Answered
coordinate edge of the ceramic into pixel (x,y)
try this .. a=imread() ; a=rgb2ycbcr(a); a=a(:,:,2); a=edge(a,'canny',[0.1 0.5],15); you can get the coordinates using fin...

12 years ago | 0

Answered
find guite the same elements
let say you have 2 vector A ,B (like your columns there) you can do something like : [C, ia] = unique(A); for k = 1:length(ia...

12 years ago | 0

Answered
Cut an area in the image
you can choose top left and bottom left boundaries using range=ginput(2); and then image=image(range(1,2):range(2,2),range(1...

12 years ago | 0

Answered
Clustering
try imopen with strel('line',rho,theta)

12 years ago | 0

Answered
How can i calculate e^A*t
exp(A.*t)

12 years ago | 1

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Answered
Getting rid of lots of thin black lines on an image
You can use, find() , something like this : [r,c,v]=find(bmpimage==0); for i=1:size(r) bmpimage(r(i),c(i))=(bmpim...

12 years ago | 0

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Question

close lines after edge detection
Hi all, After edge detection and adding some circular object, I like to close the lines and fill each area. this is an example...

12 years ago | 2 answers | 1

Question

imwrite to full (screen) size
Hi all, Im using imwrite to save images to disk and then later on imread, im2frame and movie2avi to create an avi movie file. ...

12 years ago | 1 answer | 0

Question

OUT OF MEMORY
Hi all, I want to work on an image, but without reducing the resolution by much (for now I use imresize ()).without using it I...

12 years ago | 1 answer | 0

Answered
Time difference between images.
Figured it out .. datenum (or the Serial Date Number) gives the fractional number of days from a specific date and time. so I ca...

12 years ago | 0

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Question

Time difference between images.
Hi all, is there an easy way to get the difference in the time an image was taken between 2 jpg files? and what datenum number...

12 years ago | 2 answers | 0

Answered
finding rotation of angle
you can use imrotate() running over angles and subtract the result with the original image until you get a zero matrix.

12 years ago | 0

Question

Help removing unwanted lines from image and identify spots
After some enhancement I get the following image: <http://i44.tinypic.com/2jfwsnd.jpg> I want to identify the spots which clea...

12 years ago | 1 answer | 1