mmm ssss
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Professional Interests: image processing,pattern recognition
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Question
A problem with 'bwconncomp' function ....
hi all, please i need a help this is a part of my code , T = maketform('affine',[cn -sn 0; ...
plus de 11 ans il y a | 2 réponses | 0
2
réponsesQuestion
question about im2unit8 and im2unit16???
Hi all 'im2unit8' and 'im2unit16' are not found in my matlab . how can i add them?? Thanks
presque 12 ans il y a | 1 réponse | 0
1
réponseQuestion
problem in calculation of the mean??
Hi all i have a function , this function when i call it returns to me X which will be of size 55*128.i have a 18 person , f...
presque 12 ans il y a | 1 réponse | 0
1
réponseQuestion
how can i correct this error here "??? Error using ==> eq Matrix dimensions must agree."????
Hi all, i tried to implement this code in matlab ,but i obtained this error"??? Error using ==> eq Matrix dimensions must agre...
presque 12 ans il y a | 1 réponse | 0
0
réponseQuestion
what is this error "??? Index exceeds matrix dimensions." mease in this code??
Hi all i tried to implement this code in matlab ,but i obtained this error"??? Index exceeds matrix dimensions."please he...
presque 12 ans il y a | 1 réponse | 0
1
réponseQuestion
distance between vectors in matlab???
hi i have a vector of 85*1 size and a matrix contains 85*396. i need to find the distance between the 85*1 vector and all ...
presque 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
formatting trainning set for testing purpose in matlab?
Hi i have a feature vectors of a 9*1 , for each person i have 4 vectors as 4 trainning images , so i obtaind for99 images a...
presque 12 ans il y a | 1 réponse | 0
0
réponseQuestion
how can i create trainning set for pca in matlab?
Hi all i have a database for 49 person , 4 images/person . i need to form training set for pca by representing each image by...
environ 12 ans il y a | 1 réponse | 0
0
réponseQuestion
can i create feature vector by this way?????
Hi All i need to ask if it is possible to create a feature vector from the image below by obtaining only the coordinates of...
environ 12 ans il y a | 1 réponse | 0
0
réponseQuestion
what is wrong here?please.
Hi All i need to do matching between 2 images in matlab by following these steps: 1.Input: P1, P2 (two images). 2.Vari...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
similarity between 2 B/w images?
Hi All I have 2 B/W images , and i need to measure similarity between them , so for example if i use corr2 function: I1=...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
how can i find the number of the overlapped white pixels between 2 black and white images?
Hi all i have 2D images (BW), i performed transformation on one of them ,while keeping one without any changes , after that...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
how can i translate a 2D image in x ,y directions using matlab?
hi all i have a 2D image , how can i translated it in x direction by using from :x-translation=-tx;to:x-translation=...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
how can i perform a registration to 2D images using ''rigid " transformation in matlab?
Hi All i need to perform registration to 2D image using"rigid transformation" in matlab .i need this for measuring the simi...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
reading and writing mulltiple images automatically?
Hi all i have 250 images stored at E:\HandVein_DataSet these 250 images belong to 50 person , this mean each one has...
environ 12 ans il y a | 1 réponse | 0
1
réponsemoving the center of an image from point to another?
clear all img=imread(.........);%reading image. imshow(img); level=graythresh(img); x=im2bw(img,leve...
environ 12 ans il y a | 0
Question
moving the center of an image from point to another?
Hi All i have this image http://postimage.org/image/91xxambx9/ i want to moving it to the center of the whole figur...
environ 12 ans il y a | 3 réponses | 0
3
réponsesQuestion
removal the outer boundary of bw image?
Hi all i wrote this code y=imread('..........bmp'); bw=im2bw(y); b=bwboundaries(bw); boundry=b{1}; imsho...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
what is the best way for thresholding this image .....please?
i wrote this code { img=imread(..........); imshow(img); medimage=medfilt2(img,[5 5...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
calculation of mean , standard deviation and average for each pixel in an image M*N?
if i have an image M*N if i want to making each pixel in the center of window with 31*31 size , and then compute the avera...
environ 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
how i can transfer this image ?
i have this image http://www.2shared.com/photo/6lTJdWGa/xy_online.html i find it's center by : s=regionprops(image_1,'ce...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
adaptive local thresholding for gray scale image ?
i want to binarization an image by using adaptive local threshold http://www.mathworks.com/matlabcentral/fileexchange/8647-l...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
what does this error mean?
??? Undefined function or method 'adpmedian' for input arguments of type 'uint8'. i tried to implement adaptive median filter...
environ 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
how can i perform gray scale image normalization???
i want to implement normalization to gray scale image to reduce the effect of illumination's differences. the eq. of the gr...
environ 12 ans il y a | 3 réponses | 0
3
réponsesQuestion
what are your opinions to modify this code for improvement the result?
my image is at this link: <http://tinypic.com/view.php?pic=5wh0lg&s=5> i want to implement contrast enhancement, thresholding...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
how can i obtain the final result after roipoly?
hello i have agrayscale image i want to extract my target roi so i wrote this m=imread(.....); BW=roipoly(m); after th...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
IS this right or not about calculation of Total Variation (TV) for image y?
for a natural image it is difficult to calculate SNR so total variation (TV) will be calculated as an evaluation to noise. fo...
environ 12 ans il y a | 3 réponses | 0
3
réponsesQuestion
how can i implement matched,wiener and smoothing filter on this image????????
Hello i want to implement matched,wiener and smoothing filter on this image http://tinypic.com/view.php?pic=5wh0lg&s=5 ...
environ 12 ans il y a | 1 réponse | 0
0
réponseQuestion
how can i process this image in excellent way in order to extract veins from image exactly?
http://tinypic.com/view.php?pic=5wh0lg&s=5 please if anyone can help me.
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
how can i implement the global and adaptive local threshold on grayscale image in matalb?
please ,how can i calculate the global and adaptive local threshold for the grayscale image using matlab ?
environ 12 ans il y a | 1 réponse | 0