The image-registration tag has no wiki summary.
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How to blend images on a spherical surface / cube map
I already have an algorithm for making panoramic image mosaics by image registration and then blending images in the overlap regions.
The following image from Wikipedia illustrates several images ...
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1answer
143 views
Normalized cross correlation via FHT - how can I get correlation score?
I'm using the 2D Fast Hartley Transform to do fast correlation of two images in the frequency domain, which is the equivalent of NCC (normalized cross correlation) in the spatial domain.
However, ...
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2answers
101 views
image correlation without fft
I want to stitch 2 images by crosscorrelation measure, but I don't want to use fft.
I tryed this but something seems to be wrong.any suggestions?
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2answers
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Finding symmetric regions/patterns in image
I have a set of images representing the mean curvature of a human back surface.
What I want to do is to "scan" the image for points which have similar, reflected "counterparts" in some other part of ...
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Software to register a 2D image to a 3D volume
I have been searching for software that can handle the task of registering a 2D image to a 3D volume. The 3D volume is a microCT scan, while the 2D image is taken from a plane passing through the ...
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image registration using fft
I'm trying to register 2 images.First image don't change and second image is changing at each iteration by homography matrix and I'm using minimizer to find maximum of phase correlation, but for some ...
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2answers
211 views
Image Registration by Segmentation
Image registration algorithms are usually based on point features such as SIFT (Scale-Invariant Feature Transform).
I saw some references to line features, but I was wondering if it would be possible ...
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65 views
how to align vector and raster images?
how to align vector and raster images?
For example vector images will be static/rigid and raster image will be morphable. For example I manually do initial guess and algorithm must converge to optimal ...
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3D medical image mask partial registration
I would like to partially register two binary masks. By "partially register" I mean that one of the masks is a subset of the other. These masks are produced by a segmentation procedure, applied to two ...
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556 views
Stitch 2 images using cross correlation
I'm trying to stitch 2 images using cross correlation (phase correlation).Images are the same size.Only shift is present.
I tried opencv with cvDFT and opencv+FFTW it seems to work, but for some ...
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1answer
830 views
How do I evaluate the performance of a segmentation algorithm?
I'm currently on a project of liver tumor segmentation. I segmented the liver using region growing, and I have to assess how accurate the result is. I recently learnt that there are certain metrics ...
6
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1answer
263 views
How to compute 2D displacement vector for binary image registration?
My inputs are several binary images like:
They have globally the same content but may be unregistered as they are produced from a hand camera. What I would like to compute is the 2D displacement ...
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2answers
496 views
Profile Matching in a Point Cloud
A point cloud is generated using uniform random function for (x,y,z). As shown on the following figure, a flat intersecting plane (profile) is being investigated ...
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3answers
559 views
Point Pattern Recognition
Having two different size of sets of points (2D for simplicity) dispersed within two different size squares the question are that:
1- how to find any occurrence of the the small one through the ...
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1answer
263 views
How does google map put together satellite pictures?
Just out of curiousity, does anyone know how does google map put together all those massive quantity of satellite pictures with with high accuracy? What advanced computer science technology has it ...
