Question

Finding values from Cubicinterp fit
If I have performed a cubic interp to some data, x = linspace(1,maxFwhm+1,maxFwhm+1)' f=fit(x,y,'cubicinterp') hold o...

9 years ago | 2 answers | 0

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answers

Question

Using repmat instead of subplot - adding grid lines and points
Hi, Im trying to remove the gaps between subplots and have read the following way to do it using repmat that works well. A=...

9 years ago | 1 answer | 0

1

answer

Question

Blockproc with more than one output
Hi, I have been using the blockproc syntax to enable splitting an image up into smaller regions and performing a measurement on ...

9 years ago | 1 answer | 0

1

answer

Question

Remove artefact when dilating Image
Hi. I have a hexagonal grid that I have managed to locate the location of the maximum in each feature (with the kind help of Wal...

9 years ago | 2 answers | 0

2

answers

Question

Remove duplicate locations and replace by a single one
Hi. I am trying to locate the 6 dots in my frequency domain image (its the FFT of a hexagonal array of spots) <</matlabcen...

9 years ago | 3 answers | 0

3

answers

Question

Fitting a uitable to a subplot
Hi. I want to programatically add a uitable to a subplot position (without using guide). Whilst I have been able to do this, Im...

9 years ago | 2 answers | 0

2

answers

Question

Rescale 2nd axis using yyaxis (Right Axis)
hi, I have a plot using the new yyaxis function in R2016b. I want to change the scale on the Right Axis. after searching goo...

9 years ago | 1 answer | 1

1

answer

Question

Composite object builder from locations
Hi. I have an image in which I have detected the spots and have the coordinates, some of them are listed below. <</matlabc...

9 years ago | 0 answers | 0

0

answers

Question

Issue with colormap when updating from 2014b to 2016b
Hi. I have nervously updated my version of matlab from 2014b to 2016b. As I thought Im running into issues and regret doing thi...

9 years ago | 0 answers | 0

0

answers

Question

Finding the x value where there area under the curve (from the centre) is 80% of total area
Hi. I have a set of data points that I perform a spline to to fill in the gaps. I have split the spline into two splines - one ...

9 years ago | 2 answers | 0

2

answers

Question

Problem Fitting data to 3 Gaussians
Hi. I am trying to improve on a gaussian fit to a linescan through the image below.(i.e the green line). Whilst the Gaussian fi...

9 years ago | 1 answer | 0

1

answer

Question

Cross correlation - template matching error with color plane tiffs.
Hi, I have a tiff image called 'Raw' that has more than 1 color plane: I have a successful function that calculates the cross...

9 years ago | 0 answers | 0

0

answers

Question

Finding the separation between X&Y vectors and identifying the X&Y that have a certain separation
I have concatenated two vectors one for X and one for Y which represent centroid x&y locations of objects. Coord = ...

9 years ago | 1 answer | 0

1

answer

Question

Saving an array of images as an 'Image Stack'
Hi. I obtain grayscale image' 'img' that I add to a 'stack' i.e. image array by: imgArray{index}=img So If I have s...

9 years ago | 1 answer | 2

1

answer

Question

Plot all positions in a vector a fixed length line
Hi. I have a vector of x values. On an image, I want to plot a vertical line at each of the x values (xpeak). The vertical c...

9 years ago | 1 answer | 0

1

answer

Question

Determine missing locations from a grid
Hi. I have a set of locations indicated by the "mask" image below. (This is obtained from a raw grayscale image using thresho...

9 years ago | 0 answers | 0

0

answers

Question

Inserting "missing" element in 1D vector - need to find out if!
Hi. I am trying to measure the location of "well defined" regular objects. In fact Im trying to measure the optical distorti...

9 years ago | 0 answers | 0

0

answers

Question

Help aligning two vectors with one centred on zero.
I have a set of x values: x1=-31, -15.5, 0, 14.9,30.2 I know that the separation should be 15 (=pitch) so I want to plot x...

9 years ago | 3 answers | 0

3

answers

Question

line profile adding certain rows together
Hi. I have an image that I create a horizontal linescan through the centre (y co0rdinate = rMiddle) <</matlabcentral/answers...

9 years ago | 1 answer | 0

1

answer

Answered
Saving a uitable to text file with variable number of columns
Ok, I have made some progress: Im still not able to assign the colnames properly though the the T?? tabledata = (get(handl...

9 years ago | 0

Question

Saving a uitable to text file with variable number of columns
Hi. I have a uitable that I populate with a variety of functions, each one has a different number of columns and colnames. I wa...

9 years ago | 2 answers | 0

2

answers

Question

Measuring Integrated Intensity using regioprops
Hi. I have an image that I threshold to create a binary image. I then use regioprops to create regions labeledImage =...

9 years ago | 2 answers | 0

2

answers

Question

inputdlg box to pass variables
Hi. I am trying to run a piece of matlab code a variable number of times and to pass it a variable each time. I thought the ...

9 years ago | 1 answer | 0

1

answer

Question

Saving cell array data from uitable using 'save'
I have the data from a uitable as: inputdata = '300' [101.0366] [0.7744] [0.3806] '600' [1...

9 years ago | 1 answer | 0

1

answer

Question

Binned data question - average and median
Hi I have a set of data in 3 columns. S N D 100 0.0276 0.1012 101 0.0279 0.1012 102 0.0278 0.1017 103 0.0334 0....

9 years ago | 1 answer | 0

1

answer

Question

How can I force a gradient for a linaar fit
Hi, Im am using the following code to perform a fit on my data x,y1. P = polyfit(x,y1,1) m=P(1); c=P(2) yfit = m*x+c...

9 years ago | 1 answer | 0

1

answer

Question

Help with matrix manipulation & fits of images
Hi. I have a set of final images that represent (on a pixel by pixel basis) 1: S - The average signal of a scene imaged 3...

9 years ago | 0 answers | 0

0

answers

Question

averaging many images for every pixel - recursively.
I have a set of 30 images. I want to be able to consider each pixel, and take an average of that pixel over the 30 images, and d...

9 years ago | 2 answers | 0

2

answers

Question

Curve Fit data using FIT
Hi, I am trying to fit some data to the following function below: <</matlabcentral/answers/uploaded_files/52334/im84.png>> ...

9 years ago | 2 answers | 0

2

answers

Answered
Deleting certain data from a graph
I've got this far: mx=max(ydata(:)) mn=min(ydata(:)) ydata=ydata-mn; mydata=[xdata',ydata'] %use logical indexi...

9 years ago | 0

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