Answered
Image Processing Toolbox: function imregcorr not found
The function imregcorr was introduced in the R2014a release. Looks like you have an R2013a version of IPT, that's why you don't ...

10 years ago | 2

| accepted

Answered
Skew detection and correction
I do actually have one clarification from the tags. Do you really mean skew/shear, or do you actually mean rotation? If you...

10 years ago | 0

Answered
What is result of x = min(A(:));
The result of A = [4 5; 8 7]; x = min(A(:)) is: x = 4 This is because any matrix in MATLAB can be line...

10 years ago | 0

Answered
FFT image registration method
[1] Reddy, B. S. and Chatterji, B. N., An FFT-Based Technique for Translation, Rotation, and Scale-Invariant Image Registration,...

10 years ago | 1

Answered
Non rigid Image Registration
Take a look at imregdemons in the image processing toolbox.

10 years ago | 0

Answered
How to align two images which are only several pixels away in vertical direction?
Also look at imregcorr. It uses phase correlation and is easier to use than imregister. I'd start there.

10 years ago | 0

Answered
Image Resistration Code Optimization
Take a look at imregcorr. Do you have initial conditions for the expected transformation? If so, this will speed up imregister.

10 years ago | 0

Answered
Shifting problem in output results when using affine tformarray interpolation with DICOM images
In the default coordinate system used for images in MATLAB, the center of the first pixel is (1,1,1), which implies that the UL ...

10 years ago | 0

Answered
i want to know the pixel intensity value in an image but it gives different results using data cursor and command.which one is correct? and why it is showing differently?
Impixelinfo is reporting in x,y convention. You are indexing in row,col. Index A(y,x) and this should resolve the issue.

10 years ago | 1

| accepted

Answered
fitgeotrans does not align my image
Use the 'outputView' name/value option when calling imwarp, as is shown in the examples for fitgeotrans. This will fix the issue...

10 years ago | 0

| accepted

Answered
How to convert an image to the cartesian X,Y coordinates?
If what you are trying to do is reference a 2-D image to a cartesian coordinate system, you should look at the class imref2d tha...

10 years ago | 0

Answered
Image stitching using a rigid transformation
Let's see some images, please. Also, let's see what you have tried to do so far...

10 years ago | 0

Answered
How does imregister work?
Hi Kahaki, This question keeps coming up, so I will see if there is something better we can do in the documentation. In the m...

10 years ago | 1

Answered
how can I warp an image using HS optic flow
http://www.mathworks.com/matlabcentral/answers/23708-using-optical-flow-to-warp-an-image Essentially, you are going to going ...

10 years ago | 0

Answered
How to Match two images using Matlab?
Any chance you'd be willing to share the original photos you posted of the beach scene? I'd like to post a response to your ques...

10 years ago | 0

Answered
How to "createMask" using "impoly" when two images are shown together in one axes by using 'AlphaData'?
http://www.mathworks.com/help/images/ref/imroi.html#imroi-delete If you look at the documentation for create mask, you can op...

10 years ago | 1

| accepted

Answered
function in matlab for registration
Also, imregcorr was introduced in R2014a in the Image Processing Toolbox. It uses a phase correlation based approach that is oft...

10 years ago | 0

Answered
what exactly happend when you use the command imresize?
This question has essentially been asked before: http://www.mathworks.com/matlabcentral/answers/82893-how-does-the-function-i...

10 years ago | 0

| accepted

Answered
How can I detect small (less than 1° ) rotations using FFT phase correlation?
If you have R2014a and the Image Processing Toolbox? You should look at imregcorr. It implements phase correlation based registr...

10 years ago | 0

Answered
What happened to the Color Thresholder App in the Image Processing Toolbox?
The colorThresholder is an R2014a feature of the Image Processing Toolbox. You will need the newest release which came out a wee...

11 years ago | 0

Answered
How to use maketform to get affine transform?
1) Why not just use fitgeotrans to construct your transformation from a set of matched control points? 2) What is inv(A)' ? ...

11 years ago | 0

Answered
How can I find a continuous path through the central part of an image?
Look at bwdistgeodesic for finding constrained geodesic paths.

11 years ago | 0

Answered
Translation info from imregtform?
What you want is to use the 'OutputView' Name-value pair of imwarp with a value equal to the spatial referencing of the fixed i...

11 years ago | 0

| accepted

Answered
How to find correlation between two images.?
help normxcorr2

11 years ago | 1

Answered
Re-using an overlayed image?
Take a look at imfuse in the image processing toolbox. If you use the 'blend' display option, the resulting image output will be...

11 years ago | 0

Answered
how to take image as a user input from folder?
Depending on your exact use case, I'd also recommend looking at the imsave and imputfile functions exposed by the Image Processi...

11 years ago | 0

Answered
Plot the intensity profile of an image
If you have the Image Processing Toolbox: http://www.mathworks.com/help/images/ref/improfile.html

11 years ago | 1

Answered
How to draw correct path for this image
The Image Processing Toolbox functions bwdistgeodesic and graydist can be used to solve this problem. This is explored in the fo...

11 years ago | 0

Answered
Compare images and find the most similar
Image Analyst's answer is extremely computationally efficient and a good solution to the problem. If it happened that you had ad...

11 years ago | 1

| accepted

Load more