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squares moving error in matlab
This doesn't make any sense: if xnew < 1 xnew > num_of_cells ; move_x = -move_x; end It should be something like i...

2 years ago | 0

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What is "peaks" in tutorialApp?
peaks a built-in function that you can actually open up and look at in the editor. Do this at the command line: >> edit peaks....

2 years ago | 0

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I want to rotate the cartoon present in this image.Can any of you help me how can I read this image on MATLAB and extract the points from pic and rotate it
@Mishqat it's not clear what you want to do and what your starting data is. Are you starting with an image and simply want to r...

2 years ago | 0

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How to show decision region on iris data set for only 2 features?
Try using patch or fill

2 years ago | 0

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How to draw a dynamic graph where the sum of the internal distances is a constant value?
"How to draw a dynamic graph...." <== If you have the coordinates, you can use plot3 To learn other fundamental concepts, inve...

2 years ago | 0

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Area Calculation Using polyarea: Figure vs PNG
There is no spatial calibration when you save a figure, or a non-image graph in an axes on a figure. So the image you get upon ...

2 years ago | 0

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how to use getvarname
I doubt your program requires it, unless you wrote it poorly. The FAQ shows you how to do this unwise operation and tells you w...

2 years ago | 1

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colorbar tick distance to axes and label position
You can get the position property of both cbar handle, and the axes. ax = gca axesPosition = as.Position 2. The Position prop...

2 years ago | 0

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measure the length in the image
Try this: % Tests curl for triggering stats analysis of laundry stain removal raw data. clc; % Clear the command window. c...

2 years ago | 0

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Calculating Similarity between a single pixel and a surrounding region
I'd use delta e. I have a demo i can post tomorrow. what is the region? The 8 surrounding pixels?

2 years ago | 0

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i need databases for hand gesture recognition
Go here to find groups working on gesture recognition: http://www.visionbib.com/bibliography/contentspeople.html#Face%20Recogni...

2 years ago | 0

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How do I make a plot background black?
See this demo to show you how you can change just about everything by referring to it properly. % Demo to make a black graph wi...

2 years ago | 1

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how to highlight my filamentous edges ?
It looks like your image is way overexposed. Try reducing the exposure. Try my attached fiber orientation demo.

2 years ago | 0

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what happened to the blue bar in my Matlab user interface?
The blue margin indicates the extent of the section you are in, meaning that the blue bar runs from the starting line of the sec...

2 years ago | 0

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How to calculate the distance between blood vessel edges?
You need to invert your binary image. The vessel should be white: binaryImage = ~storedStructure.BWfinal; binaryImage = bware...

2 years ago | 0

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How to extract data from drawn images?
When you originally created the picture, just save the data at that time to a .MAT file using save. You can recall it later fr...

2 years ago | 0

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Select dominated columns in a large matrix
How about (untested) [rows, columns] = size(F) itsDominated = false(1, columns); % Keep track of which columns are dominated. ...

2 years ago | 0

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When calling a class (say, to convert types), are we calling a function?
I like to think of it like this. In standard object oriented programming (OOP) you have a "class" which is an object that is a ...

2 years ago | 3

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How can I apply agglomerative hierarhical clustering based on the distance between regions?
Not sure why I didn't see your question years ago (since I already have a demo), but I agree that dbscan seems to be the algorit...

2 years ago | 0

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Random maze solving algorithm with matrix
For a variety of maze-solving algorithms, including one by me and another by Steve Eddins (the leader of image processing team),...

2 years ago | 0

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How can i get rid of elements in image?
Try this for one image. % Demo by Image Analyst clc; % Clear the command window. close all; % Close all figures (except t...

2 years ago | 1

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what could be the reason to get negative predicted output for new dataset?
Because that's what the model thinks the value should be. If you don't think it's right then make sure your test data is in the...

2 years ago | 0

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how I edit layout figure according my picture??
What did you do to make the top image? Did you use subplot(1, 10, k) ? Maybe try subplot(2, 5, k)

2 years ago | 0

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How to get pixels per millimeter from image of a scale
Whoever told you to use the Fourier transform to spatially calibrate your image was either (1) teasing you, (2) pulling a prank ...

2 years ago | 0

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how to overlay cropped image on uncropped original image
See my attached demos about pasting an image onto another image. Adapt as needed. You might also like How to overlay a foregr...

2 years ago | 0

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Source code for Heart Disease Prediction
In addition to PubMed you can try http://www.visionbib.com/bibliography/contentsmedical.html#Medical%20Applications,%20CAT,%20M...

2 years ago | 0

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Estimate different trend lines and its slopes from a set of points
Perhaps findchangepts help findchangepts

2 years ago | 0

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How to make the color gradient gradual. In the plot
The number of colors depends on the number of unique values in your data as well as the number of unique colors in your colormap...

2 years ago | 0

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Image motion frequency estimation from scanned image
It looks like you can determine the waviness wavelength by examining the dark blobs at the last line of the image. Otherwise, I...

2 years ago | 0

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Day of Week data plot
Look into splitapply, grpstats. and groupsummary They will do functions, like mean, based on what group the data is in.

2 years ago | 0