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When I used intersect() to find the intersection between A (red) and B (blue), I failed to get any because the pixels don't over...

1 Answers

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Asked 12 days ago

I have a grayscale (value 0-255) image with background pixel equals 0. I am trying to remove noises at the border between the fo...

2 Answers

0

Asked 1 month ago

How do I calculate the histogram within a minimum bounding box, along the orientation of the rectangle? Let say I have the coord...

Asked 7 months ago

How can I get rid of the unwanted pixels circled in red in the image below? <</matlabcentral/answers/uploaded_files/43196/arm...

Asked 29 days ago

I want to normalize the orientation and scale of these images before I do a similarity measure. How can I achieve this using PCA...

Asked 3 months ago

How to get data gradient and how to locate significant changes of the gradient? I'm trying to locate the first "turning point" o...

Asked 4 months ago

How to count the pixels along the line (red) that is perpendicular to the major axis (blue) of a region, without rotating the im...

Below is a scatter plot from array that I get using boundary(). How can I get a region so that I can use regionprops() to find t...

The first sample is excluded despite being the maximum in findpeaks(). How to exclude the last peak? <</matlabcentral/answers...

How to find the first y value (in red) efficiently in each column of the image below? <</matlabcentral/answers/uploaded_files...

What is the most efficient/fastest way to find the circled local minimum below, the lowest minima between two highest peaks? The...

I have a .txt file with 3235K number of lines, and 25 space delimited columns. I use the following code to read the file: ...

Asked 6 months ago

I have a data array (13x5). The last column is the class (1-4) of each data. How do I randomly pick n-number of data from each c...

Is it possible to separate a blob into multiple regions and find out the centroid and major axis of each region? <</matlab...

Is there any existing function that: 1. groups pixels with similar value together 2. finds the main axis orientation of the r...

I would like to find the equation of a line that passes through the centroid of a blob so that I can divide the blob into half. ...

Asked 8 months ago

After segmentation, I found the boundary of a region with: k = boundary(x,y) How do I set equally distributed grid point...

I would like to add one-pixel padding to the border of a non-uniform region. Instead of looping each pixel and check its 8-pixel...

0 Answers

Asked 2 months ago

How to separate a region by an equation. For example I want to find the region greater than the equation y = mx + c. <</matla...

I have 3-D points data as following. Could you suggest a way to locate the two features circled? I can use regression and dy/dx...

I want to reshape a vector that has 72322351 elements and I got the error: Error using reshape Size arguments must be real integ...

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