## 1. Pixel-value cross-sections along line segments - MATLAB improfile

MATLAB improfile

This MATLAB function lets you select line segments interactively from the image in the current axes.

## 2. Intensity Profile of Images - MATLAB & Simulink - MathWorks

The improfile function displays a plot of the intensity values along the line segment. The plot includes separate lines for the red, green, and blue intensities ...

The intensity profile of an image is the set of intensity values taken from regularly spaced points along a line or path in the image.

## 3. How to get profile coordinates x,y after using improfile - MATLAB Answers

Apr 10, 2020 · hi, I try to find a way to get x and y coordinates of my profile after using improfile. I want to use improfile command to ask user to select a ...

hi, I try to find a way to get x and y coordinates of my profile after using improfile. I want to use improfile command to ask user to select a line on the image where he wants a profile intensity...

## 4. how to use code 'improfile'? - MATLAB Answers - MathWorks

Feb 9, 2019 · I use the code 'improfile' to find the threshold values of specific the crack in my picture. like the picture below,. Desktop screenshot.png.

I use the code 'improfile' to find the threshold values of specific the crack in my picture. like the picture below, and then i get the figure that show the threshold graph values in my picture...

## 5. save data in matrix after improfile - MATLAB Answers - MathWorks

Oct 4, 2021 · I have an image and I would like to get a cross section of it- line intensity profile to evaluate the lines if are equally seperated .

Hi, I have an image and I would like to get a cross section of it- line intensity profile to evaluate the lines if are equally seperated . I had set improfile at the mid-point of the image and I g...

## 6. improfile (Image Processing Toolbox)

improfile computes the intensity values along a line or a multiline path in an image. improfile selects equally spaced points along the path you specify, and ...

Compute pixel-value cross-sections along line segments

## 7. How can I use improfile for a selected area of interest? - MATLAB Answers

Jun 7, 2022 · It depends. If you just want to sample the region around the line, that might be easy enough, but if the points aren't sorted by their position ...

Hi all, I would like to analyze the intensity profile of a line segment generated from and using [cx, cy, c] = improfile, though I'd like a 'wider' field of interest. I'd like to look at the inte...

## 8. How do I force IMPROFILE to work along a horizontal or vertical line in ...

Feb 14, 2012 · To do this, you can use the GINPUT command to force the coordinates to be vertically or horizontally aligned by programatically specifying so.

I have an image that I would like to analyze to get a profile or pixel values along a straight line. To do this, I use the IMPROFILE tool. IMPROFILE without any input arguments lets me draw a lin...

## 9. using improfile in 2D image. - MATLAB Answers - MathWorks

Nov 7, 2018 · I want to make a graph, which has x-axis, y-axis are size of a image and z-axis is intensity of that pixel, from a black-white image.

I want to make a graph, which has x-axis, y-axis are size of a image and z-axis is intensity of that pixel, from a black-white image. The image is a just gradation dot(darkest at center). L = ...

## 10. Improfile picky about direction line is chosen... - MATLAB Answers

Oct 23, 2013 · Improfile picky about direction line is chosen.... Learn more about improfile Image Processing Toolbox.

Below you'll find the code that's giving me grief. I use improfile to chose a slice of my data initially, and then use the coordinates of that slice to choose other slices to find the intensity alo...

## 11. improfile length differs with output choice - MATLAB Answers

Apr 10, 2018 · improfile length differs with output choice. Learn more about improfile, intensity profile, image intensity.

Hello, The issue I'm having is that improfile is giving me a different length output depending on if I have it store the profile, or if I skip the output argument and have it plot it directly. I...

## 12. How do I improfile a .fig matlab figure using improfile(I,xi,yi) - MathWorks

Aug 5, 2017 · How do I improfile a .fig matlab figure using... Learn more about improfile, digital image processing Image Processing Toolbox.

It displays a null graph when I do this. If I save the figure as a .tiff file or any other image format and then improfile, it does give me an RGB separated value graph which is of no use to me. H...

## 13. I have used improfile() of single lines in a for loop to create a 3D image. Is ...

Dec 26, 2017 · Community Treasure Hunt ... Find the treasures in MATLAB Central and discover how the community can help you! Start Hunting!

This is the section I am having issues with: im = imread('1small.png'); for v = 0:484 xline = [v, v, v+1]; yline = [0, 314, v+1]; improfile(im, xline, yline); hold ...

## 14. improfile(), How can I use a .fig format with improfile? - MATLAB Answers

Jul 14, 2014 · improfile(), How can I use a .fig format with... Learn more about improfile, image processing, image analysis Image Processing Toolbox.

Hello all, I have a .fig file that I want to make multiple profiles for, but improfile doesn't like when I try to pass it as an input. [x,y,I] = improfile; works when I have a figure alread...

## 15. Multiple lines using improfile() - MATLAB Answers - MathWorks

Nov 14, 2012 · Multiple lines using improfile(). Learn more about image processing, digital image processing.

I've been using the improfile() function with the interactive tool to manually draw a line across my image and get the intensity plot across that line. Is there a way to select two, separate lines ...

## 16. Getting the Intensity Profile of an Image - MatLab

To create an intensity profile, use the improfile function. This function calculates and plots the intensity values along a line segment or a multiline path in ...

Getting the Intensity Profile of an Image

## 17. Video Processing. Do I use impixel or improfile functions? - MATLAB Central

Aug 17, 2012 · What I was thinking was to use the improfile function for a line along the foreshore. I could plot the pixel intensity along the line, to then ...

Hi all, My task is to develop a MATLAB code that will analyse a video of waves wunning up and down a beach. What I want to find is the maximum height the water propagates up the beach after each...

## 18. Creating a plot of intensity of pixels across an image using MATLAB?

Sep 26, 2020 · I = fitsread('solarspectra.fts');%input your image imshow(I,[]);. Create the intensity profile. Call improfile with no arguments.

Creating a plot of intensity of pixels across an image using MATLAB?

## 19. Can I have the improfile intensity graph added to subplot - MathWorks

May 16, 2018 · Find the treasures in MATLAB Central and discover how the community can help you! Start Hunting! An Error ...

Hi, I have an image I use improfile to give a plot of the intensity across an image using mouse clicks, is there a way to add that improfile generated plot to a subplot? tiff_image = imread('...

## 20. improfile() through 3D image? - MATLAB Answers - MathWorks

Jul 8, 2012 · Note that because I'm dealing with images, x actually corresponds to the second dimension (columns) of I,. Further, I have a list of points [ ...

Hello, I have a 3D image set (i.e., a stack of CT images), I would like to get a line profile through this 3D image set similar to what improfile() does on a normal 2D image. I can't find anythi...