3

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i want to know how to find the size of original image & compressed image..
original file size = (width* height*bit depth)/8; and you can get compressed file size from imfinfo('imagefile'); and rest pa...

presque 11 ans il y a | 0

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Converting double and integer value to logical array
y = im2bw(x) try this it convert it to logical class if problem is solved accept the answer

presque 11 ans il y a | 0

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I have data point which fits the line y=mx+c ? How can I write code for this?
>>syms x y m c >> solve(' y = m * x + c') i think this gone solve your question, if it is solved accept the answer

presque 11 ans il y a | 1

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Which is book should I use for learning matlab?
dear first choose the domain in which you want to choose and there are no. of books available , the best is matlab help section ...

presque 11 ans il y a | 0

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how to display string over image for scene labeling?
>> a = imread('Image_File'); >> binary = im2bw(a); >> l = bwlabel(a_b,4);% 4 or 8 we can choose according to our requi...

presque 11 ans il y a | 0

Question


i want to implement Minutiae extraction plz tel me with explanation how to implement it
i want to implement Minutiae extraction plz tel me with explanation how to implement it

presque 11 ans il y a | 2 réponses | 0

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Question


i want to create a block of size W * W is centered at pixel (i; j) in the image.
hi friends i am having a problem and like to solve it step by step i want to create a block of size W*W and then make it cent...

presque 11 ans il y a | 1 réponse | 0

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what should be the parameter(sigma,lambda,psi,gamma,theta)values in gabor program ?
lambda default value is 2 that is wavelength. bw = 1 default bandwidth. theta = 0 to 360 degree any thing u can choose ...

presque 11 ans il y a | 1

Réponse apportée
how can i calculate variance of the intensity in an gray scale image
a = imread('input.tif'); % convet uint8 to double a_double = double(a); % get number of rows and columns value [r,c] = size(...

presque 11 ans il y a | 0

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Is it possible to solve the following ???
yes i think it is possible

presque 11 ans il y a | 0

Question


i want to implement this transformation formula on any image, give me code, links , tutorials related to it ?
how i implement this formula on such kind of images friends plz help

presque 11 ans il y a | 3 réponses | 0

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Question


Filesize of an image
i gone through some doc where i know the formula for an image filesize that is filesize = (height*width*bitdepth)/8 ; i rea...

environ 11 ans il y a | 1 réponse | 0

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Question


can we find what kind of noise present in an image
can we find what kind of noises present in an image

environ 11 ans il y a | 2 réponses | 0

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Question


want to know the techniques that improve black and white images, like i show below plz help me with codes, links , ieee papers etc and techniques names
want to know the techniques that improve black and white images, like i show below plz help me with codes, links , ieee papers...

environ 11 ans il y a | 1 réponse | 0

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Question


can we find out the difference between two histogram , if yes then how ?
i use imhist(file_name) command to display histogram of two different images, now i want to see the difference between them, in ...

environ 11 ans il y a | 1 réponse | 0

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Question


i want to know how to find the size of original image & compressed image..
<</matlabcentral/answers/uploaded_files/4126/information%20about%20image.jpg>> file size is 77381 width is 728 height is 48...

environ 11 ans il y a | 2 réponses | 0

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Can I use one Matlab 2010a individual license on both a work station and a laptop?
OK, may be it work with this i am not sure... copy your folder where you installed matlab from workstation (generally we stored ...

environ 11 ans il y a | 0

Question


i want to solve this image processing deblurring problem, if anyone ave any idea have a look to my question posted in image?
how to deblurred, i stuck at this point, i have no idea about this what this question trying to say. so guys plz help me have a ...

environ 11 ans il y a | 1 réponse | 0

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Question


colormap problem, i try one colorful image and two black&white , it works with one of the black&white image but not with the other twos
i use 3 images one is colored and other two is black&white... but colormap work for only cameraman image(for three images see th...

environ 11 ans il y a | 1 réponse | 0

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reading an pdf image
first of all its almost same after downloading the file you upload on link,your file is in png format,if you want to increase th...

environ 11 ans il y a | 0

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Question


f is a matrix image converted to new matrix image by using mat2gray function. i want to know how elements of new matrix formed ?
i got f = [1 2;3 4] gives me f = 1 2;3 4 when i use mat2gray(f) funtion it yields result ans = 0 0.3333;0.6667 1.0000 anyone ...

environ 11 ans il y a | 1 réponse | 0

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