Answered
saving captured images to a folder (error in imwrite function)
Try this code close all imaqhwinfo dev_info=imaqhwinfo('winvideo',1) %info=imaqhwinfo('winvideo') cell...

11 years ago | 0

Question

how to extract mean colour
I have a image and code http://imgur.com/qWf899i,9delUdX HSV = rgb2hsv(I); H = HSV(:,:,1); H = H(:); S...

11 years ago | 1 answer | 0

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answer

Question

how to calculate cpu time
I have a program clc if %my program else disp('timed out') end my program consist of...

11 years ago | 2 answers | 0

2

answers

Question

changing the colour gray
I have a binary image with black background and a white object in circle ,now i want to change the colour of white to gray plz h...

11 years ago | 1 answer | 0

1

answer

Question

error wen separating the channel
I am running a code for stegnography,the problem is that it works for cameraman and gray scale images,if any RGB is converted...

11 years ago | 0 answers | 0

0

answers

Question

value changes when running each time
x=imread('im9.bmp'); HSV = rgb2hsv(x); H = HSV(:,:,1); H = H(:); S = HSV(:,:,2); S = S(:); V = HSV(:,:,3); V =...

11 years ago | 1 answer | 0

1

answer

Question

applying colour for clustered image
i have a code below of 2 images for n=1:length(dirlist); img = imread([pathname, dirlist(n).name]); I=img; ...

11 years ago | 2 answers | 0

2

answers

Answered
To remove the noise using Median Filtering.
EDITED clc clear all myFolder='E:\MRP\accuracy\class2' m=input('Type the Number of ...

11 years ago | 2

| accepted

Answered
Plotting graph using M-file.
Try this for i = 1:10:100 y=i+2; t=y^2+4; x(i) = (2*t-1); k(i)=y+1; bar(x,y) end

11 years ago | 0

| accepted

Question

k means clustering on images
lab color space and hsv are different colour regions ,where we can apply k means clustering and we can apply on image also Ca...

11 years ago | 1 answer | 0

1

answer

Question

Error in using waverec2
I have a code below,where i used 2 level decomposition and added noise to image ,wen reconstructing i am not getting original im...

11 years ago | 3 answers | 0

3

answers

Question

chaging the background of image
I am capturing image through webcam,now i want to make the background of catpured image white in colour,plz assist how to do

12 years ago | 0 answers | 0

0

answers

Question

connecting sql server with matlb
I have extracted features of face using PCA,i have stored it in a variable res,now i want to store these features in sql server ...

12 years ago | 1 answer | 0

1

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Question

dll file not supporting
I got source code for face detection http://www.mathworks.com/matlabcentral/fileexchange/13701 in this the dll file is no...

12 years ago | 1 answer | 0

1

answer

Question

how to get pixel coordinates
I have a image and have drawn,roipoly command,now i want to get the pixel coordinates,plz tell how to get these coordinates ...

12 years ago | 1 answer | 0

1

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Question

main features of k means clustering
I am working on cbir using k means clustering,my first step is to extract features ,can you say what are all the main features t...

12 years ago | 1 answer | 0

1

answer

Question

taking snapshot of many persons
I have code below for taking snap shot of single person close all imaqhwinfo dev_info=imaqhwinfo('winvideo',1) ...

12 years ago | 1 answer | 0

1

answer

Question

Undefined function or method 'getCameraInfo'
I am trying to capture a frame from webcam,for hat i used the coding below a = imaqhwinfo; [camera_name, camera_id, ...

12 years ago | 1 answer | 0

1

answer

Question

Error in writing image to folder
I have a code below in which the image is not writtten into the specified folder please tell where isthe mistake for k=1...

12 years ago | 1 answer | 0

1

answer

Question

calssifying data using classifier
I have extracted the features of a brain images and have saved it a variable S i have classified it using svm classifie...

12 years ago | 0 answers | 0

0

answers

Question

Error in getting output
clc clear all close all [y,Fs,nbits] = wavread('bird.wav'); [cA,cH,cL,cD] = dwt2(y,'haar');%wavelet deco...

12 years ago | 1 answer | 0

1

answer

Question

Error in printing number
I have a code below in which i have error in printing value at the third column for m3 = 1:(length(dirlist)) ...

12 years ago | 1 answer | 0

1

answer

Question

Error using huffman code
I get error Error using ==> huffmandict at 72 The symbol input must be a vector Error in ==> Untitled3 at 5 ...

12 years ago | 1 answer | 0

1

answer

Question

Quantizing a image after dwt
I saw a demo in http://www.mathworks.in/help/wavelet/ug/true-compression-for-images.html in that i have performed dwt and...

12 years ago | 0 answers | 0

0

answers

Question

Noise removal using filters
I have a gray scale image with salt and pepper noise,I have to remove the noise by using 2 methods Cellular automata Fuzzy...

12 years ago | 0 answers | 0

0

answers

Question

Converting 4 bits to 5 bits
I have values a=10 8 15 converted to decimal using a1 = dec2bin(mod(2^5+a,2^5)) even afte...

12 years ago | 2 answers | 0

2

answers

Question

Sorting values according to index
I have two vales S=[70 110 65 30 25 40 60] K=[4 2 3 1 5 7 6]; I have to sort S according to K for exampl...

12 years ago | 2 answers | 0

2

answers

Question

Error using bitget and bitset in array
I havr a code below,it returns error using array C=[1081;1056]; for i=1:11 if (bitget(C(i),5)==1) P=bi...

12 years ago | 1 answer | 0

1

answer

Question

Edit:Replacing 5 bits in Binary value
I have values say A=[1056;1078] B=[31;25]; i tried using for i=1:2 C(n:n+numel(D)-1)=D; end but not getting...

12 years ago | 1 answer | 0

1

answer

Question

Replacing 5 bits in a binary value
i have two vales such as A=1078; B=25; now i want to embed this B value in A ,embedding layer is 8, B...

12 years ago | 1 answer | 0

1

answer